CN110121021A - A kind of optical shutter system and its imaging method suitable for Rolling shutter camera - Google Patents
A kind of optical shutter system and its imaging method suitable for Rolling shutter camera Download PDFInfo
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- CN110121021A CN110121021A CN201910573691.7A CN201910573691A CN110121021A CN 110121021 A CN110121021 A CN 110121021A CN 201910573691 A CN201910573691 A CN 201910573691A CN 110121021 A CN110121021 A CN 110121021A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 67
- 238000003384 imaging method Methods 0.000 title claims abstract description 51
- 238000005286 illumination Methods 0.000 claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 206010019133 Hangover Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012805 post-processing Methods 0.000 description 1
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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
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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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
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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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
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
-
- 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
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/53—Control of the integration time
- H04N25/531—Control of the integration time by controlling rolling shutters in CMOS SSIS
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- Studio Devices (AREA)
Abstract
The invention discloses a kind of optical shutter systems and its imaging method suitable for Rolling shutter camera, including Rolling shutter camera, optical shutter trigger switch, LED driver, LED light source and optical filter；Rolling shutter camera and LED driver are connect with optical shutter trigger switch；LED light source is connect with LED driver, and optical filter is set in front of the camera lens of Rolling shutter camera.On the basis of Rolling shutter camera, by the opening and closing of control exposure, allows belt-type shutter camera to promote mobile imaging capability, be close to or up to the imaging level of global shutter camera；Solves the problems, such as the relatively slow caused exposure lag line by line of traditional Rolling shutter mechanical structure movement velocity, on the basis of having ensured that each row synchronizes exposure, it solves time for exposure too long caused mobile object imaging tailing problem by controlling the optical illumination time, provides the selection of more cost performance for the popularization of industrial machine vision technique.
Description
Technical field
The invention belongs to mobile object exposure image technical fields, and in particular to a kind of light suitable for Rolling shutter camera
Learn shutter system and its imaging method.
Background technique
Modern industrial technology is quickly grown, and the trend that full-automatic unmanned factory increasingly becomes industrial technological advancement becomes
Gesture.In the operating of production line, the automation and intelligence of many stations place one's entire reliance upon machine vision technique, and machine regards at present
The mainstream of feel be unable to do without a large amount of uses of industrial camera.The shutter selection of industrial camera at present is broadly divided into belt-type shutter and complete
Office's shutter, cheap, the cost performance protrusion of belt-type shutter camera；Global shutter camera it is at high price, but to movement
Object is taken pictures with inborn advantage.In present applications ' the tail must be taken, global shutter camera is in the high-end applications that mobile object is imaged
Effect is prominent；Rolling shutter camera then largely uses in low and middle-end application.And existing belt-type shutter mechanical structure movement
Speed results in slowly excessively exposes lag issues line by line.And during machine vision industry deeply promotes, both needed price just
The contradiction for preferably needing to solve mobile object imaging again is more and more prominent, how to utilize Rolling shutter camera, explores by various auxiliary
Aid method, which promotes its mobile object imaging capability, just becomes certainty.
Summary of the invention
For above-mentioned deficiency in the prior art, the optical shutter system provided by the invention suitable for Rolling shutter camera
And its imaging method solves asking for traditional belt-type shutter mechanical structure movement velocity relatively slow caused exposure lag line by line
Topic.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows: a kind of suitable for Rolling shutter camera
Optical shutter system, including Rolling shutter camera, optical shutter trigger switch, LED driver, LED light source and optical filter；
The LED driver is connect with the optical shutter trigger switch；
The LED light source is connect with the LED driver, before the optical filter is set to the camera lens of Rolling shutter camera
Side.
Further, the optical shutter system further includes camera lens and half-reflecting half mirror；
The camera lens is set to the front of the light emission direction of LED light source；
The semi-transparent semi-reflecting lens are set to the front of optical filter；And the setting direction of its setting direction and the optical filter and
The setting direction of camera lens all has angle.
Further, the angle between the angle and semi-transparent semi-reflecting lens and camera lens between the semi-transparent semi-reflecting lens and optical filter
The condition of satisfaction are as follows:
The camera lens of the Rolling shutter camera is less than LED light through the imageable target region after optical filter and semi-transparent semi-reflecting lens
The light that source issues is through the illumination region formed after camera lens and semi-transparent semi-reflecting lens.
Further, the semi-transparent semi-reflecting lens and the angle of optical filter in vertical direction are 45 °.
A kind of imaging method of the optical shutter system suitable for Rolling shutter camera, comprising the following steps:
S1, shooting signal is sent to Rolling shutter camera；
S2, under the control of shooting signal, start to expose line by line in shooting imageable target region by Rolling shutter camera
Image；
Wherein, the image in imageable target region is divided into N row by Rolling shutter camera；
S3, when be imaged target area in image in Nth row start to be exposed shooting after, pass through optical shutter trigger switch
It controls LED driver driving LED light source to shine, forms illumination region as the illumination of imageable target region；
S4, when the 1st row of the image in imaging target area is exposed before shooting terminates, pass through optical shutter trigger switch control
LED driver control LED light source processed stops shining, and stops as the illumination of imageable target region；
S5, when imaging target area in image the 1st row be exposed shooting after, after total read time, read
The imaging data of every row image is taken, and forms the image in targeted imaging region in Rolling shutter camera, completes optical shutter
The imaging of system.
Further, the total read time in the step S5 is the sensor readout time of image and the post-processing of image
The sum of time.
Further, the sensor readout time of described image is the summation of the row readout time of every row image；
The row readout time of every row image is that the row image is read from exposure shooting end to the row image data is completed
The time taken.
Further, the finishing time of described image is that Nth row image completes reading data to whole image completion number
According to the time of reading.
The invention has the benefit that optical shutter system provided by the invention suitable for Rolling shutter camera and its at
Image space method, by the opening and closing of control exposure, allows belt-type shutter camera to be promoted and moves on the basis of Rolling shutter camera
Dynamic imaging capability, is close to or up to the imaging level of global shutter camera；Solves traditional Rolling shutter mechanical structure movement speed
The problem of spending the relatively slow caused lag of exposure line by line, on the basis of having ensured that each row synchronizes exposure, when by controlling optical illumination
Between solve the time for exposure it is too long caused by mobile object imaging tailing problem, the popularization for industrial machine vision technique provides
The more selection of cost performance.
Detailed description of the invention
Fig. 1 is the optical shutter system construction drawing for being suitable for Rolling shutter camera in the present invention.
Fig. 2 is the imaging method implementation flow chart for being suitable for the optical shutter system of Rolling shutter camera in the present invention.
Imaging timing diagram when Fig. 3 is using optical shutter imaging system images of the invention.
Wherein: 1, Rolling shutter camera；2, optical shutter trigger switch；3, LED driver；4, optical filter；5, semi-transparent semi-reflecting
Mirror；6, camera lens；7, LED light source；8, imageable target region；9, illumination region.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, a kind of optical shutter system suitable for Rolling shutter camera, including Rolling shutter camera 1, light are fast
Door trigger switch 2, LED driver 3, LED light source 7 and optical filter 4；
LED driver 3 is connect with optical shutter trigger switch 2；LED light source 7 is connect with LED driver 3, and optical filter 4 is set
It is placed in front of the camera lens of Rolling shutter camera 1.
Above-mentioned optical shutter system further includes camera lens 6 and half-reflecting half mirror 5；Camera lens 6 is set to the luminous side of LED light source 7
To front；Semi-transparent semi-reflecting lens 5 are set to the front of optical filter 4；And the setting direction and mirror of its setting direction and optical filter 4
First 6 setting direction all has angle.
Rolling shutter camera 1 therein is a kind of camera that cost performance is excellent, but since its shutter opening uses
Roller shutter type, pixel are read by the way of reading line by line, cause its imaging time inconsistent, and image taking speed is low, to motive objects
Body imaging process is also easy to produce distortion and hangover limits its use scope；
Optical shutter trigger switch 2 is the key control unit of the system, starts work under the triggering for trigger signal of taking pictures
Make, the work for controlling LED driver starts LED light source, and then realizes accurate imaging；
LED driver 3 drives under the control of optical shutter trigger switch or closes shining for LED light source, and then control is
No formation illumination region；Wherein, LED driver out-put supply signal controls the flash time of LED light source；Since LED is characteristic
Sensitive semiconductor devices, and there is negative temperature characteristic, thus need to carry out it in application process steady-working state and
Protection, it is therefore desirable to which LED driver drives LED light source.
The light that optical filter 4 is suitable for that Rolling shutter is imaged is filtered, influence of the filtering environmental to light；
Camera lens 6 carries out light distribution adjusting to the light that LED light source 7 issues, so that light can be formed after semi-transparent semi-reflecting lens
Illumination region provides condition for good imaging；
The light that semi-transparent semi-reflecting lens 5 issue LED light source 7 can be achieved it is semi-transparent semi-reflecting, it is anti-by it with LED light source 7 in guarantee
While coaxial with Rolling shutter camera market after penetrating, it can ensure that illumination region can have enough illumination intensity, to roller shutter
1 imaging ray of shutter camera is semi-transparent semi-reflecting, it is ensured that does not influence image quality.
Angle and semi-transparent semi-reflecting lens 5 in order to there is good image quality, between above-mentioned semi-transparent semi-reflecting lens 5 and optical filter 4
The condition that angle between camera lens 6 meets are as follows: after the camera lens of Rolling shutter camera 1 is through optical filter 4 and semi-transparent semi-reflecting lens 5
Imageable target region is less than the light that LED light source 7 issues and penetrates the illumination region formed after camera lens 6 and semi-transparent semi-reflecting lens 5.It is therein
Imageable target region 8 is the imageable target of Rolling shutter camera 1；Illumination region 9 be LED light source issue light into cross camera lens 6
After being reflected after shaping using semi-transparent semi-reflecting lens 5, illumination zone is formed in detection target face, imaging target area can be covered
Domain.
In the present invention, semi-transparent semi-reflecting lens 5 and the angle of optical filter 4 in vertical direction are 45 °.
As shown in Fig. 2, the present invention also provides a kind of imaging sides of optical shutter system suitable for Rolling shutter camera
Method, comprising the following steps:
S1, shooting signal is sent to Rolling shutter camera；
S2, under the control of shooting signal, start to expose line by line in shooting imageable target region by Rolling shutter camera
Image；
Wherein, the image in imageable target region is divided into N row by Rolling shutter camera automatically；
S3, when be imaged target area in image in Nth row start to be exposed shooting after, pass through optical shutter trigger switch
It controls LED driver control LED light source to shine, the illumination region of formation is the illumination of imageable target region；
S4, when the 1st row of the image in imaging target area is exposed before shooting terminates, pass through optical shutter trigger switch control
LED driver control LED light source processed stops shining, and stops as the illumination of imageable target region；
S5, when imaging target area in image the 1st row be exposed shooting after, after total read time, read
The imaging data of every row image is taken, and forms the image in targeted imaging region in Rolling shutter camera, completes optical shutter
The imaging of system.
Total read time therein is the sum of sensor readout time and finishing time of image of image.It is also from
After the first row image pixel exposure process terminates, to Rolling shutter camera complete once photo taking terminate between time interval；
The sensor readout time of image is the summation of the row readout time of every row image；The time span reflects roller shutter
Shutter camera reads image information the time it takes after completing exposure shooting line by line；
The row readout time of every row image terminates from exposure shooting to completion row image data reading for the row image
Time；That reflects the picture signal reading capabilities of the row processing circuit of Rolling shutter camera；
The finishing time of image is the time that Nth row image completes that reading data completes reading data to whole image；
That reflects the speeds row image information of Rolling shutter camera splicing and read.
The imaging process of the system in order to better understand, when illustrating imaging when being imaged with the system in Fig. 3
Sequence；Other than the above three time, further includes the optical illumination time, resets reset time, in the ranks lag time and total run time；
The optical illumination time therein is to close triggering from illumination unlatching triggering to illumination to stop, and has light to enter roller shutter within the optical illumination time
Shutter camera, other than its length, no light enters Rolling shutter camera, therefore the Rolling shutter camera imaging time for exposure is complete
All dependent on the optical illumination time；Reset reset time starts exposure for the 1st row and starts, until when Nth row starts to expose experienced
Between, that reflects the exposure reset capabilities of Rolling shutter camera；In the ranks lag time exposes since lastrow image and takes
Adjacent next line starts to include the time interval for exposing shooting, and that reflects the exposure speeds in the ranks of Rolling shutter camera；Always
Runing time be from start exposure take complete the image taking time experienced, that reflects Rolling shutter camera complete one
Total time speed of secondary shooting operation.
In one embodiment of the invention, the semi-transparent of the LED light source of 880nm, the optical filter of 880nm and 880nm is utilized
When the optical shutter system of semi-reflective mirror composition shoots mobile object, the outgoing of 880nmLED light source in shooting process
Light, using the reflection of 880nm semi-transparent semi-reflecting lens, completes the photograph to illumination region after camera lens carries out spatial distribution adjusting
Bright, which is completely covered imageable target region, to form the good illumination to imageable target.Due to having used near-infrared
The optical illumination of 880nm wavelength and filtering imaging, therefore the influence that target area is imaged in external environmental light can be effectively reduced；Separately
On the one hand, it although the Rolling shutter camera of low cost exposes line by line on the time for exposure, results in when shooting mobile object
Its hangover of image and deformation optical shutter system that is serious, but utilizing invention to propose, not only can then allow the exposures of all rows
Time consistency overcomes pattern distortion, and the hangover that can reduce and reduce mobile object imaging by shortening the optical illumination time is existing
As.
The invention has the benefit that optical shutter system provided by the invention suitable for Rolling shutter camera and its at
Image space method, by the opening and closing of control exposure, allows belt-type shutter camera to be promoted and moves on the basis of Rolling shutter camera
Dynamic imaging capability, is close to or up to the imaging level of global shutter camera；Solves traditional Rolling shutter mechanical structure movement speed
The problem of spending the relatively slow caused lag of exposure line by line, on the basis of having ensured that each row synchronizes exposure, when by controlling optical illumination
Between solve the time for exposure it is too long caused by mobile object imaging tailing problem, the popularization for industrial machine vision technique provides
The more selection of cost performance.
Claims (8)
1. a kind of optical shutter system suitable for Rolling shutter camera, which is characterized in that including Rolling shutter camera (1), light
Shutter trigger switch (2), LED driver (3), LED light source (7) and optical filter (4)；
The LED driver (3) connect with the optical shutter trigger switch (2)；
The LED light source (7) connect with the LED driver (3), and the optical filter (4) is set to Rolling shutter camera (1)
In front of camera lens.
2. the optical shutter system according to claim 1 suitable for Rolling shutter camera, which is characterized in that the optics
Shutter system further includes camera lens (6) and half-reflecting half mirror (5)；
The camera lens (6) is set to the front of the light emission direction of LED light source (7)；
The semi-transparent semi-reflecting lens (5) are set to the front of optical filter (4)；And the setting of its setting direction and the optical filter (4)
The setting direction of direction and camera lens (6) all has angle.
3. being suitable for the optical shutter system of Rolling shutter camera according to right 2, which is characterized in that described semi-transparent semi-reflecting
The condition that angle between angle between mirror (5) and optical filter (4) and semi-transparent semi-reflecting lens (5) and camera lens (6) meets are as follows:
The camera lens of the Rolling shutter camera (1) is through the imageable target region (8) behind optical filter (4) and semi-transparent semi-reflecting lens (5)
The illumination region (9) formed afterwards less than the light that LED light source (7) issue through camera lens (6) and semi-transparent semi-reflecting lens (5).
4. the optical shutter system according to claim 2 suitable for Rolling shutter, which is characterized in that described semi-transparent semi-reflecting
Mirror (5) and the angle of optical filter (4) in vertical direction are 45 °.
5. a kind of imaging method of the optical shutter system suitable for Rolling shutter camera, which comprises the following steps:
S1, shooting signal is sent to Rolling shutter camera；
S2, under the control of shooting signal, start to expose the figure in shooting imageable target region line by line by Rolling shutter camera
Picture；
Wherein, the image in imageable target region is divided into N row by Rolling shutter camera；
S3, when be imaged target area in image in Nth row start to be exposed shooting after, controlled by optical shutter trigger switch
LED driver drives LED light source to shine, and forms illumination region as the illumination of imageable target region；
S4, when the 1st row of the image in imaging target area is exposed before shooting terminates, controlled by optical shutter trigger switch
LED driver, which controls LED light source, to be stopped shining, and is stopped as the illumination of imageable target region；
S5, after the 1st row of the image in imaging target area is exposed shooting, after total read time, read every
The imaging data of row image, and the image in Rolling shutter camera in formation targeted imaging region, complete optical shutter system
Imaging.
6. the imaging method of the optical shutter system according to claim 5 suitable for Rolling shutter camera, feature exist
In the total read time in the step S5 is the sum of sensor readout time and finishing time of image of image.
7. the imaging method of the optical shutter system according to claim 6 suitable for Rolling shutter camera, feature exist
In the sensor readout time of described image is the summation of the row readout time of every row image；
The row readout time of every row image terminates from exposure shooting to completion row image data reading for the row image
Time.
8. the imaging method of the optical shutter system according to claim 5 suitable for Rolling shutter camera, feature exist
In the finishing time of described image is the time that Nth row image completes that reading data completes reading data to whole image.
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| CN201910573691.7A CN110121021A (en) | 2019-06-28 | 2019-06-28 | A kind of optical shutter system and its imaging method suitable for Rolling shutter camera |
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| CN201910573691.7A CN110121021A (en) | 2019-06-28 | 2019-06-28 | A kind of optical shutter system and its imaging method suitable for Rolling shutter camera |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111027527A (en) * | 2019-11-21 | 2020-04-17 | 四川极智朗润科技有限公司 | Image feature identification method based on optical frequency features |
| CN111601046A (en) * | 2020-04-22 | 2020-08-28 | 惠州市德赛西威汽车电子股份有限公司 | Dark light environment driving state monitoring method |
| CN113438424A (en) * | 2021-06-04 | 2021-09-24 | 杭州海康威视数字技术股份有限公司 | Synchronous exposure processing method, device, system and equipment |
| CN114793271A (en) * | 2021-01-25 | 2022-07-26 | 华为技术有限公司 | Image acquisition device and brightness balance method |
| US20230063717A1 (en) * | 2021-08-31 | 2023-03-02 | Zebra Technologies Corporation | Devices, System, and Methods using Transflective Mirrors with Rolling Shutter Sensors |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031837A (en) * | 2004-07-23 | 2007-09-05 | 通用电气医疗集团尼亚加拉有限公司 | Method and apparatus for fluorescent confocal microscopy |
| CN101509759A (en) * | 2009-01-15 | 2009-08-19 | 上海交通大学 | Self-demarcating system and method for vision detecting system |
| CN101998059A (en) * | 2009-08-21 | 2011-03-30 | 三星电子株式会社 | Photographing apparatus and method |
| CN104604213A (en) * | 2013-09-04 | 2015-05-06 | 奥林巴斯医疗株式会社 | Imaging System |
| CN104735361A (en) * | 2013-12-19 | 2015-06-24 | 汤姆逊许可公司 | Method and apparatus for acquiring a set of images illuminated by a flash |
| CN104781717A (en) * | 2012-11-16 | 2015-07-15 | 分子装置有限公司 | System and method of acquiring images with a rolling shutter camera while asynchronously sequencing microscope devices |
| CN106063155A (en) * | 2014-02-14 | 2016-10-26 | 飞利浦灯具控股公司 | Coded light |
| CN107005628A (en) * | 2014-12-23 | 2017-08-01 | 英特尔公司 | The synchronization of Rolling shutter camera and dynamic flash lamp |
| CN108040212A (en) * | 2017-11-29 | 2018-05-15 | 长光卫星技术有限公司 | High-precision method for tracking target based on staggeredly Rolling shutter |
| WO2018171207A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳市光峰光电技术有限公司 | Display system |
| CN210120599U (en) * | 2019-06-28 | 2020-02-28 | 四川极智朗润科技有限公司 | Optical shutter system for rolling shutter camera |
-
2019
- 2019-06-28 CN CN201910573691.7A patent/CN110121021A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031837A (en) * | 2004-07-23 | 2007-09-05 | 通用电气医疗集团尼亚加拉有限公司 | Method and apparatus for fluorescent confocal microscopy |
| CN101509759A (en) * | 2009-01-15 | 2009-08-19 | 上海交通大学 | Self-demarcating system and method for vision detecting system |
| CN101998059A (en) * | 2009-08-21 | 2011-03-30 | 三星电子株式会社 | Photographing apparatus and method |
| CN104781717A (en) * | 2012-11-16 | 2015-07-15 | 分子装置有限公司 | System and method of acquiring images with a rolling shutter camera while asynchronously sequencing microscope devices |
| CN104604213A (en) * | 2013-09-04 | 2015-05-06 | 奥林巴斯医疗株式会社 | Imaging System |
| CN104735361A (en) * | 2013-12-19 | 2015-06-24 | 汤姆逊许可公司 | Method and apparatus for acquiring a set of images illuminated by a flash |
| CN106063155A (en) * | 2014-02-14 | 2016-10-26 | 飞利浦灯具控股公司 | Coded light |
| CN107005628A (en) * | 2014-12-23 | 2017-08-01 | 英特尔公司 | The synchronization of Rolling shutter camera and dynamic flash lamp |
| WO2018171207A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳市光峰光电技术有限公司 | Display system |
| CN108040212A (en) * | 2017-11-29 | 2018-05-15 | 长光卫星技术有限公司 | High-precision method for tracking target based on staggeredly Rolling shutter |
| CN210120599U (en) * | 2019-06-28 | 2020-02-28 | 四川极智朗润科技有限公司 | Optical shutter system for rolling shutter camera |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111027527A (en) * | 2019-11-21 | 2020-04-17 | 四川极智朗润科技有限公司 | Image feature identification method based on optical frequency features |
| CN111601046A (en) * | 2020-04-22 | 2020-08-28 | 惠州市德赛西威汽车电子股份有限公司 | Dark light environment driving state monitoring method |
| CN114793271A (en) * | 2021-01-25 | 2022-07-26 | 华为技术有限公司 | Image acquisition device and brightness balance method |
| WO2022156728A1 (en) * | 2021-01-25 | 2022-07-28 | 华为技术有限公司 | Image acquisition device and brightness balancing method |
| CN114793271B (en) * | 2021-01-25 | 2023-06-06 | 华为技术有限公司 | Image acquisition device and brightness balancing method |
| CN113438424A (en) * | 2021-06-04 | 2021-09-24 | 杭州海康威视数字技术股份有限公司 | Synchronous exposure processing method, device, system and equipment |
| CN113438424B (en) * | 2021-06-04 | 2022-07-08 | 杭州海康威视数字技术股份有限公司 | Synchronous exposure processing method, device, system and equipment |
| US20230063717A1 (en) * | 2021-08-31 | 2023-03-02 | Zebra Technologies Corporation | Devices, System, and Methods using Transflective Mirrors with Rolling Shutter Sensors |
| US11765472B2 (en) * | 2021-08-31 | 2023-09-19 | Zebra Technologies Corporation | Devices, system, and methods using transflective mirrors with rolling shutter sensors |
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