CN104869307B - A kind of method and apparatus of shooting - Google Patents

A kind of method and apparatus of shooting Download PDF

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Publication number
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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sensor devices
time
image
preset
rapid
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CN104869307A (en
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裴珺
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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Priority to CN201510194113.4A priority Critical patent/CN104869307B/en
Publication of CN104869307A publication Critical patent/CN104869307A/en
Priority to PCT/CN2016/079840 priority patent/WO2016169488A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry 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

A kind of method and apparatus of shooting
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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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1407792A (en) * 2001-09-07 2003-04-02 三洋电机株式会社 Camera device
CN1941918A (en) * 2005-09-30 2007-04-04 卡西欧计算机株式会社 Imaging device and imaging method
CN101540843A (en) * 2008-03-17 2009-09-23 索尼株式会社 Imaging device, signal processing method, and computer program
CN102428694A (en) * 2010-03-19 2012-04-25 松下电器产业株式会社 Image Capture Device, Image Processing Device And Image Processing Programme
US8497932B2 (en) * 2008-11-28 2013-07-30 Samsung Electronics Co., Ltd. Photographing apparatus and method having at least two photographing devices and exposure synchronization
CN103581625A (en) * 2013-10-28 2014-02-12 华中科技大学 Time-share parallel image collecting device and calibration method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2703267Y (en) * 2004-02-15 2005-06-01 林永全 Camera apparatus utilizing multiple photoreceptors
CN103905730B (en) * 2014-03-24 2015-11-25 努比亚技术有限公司 The image pickup method of mobile terminal and mobile terminal
CN104780324B (en) * 2015-04-22 2016-08-24 努比亚技术有限公司 A kind of method and apparatus of shooting
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1407792A (en) * 2001-09-07 2003-04-02 三洋电机株式会社 Camera device
CN1941918A (en) * 2005-09-30 2007-04-04 卡西欧计算机株式会社 Imaging device and imaging method
CN101540843A (en) * 2008-03-17 2009-09-23 索尼株式会社 Imaging device, signal processing method, and computer program
US8497932B2 (en) * 2008-11-28 2013-07-30 Samsung Electronics Co., Ltd. Photographing apparatus and method having at least two photographing devices and exposure synchronization
CN102428694A (en) * 2010-03-19 2012-04-25 松下电器产业株式会社 Image Capture Device, Image Processing Device And Image Processing Programme
CN103581625A (en) * 2013-10-28 2014-02-12 华中科技大学 Time-share parallel image collecting device and calibration method thereof

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