CN101356797B - Imaging apparatus and imaging control method - Google Patents

Imaging apparatus and imaging control method Download PDF

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Publication number
CN101356797B
CN101356797B CN200780001433.7A CN200780001433A CN101356797B CN 101356797 B CN101356797 B CN 101356797B CN 200780001433 A CN200780001433 A CN 200780001433A CN 101356797 B CN101356797 B CN 101356797B
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imaging
slow
displaying
control unit
image
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CN101356797A (en
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村田良
小野田孝
野岛磨
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Priority claimed from JP2006332488A external-priority patent/JP4449973B2/en
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Priority claimed from PCT/JP2007/069407 external-priority patent/WO2008038831A1/en
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Abstract

An image apparatus records images of a subject corresponding to a photo opportunity without intensifying complex operations after the imaging. When a SLOW button is depressed, a process is started in which frame image data that is obtained at an imaging frame rate is stored sequentially in a buffer memory (Step S110). The frame image data is read out from the buffer memory at a display frame rate that is set in advance (Step S111), and images are displayed on a display device based on this frame image data (Step S112). When a shutter key is depressed, the frame image data read out from the buffer memory (S111) is recorded to storage memory (Step S114).

Description

Imaging device and image formation control method
Technical field
The present invention relates to a kind of for target being carried out imaging and recording the imaging device of the image of this target, a kind of recording medium and a kind of image formation control method that can carry out the computer program of imaging operation for record.
Background technology
Traditionally, existing multiple known can avoiding to miss the photograph imaging device on opportunity, is disclosed in the unexamined Japanese patent application of H09-83849 at publication number for example.In this device, in operation during shutter key, will come from the image of the image (namely catching in advance) in the previous moment of this shutter key operation, the image of when this shutter key operation, catching and the image of catching all is recorded on the recording medium after this shutter key operation.This just can be at desirable photograph record object on opportunity image, even when when the user observes through image shown on the screen of imaging device or the view finder, having operated shutter key the operation of this shutter key to be offset under the situation on the desirable photograph of this user opportunity constantly also be like this.
Summary of the invention
When the user operates shutter release button for photograph opportunity, before this moment and when being recorded in target image on the recording medium after this moment, with other images that comprise inevitably the image of taking a picture opportunity except reality.Therefore, this increased the weight of after the user has taken image to be used for deletion except the image on the opportunity of photograph, read and the heavy and complicated operations of other images of showing at display screen from recording medium.
Therefore, the purpose of this invention is to provide a kind of imaging device, a kind of recording medium and a kind of image formation control method that need not after taking or having obtained this image, to increase heavy and complicated operations be used to the target image that is recorded in photograph opportunity that can carry out the computer instruction of imaging operation for record.
According to an aspect of the present invention, a kind of imaging device comprises: image-generating unit, be used for the consecutive image that the predetermined imaging frame rate of basis is caught target, and output image data; Display unit is used for display image data; Slow indicative control unit, be used for carrying out a slow procedure for displaying, described slow procedure for displaying is for show the view data of exporting from described image-generating unit with described imaging frame rate with the frame rate of display lower than described imaging frame rate, at described display unit; Record cell is used for recording image data; Direct indicative control unit, be used for carrying out a direct procedure for displaying, described direct procedure for displaying is for show the view data of exporting from described image-generating unit with described imaging frame rate with the frame rate of display identical with described imaging frame rate, at described display unit; First display setting device, be used for first performed when carrying out described direct procedure for displaying at the described direct indicative control unit instruction operation, switch to the slow procedure for displaying of being carried out by described slow indicative control unit from the described direct procedure for displaying of being carried out by described direct indicative control unit; And record control unit, be used for first recording instruction operation performed when carrying out described slow procedure for displaying at described slow indicative control unit, in the described record cell record view data corresponding with the target image on being presented at described display unit.
According to a further aspect in the invention, a kind of recording medium comprises the imaging control program that makes computer can carry out following operation, described computer comprises imaging device, described imaging device comprises display unit and image-generating unit, described image-generating unit is used for catching according to predetermined imaging frame rate consecutive image and the output image data of target, the operation that described computer is carried out is as follows: slow presentation control function, be used for carrying out slow procedure for displaying, described slow procedure for displaying is used for showing the view data of exporting from described image-generating unit with described imaging frame rate with the frame rate of display lower than imaging frame rate at the described list that shows; The record controls function is used for recording instruction operation performed when carrying out described slow procedure for displaying at described slow indicative control unit, in the described record cell record view data corresponding with the target image on being presented at described display unit.
According to a further aspect in the invention, a kind of image formation control method comprises: image-forming step, and be used for basis and be predetermined to be the consecutive image that picture frame speed is caught target, and output image data; Slowly show the control step, be used for the slow procedure for displaying of operation, described slow procedure for displaying is used for showing with the frame rate of display lower than imaging frame rate the view data of output on display unit; And record control unit, be used for coming in the record cell record view data corresponding with the target image on being presented at described display unit in response in the slowly performed recording instruction operation of procedure for displaying process.
According to a further aspect in the invention, a kind of image formation control method comprises: catch the consecutive image of target according to being predetermined to be picture frame speed, and output image data based on this; Carry out a direct procedure for displaying, described direct procedure for displaying is used for showing by carry out the view data that imaging is exported with described imaging frame rate at display unit with the frame rate of display identical with described imaging frame rate; In response to first performed when directly showing the described direct procedure for displaying of the control processing execution instruction operation, by showing the view data of being exported with the frame rate of display lower than described imaging frame rate at described display unit, carry out slow procedure for displaying; In response to recording instruction operation performed in described slow procedure for displaying, in the record cell record view data corresponding with the target image on being presented at described display unit.
Description of drawings
These purposes of the present invention and other purposes and advantage will become more obvious when reading following detailed description and accompanying drawing.
Fig. 1 is the block diagram according to digital camera of the present invention;
Fig. 2 is the flow chart of the processing sequence in the expression first embodiment of the invention;
Fig. 3 is the key diagram of the operation of expression first embodiment of the invention;
Fig. 4 is the flow chart of the processing sequence in the expression second embodiment of the invention;
Fig. 5 is the key diagram of the operation of expression second embodiment of the invention;
Fig. 6 is the flow chart of the processing sequence in the expression third embodiment of the invention;
Fig. 7 is the flow chart of the processing sequence in the expression third embodiment of the invention;
Fig. 8 is schematic diagram, is illustrated in not carry out when discharging the shutter release button partly press or pressing operation the shutter release button fully the time diagram of the image that shows in the slow procedure for displaying in the A of viewing area;
Fig. 9 is schematic diagram, is illustrated in the slow procedure for displaying to carry out when discharging the shutter release button of partly pressing or pressing operation the shutter release button fully the time diagram of the image that shows in the A of viewing area;
Figure 10 is the flow chart of the processing sequence in the expression fourth embodiment of the invention;
Figure 11 is the flow chart of the processing sequence in the expression fourth embodiment of the invention;
Figure 12 represents as time goes by, the state of the view data of storing in buffer storage;
Figure 13 represents by partly pressing the state of the view data that shutter release button slowly shows;
Figure 14 A, 14B, 14C, 14D and 14E just represent the time diagram of the image that shows at display device;
Figure 15 A and 15B are the schematic diagrames of the slow show bar of expression; And
Figure 16 A, 16B, 16C and 16D just represent the time diagram of the image that shows at display device.
Embodiment
[first embodiment]
Hereinafter with reference to Fig. 1-3 first embodiment of the invention is described.
Fig. 1 is the block diagram of the circuit structure of expression digital camera 1, and it all is identical in each embodiment of the present invention.Digital camera 1 has static imaging function and video (motion picture) imaging function.Digital camera 1 comprises CCD2 and DSP/CPU3.CCD2 partly has a Bayer array primary-color filter at photoelectric sensing.DSP/CPU3 is single chip microcontroller, and it has various Digital Signal Processing functions, comprises Image Data Compression/decompression, but also each unit of control figure camera 1.
Timing generator (TG) 4 is connected to DSP/CPU3.TG4 comes driven CCD 2, for example 60f/s with the frame rate of certain setting.DSP/CPU3 is basis instrument electric charge integration interval with this frame rate.This electric charge integration interval is offered CCD2 by TG4 as shutter pulse.Control electric charge integration interval, i.e. time for exposure according to the CCD2 operation that this shutter pulse carries out.CCD2 plays the electronics shutter.
Element circuit 5 is connected to TG4, and imports an analog image lock-on signal according to the optical imagery of the target of exporting from CCD2.Unit circuit 5 comprises: relevant dual-sampling circuit (CDS circuit), and it has reduced the work noise of the CCD2 that comprises from the imaging signal of CCD2 output; Automatic gain control circuit (agc circuit), it adjusts the gain of signal after noise reduces; A/D converter, it converts this signal to digital signal after gain control.Element circuit 5 converts the analog imaging signal from the CCD2 input to data image signal, and digitized Bayer data are sent to DSP/CPU3.
Display device 6 and key input unit 7 are connected to DSP/CPU3.Also by address data bus 10 buffer storage (DEAM) 11 and ROM12, memory 13 and I/O interface 14 are connected to DSP/CPU3.Buffer storage 11 is the buffers for temporary transient storage Bayer data etc., and it can also be as the working storage of DSP/CPU3 etc.
DSP/CPU3 at first carries out blanking pulse clamp (pedestal clamp) processing etc. at the Bayer data that send from unit circuit 5, then this data transaction is become the RGB data, at last the RGB data transaction is become brightness (Y) signal and aberration (UV) signal (yuv data).A frame of this yuv data of storage in buffer storage 11.When direct imaging, a yuv data frame of storing in the buffer storage 11 is sent to display device 6, and after converting thereof into video (motion picture) signal, it is shown as through image (procedural image (through image)).
When digital camera 1 detects the user to the operation of shutter key in static imaging pattern, just carry out imaging process A and imaging process B selectively, as described below, operation imaging process A moves imaging process B in a second embodiment in first embodiment.In imaging process A, when pressing shutter key, digital camera 1 utilizes DSP/CPU3 to come a view data (yuv data) frames of storing in the buffer storage 11 are compressed and encode by methods such as JPEG, and in buffer storage 11, it is formed after the file, coded data is stored in the memory 13.In imaging process B, when digital camera 1 detects when pressing shutter key, be with employed different in direct imaging by the driving sequence change with static imaging drive method and CCD2 and unit circuit, carry out static imaging process.Next, digital camera 1 utilizes static imaging process that a yuv data frame is stored in the buffer storage 11.Digital camera 1 utilizes DSP/CPU3 to come a yuv data frame of having stored is carried out data compression and coding by methods such as JPEG, in buffer storage 11 this result is formed file then.After this, digital camera 1 is stored in this result in the memory 13 as Still image data (static picture document) by address data bus 10.
In addition, in video (motion picture) imaging pattern, when first shutter key operation of being undertaken by the user detects video (motion picture) imaging sign on, digital camera 1 just starts video (motion picture) to be handled, and in buffer storage 11, store a plurality of yuv data frames, until detect video (motion picture) imaging END instruction by second shutter key operation till.A plurality of yuv data frames with storage in the buffer storage 11 send to DSP/CPU3 continuously, and come these data are compressed and encoded by predetermined mpeg encoded.Next, by buffer storage 11 and address data bus 10, the filename that utilize to add, with this yuv data of having encoded as in the frame data write memory 13.When reading rest image or video (motion picture) image, in the manipulation of image data zone of buffer storage 11, DSP/CPU3 decompresses to Still image data or video (motion picture) view data of reading from memory 13, and launches these data as Still image data or video (motion picture) frame data.
Display device 6 comprises color LCD and drive circuit thereof.In the time of in the imaging ready mode, display device 6 is by the through image (procedural image) of the target of CCD2 imaging, and in the time will showing the image of a record, display device 6 show from memory 13 read and decompress after the image of record.
Key input unit 7 comprises a plurality of operation keyss, for example shutter key, pattern setting key, SLOW button, power key etc.
Key input unit 7 comes to DSP/CPU3 run-out key input signal according to user's key operation.
Each required program of function of in ROM12, having stored each program in the following flow diagram and having realized digital camera.
Also by I/O interface 14 digital camera 1 is connected to external equipment, for example (not shown)s such as printer, PC, TV receiver.
Fig. 2 is that expression is according to the flow chart of the described processing sequence of first embodiment of the invention (imaging process A).When utilizing the power key power-on of key input unit 7 (ON), according to the processing procedure shown in the program execution 2 of in ROM12, storing.Specifically, DSP/CPU3 judges whether to be provided with static imaging pattern (step S101) by the mode setting button that provides in the key input unit 7.If static imaging pattern is not set, and (S101: not), DSP/CPU3 just judges whether to be provided with frame rate of display pattern (step S102) is set.If frame rate of display also is set pattern (S102: deny) is not set, DSP/CPU3 just jumps to other mode process.
If be provided with frame rate of display pattern (S102: be) is set, DSP/CPU3 just shows the screen that is used for selecting frame rate at display device 6, wherein this screen display a plurality of frame rate that are lower than 60f/s, wherein, 60f/s is the imaging frame rate among the present described embodiment, (step S103) as described below.Then, any frame rate that DSP/CPU3 selects to select the screen from frame rate by key input unit 7 is set to frame rate of display, and stores this frame rate of display (step S104) in buffer storage 11.
If the judged result in step S101 is to be provided with static imaging pattern (S101: be), DSP/CPU3 just controls TG4 and comes with 60f/s driven CCD 2, and 60f/s is in the imaging frame rate (step S105) described in the present described embodiment.DSP/CPU3 shows through image (direct image) (step S106) basically in real time based on the frame image data that obtains with this frame rate on display device 6.Only an image data frame is recorded in the buffer storage 11.In addition, in buffer storage 11, upgrade the frame image data that (overwrite) obtains continuously with this frame rate continuously, wherein, immediately these updated images data in buffer storage 11 are shown as through image at display device 6 continuously.Next, DSP/CPU3 judges whether to press shutter key (step S107).If (S107: not), DSP/CPU3 just judges whether to have pressed SLOW button (step S109) also not press shutter key.If (S109: not), DSP/CPU3 just turns back to step S106 with this processing also not press the SLOW button.
If also do not press shutter key and SLOW button, then repeat the circulation that comprises S106 → S107 → S109 → S106, and as shown in Figure 3, the imaging frame rate will equate with frame rate of display, so that will show the through image that changes with the imaging frame rate at the display screen of display device 6.Under this state, if press shutter key (S107: be), DSP/CPU3 then makes to handle and advances to step S108.At this moment, DSP/CPU3 utilizes methods such as JPEG, a Frame to storage in buffer storage 11 when shutter key is pressed (and in display device 6 demonstrations) is carried out data compression, encode then, and in buffer storage 11, this result is formed file, then this result is stored in the memory 13 (step S108).Therefore, the digital camera 1 of this embodiment can play the work of conventional digital camera in order to carry out conventional imaging, till pressing the SLOW button.
If the user judges when watching through image (processing among the step S106 changes demonstration for through image) owing to its response speed ability is difficult to press shutter key opportunity in photograph, perhaps judge that the user user just presses the SLOW button owing to target moves very fast being difficult to when opportunity is pressed shutter key in photograph.This causes the "Yes" that is judged as in step S109.When pressing the SLOW button (S109: be), DSP/CPU3 just begins following process: the frame image data that storage obtains with the imaging frame rate in buffer storage 11, and also upgrade (overwrite) these data (step S110) discontinuously.As a result, as shown in Figure 3, in buffer storage 11, store a plurality of image data frames that obtain with imaging frame rate (60f/s) continuously.
Next, DSP/CPU3 comes to select and read frame image data (step S111) with the frame rate of display that arranges, according to the order identical with image taking from this buffer storage 11 in step S104.DSP/CPU3 is that the basis shows image (step S112) with the frame image data of reading on display device 6.DSP/CPU3 carry out to handle in order to wiping the frame image data that (deletion) shown among whole frame image datas of storing on display device 6 in buffering memory 11, and carries out processing with so that this memory can be updated (overwrite).And then, DSP/CPU3 judges whether to supress again shutter key (step S113).If (S113: not), DSP/CPU3 just judges whether to supress SLOW button (step S115) also not press shutter key.If (S115: not), DSP/CPU3 just turns back to step S111 with this processing also not press the SLOW button.
If also do not press shutter key again, and do not press the SLOW button again, then repeat the circulation that comprises S111 → S112 → S113 → S115 → S111 so that will be based on this frame image data, on display device 6, come target image with frame rate of display.At this moment, as mentioned above, frame rate of display is lower than the imaging frame rate, so that as shown in Figure 3, slowly shows this target image on the display screen of display device 6.
Under this state, if press shutter release button (S113: be), DSP/CPU3 just utilizes method such as JPEG to come to this frame image data of having read from buffering memory 11 (namely, the selected frame image data that shows of being used for) compresses and encode, in buffer storage 11, this result is formed file, then this result is kept at (step S114) in the memory 13.When operating procedure S111 in a looping fashion presses shutter key to the state of step S115 (, when step S113 is "Yes"), the recording process among the execution in step S114.Therefore, as shown in Figure 3, according to pressing shutter key " shutter 1 " to " shutter n ", come storage each frame image data from " record 1 " to " record n " in memory 13.
When the user presses the SLOW button again (S115: be), DSP/CPU3 carries out and handles all frame image datas of storing in order to deletion (wiping) or make this memory can be updated (overwrite) (step S116) in buffer storage 11, and this processing turns back to step S106.At this moment, as shown in Figure 3, the imaging frame rate will be identical with frame rate of display, and will show the through image with the imaging frame-rate conversion at the display screen of display device 6.
[second embodiment]
Fig. 4 is that expression is according to the flow chart (imaging process B) of the described processing sequence of second embodiment of the invention.When utilizing the power key power-on (ON) of key input unit 7, according to the process shown in the program execution 4 of in ROM12, storing.DSP/CPU3 judges whether to be provided with static imaging pattern (step S201) by the mode setting button that provides in the key input unit 7.If static imaging pattern is not set, and (S201: not), DSP/CPU3 just judges whether to be provided with frame rate of display pattern (step S202) is set.If frame rate of display also is set pattern (S202: deny) is not set, DSP/CPU3 just makes to handle and advances to other mode process.
If be provided with frame rate of display pattern (S202: be) is set, DSP/CPU3 just shows the screen that is used for selecting frame rate at display device 6, wherein this screen display a plurality of frame rate that are lower than 60f/s, wherein, 60f/s is the imaging frame rate among the present described embodiment, (step S203) as described below.Then, any frame rate that DSP/CPU3 selects to select the screen from frame rate by key input unit 7 is set to frame rate of display, and stores this frame rate of display (step S204) in buffer storage 11.
If the judged result in step S201 is to be provided with static imaging pattern (S201: be), DSP/CPU3 just controls TG4 and comes with 60f/s driven CCD 2, and wherein, 60f/s is the imaging frame rate (step S205) in present described embodiment.DSP/CPU3 shows through image (step S206) basically in real time based on the frame image data that obtains with this frame rate on display device 6.Only an image data frame is recorded in the buffer storage 11.In addition, in buffer storage 11, upgrade the frame image data that (overwrite) obtains continuously with this frame rate continuously, wherein, immediately these updated images data in buffer storage 11 are shown as through image at display device 6 continuously.Next, DSP/CPU3 judges whether to supress shutter key (step S207).If (S207: not), DSP/CPU3 just judges whether to supress SLOW button (step S209) also not press shutter key.If (S209: not), DSP/CPU3 just turns back to processing step S206 also not press the SLOW button.
If also do not press shutter key and SLOW button, then repeat the circulation that comprises S206 → S207 → S209 → S206, and, as shown in Figure 5, the conventional imaging frame rate will equate with frame rate of display, so that will show the through image that changes with the imaging frame rate at the display screen of display device 6.Under this state, if press shutter key (S207: be), DSP/CPU3 just carries out rest image recording process (step S208).Therefore, as mentioned above, digital camera 1 by CCD2 and element circuit 5 are temporarily switched to a kind of when carrying out direct static imaging driving method different, that be used for static imaging or drive sequential, carry out the rest image recording process, so that capturing still image.In addition, digital camera 1 is stored a yuv data frame that comes from this static imaging in buffer storage 11, and come the single YUV frame of storing is compressed and encodes by methods such as JPEG by DSP/CPU3, and in buffer storage, it is formed file.After this, digital camera 1 is stored the yuv data that forms file, as Still image data (static picture document) by in the memory 13 of address data bus 10 accesses.
Yet, if the user judges when watching through image (processing among the step S206 is changing the demonstration to through image) owing to its response speed ability is difficult to press shutter key opportunity in photograph, perhaps judge that the user user just presses SLOW button (S209: be) owing to target moves very fast being difficult to when opportunity is pressed shutter key in photograph.This causes the "Yes" that is judged as in step S209.Therefore, when the user presses the SLOW button (S209: be), DSP/CPU3 is just with the frame rate of display that arranges in step S204, come to select the frame image data that will show according to the order identical with image taking from buffering memory 11, and reads this frame image data (step S210).DSP/CPU3 is that the basis shows image (step S211) with the frame image data of reading on display device 6.DSP/CPU3 carry out to handle in order to wiping the frame image data that (deletion) shown among whole frame image datas of storing on display device 6 in buffering memory 11, and carries out processing with so that this memory can be updated (overwrite).
DSP/CPU3 continues to carry out a countdown and shows processing (step S212).Particularly, DSP/CPU3 will be in 30 seconds the scheduled time according to the mode of slow demonstration, with frame rate of display display frame view data, and on the time point that expired in 30 seconds, force to stop this slow demonstration.As a result, DSP/CPU3 will show the initial value of " 30 seconds " in step S212, and according to after this every through one second, just will carry out a countdown and show processing, show so that the alarm to this remaining time that slowly shows to be provided.
Can in the setting operation process, the requirement according to the user be set this slow demonstration time (30 seconds), or replacedly, can be by calculate to arrange this slow demonstration time based on the frame rate of display that has arranged.In addition, digital camera 1 can remaining time to carrying out alarm on 10 seconds the some time and showing, perhaps can remaining time to beginning countdown on 10 seconds the some time and showing.
After this and then, DSP/CPU3 judges whether to supress again shutter key (step S213).If also do not press shutter key (S213: not), DSP/CPU3 just judges whether to supress again SLOW button and this slow demonstration time expire (step S215) whether.If also do not press the SLOW button and should also not expire the time (S215: deny), DSP/CPU3 does not just turn back to processing step S210.
If also do not press shutter key and SLOW button again, then repeat the circulation that comprises S210 → S211 → S212 → S215 → S210, so that will on display device 6, come according to the frame image data target image with frame rate of display.At this moment, as mentioned above, frame rate of display is lower than the imaging frame rate, so that as shown in Figure 5, slowly shows this target image on the display screen of display device 6.
Under this state, if press shutter release button (S213: be), DSP/CPU3 just utilizes method such as JPEG to come to this frame image data of having read from buffering memory 11 (namely, the frame image data of selecting that be used for to show) compresses and encode, in buffer storage 11, this result is formed file, then this result is kept in the memory 13 (step S214).When pressing shutter key in the state at operating procedure S210 to S215 in a looping fashion (, when step S213 is "Yes"), the recording process among the execution in step S214.Therefore, as shown in Figure 5, according to pressing shutter key " shutter 1 " to " shutter n ", come storage each frame image data from " record 1 " to " record n " in memory 13.
In addition, if the user supresses the SLOW button again or should expire the time (S215: be), DSP/CPU3 just obtains and output is stored in the remaining quantity N (step S216) that does not show image in step S211 among the frame image data in the buffer storage 11.After this and then, DSP/CPU3 utilizes this detected quantity N to calculate demonstration speed 1/ (N+60) (step S217).In addition, DSP/CPU3 demonstration speed 1/N with this calculating on display device 6 shows the remaining view data that does not show.
In this embodiment, the demonstration time of fixing not display image data (N) also is arranged to 1 second with it, and digital camera 1 in this 1 second, show all images that do not show (wherein, these images that do not show be included in detected among the step S216, press after the SLOW button buffer storage 11 in the imaging frame rate continue the image that accumulates).Also allowing the user to arrange one is used for these and does not show the demonstration time of image.In addition, also allow the user that a frame rate of display that is used for not showing image is set selectively.In the case, the demonstration time that is used for not showing image is being used for of arranging selectively not show that the frame rate of display of image changes according to the quantity that does not show image and user, in addition, at least be higher than the imaging frame rate with requiring for these frame rate of display that does not show image, perhaps in other words, this speed will be higher than frame rate of display set in step S204 basically.In addition, can use a predetermined constant rate of speed as the frame rate of display that is used for not showing image.In the case, be used for not showing that the demonstration time of image will change according to the quantity that does not show image.
After this, in step S219, all frame image datas of storing in order to deletion (wiping) are handled in the DSP/CPU3 execution in buffer storage 11, perhaps carry out and handle so that memory can be updated (overwrite), and processing turns back to step S206.Therefore, as shown in Figure 5, after 1 second, the imaging frame rate will be back to identical with frame rate of display again, and will show the through image with the imaging frame-rate conversion at the display screen of display device 6.
In the above-described embodiments, can frame rate of display be set by from the screen that has shown a plurality of frame rate, selecting frame rate by the user.Replacedly, manufacturer can arrange a constant slow frame rate of display, and it is applicable to described slow demonstration, and can read from buffering memory 11 with this frame rate of display.In addition, though in this embodiment, the beginning of described slow demonstration with finish in response to identical slow push-botton operation, replacedly, it can be in response to different operations.In addition, although in this embodiment, slowly the beginning that shows and end are in response to the SLOW push-botton operation, but in alternative embodiment, can use and partly to press (phase I presses) operation and press the shutter key of (second stage is pressed) operation fully, and when detecting half pressing operation of this shutter key, begin described slow demonstration, and when detecting the complete pressing operation of this shutter key, finish described slow demonstration.
[the 3rd embodiment]
In the digital camera 1 in above-mentioned first and second embodiment of the present invention, slow image is shown as is transformed into through image.In the digital camera 1 of third embodiment of the invention, can show slow image and realtime graphic (through image) simultaneously.In addition, digital camera 1 can be fabricated and be set to and can carry out imaging to slow image and realtime graphic.
Can utilize and have the imaging device that the digital camera 1 of same structure is as shown in Figure 1 implemented third embodiment of the invention.
Yet, key input unit 7 in the digital camera 1 of the 3rd embodiment has a large amount of operation keyss, for example can be in two stages shutter key, imaging instruction button, mode setting button, Menu key, cross key, SET key etc. of (partly press and press fully) operation.
Explain the operation of the digital camera 1 of the 3rd embodiment with reference to Fig. 6 and 7.
When by the mode setting button in the key input unit 7 static imaging pattern being set by the user, DSP/CPU3 begins the video imaging process, this process (for example, 60f/s) is come the video (step S301) of photographic subjects with pre-determined frame rate by means of TG4 in CCD2.
Next, DSP/CPU3 starts through image and shows (conventional through image demonstration), and it shows the frame image data (step S302) that is obtained continuously by the video imaging process in real time on display device 6.This routine through image demonstration refers in the view data of single screen demonstration by the CCD2 imaging.
In buffer storage 11, store by the CCD2 continuous imaging and by the element circuit 5 continuous YUVs that generate, and show the frame image data of storing at display device 6.More specifically, only an image data frame is stored in the buffer storage 11, and in buffer storage 11, upgrade (overwrite) with the frame image data of this frame rate imaging, and immediately the frame image data of this renewal in buffer storage 11 is shown as through image at display device 6 continuously.
When starting the through image demonstration, DSP/CPU3 judges whether shutter key has experienced half pressing operation (step S303).Whether this judgement is based on and has sent the operation signal that half pressing operation by shutter key causes from key input unit 7 and make.If (S303: not), DSP/CPU3 just judges whether to change the setting (step S304) for continuous shooting speed to determine also partly not press shutter key.
This continuous shooting speed is the speed (imaging at interval) of carrying out continuous imaging by following continuous shooting imaging process, and wherein this speed is more fast, and the captured amount of images of per second is more many (imaging is just more short at interval) just.For example, continuous shooting speed can be arranged to be no more than 60 images of per second (can in a second, take the continuous shooting speed of 60 images continuously).
If the user wants to change the setting for continuous shooting speed, the user just can the actions menu key changes the setting for continuous shooting speed, and DSP/CPU3 will judge whether to have changed the setting for continuous shooting speed having sent from key input unit 7 when be used for changing for the corresponding operation signal of the operation of the setting of continuous shooting speed.
Changed the setting (S304: be) for continuous shooting speed if determine the user, DSP/CPU3 just operates to change setting (step S305) for continuous shooting speed according to the user, and makes processing advance to step S306.If determine not change the setting (S304: deny) for continuous shooting speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S306.By the continuous shooting speed storage area of overwrite, come in buffer storage 11, to store it altered continuous shooting speed is set.
DSP/CPU3 judges whether to change the setting (step S306) for continuous shooting time.As described below, this continuous shooting time refers to the time that is continued to carry out imaging by continuous shooting imaging process.
If the user wants to change the setting for continuous shooting time, the user can the actions menu key changes the setting for continuous shooting time, and DSP/CPU3 will judge whether to have changed the setting for continuous shooting time having sent from key input unit 7 when be used for changing for the corresponding operation signal of the operation of the setting of continuous shooting time.
If determine to change the setting (S306: be) for continuous shooting time, DSP/CPU3 just operates to change setting (step S307) for continuous shooting time according to the user, and makes processing advance to step S308.
If determine not change the setting (S306: deny) for continuous shooting time, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S308.By the continuous shooting time storage area of overwrite, come in buffer storage 11, to store it altered continuous shooting time is set.
Then, DSP/CPU3 judges whether to change the setting (step S308) for slow display speed.
This slow display speed refers to the demonstration interval that once shows during slowly showing, as described below, wherein this speed is more fast, shows at interval just more short (frame rate of display is just more high), and this speed is more slow, shows at interval just more long (frame rate of display is just more low).For example, display speed can be arranged to the display speed less than 1x, as described slow display speed.Symbol 1x refers to real-time demonstration, that is, and and the display speed that conventional through image shows.For example, for the situation of carrying out imaging with per second 60 frames, the demonstration of per second 60 frames is just corresponding to the display speed of 1x, and when carrying out imaging with per second 30 frames, the demonstration of per second 30 frames is just corresponding to the display speed of 1x.Therefore, this display speed will change at interval according to the imaging of the view data of imaging.
Different is slow display speed to be set according to the frame number (the interior number of times to this image overwrite of per second) of per second with it.Set display speed can not be faster than continuous shooting speed (that is, per second shows that the number of times of image can not be more than the per second imaging number of times of carrying out according to shooting speed continuously).
If the user wants to change the setting for slow display speed, the user can the actions menu key changes the setting for slow display speed, and DSP/CPU3 will will judge whether to have changed the setting for slow display speed having sent from key input unit 7 when be used for changing for the corresponding operation signal of the operation of the setting of slow display speed.
If determine to change the setting (S308: be) for slow display speed, DSP/CPU3 just operates to change setting (step S309) for slow display speed according to the user, and makes processing turn back to step S303.
If determine not change the setting (S308: deny) for continuous display speed, DSP/CPU3 need not to take other any actions with regard to making processing turn back to step S303.
By the slow display speed storage area of overwrite, come in buffer storage 11, to store to be used to indicate its setting data of altered slow display speed.
Shutter key is supressed half if in step S303, determine, namely partly press (S303: be), DSP/CPU3 just makes and handles the step S310 that advances among Fig. 7, and starting shooting imaging process continuously, this is taken imaging process continuously and comes target is carried out continuous imaging (step S310) with the continuous shooting speed (having changed the continuous shooting speed of its setting in step S305) that is stored in the continuous shooting speed storage area.At this moment, DSP/CPU3 starts timer.
Next, DSP/CPU3 begins one and is used for buffer storage 11 in storage by the process of the view data of CCD2 imaging (be included in view data that continuous shooting imaging process obtains and by the frame image data of video imaging process acquisition).Under the situation of not upgrading (overwrite) buffer storage with the image data storage of imaging in buffer storage, that is, and a plurality of view data of storage in buffer storage.
Next, DSP/CPU3 begins following process: read the view data that is stored in the buffer storage, and to be stored in next this view data that in the A of the viewing area of display device 6, shows of slow display speed (that is the slow display speed that in step S309, arranges) in the slow display speed storage area.This just can show image lentamente, can more easily find photograph opportunity thus, and this mode is specially adapted to the target of fast moving.
Fig. 8 be illustrated in and do not exist in the slow procedure for displaying when discharging the shutter release button partly press or pressing operation this shutter release button fully (, when half pressing operation of shutter release button continues to carry out till slow demonstration finishes), the sequential chart of the image that in the A of viewing area, shows and the image that in the B of viewing area, shows.
Fig. 9 be illustrated in the slow procedure for displaying exist such as discharge the shutter release button partly pressed, fully press this shutter release button or the imaging instruction button operated operation the time (, when slowly showing shutter release button of discharging half pressing operation before finishing etc.), the sequential chart of the image that in the A of viewing area, shows and the image that in the B of viewing area, shows.
In Fig. 8 and 9, t represents time shaft, and the frame rate of video imaging process is 60f/s, and the continuous shooting imaging of taking imaging process continuously is 60 images of per second at interval.
Shown in Fig. 8 and 9, when the shutter release button half that is pressed, just begin to take imaging process continuously, and in buffer storage, store the view data of being taken the imaging process imaging by this continuously continuously.At this moment, the continuous shooting speed that the slow display speed that shows in the A of viewing area carries out imaging than this continuous shooting imaging process is slow, so as seen, each time in the imaging constantly of each time in the imaging of the view data of imaging at present constantly and the present view data that shows will depart from gradually.Reference symbol among Fig. 8 and 9 " (1) " refers to is taking the time interval of carrying out imaging in the imaging process continuously, and the reference symbol in Fig. 8 and 9 " A " refers to the finish time of continuous shooting imaging process.This time interval is always not identical with the continuous shooting interval that has changed its setting in step S307, different with it, if take imaging process continuously and carry out having discharged in the imaging process shutter release button partly pressed, press this shutter key or the imaging instruction button operated fully utilizing, this time interval will become from beginning this takes imaging process continuously until discharging the shutter key partly pressed, pressing this shutter key, time interval till the imaging instruction button being operated etc. fully.
Next, DSP/CPU3 reads the view data (comprising frame image data) that (reading in real time) stores with the speed identical with the speed of view data being carried out imaging in buffer storage 11, and the process that shows in the B of the viewing area of display device 6 of beginning.For example, when showing with the video image of 60fps imaging or when with speed being the view data of continuous shooting imaging imaging of 60f/s, will show this view data by carrying out overwrite with the speed identical with this image taking speed (that is per second 60 frames).Yet, carry out imaging with the image taking speed of per second 30 frames in other words conj.or perhaps if carry out imaging with 30fps, will show this view data by carrying out overwrite with the speed identical with this image taking speed (that is per second 30 frames).Therefore, in the B of viewing area, show the image of catching in real time.
Though in step S312, at present just the imaging of the view data of imaging constantly time and the imaging time constantly of the view data that showing at present depart from gradually, but this departs from and does not appear in the B of viewing area, this is because showing this image in real time, therefore just just can show at present the image in imaging, but also it is present just in the target type of imaging that the user can be confirmed.
Refer back to Fig. 7, DSP/CPU3 judges whether to change the setting (step S314) for continuous shooting speed.
The user can change setting for continuous shooting speed by the up arrow of operation cross key or to Down Arrow, and DSP/CPU3 will determine to have changed the setting for continuous shooting speed when having sent the operation signal corresponding with this operation from key input unit 7.
If the user wants to improve continuous shooting speed, the user will operate the up arrow of cross key, perhaps, if the user wants to reduce continuous shooting speed, the user will operate cross key to Down Arrow.After this manner, the user just can arrange a kind of continuous shooting speed that is applicable to this imaging situation when carrying out actual continuous shooting imaging.
If determine to change the setting (S314: be) for continuous shooting speed, DSP/CPU3 just operates the temporary transient setting (step S315) that changes for continuous shooting speed according to these, and makes processing advance to step S316.
If determine not change the setting (S314: deny) for continuous shooting speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S316.
This temporary transient change setting refers to and changes continuous shooting speed, it is limited to present continuous shooting imaging, wherein, even in step S315, changed the setting for continuous shooting speed, can the continuous shooting speed storage area in buffer storage 11 yet in storage its altered continuous shooting speed is set.Therefore, in ensuing continuous shooting imaging, will carry out this continuous shooting process with the continuous shooting speed that is stored in by the step S305 among Fig. 6 in the continuous shooting speed storage area.
In addition, when temporary transient changes carried out for the setting of continuous shooting speed, will take continuously at this and change the continuous shooting speed of being taken imaging process execution imaging by this continuously in imaging process.Therefore, with it altered continuous shooting speed is set and carries out continuous shooting imaging process.
DSP/CPU3 judges whether to have changed the setting (step S316) for slow display speed.
The user can be by the operation cross key change setting for slow display speed to Right Arrow or to left arrow, and DSP/CPU3 will determine to have changed the setting for slow display speed when having sent the operation signal corresponding with this operation from key input unit 7.
If the user wants to improve slow display speed, the user will operate cross key to Right Arrow, if or the user want to reduce slow display speed, the user will operate cross key to left arrow.After this manner, the user can arrange a kind of slow display speed that is applicable to this imaging situation when carrying out actual continuous shooting imaging.
If determine to change the setting (S316: be) for slow display speed, DSP/CPU3 just operates the temporary transient setting (step S317) that changes for slow display speed according to these, and makes processing advance to step S318.
If determine not change the setting (S316: deny) for slow display speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S318.
This temporary transient change setting refers to and changes slow display speed, it is limited to present continuous shooting imaging, wherein, even in step S317, changed the setting for slow display speed, can the slow display speed storage area in buffer storage 11 yet in the storage indication its data of altered slow display speed are set.Therefore, in ensuing continuous shooting imaging, will carry out this continuous shooting process with the slow display speed that is stored in by the step S309 among Fig. 6 in the slow display speed storage area.
In addition, when temporary transient changes carried out for the setting of slow display speed, will slowly change the slow display speed that shows at viewing area A in the procedure for displaying.Will altered slow display speed be set with it and from buffering memory 11, read view data, and will in the A of viewing area, show the view data of reading.
Refer back to Fig. 7, DSP/CPU3 judges whether slowly to have shown all images data (step S318) that obtained by continuous shooting imaging process.Therefore, as shown in Figure 8, judge at whether slowly having shown the whole demonstration data that obtained by continuous shooting imaging process.Reference symbol among Fig. 8 " B " refers to the moment when having shown all images data that obtained by continuous shooting imaging process.
When determining also not finish the slow demonstration of the view data that continuous shooting is obtained (step S318), DSP/CPU3 just judges whether to have discharged the shutter key of partly pressing (step S319).Particularly, as shown in Figure 9, at whether before slowly having shown all images data that obtained by continuous shooting imaging process, judging with regard to having discharged the shutter key of partly pressing.Stop from key input unit 7 sending with shutter release button partly press corresponding operation signal and also send and the situation of the operation signal that the complete pressing operation of shutter release button is corresponding under, just can think to have discharged the shutter release button of partly pressing.
If (S319: not), DSP/CPU3 just judges whether to have operated imaging instruction button (step S320) to determine also not discharge the shutter of partly pressing.The operation signal that is operating as the basis according to whether having sent from key input unit 7 with the imaging instruction button carries out this judgement.
If (S320: not), DSP/CPU3 just judges whether to have carried out the complete pressing operation (step S321) of shutter release button to determine not to be operable to the picture order button.From key input unit 7, sent with shutter release button press corresponding operation signal fully the time, just can think the complete pressing operation of having carried out shutter release button.
(S321: not), DSP/CPU3 just judges whether by continuous shooting imaging process target to be carried out imaging (step S322) when determining not carry out the complete pressing operation of shutter release button.If determine by continuous shooting imaging process target to be carried out imaging (S322: be) at present, DSP/CPU3 just judges that the continuous shooting time that is stored in the continuous shooting time storage area is whether from taking imaging operation begin to expire so far (step S323) continuously.Particularly, judge whether timer has exceeded this continuous shooting time.
If determine that continuous shooting time expires (S323: be), DSP/CPU3 just switches to video imaging process (step S324) from continuous shooting imaging process, and processing turns back to step S316.
If (S322: not), that is, if determine carrying out the video imaging process, DSP/CPU3 just turns back to step S316 with processing and need not to take other any actions to determine not carry out imaging by continuous shooting imaging process at present.In step S323, (S323: not), processing need not to take other any actions with regard to turning back to step S314 if determine also not expire continuous shooting time.
Reference symbol among Fig. 8 and 9 " A " refers to the moment when described continuous shooting time expires.From Fig. 8 and 9 as seen, by continuous shooting imaging process target is carried out imaging till timing A expires, and when regularly A expires, will switch to the video imaging process from continuous shooting imaging process to the imaging of target.Reference symbol among Fig. 8 and 9 " (2) " refers to the interval of carrying out imaging by the video imaging process in slow procedure for displaying.
Refer back to Fig. 7, if in step S321, determine to supress fully shutter release button (S321: be), DSP/CPU3 is just to (namely at present, shutter release button is being carried out on the time point of complete pressing operation) view data that slowly shows in the A of the viewing area of display device 6 is (namely, the view data of storing in buffer storage) carrying out compression handles, and store this result (step S325) in memory 13, and processing proceeds to step S327.
As shown in Figure 9, when supressing shutter release button fully, in memory 13, store this and carried out the view data of slow demonstration.
If in step S320, determine to have operated imaging instruction button (S320: be), the view data (comprising frame image data) that DSP/CPU3 just shows among the viewing area B to display device 6 is carried out compression and is handled, and store this result (step S326) in memory 13, and processing advances to step S327.Therefore, when having operated the imaging instruction button, the view data that storage shows at present in real time.
If in step S318, determine to have finished the slow demonstration of the view data that continuous shooting imaging is obtained, but also in step S319, determine to have discharged the shutter release button of partly pressing, handle and need not to take other any actions with regard to advancing to step S327.
When processing advances to step S327, be that jump (frame reduction (frame thinning)) demonstration is carried out on the basis with the view data in being stored in buffer storage 11 constantly at this.Even carry out to jump showing during (skip display), video imaging process or take imaging process continuously and also proceed.
Reference symbol among Fig. 8 " (3) " refers to when all images data of determining slowly to have shown by continuous shooting imaging process imaging the state of image that should jump demonstration, reference symbol among Fig. 9 " (3) " referred to before all images data that slowly shown by continuous shooting imaging process imaging, was determining to have discharged the shutter release button partly pressed, was supressing the state of this shutter release button or the image that this jump shows when having operated the imaging instruction button fully.
In the jump of Fig. 8 shows, shown and taken all images data that obtain in the imaging process continuously, so after shooting time expires continuously, jump and show the frame image data that is obtained by the video imaging process, in the jump of Fig. 9 shows, to when discharging the shutter release button partly press, when pressing this shutter release button fully or when being operable to the picture order button, also slowly not having shown view data, and the frame image data that after continuous shooting time expires, obtains by the video imaging process demonstration of jumping.If discharged the shutter release button partly pressed at the expiration, press this shutter release button or be operable to the picture order button fully at continuous shooting time, will only jump is presented at the view data that also slowly shows on the shutter release button that release partly presses or the time point of the pressing shutter release button fully, obtain by continuous shooting imaging process.
The view data (comprising frame image data) of imaging in this jump procedure for displaying also can be the image that will jump and show.Similarly, in the view data of having finished imaging after the slow demonstration and discharging the shutter release button partly pressed, supress shutter release button or operated after imaging instruction is handled the view data of imaging and also can carry out this jumps demonstration fully.The purpose of this process is just to link at present the image that shows in the view data of imaging and viewing area A smoothly, thereby reduces the sense of discomfort of user when checking the demonstration image.
Although it all is to reduce the view data (comprising frame image data) that does not also show that the jump in Fig. 8 and 9 shows, and shows with the speed greater than the through image display speed, as an alternative, also can carries out a kind of simple reduction and show.In addition, can two-forty show the view data that this does not show as yet, replace described reduction.
Be the frame rate (than a low frame rate of frame rate of taking imaging continuously) that the two field picture that only shows jumping carries out imaging by the imaging frame rate that is defined in the video imaging process of carrying out in the slow image display process of continuous shooting time after at the expiration, can reduce the burden of imaging process, and can handle by the removal of images data reduction.In the case, only imaging is jumped and is shown required view data, and it is stored in the buffer storage 11 in advance, therefore will be presented at all images data of storage in the buffer storage 11.
In addition, though will be stored in the buffer storage 11 by all frame image datas of video imaging process imaging at the expiration at continuous shooting time, and when carry out to jump showing, used the frame image data of storing, but also can be in the video imaging process frame image data of imaging be stored in and carry out the frame reduction in this stage buffer storage 11 in and store.In the case, in buffer storage 11, only store those view data after reduction, thereby can be presented at all images data of storage in the buffer storage 11.
Carrying out the reason that shows of jumping is: as mentioned above, image shown in the A of viewing area slowly shown, therefore at present just the imaging of the view data of imaging constantly time and the imaging time constantly of at present shown view data depart from gradually.The result, when after having discharged the shutter release button of partly pressing or after pressing shutter release button fully, turning back to conventional through image and showing, directly show between the shown image at the image that has slowly been shown and by routine not have continuity, the result produces a kind of sense of discomfort.By showing the view data (comprising frame image data) also slowly show, can create and with a kind of continuity between the view data of imaging just at present, provide a kind of natural video to show thus.
Refer back to Fig. 7, handle and advance to step S328, and whether DSP/CPU3 judges to be come target is carried out imaging (step S328) by continuous shooting imaging process at present.
If just carry out imaging (S328: be) by continuous shooting imaging process, DSP/CPU3 just turns back to processing step S301 (see figure 6).
If (S328: not), DSP/CPU3 just turns back to processing step S302 (see figure 6), and recovers conventional through image demonstration just to carry out imaging by the video imaging process.
This just can show image in real time till reaching next photograph opportunity, thereby can judge whether a photograph will suitably carrying out will arrive opportunity.Even if when pressing shutter release button fully or discharged and do not have upcoming photograph opportunity when partly pressing or under the no upcoming photograph situation on opportunity, supress the imaging instruction button, also can carry out slow demonstration, then judge by the image of checking slow demonstration photograph opportunity, whether the upcoming moment will be the moment that this photograph has arrived constantly.
In addition, even if determined photograph opportunity to want to press shutter release button after coming the user, also can directly show all images data that obtain by continuous shooting imaging, then should photograph the image on opportunity will be not in the view data that slowly shows, so the user just might be owing to turn back to conventional through image demonstration and can not judge suitably whether this photograph coming again opportunity.
As mentioned above, in third embodiment of the invention, digital camera 1 is at the shutter release button half that is pressed, slow image and realtime graphic have been shown simultaneously, so the user just just can check at present the target in imaging, but also can find the photograph image on opportunity by checking this slowly to show easily.
In addition, when being operable to picture during order button, record the image that this shows in real time, this is particularly useful when photograph opportunity is not in the view data of continuous style of shooting imaging.Although slowly the image that shows is the view data by continuous shooting imaging imaging, but the image that shows is by the view data of continuous shooting imaging imaging and the frame image data that passes through the video imaging imaging, so needn't slowly show the view data that shows in real time at present in real time.
When from half pressed state, pressing shutter release button fully, be recorded in the view data that slowly shows among the A of viewing area, show but also recover conventional through image.Similarly, needn't provide one independently slowly to show release-push, and press the release that shutter release button also causes this slow demonstration fully, thereby simplify the operation of digital camera 1.In addition, this situation when discharging the shutter release button of partly pressing but not pressing this shutter release button fully also is the same, and at this, the release of partly pressing shutter release button has also caused this release that slowly shows, has therefore also simplified the operation of digital camera 1.
[the 4th embodiment]
Now with reference to Figure 10-13 fourth embodiment of the invention is described.
In above-mentioned the 3rd embodiment of the present invention, slowly be presented in the process of the view data of imaging in the predetermined time interval in the shooting imaging process continuously, when not pressing shutter release button fully and from partly press, not discharging shutter release button, and when not being operable to the picture order button (, continuing partly to press shutter release button till slow demonstration finishes the time), this demonstration turns back to conventional through image and shows.Yet, in fourth embodiment of the invention, if slowly be presented in the process of the view data of imaging in the predetermined time interval in the shooting imaging process continuously, do not press shutter release button fully and from partly press, do not discharge this shutter release button, and when not operating this imaging instruction button, then can repeatedly play the image that this slowly shows.
This is particularly useful in following situation: for example, even the image on the opportunity of taking a picture taking continuously also missed the operation constantly of pressing shutter release button fully in the view data that obtains in the imaging process in, a plurality ofly can be considered as the image on photograph opportunity to exist about which image be best probabilistic the time when existing, etc.
In fourth embodiment of the invention, can utilize have with above-mentioned the 3rd embodiment in the digital camera 1 of same structure realize this imaging device.
Explain operation according to the described digital camera 1 of fourth embodiment of the invention with reference to the flow chart of Figure 10 and 11.
If determine that in step S303 this shutter release button of (see figure 6) has been pressed half, DSP/CPU3 just makes and handles the step S351 that advances among Figure 10, and imaging process is taken in startup continuously, take imaging process continuously and target is carried out continuous imaging (that is, in step S305, having changed the continuous shooting speed of its setting) with the continuous shooting speed of in continuous shooting speed storage area, being stored.At this moment, DSP/CPU3 starts a timer.
After this, in step S352, DSP/CPU3 starts one and is used for the process that storage is carried out to take the view data of imaging continuously by CCD2 in buffer storage 11.The image data storage of imaging is upgraded (overwrite) this memory in buffer storage and not, that is, and a plurality of view data of storage in buffer storage.
Next, in step S353, DSP/CPU3 starts following process: read obtain by continuous shooting imaging and be stored in view data in the buffer storage, and in the A of the viewing area of display device 6, show this view data.With at the slow slow display speed of being stored in the storage area (that is, with slow display speed set among the step S309 in Fig. 6) that shows, show this view data.
This causes shown image slowly to be shown, this just can more easily find desirable photograph opportunity, and it is specially adapted to the target of fast moving.
Next, in step S354, DSP/CPU3 starts following process: read by the CCD2 imaging and be stored in view data in the buffer storage (be included among the following step S373 by taking view data that imaging obtains and the frame image data by the video imaging imaging continuously, and they all being stored in the buffer storage).Carry out this process (reading in real time) with the speed identical with the view data image taking speed.In the B of the viewing area of display device 6, show this view data, that is, in the B of viewing area, show the image of catching in real time.
Next, whether DSP/CPU3 judgement time T1 begins to expire so far (step S335) from taking imaging process continuously,, judges whether timer has surpassed time T 1 that is.
In step S355, if the continuous certainly shooting imaging process of definite time T 1 begins to expire so far (S335: be), DSP/CPU3 with regard to judge whether to till time T 1 take imaging continuously image data frame carried out reducing (step S356), that is, judge whether to have carried out processing in following step S357.
In step S356, if determine till time T 1, also reduce (S356: not) by the image data frame of continuous shooting imaging imaging, DSP/CPU3 just carries out following process: for up to till the time T 1 in buffer storage 11 a plurality of image data frames storage, by continuous shooting imaging imaging reduce (step S357), make then to handle to advance to step S358.It can be a kind of for the process of deleting the view data of being reduced that this reduction is handled, perhaps can be that a kind of image that only changes is controlled data in order to create the process of following state: in this state, can come overwrite to store the zone of the view data of being reduced with new view data.
For example, view data is reduced, so that when carrying out when taking imaging process continuously with the speed of per second 60 frames and storing in buffer storage 11, the quantity of image data frame keeps after reduction is handled with identical in the situation of carrying out continuous shooting imaging with the speed of per second 30 frames.In other words, in the time of will reducing to 30fps from 60fps in the frame rate of two field picture, this result keeps identical.In one embodiment, in the removal of images data every one frame.
As a result, show that by slow image the imaging of shown image just will depart from present in the imaging of the image of imaging constantly constantly, and buffer storage 11 in, also the total quantity of the view data of demonstration will not increase gradually.Yet, can handle the quantity that reduces the image data frame of storing by this reduction, this just can increase free space in buffer storage 11.
(the S355: not) if the continuous certainly shooting imaging process of definite time T 1 begins also not expire so far, if perhaps determine the picture frame of imaging till time T 1 has been carried out reducing (S356: be), DSP/CPU3 advances to step S358 and need not to take other any actions with regard to making to handle.
Next, whether DSP/CPU3 judgement time T2 begins to expire so far (step S358) from taking imaging process continuously,, judges whether timer has surpassed time T 2 that is.In this process, time T 1 can be less than time T 2.Shooting time can be longer than time T 2 continuously.
If the continuous certainly shooting imaging process of definite time T 2 begins to expire so far (S358), DSP/CPU3 has carried out reducing (step S359) with regard to judging whether to the image data frame till time T 2, by continuous shooting imaging, that is, judge whether to have carried out process among the following step S360.
If determine till time T 2, the image data frame by continuous shooting imaging imaging also reduces (S359: not), DSP/CPU3 just carries out following process: namely, for up to till the time T 2 in buffer storage 11 a plurality of image data frames storage, by continuous shooting imaging imaging reduce (step S360), make then to handle to advance to step S361.
For example, this view data can be reduced to and make when carrying out continuously the shooting imaging process with the speed of per second 60 frames and in buffer storage, storing, the quantity of the image data frame of imaging will reduce to 30 from 60 between time T 1 and time T 2, and the quantity of the image data frame of imaging will reduce to 15 from 30 till time T 1.In one embodiment, in the removal of images data every one frame.
Though the reduction in step S357 and step S360 is handled reduction or eliminated in per two image data frames one, the present invention is not limited thereto.In addition, the reduction processing that can be different among the step S360 is handled in the reduction in step S357.For example, in the reduction of step S357 is handled, can reduce or three frames of removal of images data in the middle of a frame, and in the reduction of step S360 is handled, can reduce or four frames of removal of images data in the middle of a frame.
Figure 12 represents the state that buffer storage 11 interior view data of storing pass in time.The t axle is illustrated in beginning and takes imaging time variation afterwards continuously.
In Figure 12 as seen, storage till time T 1 at the expiration, and when the time, T1 expired, only reduces frame in per two frames of view data of imaging till time T 1 with the view data of the continuous shooting imaging of per second 60 frames, that is, in the storing image data every one frame.Solid line among Figure 12 refers to be taken continuously imaging in the imaging and is being stored in view data in the buffer storage, and dotted line is represented the view data of deleting by the reduction among the step S357.Using this reduction handles, even take imaging continuously and when storing carrying out with the speed of per second 60 frames, the reduction among the step S357 is handled and can make that also the quantity of the image data frame that will obtain is identical under the quantity of the image data frame of storing till the time T 1 and situation in the continuous shooting imaging of execution per second 30 frames.
In addition, when time T1 at the expiration and time T 2 when also expiring, the reduction view data is so that only store in the view data of imaging till time T 2 frame every one.In Figure 12, dotted line is represented the view data of deleting by the reduction among the step S360.Handle by using this reduction, even take imaging continuously and when storing carrying out with per second 60 frames, the reduction among the step S357 is handled and can make that also the quantity of the image data frame that will obtain is identical under the quantity of the image data frame of storing till the time T 1 and situation in the continuous shooting imaging of execution per second 30 frames.Similarly, owing in step S357, reduced a plurality of image data frames till the T2 when the additional reduction of execution step S360, even take imaging continuously and store so carry out with the speed of per second 60 frames, what the quantity of the image data frame till time T 1 also will be with the continuous shooting imaging of carrying out with the speed of per second 15 frames is identical.Yet, from time T 1 to time T2, only the quantity of the image data frame stored is carried out reduction step S360, if carry out with the speed of per second 60 frames and to take imaging continuously and store, then the quantity from the image data frame of time T 1 to T2 will be identical with the continuous shooting imaging of carrying out with the speed of per second 30 frames.In the present invention, corresponding with the processing of being undertaken by the reduction unit to the processing among the step S360 at step S355.
Along with time lapse, according to the life period of view data, by reducing to reduce the view data that is stored in the buffer storage.
Though in schematic diagram shown in Figure 12, in two stages, view data is reduced, replacedly, along with time lapse, can in three or more stages, reduce view data.
DSP/CPU3 judges whether to have changed the setting (step S361) for continuous shooting speed.At this moment, the user can be by the operation cross key up arrow ↑ or to Down Arrow ↓ the change setting for continuous shooting speed, and DSP/CPU3 will determine to have changed the setting for continuous shooting speed when having sent the operation signal corresponding with this operation from key input unit 7.
If the user wants to improve continuous shooting speed, the user will operate the up arrow of cross key ↑, if perhaps the user wants to reduce continuous shooting speed, the user will operate cross key to Down Arrow ↓.After this manner, the user just can select a kind of continuous shooting speed that is applicable to this imaging situation when carrying out actual continuous shooting imaging.
If determine to have changed the setting (S361: be) for continuous shooting speed, DSP/CPU3 just operates the temporary transient setting (step S362) that changes for continuous shooting speed according to these, and makes processing advance to step S363.
If determine not change the setting (S361: deny) for continuous shooting speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S363.
This temporary transient change setting refers to and changes continuous shooting speed, it is limited to present continuous shooting imaging, wherein, even in step S362, changed the setting for continuous shooting speed, can the continuous shooting speed storage area in buffer storage 11 yet in storage its altered continuous shooting speed is set.Therefore, in ensuing continuous shooting imaging, will carry out this continuous shooting process with the continuous shooting speed of in continuous shooting speed storage area, being stored by the step S305 among Fig. 6.
When carrying out this for temporary transient changes of the setting of continuous shooting speed, DSP/CPU3 will change continuous shooting speed that this takes imaging process execution imaging continuously taking continuously in the imaging process.Therefore, when having changed for the arranging of continuous shooting speed, with it altered continuous shooting speed is set and carries out this and take imaging process continuously.
DSP/CPU3 judges whether to have changed the setting (step S363) for slow display speed.
The user can by the operation cross key to Right Arrow → or to left arrow ← change the setting for slow display speed, and DSP/CPU3 definite setting that has changed for continuous shooting speed when from key input unit 7, having sent the operation signal corresponding with this operation.
If want to improve slow display speed this user, the user will operate cross key to Right Arrow →.If the user wants to reduce slow display speed, the user will operate cross key to left arrow ←.After this manner, the user just can select a kind of slow display speed that is applicable to this imaging situation when carrying out actual continuous shooting imaging.
If determine to change the setting (S363: be) for slow display speed, DSP/CPU3 just operates the temporary transient setting (step S364) that changes for slow display speed according to these, and makes processing advance to step S365.
If determine not change the setting (S363: deny) for slow display speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S365.
Should temporarily change to arrange to refer to and change slow display speed, it is limited to present continuous shooting imaging, wherein, even in step S364, changed the setting for slow display speed, can the slow display speed storage area in buffer storage 11 yet in storage its altered slow display speed is set.
If determine to change the setting (S363: be) for slow display speed, DSP/CPU3 just operates the temporary transient setting (step S364) that changes for slow display speed according to these, and makes processing advance to step S365.
If determine not change the setting (S363: deny) for slow display speed, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S365.
Should temporarily change to arrange to refer to and change slow display speed, it is limited to present continuous shooting imaging, wherein, even in step S364, changed the setting for slow display speed, can the slow display speed storage area in buffer storage 11 yet in storage its altered slow display speed is set.Therefore, in ensuing continuous shooting imaging, will adopt the slow display speed of in slow display speed storage area, storing by the step S309 among Fig. 6 to carry out this continuous photographing process.
When the temporary transient change carried out for the setting of slow display speed, DSP/CPU3 will change and carry out slow display speed that this slowly shows.Therefore, when changing for arranging of slow display speed, will altered slow display speed be set with it and read this image, and in the A of viewing area, show this image of reading.
Judged whether then slowly to show by taking all images data (step S365) that imaging process obtains continuously.
If determine to have finished the slow demonstration (S365: be) to all images data that obtain by continuous shooting imaging process, DSP/CPU3 just begins with the slow display speed of storing or its temporary transient altered slow display speed in step S364 just to be set in slow display speed storage area, and repeat playing is view data that read again, that obtain from continuous shooting imaging process from buffering memory 11.In the A of viewing area, show this view data (step S366), handle advancing to step S367 then.
After this manner, provide a kind of the repetition to show, even so that the image on the opportunity of photograph has missed photograph opportunity in being in slow demonstration the time, also might obtain this photograph image on opportunity.
If determine to have finished the slow demonstration to all images data that obtain by continuous shooting imaging process, then shooting time begins to expire so far from taking imaging process continuously continuously, and the view data after the reduction among the step S357 that has stored at Figure 10 in buffer storage 11 and the step S360.Slowly show in the circulation in the first time to the view data that obtains by continuous shooting imaging process, progressively reduce this view data along with slow display image data, yet it is different with it, in showing for the second time slowly circulation and follow-up slow demonstration circulation, slowly show the view data that this has been reduced and need not to revise.As a result, shown situation is different for slowly showing circulation for the first time and slowly showing circulation for the second time.
Specifically, show that for the first time slowly circulation shows the view data that comes from the performed continuous shooting imaging of per second 60 frames at the beginning, after this, slowly show to be reduced to for example view data of per second 30 frames and per second 15 frames.By contrast, in showing slowly that for the second time circulation and follow-up slow demonstration circulate, slowly show the view data of per second 15 frames at the beginning, and then slowly show the view data of per second 30 frames and per second 60 frames.
If determine also not finish the slow demonstration (S365: deny) to the view data that obtains by continuous shooting imaging process, DSP/CPU3 need not to take other any actions with regard to making processing advance to step S367.
Then, DSP/CPU3 has judged whether to discharge the shutter release button of partly pressing (step S367).
If (S367: not), DSP/CPU3 just judges whether to have operated imaging instruction button (step S368) to determine also there is not to discharge the shutter release button of partly pressing.
If (S368: not), DSP/CPU3 just judges whether to supress fully shutter release button (step S369) to determine also not to be operable to the picture order button.
If determine also not carry out the complete pressing operation (S369: deny) of shutter release button, whether DSP/CPU3 just judges just to be come target is carried out imaging (step S370) by continuous shooting imaging process at present.
Just by continuous shooting imaging process target is carried out imaging (S370: be) at present if determine, just judge that continuous shooting time is whether from taking imaging process begin to have expired so far (step S371) continuously, that is, judge whether timer has surpassed continuous shooting time.
Carry out in reality among the slow demonstration time of all images data of taking the continuous shooting time of imaging continuously and obtaining by continuous shooting imaging, shooting time is than short continuously.Similarly, in step S365, judged whether slowly to have shown by before all images data that the shooting imaging obtains continuously, judged in step S371 whether continuous shooting time expires.
If determine that also (S371: not), DSP/CPU3 does not just turn back to processing step S355 to continuous shooting time not at the expiration.
If determine that continuous shooting time has expired (S371: be), DSP/CPU3 just stops taking imaging process continuously, and starts video imaging process (step S372).
Next, DSP/CPU3 starts a process (step S373) that is used for the view data that the video imaging process of passing through in the buffer storage that is updated in obtains.At this moment, DSP/CPU3 only stores the single frame in the frame image data that obtains by the video imaging process in buffer storage 11, and when a new image data frame is carried out imaging, in memory, upgrade the frame image data of (overwrite) imaging, and handle the step S363 that turns back among Figure 10.This is not stored in the buffer storage 11 by view data that continuous shooting imaging process obtains with not making amendment, and it is used in the repeat playing among the step S366.
If (S370: not), DSP/CPU3 just turns back to processing step S363 to determine by continuous shooting imaging process target not to be carried out imaging.
If determined to discharge the shutter release button of partly pressing (S367: be), DSP/CPU3 need not to take other any actions with regard to making processing advance to step S376.
If definite shutter release button (S369: be) of supressing fully, the DSP/CPU3 view data (step S374) that just storage slowly shows in the A of viewing area at present in memory 13, and make processing advance to step S376.
If determine to have operated imaging instruction button (S368: be), the DSP/CPU3 view data (comprising frame image data) (step S375) that just storage shows in the B of viewing area at present in real time in memory 13, and make processing advance to step S376.
DSP/CPU3 judges whether just by continuous shooting imaging process target is carried out imaging (step S376) at present.
If just carry out imaging (S376: be) by continuous shooting imaging process, DSP/CPU3 just makes to handle and turns back to step S301.
If (S376: not), DSP/CPU3 just makes to handle and turns back to step S302, and recovers conventional through image demonstration just to carry out imaging by the video imaging process.
This just can show image in real time till reaching next photograph opportunity, thereby can judge whether a photograph will suitably carrying out will arrive opportunity.Even if when pressing shutter release button fully or discharged and do not have upcoming photograph opportunity when partly pressing or under the no upcoming photograph situation on opportunity, supress the imaging instruction button, also can carry out slow demonstration, then judge by the image of checking slow demonstration photograph opportunity, whether the upcoming moment will be the moment that this photograph has arrived constantly.
In step S367, in case determined to discharge the shutter release button of partly pressing, handle and need not to take other any actions with regard to advancing to step S376.When in step S369, determining to supress shutter release button fully, and when in step S374, when pressing shutter release button fully, having stored the view data of slow demonstration, handle advancing to step S376 and need not to take other any actions.When in step S368, determining to have operated the imaging instruction button, and in step S375, stored when being operable to the view data that picture shows during order button in real time, handled advancing to step S376 and need not to take other any actions.Yet, can adopt with above-mentioned the 3rd embodiment in the step S327 of Fig. 7 identical mode, advance to step S327 after showing carrying out to jump.In the case, must store the view data that from the video imaging process, obtains and updated stored device in step S373 not, if this is because just will wipe old view data and the demonstration of can't jumping owing to upgraded memory.Replacedly, can only carry out imaging and storage to those necessary view data of demonstration of jumping.In addition, in that the image data storage by video imaging process imaging in this stage in buffer storage 11, can be reduced the view data that shows of will not jumping, store then, and can show view data after this reduction.
As mentioned above, in fourth embodiment of the invention, carrying out a low speed of the image taking speed of imaging (slowly display speed) with the comparison view data shows by taking the view data of imaging process imaging continuously, making and can only store the image corresponding with user desirable photograph opportunity when catching image reliably.Therefore, after having finished imaging, can only store the image corresponding with this photograph opportunity, wipe except other images outside the image (that is desirable photograph) corresponding with this photograph opportunity and need not to carry out complicated operations.
In addition, when execution slowly shows till the view data by continuous shooting imaging process imaging finishes, repeat playing is by taking continuously the view data of imaging process imaging, missed photograph opportunity or also can store the photograph image on opportunity when best on uncertain which photograph of user opportunity the user even for example make.
In addition, because begin, the continuous shooting imaging of passing through of storage in the buffer storage 11 carried out the view data of imaging and carried out reduction and handle (processing from step S355 to step S360) from view data the earliest, so just might increase the free space in the buffer storage 11, and might make in the image that slowly shows in the circulation for the first time performance with circulate for the second time and follow-up circulation in the performance of image of repeat playing different.
In addition, when the shutter release button half that is pressed, show slow image and realtime graphic simultaneously, so the user just can discover at present the target in imaging, and the user can also find the photograph image on opportunity easily by checking slow demonstration.
When being operable to picture during order button, can store the image of real-time demonstration, this photograph opportunity not in the view data of coming imaging with continuous shooting and should photograph opportunity particularly useful in the frame image data that obtains by video imaging the time.In addition, when pressing shutter release button fully from half pressed state, the view data that record is just slowly showing in the A of viewing area shows but also recover conventional through image, so do not need to provide one independently slowly to show release-push.Press shutter release button fully and also cause the slowly release of demonstration, thereby simplify the operation of digital camera 1.In addition, this also is the same when discharging the shutter release button of partly pressing but not pressing shutter release button fully, has discharged the shutter release button of partly pressing at this and has also caused the slowly release of demonstration, and simplified the operation of digital camera 1 again.
[other embodiment]
Can revise any among the above-mentioned various embodiment, to comprise following variation:
(1) though in the present invention third and fourth embodiment, when the shooting imaging process has surpassed a scheduled time continuously, carry out the video imaging process, replacedly, can only carry out imaging to those images that when the demonstration of jumping is necessary, engrave.In other words, can use one with predetermined space (for example, jump show time necessary) imaging process of target imaging to be replaced above-mentioned video imaging process in third and fourth embodiment.
Can show the view data of coming imaging by this imaging process, replace above-mentioned jump to show.
After this manner, might reduce processing burden and electrical source consumption thereof on the DSP/CPU3, this is because needn't be to not carrying out imaging at the time frame image data that engraves that shows that will jump, because when the mode that shows to jump is reduced with the display frame view data, needn't reduce this frame image data.
When using imaging process with a predetermined time period imaging to replace the video imaging process, can show so that when recovering conventional through image and showing having finished to jump, start the video imaging process.
(2) though in the present invention third and fourth embodiment, reduce and display image data in the mode that jump to show, replacedly, can make up the view data of the frame with predetermined quantity and show.For example, the view data that can synthesize 1 frame according to the view data of 10 frames.
(3) though in the present invention third and fourth embodiment, carry out from partly pressing continuous shooting imaging process (the step S310 Fig. 6 and the step S351 among Figure 10) and the slowly demonstration that shutter release button begins by the view data (step S312 and step S353) that continuous shooting imaging process obtains, but replacedly, can utilize the frame image data (time of specific quantity) of the frame of the specific quantity of imaging before partly pressing shutter to carry out slow demonstration.
Owing to shown the frame image data (the step S302 among Fig. 6) of imaging before partly pressing shutter by conventional through image, therefore the frame image data of the frame of the predetermined quantity of imaging is shown again before partly pressing shutter.
Figure 13 has represented this replaceable technology, and as shown in figure 13, when the shutter half that is pressed, slowly shows from the frame to previous specific quantity, slowly shows the view data of coming imaging by continuous shooting imaging process.This just can obtain the image on the opportunity of taking a picture, even this is because when the moment of partly pressing shutter release button is later than this photograph opportunity, owing to slowly show to be to begin to carry out from the view data before partly pressing shutter release button, therefore might repeat playing should photograph the image on opportunity.
In the case, for the frame image data that obtains by the video imaging process, even in the process that routine directly shows, also must carry out a recording processing that need not to upgrade this memory for the frame image data of the frame of in buffer storage 11, storing previous specific quantity continuously.
Can allow the user that specific quantity or the particular time interval of described frame are set according to expectation.
(4) when above-mentioned alternative embodiment is applied to fourth embodiment of the invention, can carrying out step S366 among Figure 11 repeat to show the time, repeat to show the view data that has shown and do not make amendment, as described slow demonstration.Specifically, can utilize before partly pressing shutter the frame data of the frame of the predetermined quantity that (before taking imaging process continuously) obtained by video imaging, carry out slowly and the demonstration that repeats.
(5) though in third and fourth embodiment of the present invention, can not change the setting for continuous shooting time in slow procedure for displaying, replacedly, an embodiment among the present invention just can change the setting for continuous shooting time.As a result, by having determined that photograph will not occur opportunity in this set continuous shooting time when, prolong continuous shooting time, can take imaging continuously by the image on contrast phase opportunity with this and carry out imaging.
When having shortened continuous shooting time, certainly, can not make this time ratio short from taking the time that imaging process begins to have passed so far continuously, even this is because shortened the time, but also by the imaging of having taken imaging execution continuously.
(6) in the present invention third and fourth embodiment, need not partly to press shutter release button if press shutter release button fully rapidly, then when pressing this shutter release button fully, show this view data in real time by conventional through image demonstration.
In addition, need not partly to press shutter release button if be operable to as order button, then when being operable to the picture order button, can store the view data that shows in real time with conventional through image display mode.
(7) though in the present invention third and fourth embodiment, command slow image to show by partly pressing shutter release button, command slowly being presented at the storage of the image in the A of viewing area by pressing shutter release button fully, and command being presented at the storage of the image in the B of viewing area in real time by being operable to as order button, in alternative embodiment, can be replaced by other buttons, carry out each order.
For example, can provide one slowly to show (SLOW DISPLAY) button, and when operation SLOW DISPLAY button, can start slow demonstration.
(8) though in third and fourth embodiment, at the shutter release button half that is pressed, carry out and take imaging process continuously, replacedly, can carry out the video imaging process and replace this shooting imaging process continuously.In the case, can be different from video imaging process before partly pressing shutter release button for the imaging control (for example, frame rate) of the video imaging process after partly the pressing of shutter release button.
In addition, for all embodiment among the present invention, can carry out continuous shooting imaging process and replace the video imaging process.
In the case, continuously shooting time refers to the imaging time interval of the image that will slowly show the image that comes imaging by continuous shooting imaging process or video imaging process after.
(9) in the present invention third and fourth embodiment, after continuous shooting imaging process switches to the video imaging process (the step S324 Fig. 7 and the step S327 among Figure 11), can notify the user to switch.For example, can show to indicate at display device 6 and switch, perhaps can produce a sound.
This just can notify the user is being the image that will slowly not show at the image of imaging just.
(10) though in third embodiment of the invention, carrying out shooting imaging process continuously during the shooting time continuously, but replacedly, can when shutter release button is pressed half, carry out and take imaging process continuously, and need not to set in advance continuous shooting time.
(11) though in third embodiment of the invention, viewing area A is slow demonstration, and viewing area B is real-time demonstration, but in alternative embodiment, first shutter release button and second shutter that can partly press or press fully can be provided, this first shutter release button can be associated with viewing area A, and second shutter release button can be associated with viewing area B.
For example, when first shutter release button half that is pressed, in the A of viewing area, show by be pressed half continuous shooting that begins constantly and the view data of imaging at first shutter release button, and when second shutter release button half that is pressed, in the B of viewing area, show by be pressed half continuous shooting that begins constantly and the view data of imaging at second shutter release button.
In addition, at these two shutter release buttons half that all has been pressed, can will at first carry out the viewing area of slow demonstration and return to real-time demonstration by partly pressing shutter release button.Carry out slow demonstration simultaneously for fear of these two viewing areas, can be pressed at last to carry out slowly in half the viewing area to shutter release button shows, and shows in real time at first be pressed half viewing area of shutter release button.For example, if after first shutter release button is pressed half second shutter release button is pressed half, the viewing area A that then will carry out slow demonstration switches to real-time demonstration, and viewing area B is switched to slow demonstration.
(12) following processing can also be applied to third embodiment of the invention: wherein, as time goes by and begin to reduce (in the processing of step S355 to the step S360) to coming imaging by continuous shooting imaging and being stored in view data in the buffer storage from the earliest view data, this explains in fourth embodiment of the invention.As a result, can protect or cache memory access 11 in free space.
In addition, though in third embodiment of the invention, carried out such processing: wherein, as time goes by and begin to reduce (in the processing of step S355 to the step S360) to coming imaging by continuous shooting imaging and being stored in view data in the buffer storage from the earliest view data, but do not need to carry out this processing, that is, this processing is not necessary to carry out.
In addition, be used for as time goes by and begin alternative to coming imaging by continuous shooting imaging and being stored in the method that the view data in the buffer storage reduces from the earliest view data as this, wherein, when when the shooting imaging process has been passed through the scheduled time after the time started continuously, to till the scheduled time (T1 or T2), coming the view data of imaging to reduce by continuous shooting imaging, wherein utilized the time started of continuous shooting imaging process as benchmark, in alternative embodiment of the present invention, the scheduled time (or frame of predetermined quantity) view data is before periodically carried out reduction handles, wherein should the scheduled time before the present time.
For example, carried out reduction to view data in the past if periodically carry out since the time more than 5 seconds, so, as time goes by, reduced time amount to old view data will become bigger, and will become littler to the reduced time amount of new view data.As a result, among the view data of storage, these data are more old, just it more reduced in buffer storage 11.
(13) though in fourth embodiment of the invention, if determine to supress fully shutter release button (step S369: be), then in step S374, after having stored view data, recover conventional through image, but in alternative embodiment, if supress shutter release button fully, will in step S374, store view data after, make to handle to advance to step S370.Therefore, owing to press shutter release button fully, so just do not stop the slow demonstration of the view data that obtains by continuous shooting imaging process and slowly repeat demonstration.
In this embodiment, might be stored in the image that is considered to the opportunity of taking a picture of any amount among the view data that obtains by continuous shooting imaging process, even do not show and when pressing shutter release button fully, do not turn back to conventional through image, even this is because also do not stop slow demonstration when pressing shutter release button fully yet.
(14) though in the present invention third and fourth embodiment, can be only change for the continuous shooting speed of continuous shooting imaging process and arrange, in alternative embodiment, at this moment, also may change over picture (frame rate) at interval, this has influenced the imaging by the video imaging process.
(15) though in the present invention third and fourth embodiment, half execution slowly shows and demonstration in real time when shutter release button is pressed, but in alternative embodiment, can show the image imaging information constantly that is used to indicate to the image that shows by slow demonstration.
Explain schematically showing of this embodiment with reference to Figure 14 A-14E, Figure 14 A-14E illustrates be used to the time diagram that is illustrated in image shown on the display device 6.
In the step S303 of Fig. 6, shown in Figure 14 A, show conventional through image at display device 6, until having determined that shutter release button is pressed till half.
After this, in the step S303 of Fig. 6, determining the shutter release button half that has been pressed, as shown in Figure 14B, start among the step S310 of Fig. 7 or among the step S351 of Fig. 8 and take imaging process continuously, and in buffer storage, store the view data of coming imaging by continuous shooting imaging process, in the A of the viewing area of display device 6, carry out slowly demonstration (step S312 or step S353), and in the B of the viewing area of display device 6, carry out real-time show (step S313 or step 354).The present slow display speed of the symbol in the upper left corner " x0.5 " expression wherein by convention, has shown slow display speed set in the step S309 of Fig. 6 in Figure 14 B.When in slow procedure for displaying, having changed slow display speed (the step S317 among Fig. 7 or the step S364 among Figure 10), the slow display speed after this changes with demonstration.As a result, the user can see the slow display speed that arranges up till now.
At this moment, as shown in Figure 14B, also show a slow show bar simultaneously, that is, slowly also showing this slow show bar in the procedure for displaying.This slow show bar has shown the imaging moment of the view data that slowly shows at present.Figure 14 B illustrates the situation at once after shutter release button is pressed half.
Explain slow show bar hereinafter with reference to Figure 15 A.Figure 15 A and 15B are for the schematic diagram of explaining slow show bar.
Shown in Figure 15 A and 15B, slowly show bar has show bar 21 and cache bar 23.The imaging time of the view data that reference symbol " 4s " (4 seconds) expression that shows on show bar 21 and cache bar 23 the right slowly shows, it refers to " shooting time continuously " (seeing Figure 14 B),, will show the continuous shooting time that is arranged by the user that is.Can display frame imaging quantity replace continuous shooting time, so that the user can see imaging time (shooting time continuously), wherein between at this moment, upward the image that will slowly show be carried out imaging.
The left side of show bar 21 and cache bar 23 shows shutter release button and is pressed time of a half, and the right side of show bar 21 and cache bar 23 shows from the shutter release button continuous shooting time (being 4 seconds in the case) that a half begins to have passed so far that is pressed.
Exist one to show timing part 22 in show bar 21, it moves within the scope of show bar 21, and expression to the imaging (storage) of the image that shows with slow display mode at present constantly.
Vertical line part 24 expression in the cache bar 23 begins the store status of the buffer storage of the view data of imaging (by the view data of continuous shooting imaging imaging) so far from the shutter release button half that is pressed, wherein, by checking this vertical line part 24, just can see the actual storage of the view data after pressing shutter release button fully constantly.Half begins the view data of imaging (storage) constantly though 24 expressions of vertical line part are pressed from shutter release button, but replacedly, owing to utilized demonstration timing part 22, so this vertical line part 24 can be used for only showing present imaging (storage) constantly.
Again turn back to Figure 14 B, can see that by checking cache bar 23 image data amount of storing is very little in buffer storage, this is because this time back to back time after shutter release button is pressed half.In addition, because after this follows hard on and partly presses, thus to the imaging of the view data of nearest storage constantly (in the right positions of vertical line part 24) with to the imaging of the image of the present demonstration very little deviation of existence between (position that is showing timing part 22) constantly.
In addition, shown in Figure 14 C and 14D, as time goes by, the image data amount stored increases (having caused prolonging the vertical line part 24 of cache bar 23), and the view data of nearest storage is carried out the moment (right positions of vertical line part 24) of imaging and the moment (position that shows timing part 22) that the image of present demonstration carries out imaging is departed from.
Yet, shown in Figure 14 D, when all images data that show by slow demonstration having been carried out imaging (when having finished continuous shooting imaging), do not store the view data of slow demonstration, thus to the imaging of the view data of being come recently imaging by continuous shooting imaging process constantly (right positions of vertical line part 24) with to the imaging of the image of present demonstration constantly the difference between (position of demonstration timing part 22) progressively reduce.
As a result, just might see to for the imaging of the view data that slowly shows at present among the view data that slowly shows imaging constantly, and might see remaining what slowly show.
In addition, because also shown storage (imaging) state of the view data that this slowly shows, thus just just might see up till now in the moment of the view data of imaging, and might see and can also carry out how many imagings.
When carry out to jump showing, can show or can not show slow show bar.If shown slow show bar, and if jump demonstration rather than the slow view data that shows with the imaging of continuous shooting imaging mode, then can show in jump view data position demonstration timing part 22 and the jump that shows.In addition, even if at this moment, this also can show together with display speed.In the case, this will be owing to jump showing and playing back at high speed, so will show the text such as " x2.0 " or " x3.0 ".
(16) when combining alternative embodiment (15) when using alternative embodiment (3), namely, when when being pressed half at shutter release button, carrying out slow demonstration based on the view data of the frame of the specific quantity before partly pressing, use alternative embodiment (15), can carry out following distortion.
Figure 15 B shows the slow show bar that shows in this alternative embodiment, and be with Figure 15 A in identical those parts distribute identical reference number, and ignore the explanation to it.
Gable 25 expression shutter release buttons among Figure 15 B are pressed moment of a half, and thin vertical line part 26 then is illustrated in the frame image data of storing in buffer storage till shutter release button is pressed half moment.The frame image data that thin vertical line part 26 expressions are preserved even this is because shutter release button is pressed half, also can be preserved the frame image data till beginning to previous passing to its certain special time before from the present time.Vertical line part 24 is referred to herein as " thick vertical line part 24 ".
To utilize Figure 16 A-16D to explain exemplary demonstration in alternative embodiment (16).
Figure 16 A-16D illustrates the time diagram that is used for showing image in this alternative embodiment, wherein shows this image at image display.
Figure 16 A illustrates after being provided with static imaging pattern, the state of the image that just shows immediately after through image shows beginning.As shown in Figure 16 A, also the frame image data in the specified time interval is not carried out imaging, begin to leave the left side of cache bar 23 from the position of gable 25 so can see this thin vertical line part 26.Before being pressed half, shutter release button do not show this demonstration timing part 22 at show bar 21.
Shown in Figure 16 B, as time goes by, in buffer storage, store frame image data, and when having passed specific time (when having stored the frame image data in this special time), just shown in Figure 16 C, the left side from the position of gable 25 to cache bar 23 shows thin vertical line part 26.
When having passed special time, the frame image data in the special time of storing in the buffer storage is updated to new frame image data.
When the shutter release button half that is pressed, the image that comes from one section special time before shutter release button is pressed half will slowly be shown, so that shown in Figure 16 D, to show that timing part 22 is positioned over the left side of show bar 21, and as time goes by, show that timing part 22 will move to the right.In addition, shutter release button is pressed half, simultaneously in buffer storage storage by taking the view data of imaging process imaging continuously, wherein with above-mentioned alternative embodiment (15) in identical mode, utilize thick vertical line part 24 to indicate store status.
Though even show slow show bar with conventional through image display mode, can after shutter release button is pressed half, show slow show bar, shown in Figure 16 D.
Though in above-mentioned alternative embodiment (15) and (16), shown cache bar 23, in another embodiment, can show show bar 21 individually.
This demonstration can be used the method except direct show bar.For example, replace show bar 21, can use with the ratio (as " 1/5 ") between the view data total amount (time) of continuous shooting imaging process mode imaging and the image data amount (time) that slowly shown, show at present the imaging (storage) of the image that shows with slow display mode constantly.In addition, this also is same for cache bar 23, and it can be shown as by continuous shooting imaging and come the view data total amount (time) of imaging and the ratio between the image data amount of imaging (time) up to the present.In fact, can use imaging (storage) moment that to inform the image that slowly shows at present and any method of at present view data being carried out the moment of imaging (storage).
Though shown continuous shooting time (being 4 seconds in the case) on the right side of show bar 21 and cache bar 23, but in another embodiment, the slow demonstration time (will slowly show the time by the view data of continuous shooting imaging betwixt) can be shown on the right side of show bar 21, and continuous shooting time can be shown on the right side of cache bar 23.Therefore, the user can see the slow demonstration time that slowly shows carrying out, and will carry out the imaging time (shooting time continuously) of imaging betwixt to the image that will slowly show.
This slow demonstration time will be according to slowly display speed and continuous shooting time change at present.For Figure 14 A-14E and Figure 16 A-16D, this slow display speed is x1/2, and shooting time is 4 seconds continuously, will be 8s (8 seconds) so slowly show the time.
In the time diagram shown in Figure 16 A-16D, this also is same for the special time on being presented at show bar 21 and cache bar 23, wherein show the slow demonstration time (being 1 second in the case) in the left side of show bar 21, and show this special time (being 0.5 second in the case) in the left side of cache bar 23.
(17) can make up above-mentioned alternative embodiment (1)-(16) as requested.
(18) last, though in the above-described embodiments, this description is the situation that is applied to digital camera at the imaging device of will set forth among the present invention, but replacedly, this application can be applied to have mobile phone, the PDA that has camera, the PC that has camera, the IC register that has camera, digital video camera of camera etc., as long as it can carry out in the equipment scope of imaging target.
Can under the situation that does not break away from broad spirit of the present invention and scope, carry out various embodiment there and make amendment.Above-described embodiment is intended that and illustrates the present invention but not limit the scope of the invention.By subsidiary claim but not this embodiment represents scope of the present invention.Can be equivalent in the present invention carry out various modifications in the meaning of claim and in the scope of the claim that in the scope of the invention, will consider.

Claims (36)

1. imaging device comprises:
Image-generating unit is used for the consecutive image that the predetermined imaging frame rate of basis is caught target, and output image data;
Display unit is used for display image data;
Slow indicative control unit, be used for carrying out a slow procedure for displaying, described slow procedure for displaying is for show the view data of exporting from described image-generating unit with described imaging frame rate with the frame rate of display lower than described imaging frame rate, at described display unit;
Record cell is used for recording image data;
Direct indicative control unit, be used for carrying out a direct procedure for displaying, described direct procedure for displaying is for show the view data of exporting from described image-generating unit with described imaging frame rate with the frame rate of display identical with described imaging frame rate, at described display unit;
First display setting device, be used for first performed when carrying out described direct procedure for displaying at the described direct indicative control unit instruction operation, switch to the slow procedure for displaying of being carried out by described slow indicative control unit from the described direct procedure for displaying of being carried out by described direct indicative control unit; And
Record control unit, be used for first recording instruction operation performed when carrying out described slow procedure for displaying at described slow indicative control unit, in the described record cell record view data corresponding with the target image on being presented at described display unit.
2. imaging device as claimed in claim 1 also comprises the unit is set, and is used for adjustable ground described frame rate of display is set; Wherein, described slow indicative control unit shows described view data with by the described set described frame rate of display in unit that arranges at described display unit.
3. imaging device as claimed in claim 1, also comprise second display setting device, be used for second performed when carrying out described slow procedure for displaying at the described slow indicative control unit instruction operation, switch to the direct procedure for displaying of being carried out by described direct indicative control unit from the described slow procedure for displaying of being carried out by described slow indicative control unit.
4. imaging device as claimed in claim 1, also comprise second display setting device, be used for predetermined slow demonstration time of taking place when carrying out described slow procedure for displaying at described slow indicative control unit at the expiration, switch to the direct procedure for displaying of being carried out by described direct indicative control unit from the described slow procedure for displaying of being carried out by described slow indicative control unit.
5. imaging device as claimed in claim 1, also comprise second display setting device, the predetermined slow demonstration time that is used for second performed when carrying out described slow procedure for displaying at the described slow indicative control unit instruction operation and takes place at the expiration, switch to the direct procedure for displaying of being carried out by described direct indicative control unit from the described slow procedure for displaying of being carried out by described slow indicative control unit.
6. imaging device as claimed in claim 4 also comprises the report unit, is used for report about the information in remaining time of described predetermined slow demonstration time.
7. imaging device as claimed in claim 1, wherein, performed second recording instruction operation when carrying out described direct procedure for displaying at described direct indicative control unit of described record control unit comes in the described record cell record view data corresponding with the target image that is shown at described display unit by described direct indicative control unit.
8. imaging device as claimed in claim 1, wherein, performed second recording instruction operation when carrying out described direct procedure for displaying at described direct indicative control unit of described record control unit, in described image-generating unit, carry out imaging process, and record the view data that obtains by described imaging process at described record cell.
9. imaging device as claimed in claim 1 also comprises memory cell, is used for storage by the continuous images data of described image-generating unit with described imaging frame rate output; Wherein, described slow indicative control unit is carried out a slow procedure for displaying, described slow procedure for displaying is used for than the low frame rate of display of described imaging frame rate, reads view data from described memory cell continuously, and shows the view data of having read at described display unit.
10. imaging device as claimed in claim 9, also comprise storage control unit, be used for starting storing process in response to the 3rd instruction operation, described storing process is used for storing continuously in described memory cell by the view data of described image-generating unit with described imaging frame rate output.
11. imaging device as claimed in claim 10, wherein, described storage control unit finishes described storing process in response to the 4th instruction operation.
12. imaging device as claimed in claim 10, wherein, the scheduled time of described storage control unit when carrying out described slow procedure for displaying at described slow indicative control unit at the expiration, finish described storing process.
13. imaging device as claimed in claim 9, indicative control unit in the middle of also comprising, procedure for displaying in the middle of be used for carrying out one, described in the middle of procedure for displaying be used for be presented at described memory cell storage than the high frame rate of described imaging frame rate at described display unit and also by described slow indicative control unit it is not carried out the view data of described slow procedure for displaying.
14. imaging device as claimed in claim 3, wherein, the described first instruction operation and described second is instructed and operated is different in time same operation.
15. imaging device as claimed in claim 9 also comprises the data reduction unit, the time of experiencing when being used for carrying out imaging according to described image-generating unit, begins sequentially the data from described memory cell to be reduced from early data.
16. imaging device as claimed in claim 1, wherein, described slow indicative control unit is carried out described slow procedure for displaying to the view data of described image-generating unit imaging in a scheduled time.
17. imaging device as claimed in claim 16 also comprises command unit, is used to indicate to start described slow demonstration; Wherein, described slow indicative control unit is according to the moment that described command unit provides, and the view data of described image-generating unit taking continuously imaging starts described slow procedure for displaying.
18. imaging device as claimed in claim 17, wherein, described slow indicative control unit is carried out described slow procedure for displaying for the view data that the special time before the moment that is started described slow demonstration by described image-generating unit from described command unit indication begins imaging.
19. imaging device as claimed in claim 1 comprises detecting unit, for detection of the END instruction for described slow procedure for displaying; Wherein, when described detecting unit detected described END instruction for described slow procedure for displaying, described slow indicative control unit finished described slow procedure for displaying.
20. imaging device as claimed in claim 19, wherein, described direct indicative control unit starts described direct procedure for displaying after the described slow procedure for displaying that is through with by described slow indicative control unit.
21. imaging device as claimed in claim 19, wherein:
Described slow indicative control unit comprises the demonstration adjustment unit, is used for also its view data of carrying out described slow procedure for displaying being carried out the demonstration of jumping on the described display unit till by time point described image-generating unit imaging and detect described slow procedure for displaying END instruction up to described detecting unit; And
The described jump that described demonstration adjustment unit is carried out show finish after, described direct indicative control unit starts the described direct procedure for displaying by the view data of described image-generating unit imaging.
22. imaging device as claimed in claim 19,
Wherein:
When described image-generating unit finishes from the imaging of described slow indicative control unit shown view data on described display unit, come output image data by after reducing described imaging frame rate, continuously target being carried out imaging, till described direct indicative control unit begins to carry out described direct procedure for displaying
Described slow indicative control unit comprises the demonstration adjustment unit, be used in response to the 3rd instruction operation, show by view data described image-generating unit imaging and that till the time point of carrying out described the 3rd instruction operation, also it is not carried out described slow procedure for displaying; And
After the demonstration that described demonstration adjustment unit is carried out finished, described direct indicative control unit was to being carried out described direct procedure for displaying by the view data of described image-generating unit imaging.
23. imaging device as claimed in claim 19,
Wherein:
Described slow indicative control unit comprises the demonstration adjustment unit, is used for also it not being carried out the view data of described slow procedure for displaying than the high frame rate of described imaging frame rate till described display unit shows by time point described image-generating unit imaging and detect described slow procedure for displaying END instruction up to described detecting unit; And
After the demonstration that described demonstration adjustment unit is carried out finished, described direct indicative control unit was to being carried out described direct procedure for displaying by the view data of described image-generating unit imaging.
24. imaging device as claimed in claim 1, wherein:
Described slow indicative control unit is to show by the view data of described image-generating unit with the imaging of described imaging frame rate in first viewing area of described display unit than the low frame rate of display of described imaging frame rate; And
Described slow indicative control unit showed described view data in described first viewing area when, described direct indicative control unit showed by the view data of described image-generating unit with the imaging of described imaging frame rate in second viewing area of described display unit with the frame rate of display identical with described imaging frame rate.
25. imaging device as claimed in claim 24, wherein, in response to the operation of second recording instruction, described record control unit records the view data that is shown by described direct indicative control unit in described second viewing area in described record cell.
26. imaging device as claimed in claim 24, wherein, in response to described first recording instruction operation, described record control unit records the view data that is shown by described slow indicative control unit in described first viewing area in described record cell.
27. imaging device as claimed in claim 19, wherein, described detecting unit in meeting the following conditions any one the time, detect the END instruction for described slow procedure for displaying: if the operation of described first recording instruction; If exist the user to be used for finishing the instruction of described slow demonstration; If or the predetermined slow demonstration time begins to expire so far from described slow procedure for displaying.
28. imaging device as claimed in claim 19, wherein, if to all having carried out described slow procedure for displaying by described image-generating unit all images data of imaging in a scheduled time, then described detecting unit detects the END instruction for described slow procedure for displaying.
29. imaging device as claimed in claim 1, wherein, if to all having carried out described slow procedure for displaying by described image-generating unit all images data of imaging in a scheduled time, then described slow indicative control unit repeats the described slow procedure for displaying for described view data.
30. imaging device as claimed in claim 1 also comprises the change unit, is used for changing the described imaging frame rate that described image-generating unit is taken imaging continuously; Wherein, described image-generating unit is to carry out imaging by the altered described imaging frame rate in described change unit.
31. imaging device as claimed in claim 1 also comprises the change unit, is used for changing the slow demonstration time that described slow indicative control unit carries out described slow procedure for displaying; Wherein, by the altered slow demonstration time quantum in described change unit, described slow indicative control unit is carried out described slow procedure for displaying to the view data of being taken imaging by described image-generating unit continuously according to.
32. imaging device as claimed in claim 1 also comprises shutter release button, described shutter release button has half pressed state and complete pressed state;
Wherein:
Described slow indicative control unit is pressed at described shutter release button and starts described slow procedure for displaying when entering in its half pressed state, and is discharging pressing and described shutter release button is not pressed and finishing described slow procedure for displaying when entering in its complete pressed state of described shutter release button; And
Described record control unit is pressed when entering in its complete pressed state at described shutter release button, in response to described first recording instruction operation, the view data that record is shown by described slow indicative control unit in described record cell.
33. imaging device as claimed in claim 1 also comprises slow demonstration information display control unit, its demonstration is used to indicate the information of the view data of carrying out described slow procedure for displaying being carried out the moment of imaging.
34. imaging device as claimed in claim 1 also comprises the speed indicative control unit, is used for showing carrying out described slow speed of displaying by described slow indicative control unit.
35. imaging device as claimed in claim 1 also comprises slow demonstration time showing control unit, is used for showing the slow demonstration time of carrying out described slow demonstration by described slow indicative control unit.
36. an image formation control method comprises:
Catch the consecutive image of target according to being predetermined to be picture frame speed, and output image data based on this;
Carry out a direct procedure for displaying, described direct procedure for displaying is used for showing by carry out the view data that imaging is exported with described imaging frame rate at display unit with the frame rate of display identical with described imaging frame rate;
In response to first performed when directly showing the described direct procedure for displaying of the control processing execution instruction operation, by showing the view data of being exported with the frame rate of display lower than described imaging frame rate at described display unit, carry out slow procedure for displaying;
In response to recording instruction operation performed in described slow procedure for displaying, in the record cell record view data corresponding with the target image on being presented at described display unit.
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