Embodiment
Now, will the present invention more fully be described with reference to the accompanying drawing that exemplary embodiment of the present invention is shown.Yet the present invention can and should not be considered as being restricted to embodiment set forth herein with many multi-form embodiments, on the contrary, provides the present invention so that the disclosure content is comprehensively with complete, and will pass on principle of the present invention all sidedly to those skilled in the art.
With reference to figure 1, according to embodiments of the invention, the previous section of the digital filming device of digital camera 1 form comprises microphone MIC, auto heterodyne lamp 11, photoflash lamp 12, cable release button 13, pattern knob 14, view finder 17a, flash intensity transducer 19, mains switch 31, lens unit 20 and remote receiver 41.
Under self-timer mode, auto heterodyne lamp 11 was operated from the setting-up time cycle of time to the time of beginning capture images of pushing cable release button 13.When photoflash lamp 12 operation, the light intensity that 19 perception of flash intensity transducer are generated by photoflash lamp 12 and through the microcontroller 512 of Fig. 3 is sent to the light intensity of institute's perception the digital camera processor (DCP) 507 of Fig. 3.Remote receiver 41 receives command signal from the remote controller (not shown), for example takes command signal, and will take command signal through microcontroller 512 and be sent to DCP507.
Cable release button 13 has two levels.In other words, with reference to figure 6 and 7, at operation wide-angle zoom button 39
WWith telephoto zoom button 39
TAfterwards, when the user is pressed into first level lightly with cable release button 13, connect the first horizontal signal SH1 from cable release button 13.When the user is pressed into second level fully with cable release button 13, connect the second horizontal signal SH2 from cable release button 13.
With reference to figure 2, digital camera 1 according to the present invention comprises pattern knob 14, function button 15, manual focus/delete button 36, manual adjustment/reproduction/mute key 37, reproduction mode button 42, loud speaker SP, monitor button 32, focus lamp 33, view finder 17b, flash of light " wait " light 34, color LCD panel 35, wide-angle zoom button 39 automatically
W, telephoto zoom button 39
TWith external interface unit 21.
Pattern knob 14 1 the operator scheme that is used to choose a digital camera is such as simple screening-mode, program screening-mode, personage's screening-mode, night vision screening-mode, manually screening-mode, moving image capture pattern, user set pattern 14
MYWith recording mode 14
V
The user sets pattern 14
MYIt is the operator scheme of taking pictures and setting that the user is identified for each screening-mode.Recording mode 14
VBe only to be used for recorded voice, user's sound for example.Selecting recording mode 14
VAfterwards, when the user pushes cable release button 13, in storage card, produce audio file and voice data is stored in the audio file.When the user pushes cable release button 13 once more, stop stores audio data and setting audio file.
Function button 15 is used for the specific function of function digit camera 1, and function button 15 also is used as control button so that the motion of active cursor on the menu screen of management color LCD panel 35.
Under reproduction mode, if do not amplify the image of current demonstration, when the user pushes auto heterodyne/right button 15
RThe time, show next file on the forward direction.If the image of current demonstration is exaggerated, when the user pushes auto heterodyne/right button 15
RThe time, the viewing area of enlarged image is moved right.Under preview mode, if the user pushes self-timing/right button 15
R, then carry out the operation of autodyning, for example automatic shooting after 10.
Under reproduction mode, if the image of current demonstration is not exaggerated, when the user pushes photoflash lamp/left button 15
LThe time, show next file on the inverse direction.If the image of current demonstration is exaggerated, when the user pushes photoflash lamp/left button 15
LThe time, with the viewing area of enlarged image to moving to left.
Under preview mode, if the user pushes photoflash lamp/left button 15
L, then be provided for any Flash Mode of exposal model.
Under reproduction mode, if the image of current demonstration is exaggerated, when the user pushes microspur/to knob down 15
DThe time, the viewing area of the enlarged image that moves up.Under preview mode, the user can be by pushing microspur/to knob down 15
DAutomatic proximity focusing is set.
Under reproduction mode, when the image of current demonstration was exaggerated, recording/button 15 made progress if the user pushes
U, then move down the viewing area of enlarged image.Under preview mode, recording/button 15 makes progress if the user pushes
U, then when taking continuously, recording in 10 seconds is possible.
Under the setting pattern of preview mode, if the user pushes menu/selection ACK button 15 when effective cursor is positioned on the choice menus
M, then carry out operation corresponding to choice menus.
Manual adjustment/reproduction/mute key 37 is used for the manual adjustment of specified conditions.Under reproduction mode, when the user pushes manual adjustment/reproduction/mute key 37, can reproduce selected motion pictures files and maybe can stop its reproduction.
Manual focus/delete button 36 is used for manual focus or or deletion under screening-mode.
Monitor button 32 is used to control the operation of color LCD panel 35.For example, under screening-mode, when the user pushes monitor button 32, display image and photographing information on color LCD panel 35.When the user pushes monitor button 32 once more, close color LCD panel 35.Under reproduction mode,, on color LCD panel 35, show the photographing information of relevant this image file when the user pushes monitor button 32 simultaneously during the reproduced image file.When the user pushes monitor button 32 once more, display image only.
Reproduction mode button 42 is used for switching between reproduction mode and preview mode.
Automatic focus lamp 33 operations when adjusting focal length well.When the photoflash lamp 12 of Fig. 1 is in standby mode, 34 operations of flash of light " wait " light.Pattern indicator light 14
LThe preference pattern of expression pattern knob 14.
Fig. 3 is according to embodiments of the invention, the integrally-built schematic block diagram of the digital camera 1 of Fig. 1.Now, will the overall structure and the operation of the digital camera 1 of Fig. 1 be described referring to figs. 1 to 3.
Comprise the light of optical system (OPS) optical treatment of lens unit and filter elements from object.The lens unit of OPS comprises zoom lens, to focus lens and offset lens.
When the user pushes the wide-angle zoom button 39 that is included in user's input part (INP)
WOr telephoto zoom button 39
TThe time, will be corresponding to wide-angle zoom button 39
WOr telephoto zoom button 39
TSignal be sent to microcontroller 512.Microcontroller 512 Control Driver 510, zoom motor M thus turns round
ZThereby, mobile zoom lens.
In other words, push wide-angle zoom button 39 as the user
WThe time, the focal length of zoom lens shortens, and widens the visual angle thus.When the user pushes telephoto zoom button 39
TThe time, the focal length of zoom lens is elongated, and visual angle thus narrows down.Owing to adjust the position of focusing lens under the situation of the position that zoom lens are set, the visual angle is difficult to be subjected to the influence to the position of focus lens.
Under autofocus mode, the master controller that is built among the DCP 507 passes through microcontroller 512 Control Driver 510, thereby drives focusing motor M
FTherefore, when moving, the position to focus lens of the highest frequency component with picture signal is set, for example focusing motor M to focus lens
FA plurality of actuation step.
Do not operate the offset lens in the lens unit 20 of OPS individually, because offset lens compensates whole refractive index.Reference number M
AExpression is used to drive the motor of aperture (not shown).
The optics optical low-pass filter that is included in the filter elements of OPS is eliminated the high frequency optical noise.Be included in infrared cutting filter in the filter elements of OPS and stop the infrared component of incident light.
The semi-conductive photoelectric conversion unit of charge coupled device or CMOS (Complementary Metal Oxide Semiconductor) (CMOS) (OEC) will convert analog electrical signal to from the light of OPS.Wherein, DCP507 control timing circuit 502 is so that the operation of control OEC and relevant double sampling device and analog to digital converter (CDS-ADC) 501.CDS-ADC501 handles the analog signal from OEC, eliminates high-frequency noise, adjusts its amplitude, then analog signal conversion is become digital signal.
Real-time clock (RTC) 503 provides temporal information to DCP507.DCP507 handles from the digital signal of CDS-ADC501 and generates the digital picture that comprises brightness and chromatic value.
The control signal that response is generated by the DCP507 that comprises master controller is by microcontroller 512 operating light-emitting portions (LAMP).Illuminating part (LAMP) comprises auto heterodyne lamp 11, focus lamp 33, pattern indicator light 14 automatically
LWith flash of light " wait " light 34.User's input part INP comprises cable release button 13, pattern knob 14, function button 15, monitor button 32, manual focus/delete button 36, manual adjustment/reproduction/mute key 37, wide-angle zoom button 39
WWith telephoto zoom button 39
T
Dynamic random access memory (DRAM) 504 interim storages are from the data image signal of DCP507.Electrically Erasable Read Only Memory (EEPROM) 505 storage algorithm and setting data.The user storage card is inserted or shifts out memory card interface 506.To the structure of DRAM504 be described with reference to figure 6 after a while.
To be input to lcd driver 514 from the data image signal of DCP507, thus on color LCD panel 35 display image.
USB (USB) connector 21a that can be through being used for serial communication or through RS232C interface 508 and RS232C connector 21b sends the data image signal from DCP507.Also can send data image signal, as vision signal through audio filters 509 and video output unit 21c from DCP507.Wherein, DCP507 comprises master controller.
Audio process 513 can will be sent to DCP507 or loud speaker SP from the sound of microphone MIC.In addition, audio process 513 can output to loud speaker SP from DCP507 with audio signal.Microcontroller 512 responses are controlled the operation of photoflash controller 511 from the signal of flash intensity transducer 19, thereby drive photoflash lamp 12.
Fig. 4 is that example illustrates according to embodiments of the invention the flow chart of the main algorithm of the DCP507 of Fig. 3.Now, will be referring to figs. 1 to the 4 main algorithms of describing DCP507.
When to digital camera 1 power supply, initialization DCP507 (S1).In initialization (S1) afterwards, DCP507 carries out preview mode (S2).Under preview mode, on color LCD panel 35, show input picture.To describe the operation relevant in detail with reference to figure 5 after a while with preview mode.
When the first horizontal signal SH1 from cable release button 13 connects (S3), DCP507 carries out screening-mode (S4).To describe screening-mode (S4) algorithm in detail with reference to figure 8 after a while.
When input generates signal corresponding to the INP that sets pattern (S5), carry out the input signal that is used to respond from INP, the setting pattern (S6) of setting operation condition.When not generating termination signal, DCP507 continues to carry out following operation (S7).
When generating signal (S8), carry out reproduction mode (S9) by the reproduction mode button among the INP 42.Under reproduction mode, response is carried out and is reproduced operation from the input signal of INP.After a while, will reproduction mode (S9) algorithm be described with reference to figure 7 to 19.When stopping reproduction mode, repeat aforesaid operations.
Now, will preview mode (S2) algorithm shown in Figure 4 be described referring to figs. 1 to 3 and Fig. 5.
DCP507 upgrades preview image (S201) continuously.More particularly, DCP507 carries out Automatic white balance (AWB) and the parameter relevant with white balance is set.Under automatic exposure (AE) pattern, DCP507 comes the calculation exposure degree by measuring incident brightness, drives aperture CD-ROM drive motor MA according to the exposure of being calculated, and shutter speed is set.
DCP507 carries out view data behind gamma correction and the convergent-divergent gamma correction to satisfy display standard to input image data.DCP507 becomes brightness-chroma format with the input image data of convergent-divergent from RGB (red, green and blue) format conversion.DCP507 is according to resolution and show input image data wherein, handles input image data and filtered input image data.
DCP507 is stored in input image data among the DRAM504 of Fig. 3 and 6 temporarily.In " preview image " at the top of the DARM504 of Fig. 6, be stored as the input image data of preview image.Then, DCP507 synthesizes the data of interim storage in DRAM504 and shields demonstration (OSD) data.DCP507 converts the composograph data to brightness-chroma format and through the lcd driver 514 of Fig. 3, with the form output image data after the conversion from rgb format.
By all or part of repetitive operation S201, the DCP507 per second is the New Testament 30 frame preview images more, and the preview image behind the display update.The preview image that upgrades under preview mode with predetermined space is stored in the preview image memory shown in Figure 6.
More particularly, when upgrading preview image and on LCD display 35 during the preview image behind the display update, DCP507 determines whether predetermined time interval has crossed (S207).If determine predetermined time interval mistake, then current preview image be loaded in the preview image buffer shown in Figure 6 (S208).If there is not other space in the preview image memory, then deletion preview image is the earliest stored the preview image (S210) that loads then therein.If other space is arranged in the preview image memory, the preview image (S211) that storage therein loads.Repeat these operations with predetermined time interval.
As shown in Figure 4, the user can be provided with predetermined time interval (S6) under the setting pattern.The maximum number of the preview image that can store in the preview image memory depends on the size and the predetermined time interval of preview image memory.
As shown in Figure 6, the preview image memory can be included in the volatile memory of digital filming device, in DRAM504.In addition, if storage medium can read and write data fast enough, then the preview image memory can be arranged in the part storage medium.
In the present embodiment, the user is chosen at least one in the preview image of storing in the preview image memory, and selected preview image or a plurality of image are stored in the storage medium.
More particularly, DCP507 determines whether to receive user's input (S202) of watching the preview image of storing in the preview image memory.Import if receive the user, as shown in Figure 7, DCP507 shows the preview image of storage on LCD display 35.DCP507 waits for till the user is chosen in one or more in the preview image that shows on the LCD display 35 (S204).When the user selected one or more preview image, DCP507 was stored in preview image or a plurality of image of selecting in the storage medium.
In Fig. 7, press mark preview image in period with A to I, and on osd screen, show preview image C and the E that uses the scheduled operation button to select.Before in being stored in storage medium, can use preordering method to handle preview image (S205).This image processing comprise adjust preview image in case with take and be stored in image in the storage medium have identical about ratio, the compression preview image is so that take still less space, and other image processing operations are so that improve picture quality.
Preview image after the processing is stored in (S206) in the storage medium.With reference to figure 5, can be in search preview image under the preview mode and storage.Yet, can under other operator schemes, search for and store preview image, as long as can carry out these operations.For example, can under reproduction mode, carry out the search and the storage (S9) of preview image.
Screening-mode (S4) algorithm of Fig. 8 example key diagram 4.To this screening-mode (S4) algorithm be described referring to figs. 1 to 3 and 8.Wherein, be provided with the current location of zoom lens.
DCP507 checks the residue record space (S401) in the storage card, and whether definite storage card has the enough spaces (S402) that are used for the record digital image signal.When storage card does not have enough record space, the insufficient space of DCP507 indication storage card, and stop screening-mode (S403).When storage card has enough record space, carry out following operation.
DCP507 is provided with white balance according to the current shooting condition, and the setting parameter (S404) relevant with white balance.Under auto exposure mode (S405), DCP507 comes the calculation exposure degree by measuring incident brightness, drives aperture CD-ROM drive motor M according to the exposure of calculating
A, and the time for exposure (S406) is set.Under autofocus mode (S407), DCP507 carries out focusing automatically and drives focus lens (S408).
When the first horizontal signal SH1 from cable release button 13 connects (S409), DCP507 carries out following operation.
DCP507 discerns the second horizontal signal SH2 and whether connects (S410).When the second horizontal signal SH2 access failure, the expression user is not pressed into second level with cable release button 13 and takes.Then, DCP507 repeats S405 to S410.
When the second horizontal signal SH2 connected, the expression user was pressed into second level fully with cable release button 13.Then, DCP507 creates image file (S411) in the storage card as storage medium.Then, DCP507 capture images (S412).In other words, DCP507 receives static image data from CDS-ADC501.The static image data that receives is stored in " image of shooting " shown in Figure 6 temporarily.Then, the static image data (S413) of DCP507 compression reception.DCP507 is stored in (S414) in the image file with the static image data of compression.
As mentioned above, digital image processing apparatus according to the method for control figure image processing apparatus and this method of use, can prevent that the user from missing under preview mode the Unidentified good scene of user or promptly enabling identification, owing in time not carrying out the situation that shooting operation has been missed scene.
Although with reference to its exemplary embodiment, illustrate and described the present invention especially, those of ordinary skill in the art will recognize under situation about not deviating from as the spirit and scope of the present invention defined by the following claims, can make various changes aspect form and the details.
The present invention requires on November 19th, 2004, the priority of the korean patent application No.10-2004-0095050 that submits in Korea S Department of Intellectual Property, and its content is all introduced for your guidance at this.