CN104869307B - A kind of method and apparatus of shooting - Google Patents
A kind of method and apparatus of shooting Download PDFInfo
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- CN104869307B CN104869307B CN201510194113.4A CN201510194113A CN104869307B CN 104869307 B CN104869307 B CN 104869307B CN 201510194113 A CN201510194113 A CN 201510194113A CN 104869307 B CN104869307 B CN 104869307B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
Abstract
The invention discloses a kind of image pickup method and device, methods described includes:The rapid alternation time of preset sensor devices, the sensor devices quantity be two and more than;According to the preset rapid alternation time, the multiple sensor devices are switched over, and each sensor devices carries out IMAQ successively according to the rapid alternation time;Synthesize the multiple sensor devices acquired image.By setting multiple sensor devices time-sharing works, multiple sensor devices rapid alternations are not in the omission of optical information, so as to realize the uninterrupted sampling of information, can effectively eliminate the space between movement locus.Meanwhile, multiple sensor devices time-sharing works effectively reduce the thermal noise of sensor devices, improve picture quality, lift Consumer's Experience.
Description
Technical field
The present invention relates to areas of information technology, more particularly, to a kind of method and apparatus of shooting.
Background technology
When shooting prolonged exercise track using multiple synthetic technologys, one group tens, up to a hundred, an or even upper thousand sheets are shot
Photo, then by the software processing in later stage, photo superposition generates complete movement locus figure, such as star orbital etc..In actual bat
During taking the photograph, during multiple shootings, meeting producing ratio longer time interval between two photos, during the later stage synthesizes,
The discontinuous problem of movement locus occurs.Time interval is more long, and track discontinuous problem is more serious.Simultaneously as a long time
Movement locus is shot, causes sensor devices to work long hours, device temperature rises, and causes hot noise to increase, influence picture quality.
The content of the invention
It is a primary object of the present invention to provide a kind of method and apparatus, it is intended to solve the above problems, Consumer's Experience is lifted.
The present invention proposes a kind of method of shooting, including:
The rapid alternation time of preset sensor devices, the sensor devices quantity be two and more than;
According to the preset rapid alternation time, the multiple sensor devices are switched over, and each photoreceptor
Part carries out IMAQ successively according to the rapid alternation time;
Synthesize the multiple sensor devices acquired image.
Preferably, the rapid alternation time of the preset sensor devices, including:
Sensitive time s and read access time t according to the sensor devices, when the multiple sensor devices rapid alternation is set
Between S.
Preferably, it is described the multiple sensor devices are switched over according to the preset exposure time, and each
Sensor devices carry out IMAQ successively according to the rapid alternation time, also include:
Level crossing in photographing element is rotated by mechanical rotating shaft, the multiple sensor devices is carried out rapid alternation.
Preferably, the multiple sensor devices acquired image of synthesis, including:
After completing to shoot, by the multiple sensor devices acquired image, image conjunction is carried out according to its monochrome information
Into generation composograph;
Or, the image that the multiple sensor devices are collected persistently is read, schemed in real time according to its monochrome information
As synthesis, and the image of synthesis is shown in real time.
Preferably, it is when the quantity of the multiple sensor devices is two, then described according to the photosensitive of the sensor devices
Time s and read access time t, sets the multiple sensor devices rapid alternation time S, including:
When described two sensor devices are identical sensor devices, preset described two sensor devices rapid alternations
Time is S, then t<S<s;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, during reading
Between be t1, sensitive time of the second sensor devices is s2, and read access time is t2, preset described two sensor devices rapid alternations
Time is S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, during reading
Between be t1, sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, pre- described two sensor devices
The time of rapid alternation is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;Second sensor devices expose
Time be S2, then t2<S2<s2.
The present invention proposes that a kind of device includes photographing element, level crossing and mechanical rotating shaft simultaneously, wherein:
Photographing element, including multiple sensor devices, opto-electronic conversion is carried out for receiving light;
Microcomputer, is additionally operable to the rapid alternation time of preset the multiple sensor devices;
Level crossing, for reflection light to the photographing element;
Mechanical rotating shaft, for rotating the level crossing;
Image processor, is additionally operable to synthesize the multiple sensor devices acquired image.
Preferably, the microcomputer, is additionally operable to the rapid alternation time of preset sensor devices, including:
Sensitive time s and read access time t according to the sensor devices, when the multiple sensor devices rapid alternation is set
Between S.
Preferably, the mechanical rotating shaft, for the rotational plane mirror, including:
According to the microcomputer preset time for exposure, the level crossing is rotated, the direction of light is changed,
Reflex on the photographing element, so that the multiple sensor devices are able to rapid alternation.
Preferably, described image sensor devices, are additionally operable to synthesize the multiple sensor devices acquired image, including:
After completing to shoot, by multiple sensor devices acquired images, image synthesis is carried out according to its monochrome information, it is raw
Into composograph;
Or, the image that the multiple sensor devices are collected persistently is read, schemed in real time according to its monochrome information
As synthesis, and the image of synthesis is shown in real time.
Preferably, the sensitive time and read access time according to the sensor devices, the rapid alternation time is set,
Including:
When described two sensor devices are identical sensor devices, preset described two sensor devices rapid alternations
Time is S, then t<S<s;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, during reading
Between be t1, sensitive time of the second sensor devices is s2, and read access time is t2, preset described two sensor devices rapid alternations
Time is S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, during reading
Between be t1, sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, pre- described two sensor devices
The time of rapid alternation is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;Second sensor devices expose
Time be S2, then t2<S2<s2.
A kind of method provided by the present invention, by setting multiple sensor devices time-sharing works, multiple sensor devices replace
Exposure, is not in the omission of optical information, so as to realize the uninterrupted sampling of information, between can effectively eliminating movement locus
Space.Meanwhile, multiple sensor devices time-sharing works effectively reduce the thermal noise of sensor devices, improve picture quality, carry
Rise Consumer's Experience.
Brief description of the drawings
Fig. 1 is the module diagram of a terminal of offer of the invention;
Fig. 2 is the module diagram of filming apparatus first embodiment of the invention;
Fig. 3 is the sensor devices rapid alternation schematic diagram of filming apparatus first embodiment of the invention;
Fig. 4 is the working state schematic representation of filming apparatus first embodiment of the invention;
Fig. 5 is the flow chart of image pickup method first embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The schematic block diagram of the physical arrangement of a kind of terminal 1100 provided in an embodiment of the present invention, as shown in figure 1, the terminal
1100 include:
Fig. 1 is the block diagram of the essential electrical structure of the camera for representing an embodiment of the invention.Phtographic lens 101 by
Multiple optical lens for forming shot object image are constituted, and are single-focus lens or zoom lens.Phtographic lens 101 can pass through
Lens driving portion 111 moves in the direction of the optical axis, according to the control signal from lens driving control unit 112, controls photographic mirror
First 101 focal position, in the case of zoom lens, also controls focal length.Lens driving controls circuit 112 according to coming from
The control command of microcomputer 107 carries out the drive control in lens driving portion 111.
Formed on the optical axis of phtographic lens 101, by phtographic lens 101 and be configured near the position of shot object image shooting unit
Part 102.Photographing element 102 play as shot object image imaged and obtain image data image pickup part function.Taking the photograph
The photodiode for constituting each pixel is two-dimensionally arranged in a matrix on element 102.Each photodiode is produced and light
Corresponding opto-electronic conversion electric current is measured, the opto-electronic conversion electric current carries out charge accumulation by the capacitor being connected with each photodiode.
The preceding surface configuration of each pixel has the RGB colour filters that Bayer is arranged.
Photographing element 102 is connected with imaging circuit 103, and the imaging circuit 103 carries out charge accumulation in photographing element 102
Control and picture signal read control, and picture signal (analog picture signal) reduction to the reading resets the laggard traveling wave shape of noise
Shaping, and then gain raising etc. is carried out with as appropriate signal level.Imaging circuit 103 is connected with A/D converter sections 104, should
A/D converter sections 104 carry out analog-to-digital conversion to analog picture signal, (hereinafter referred to as scheme to the output digital image signal of bus 199
As data).
Bus 199 is the transmitting path for being transmitted in the various data of the inside reading or generation of camera.In bus 199
Be connected to above-mentioned A/D converter sections 104, be additionally connected to image processor 105, jpeg processor 106, microcomputer 107,
SDRAM (Synchronous DRAM) 108, memory interface (hereinafter referred to as memory I/F) 109, LCD (liquid crystal displays:
Liquid Crystal Display) driver 110.
The view data of 105 pairs of outputs based on photographing element 102 of image processor carries out OB and subtracts each other treatment, white balance tune
Whole, color matrix computing, gamma conversion, colour difference signal treatment, noise removal process, while change treatment, edge treated etc. are various
Image procossing.Jpeg processor 106 when by Imagery Data Recording in recording medium 115, according to JPEG compression mode compress from
The view data that SDRAM108 reads.Additionally, jpeg processor 106 carries out jpeg image number to carry out image reproducing to show
According to decompression.When being decompressed, file of the record in recording medium 115 is read, implemented in jpeg processor 106
After decompression, the view data of decompression is temporarily stored in SDRAM108 and is shown on LCD116.In addition,
In the present embodiment, JPEG modes are used as compression of images decompression mode, but compressed and decompressed mode is not limited
H.264 in this, it is of course possible to using MPEG, TIFF, other compressed and decompressed modes such as.
Microcomputer 107 plays the function as the overall control unit of the camera, is uniformly controlled the various treatment of camera
Sequence.Microcomputer 107 is connected to operating unit 113 and flash memory 114.
Operating unit 113 includes including but not limited to physical button or virtual key, and the entity or virtual key can be with
It is power knob, camera button, edit key, dynamic image button, reproduction button, menu button, cross key, OK button, deletion
The operating portion material such as the various load buttons such as button, large buttons and various enter keys, detects the operation shape of these operating portion materials
State,.
Testing result is exported to microcomputer 107.Additionally, being provided with tactile on the preceding surface of the LCD116 as display part
Panel is touched, the touch location of user is detected, the touch location is exported to microcomputer 107.Microcomputer 107 is according to next
From the testing result of the operating portion material of operating unit 113, various treatment sequences corresponding with the operation of user are performed.(it is same, can
Make testing result of the computer 107 according to the touch panel before LCD116 into this place, perform the operation with user
Corresponding various treatment sequences.)
Flash memory 114 stores the program of the various treatment sequences for performing microcomputer 107.Microcomputer 107
The overall control of camera is carried out according to the program.Additionally, flash memory 114 stores the various adjusted values of camera, microcomputer 107 reads
Adjusted value, the control of camera is carried out according to the adjusted value.SDRAM108 is can for carry out temporary transient storage to view data etc.
The volatile memory that electricity is rewritten.The SDRAM108 temporarily storages are from the view data of the output of A/D converter sections 104 and at image
View data after being processed in reason device 105, jpeg processor 106 etc..
Memory interface 109 is connected with recording medium 115, enters to be about to view data and the file being attached in view data
First-class data write-in recording medium 115 and the control read from recording medium 115.Recording medium 115 for example, can be in phase
The recording medium such as memory card of disassembled and assembled freely on owner's body, but not limited to this, or be built in camera main-body
Hard disk etc..
Lcd driver 110 is connected with LCD116, and the view data after being processed by image processor 105 is stored in
, it is necessary to when showing, the view data for reading SDRAM storages simultaneously shows SDRAM on LCD116, or, jpeg processor 106 is pressed
The view data for contracting is stored in SDRAM, and when display is needed, jpeg processor 106 reads the compressed picture number of SDRAM
According to, then decompressed, the view data after decompression is shown by LCD116.
LCD116 is configured on back side of camera main-body etc., is carried out image and is shown.The LCD116 is provided with touching for detection user
Touch the touch panel of operation.In addition, used as display part, what is configured in the present embodiment is that liquid crystal represents panel (LCD116),
But not limited to this, it would however also be possible to employ the various display panels such as organic EL.
Referring to Fig. 2, filming apparatus second embodiment of the invention is proposed, the present embodiment is repaiied on the basis of first embodiment
Change photographing element 102 ', increased level crossing 117 and mechanical rotating shaft 118.
Photographing element 102 ', receiving light for timesharing carries out opto-electronic conversion, the photographing element comprising two and more than
Sensor devices.
The photographing element can be CMOS (Complementary Metal Oxide Semiconductor, complementary gold
Category oxide semiconductor), CCD (Charge Coupled Device, charge-coupled image sensor) etc..
For example, CMOS when working, it is necessary to first resetted, then be sampled.Diode first will under illumination
Optical signal is converted to electric signal, if then read-out voltage value, then through over-sampling, coding, data signal is converted electrical signals to,
Raw image data can just be obtained.From the operation principle of CMOS it is recognised that CMOS needs to repeat reset, photosensitive and reading
The process of electric signal, when resetting and reading electric signal, CMOS cannot again receive light, and this results in lasting synthesis and shoots fortune
It is discontinuous during animation face, the problem of broken string especially occurs when movement locus as such such as star orbital is shot.Equally, CCD devices
Part shoots resultant motion track and there is also the problem.
Further, microcomputer 107, are additionally operable to the rapid alternation time of preset multiple sensor devices.
So that photographing element 102 ' is including two sensor devices as an example:
As shown in figure 3, carrying out reception light, i.e. different-time exposure at times using two sensor devices.It is photosensitive using first
Device and the second sensor devices are exposed at times.Different sensor devices are different because of its technique, and its photosensitive property also has difference
It is different, thus the maximum sensitive time supported be likely to difference;Equally, because of its technique difference, it reads sense to different cameras
The time of light data also differs.Assuming that sensor devices carry out the time of opto-electronic conversion, maximum time that can be photosensitive is s;Read
The time of power taking lotus is t;The time for exposure of single sensor devices is S when timesharing is photosensitive, then t<S<s.
Optionally, when two sensor devices are identical sensor devices, preset described two sensor devices alternately expose
The time of light is S, then t<S<s;
Optionally, when two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, is read
Time is t1, and the sensitive time of the second sensor devices is s2, and read access time is t2, preset described two sensor devices rapid alternations
Time be S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1;
Optionally, when two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, is read
Time is t1, and the sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, pre- described two photoreceptors
The time of part rapid alternation is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;Second sensor devices expose
The time of light is S2, then t2<S2<s2.
Level crossing 117, for the light that phtographic lens 101 is received to be reflected into multiple sensor devices.
Mechanical rotating shaft 118, for according to the preset time for exposure of microcomputer 107, rotational plane mirror 117 to make light
Direction change, reflex on photographing element, so that multiple sensor devices are able to rapid alternation.
When the first sensor devices carry out IMAQ, level crossing 117 turns to position as shown in Figure 2.Make light line reflection
Onto the first sensor devices, the first sensor devices start exposure, gather image information.Second sensor devices are in the shape that do not work
State.
When the first sensor devices time for exposure will at the end of, open the second sensor devices.
Terminate when the first sensor devices time for exposure, level crossing is rotated into position as shown in Figure 4 immediately.Second is photosensitive
Device proceeds by IMAQ.Image processor 105 preserves the acquired image of the first sensor devices, miniature calculating simultaneously
Machine 107 closes the first sensor devices.
When the second sensor devices time for exposure will at the end of, open the first sensor devices.
Terminate when the second sensor devices time for exposure, level crossing 117 is rotated into position as shown in Figure 2 immediately.First
Sensor devices proceed by IMAQ.Image processor 105 preserves the acquired image of the second sensor devices simultaneously, miniature
Computer 107 closes the second sensor devices.
The process of the first sensor devices and the second sensor devices rapid alternation more than repeating, until operating unit 113 is received
Instructed to terminating shooting.
Image processor 105, is additionally operable to synthesize the multiple sensor devices acquired image.
A/D converter 104 takes the image that multiple sensor devices are collected, and carries out image synthesis.Shot when star orbital etc. is carried out
When, the image synthesis mode is:Judge whether the brightness of the pixel in the current image of same position is more than in past image
Pixel brightness;If so, the pixel in the past image of same position is then replaced with the pixel in current image, accordingly
Carry out image synthesis.When carry out light paint etc. shoot when, the image synthesis mode is:From the picture number that multiple sensor devices are collected
In, select and meet pre-conditioned pixel, the pixel to same position performs add operation.Whether first determine whether the pixel
It is mutation pixel;If mutation pixel, then calculate it is described mutation pixel around predetermined number pixel luminance parameter it is average
Value, and whether the average value is judged more than threshold value, if being more than threshold value, judge that the mutation pixel meets pre-conditioned, select
The mutation pixel;If not whether mutation pixel, then determine whether the luminance parameter of the pixel more than threshold value, if being more than threshold
Value, then judge that the pixel meets pre-conditioned, selects the pixel.
Optionally, the synthesis of image can be RAW forms, it is also possible to be carried out again after RAW forms are converted into YUA forms
Synthesis.The specific form of image synthesis, is not limited herein.
Further, filming apparatus, by multiple sensor devices acquired images, are believed after completing to shoot according to its brightness
Breath carries out image synthesis, generates composograph.First multiple sensor devices acquired images are synthesized respectively, its synthesis side
Formula is replaced or the add operation to same position pixel brightness value for the pixel brightness value of same position.Again by multiple photoreceptors
View data after part each synthesizes is synthesized again, and its synthesis mode is the picture number after each synthesizing to multiple sensor devices
According to the pixel brightness value add operation for carrying out same position, then again divided by 2, when certain pixel brightness value of composograph is more than
When 255, then the pixel brightness value is set to 255.
Optionally, A/D converter 104 persistently reads the image that the multiple sensor devices are collected, and believes according to its brightness
Breath carries out real-time image synthesis, and the image of synthesis is shown in real time.
Further, when first composograph is synthesized, an initial basis image need to be determined, mobile terminal can load one
Pictures are used as initial basis image, it is also possible to which first image that will be collected is used as initial basis image.Generally, shooting
When just starting moment first image of generation, base image is not synthesized with the image for currently collecting.When generation the
During two images, just using first image as initial basis image, synthesized with the image for currently collecting and generated this
Second image, the like, image synthesizes N figure with the image for currently collecting based on N-1 image
Picture.Meanwhile, each image of display synthesis in real time on screen, user just can be with the shooting effect of real time inspection oneself.Clapping
Take the photograph before beginning or in shooting process, user can at any time load image based on a pictures, to carry out image synthesis.Example
Such as, before shooting starts, user is starting to clap from one picture having powerful connections of middle loading is locally stored as initial basis image
After taking the photograph, the image that filming apparatus will be collected currently is closed with current base image (initial basis image, that is, the picture for loading)
As first composograph, and using the composograph is as second base image of composograph of synthesis and shows in real time.
Optionally, multiple sensor devices acquired images can be synthesized a photo by image sensitive device, it is also possible to
Synthetic video, can be also used for other image procossings.The particular use of multiple sensor devices acquired images is not limited herein
System.
The device of the shooting of the present embodiment, by setting multiple sensor devices time-sharing works, multiple sensor devices alternately expose
Light, is not in the omission of optical information, so as to realize the uninterrupted sampling of information, can effectively eliminate the sky between movement locus
Gap.Meanwhile, multiple sensor devices time-sharing works effectively reduce the thermal noise of sensor devices, improve picture quality, lifting
Consumer's Experience.
In another embodiment, recording medium 115 is used to store the acquired image of photographing element 102, further, also
For the image synthesized by storage image processor 105.
It should be noted that:Above-described embodiment provide filming apparatus when being shot, only with above-mentioned each functional module
Division carry out for example, in practical application, can distribute complete by different functional modules by above-mentioned functions as needed
Into.
Above in conjunction with Fig. 1 to Fig. 4, the filming apparatus according to the present embodiment are described in detail, below in conjunction with Fig. 5,
Describe image pickup method according to embodiments of the present invention in detail.
S10:The rapid alternation time of preset sensor devices, the sensor devices are two, respectively the first sensor devices
With the second sensor devices;
The sensor devices can be CMOS (Complementary Metal Oxide Semiconductor, complementary gold
Category oxide semiconductor), CCD (Charge CoupledDevice, charge-coupled image sensor) etc..
For example, CMOS when working, it is necessary to first resetted, then be sampled.Diode first will under illumination
Optical signal is converted to electric signal, if then read-out voltage value, then through over-sampling, coding, data signal is converted electrical signals to,
Raw image data can just be obtained.From the operation principle of CMOS it is recognised that CMOS needs to repeat reset, photosensitive and reading
The process of electric signal, when resetting and reading electric signal, CMOS cannot again receive light, and this results in lasting synthesis and shoots fortune
It is discontinuous during animation face, the problem of broken string especially occurs when movement locus as such such as star orbital is shot.Equally, CCD devices
Part shoots resultant motion track and there is also the problem.
So that photographing element includes two sensor devices as an example:
As shown in figure 3, carrying out reception light, i.e. different-time exposure at times using two sensor devices.It is photosensitive using first
Device and the second sensor devices are exposed at times.Different sensor devices are different because of its technique, and its photosensitive property also has difference
It is different, thus the maximum sensitive time supported be likely to difference;Equally, because of its technique difference, it reads sense to different cameras
The time of light data also differs.Assuming that sensor devices carry out the time of opto-electronic conversion, maximum time that can be photosensitive is s;Read
The time of power taking lotus is t;The time for exposure of single sensor devices is S when timesharing is photosensitive, then t<S<s.
Optionally, when two sensor devices are identical sensor devices, preset described two sensor devices alternately expose
The time of light is S, then t<S<s;
Optionally, when two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, is read
Time is t1, and the sensitive time of the second sensor devices is s2, and read access time is t2, preset described two sensor devices rapid alternations
Time be S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1;
Optionally, when two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, is read
Time is t1, and the sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, pre- described two photoreceptors
The time of part rapid alternation is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;Second sensor devices expose
The time of light is S2, then t2<S2<s2.
S20:According to the preset exposure time, the first sensor devices of switching and the second sensor devices carry out IMAQ;
As shown in figure 1, according to preset exposure time, the level crossing in photographing element is rotated by mechanical rotating shaft, make first
Sensor devices and the second sensor devices carry out rapid alternation.
When the first sensor devices carry out IMAQ, level crossing turns to position as shown in Figure 1.Light is set to reflex to
On one sensor devices, the first sensor devices start exposure, gather image information.Second sensor devices are in off position.
When the first sensor devices time for exposure will at the end of, open the second sensor devices.
Terminate when the first sensor devices time for exposure, level crossing is rotated into position as depicted immediately.Second is photosensitive
Device proceeds by IMAQ.Simultaneous processor preserves the acquired image of the first sensor devices, and it is photosensitive to close first
Device.
When the second sensor devices time for exposure will at the end of, open the first sensor devices.
Terminate when the second sensor devices time for exposure, level crossing is rotated into position as shown in Figure 1 immediately.First is photosensitive
Device proceeds by IMAQ.Simultaneous processor preserves the photo of the second sensor devices, and closes the second sensor devices.
The process of the first sensor devices and the second sensor devices rapid alternation more than repeating, until receive termination shooting referring to
Order.
S30:Synthesize first sensor devices and the second sensor devices acquired image.
A/D converter 104 reads the image that multiple sensor devices are collected, and image conjunction is carried out in image processor 105
Into.When the shooting such as star orbital is carried out, the image synthesis mode is:Judging the brightness of the pixel in the current image of same position is
The brightness of the no pixel more than in past image;If so, then the pixel in the past image of same position is replaced with currently
Image in pixel, image synthesis is carried out accordingly.When carry out light paint etc. shoot when, the image synthesis mode is:Feel from multiple
In the view data that optical device is collected, select and meet pre-conditioned pixel, the pixel to same position performs add operation.
First determine whether whether the pixel is mutation pixel;If mutation pixel, then predetermined number around the mutation pixel is calculated
The average value of the luminance parameter of pixel, and judge that whether the average value, more than threshold value, if being more than threshold value, judges the mutation picture
Element meets pre-conditioned, selects the mutation pixel;If not mutation pixel, then determining whether the luminance parameter of the pixel is
It is no, if being more than threshold value, to judge that the pixel meets pre-conditioned more than threshold value, select the pixel.
Optionally, the synthesis of image can be RAW forms, it is also possible to be carried out again after RAW forms are converted into YUA forms
Synthesis.The specific form of image synthesis, is not limited herein.
Further, filming apparatus, by multiple sensor devices acquired images, are believed after completing to shoot according to its brightness
Breath carries out image synthesis, generates composograph.First multiple sensor devices acquired images are synthesized respectively, its synthesis side
Formula is replaced or the add operation to same position pixel brightness value for the pixel brightness value of same position.Again by multiple photoreceptors
View data after part each synthesizes is synthesized again, and its synthesis mode is the picture number after each synthesizing to multiple sensor devices
According to the pixel brightness value add operation for carrying out same position, then again divided by 2, when certain pixel brightness value of composograph is more than
When 255, then the pixel brightness value is set to 255.
Optionally, A/D converter 104 persistently reads the image that the multiple sensor devices are collected, and believes according to its brightness
Breath carries out real-time image synthesis, and the image of synthesis is shown in real time.
Further, when first composograph is synthesized, an initial basis image need to be determined, mobile terminal can load one
Pictures are used as initial basis image, it is also possible to which first image that will be collected is used as initial basis image.Generally, shooting
When just starting moment first image of generation, base image is not synthesized with the image for currently collecting.When generation the
During two images, just using first image as initial basis image, synthesized with the image for currently collecting and generated this
Second image, the like, image synthesizes N figure with the image for currently collecting based on N-1 image
Picture.Meanwhile, each image of display synthesis in real time on screen, user just can be with the shooting effect of real time inspection oneself.Clapping
Take the photograph before beginning or in shooting process, user can at any time load image based on a pictures, to carry out image synthesis.Example
Such as, before shooting starts, user is starting to clap from one picture having powerful connections of middle loading is locally stored as initial basis image
After taking the photograph, the image that filming apparatus will be collected currently is closed with current base image (initial basis image, that is, the picture for loading)
As first composograph, and using the composograph is as second base image of composograph of synthesis and shows in real time.
Optionally, multiple sensor devices acquired images can be synthesized a photo by image sensitive device, it is also possible to
Synthetic video, can be also used for other image procossings.The particular use of multiple sensor devices acquired images is not limited herein
System.
So as to, the image pickup method of the present embodiment, by setting multiple sensor devices time-sharing works, multiple sensor devices replace
Exposure, is not in the omission of optical information, so as to realize the uninterrupted sampling of information, between can effectively eliminating movement locus
Space.Meanwhile, multiple sensor devices time-sharing works effectively reduce the thermal noise of sensor devices, improve picture quality, carry
Rise Consumer's Experience.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer
Program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or combination software and hardware aspect
Embodiment form.And, the present invention can be used and wherein include the meter of computer usable program code at one or more
The computer journey implemented in calculation machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of sequence product.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification
It should be appreciated that these are only the preferred embodiments of the present invention, it is impossible to therefore the scope of the claims of the invention is limited,
Equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made, or be directly or indirectly used in
Other related technical fields, are included within the scope of the present invention.
Claims (8)
1. a kind of image pickup method, it is characterised in that including:
The rapid alternation time of preset sensor devices, the sensor devices quantity be two and more than;
According to the preset rapid alternation time, the multiple sensor devices are switched over, and each sensor devices is pressed
IMAQ is carried out successively according to the rapid alternation time;
The multiple sensor devices acquired image is synthesized into movement locus image;
Wherein, the rapid alternation time of the preset sensor devices, including:
Sensitive time s and read access time t according to the sensor devices, set the multiple sensor devices rapid alternation time S;
It is when the quantity of the multiple sensor devices is two, then described according to the sensitive time s of the sensor devices and reading
Time t, sets the multiple sensor devices rapid alternation time S, including:
When described two sensor devices are identical sensor devices, the time of preset described two sensor devices rapid alternations
Be S, then t<S<s;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, and read access time is
T1, the sensitive time of the second sensor devices is s2, and read access time is t2, the time of preset described two sensor devices rapid alternations
It is S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1.
2. image pickup method according to claim 1, it is characterised in that
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, and read access time is
T1, the sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, preset described two sensor devices are handed over
Time for exposure is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;The exposure of second sensor devices
Time is S2, then t2<S2<s2.
3. image pickup method according to claim 2, it is characterised in that the figure for being gathered the multiple sensor devices
As synthesizing movement locus image, including:
After completing to shoot, by the multiple sensor devices acquired image, image synthesis is carried out according to its monochrome information, it is raw
Into movement locus image;
Or, the image that the multiple sensor devices are collected persistently is read, carry out real-time image conjunction according to its monochrome information
Into, and the movement locus image of synthesis is shown in real time.
4. image pickup method according to claim 1, it is characterised in that described according to the preset exposure time, to described
Multiple sensor devices are switched over, and each sensor devices carries out IMAQ successively according to the rapid alternation time,
Also include:
Level crossing in photographing element is rotated by mechanical rotating shaft, the multiple sensor devices is carried out rapid alternation.
5. a kind of filming apparatus, it is characterised in that including photographing element, level crossing, microcomputer, image processor and machinery
Rotating shaft, wherein:
Photographing element, including multiple sensor devices, opto-electronic conversion is carried out for receiving light;
Microcomputer, is additionally operable to the rapid alternation time of preset the multiple sensor devices;
Level crossing, for reflection light to the photographing element;
Mechanical rotating shaft, for rotating the level crossing;
Image processor, is additionally operable to for the multiple sensor devices acquired image to synthesize movement locus image;
Wherein, the microcomputer, is additionally operable to the rapid alternation time of preset sensor devices, including:
Sensitive time s and read access time t according to the sensor devices, set the multiple sensor devices rapid alternation time S;
The sensitive time and read access time according to the sensor devices, the rapid alternation time is set, including:
When described two sensor devices are identical sensor devices, the time of preset described two sensor devices rapid alternations
Be S, then t<S<s;
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, and read access time is
T1, the sensitive time of the second sensor devices is s2, and read access time is t2, the time of preset described two sensor devices rapid alternations
It is S;Work as s1<S2, t1<During t2, then t2<S<s1;Work as s1<S2, t1>During t2, then t1<S<s1.
6. filming apparatus according to claim 5, it is characterised in that
When described two sensor devices are different sensor devices, the sensitive time of the first sensor devices is s1, and read access time is
T1, the sensitive time of the second sensor devices is s2, and read access time is t2;Wherein, s1<S2, preset described two sensor devices are handed over
Time for exposure is different, and the time of the first sensor devices exposure is S1, then t2<S1<s1;Second sensor devices expose
Time be S2, then t2<S2<s2.
7. filming apparatus according to claim 6, it is characterised in that the mechanical rotating shaft, for the rotational plane mirror,
Including:
According to the microcomputer preset time for exposure, the level crossing is rotated, the direction of light is changed, reflected
Onto the photographing element, so that the multiple sensor devices are able to rapid alternation.
8. filming apparatus according to claim 5, it is characterised in that described image sensor devices, being additionally operable to will be described more
Individual sensor devices acquired image synthesizes movement locus figure, including:
After completing to shoot, by multiple sensor devices acquired images, image synthesis, generation fortune are carried out according to its monochrome information
Dynamic trace image;
Or, the image that the multiple sensor devices are collected persistently is read, carry out real-time image conjunction according to its monochrome information
Into, and the movement locus image of synthesis is shown in real time.
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CN201510194113.4A CN104869307B (en) | 2015-04-22 | 2015-04-22 | A kind of method and apparatus of shooting |
PCT/CN2016/079840 WO2016169488A1 (en) | 2015-04-22 | 2016-04-21 | Image processing method and apparatus, computer storage medium and terminal |
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CN104869307B (en) * | 2015-04-22 | 2017-05-31 | 努比亚技术有限公司 | A kind of method and apparatus of shooting |
CN105847641A (en) * | 2016-03-29 | 2016-08-10 | 联想(北京)有限公司 | Imaging device, imaging method and electronic device |
CN109120835B (en) * | 2018-10-31 | 2020-10-16 | 锐芯微电子股份有限公司 | Image sensor pixel circuit and working method thereof |
CN111327835B (en) * | 2020-03-20 | 2021-07-09 | 合肥埃科光电科技有限公司 | Multi-line time-sharing exposure processing method and system for camera |
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CN1407792A (en) * | 2001-09-07 | 2003-04-02 | 三洋电机株式会社 | Camera device |
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