CN110446035A - A kind of camera dynamic shoots the test macro of fuzziness - Google Patents
A kind of camera dynamic shoots the test macro of fuzziness Download PDFInfo
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- CN110446035A CN110446035A CN201910882224.2A CN201910882224A CN110446035A CN 110446035 A CN110446035 A CN 110446035A CN 201910882224 A CN201910882224 A CN 201910882224A CN 110446035 A CN110446035 A CN 110446035A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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Abstract
The embodiment of the invention discloses the test macros that a kind of camera dynamic shoots fuzziness.The test macro includes: code-disc, is equipped with multiple with reference to icon；Motor, for driving the code-disc to rotate；Driving circuit, for providing the driving voltage of motor rotation；Microprocessor, it is connected to the driving circuit and code-disc, for providing motor control signal to the driving circuit, the driving circuit is used to drive the motor to rotate the code-disc with pre-set velocity according to the motor control signal, so that the reference icon on the code-disc that camera shooting to be measured is rotated with pre-set velocity is to obtain dynamic icon image, the dynamic icon image is used to analyze the dynamic shooting fuzziness of the camera to be measured.The embodiment of the present invention realizes efficient test camera dynamic shooting fuzziness.
Description
Technical field
The present embodiments relate to the test systems that camera measuring technology more particularly to a kind of camera dynamic shoot fuzziness
System.
Background technique
In the application fields such as aeroplane photography and mapping, camera be equipped on dynamic platform (such as: fixed-wing, rotor etc. nobody
Aircraft) take pictures operation when, from finally at the quality control requirements of figure, for the fuzzy of acquired photograph of dynamically taking pictures
Degree has particular requirement, and only fuzziness control within limits, just can guarantee the image data achievement ultimately generated
Quality can meet application demand and acceptance criteria.Therefore at the beginning of aerial survey system design, camera type selecting and camera are joined
Several determinations requires the simulation test for assisting realizing the shooting of its dynamic with tool, to test the motion blur of camera shooting
Degree.
Testing general method for this at present is, camera to be measured is mounted to test flight platform, for example a frame is consolidated
Determine on wing unmanned plane, carry out practical hang and fly, then analyze captured photo, determine whether its motion blur meets application demand,
Whether can be applied to specific project with this determining camera to be measured or is integrated into specific products.Processing mode in this way is come
Assess camera to be measured shooting motion blur, can obtain test result really, but for flying platform (such as: a frame is fixed
Wing unmanned plane), flying field, weather and investment test staff have corresponding requirement, implement required investment
Larger workload.
Summary of the invention
The embodiment of the present invention provides a kind of test macro of camera dynamic shooting fuzziness, to realize efficient test phase
Motor-driven state shoots fuzziness.
For this purpose, the embodiment of the invention provides the test macro that a kind of camera dynamic shoots fuzziness, the test
System includes:
Code-disc is equipped with multiple with reference to icon；Motor, for driving the code-disc to rotate；Driving circuit, for providing motor
The driving voltage of rotation；Microprocessor is connected to the driving circuit and code-disc, for providing motor control to the driving circuit
Signal processed, the driving circuit are used to drive the motor to rotate the code with pre-set velocity according to the motor control signal
Disk, so that the reference icon on the code-disc that camera to be measured shooting is rotated with pre-set velocity is to obtain dynamic icon image, it is described dynamic
State icon image is used to analyze the dynamic shooting fuzziness of the camera to be measured.
Further, the test macro further include: power supply, for providing work electricity to the motor and microprocessor respectively
Pressure.
Further, the shape of code-disc is circle, the multiple radially arranged with reference to icon.
Further, test macro further include: the circular magnet with motor coaxle setting is used for and the code-disc
Synchronized rotation；The magnetic degree sensor being electrically connected with the microprocessor, for obtaining angle speed when circular magnet rotation
Degree, the microprocessor are also used to confirm the radially arranged linear speed with reference to icon at different radii according to the angular speed
Degree, to provide the corresponding multiple linear velocities of the dynamic icon image for analysis.
Preferably, the magnetic degree sensor is at a distance from the circular magnet less than 2 millimeters.
Further, the microprocessor further includes the camera interface for connecting with the camera to be measured, described to be measured
Camera is used to that the dynamic icon image of shooting to be sent to the microprocessor by the camera interface.
Further, the focal plane of the camera to be measured and the code-disc are in same plane.
Optionally, which further includes display screen and display drive circuit, and the microprocessor is also used to control
The display drive circuit drives the display screen to be shown.
Further, the display screen is touch screen, and the display screen is for showing testing and control interface, the touch screen
Touch command is generated to the operation at testing and control interface according to user and is sent to the microprocessor.
Optionally, which further includes the host computer connecting with the microprocessor, and the microprocessor is also used to
It controls the host computer to be shown, the host computer is for sending control instruction to the microprocessor.
The embodiment of the present invention is by being equipped with multiple code-discs with reference to icon；For driving the motor of the code-disc rotation；With
In the driving circuit for the driving voltage for providing motor rotation；Microprocessor is connected to the driving circuit and code-disc, is used for institute
State driving circuit and motor control signal be provided, the driving circuit be used to being driven according to the motor control signal motor with
Pre-set velocity rotates the code-disc, so that the reference icon on the code-disc that camera to be measured shooting is rotated with pre-set velocity is dynamic to obtain
State icon image, the dynamic icon image are used to analyze the dynamic shooting fuzziness of the camera to be measured.Solves existing survey
The time-consuming and laborious problem of camera dynamic shooting fuzziness is tried, the effect that efficient test camera dynamic shoots fuzziness is realized
Fruit.
Detailed description of the invention
Fig. 1 is the module diagram of the test macro for the camera dynamic shooting fuzziness that the embodiment of the present invention one provides；
Fig. 2 is the module diagram of the test macro of camera dynamic shooting fuzziness provided by Embodiment 2 of the present invention；
Fig. 3 is the test macro shooting for the camera dynamic shooting fuzziness that the embodiment of the present invention one and embodiment two provide
The schematic diagram of dynamic icon image.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used to explain the present invention, rather than limitation of the invention.It also should be noted that for the ease of retouching
It states, only the parts related to the present invention are shown in attached drawing rather than entire infrastructure.
In addition, term " first ", " second " etc. can be used to describe herein various directions, movement, step or element etc.,
But these directions, movement, step or element should not be limited by these terms.These terms are only used to by first direction, movement, step
Rapid or element and another direction, movement, step or element are distinguished.For example, the case where not departing from scope of the present application
Under, First Speed difference can be known as to second speed difference, and similarly, it is poor second speed difference can be known as First Speed
Value.First Speed difference and second speed difference both speed difference, but it is not same speed difference.Term " the
One ", " second " etc. cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.In
In description of the invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
Embodiment one
As shown in figures 1 and 3, the embodiment of the present invention one provides a kind of test macro of camera dynamic shooting fuzziness,
The test macro includes code-disc 100, motor 200, driving circuit 210 and microprocessor 400.
Code-disc 100 is equipped with multiple with reference to icon 120.Preferably, the shape of code-disc 100 is circle, the multiple ginseng
It is radially arranged to examine icon 120.Motor 200 is for driving the code-disc 100 to rotate.Driving circuit 210 is for providing motor 200
The driving voltage of rotation.Microprocessor 400 is connected to the driving circuit 210 and code-disc 100.Microprocessor 400 is used for institute
It states driving circuit 210 and the control signal of motor 200 is provided.The driving circuit 210 is used to control signal according to the motor 200 and drive
It moves the motor 200 and the code-disc 100 is rotated with pre-set velocity, so that camera to be measured shoots the code-disc rotated with pre-set velocity
Reference icon 120 on 100 is to obtain dynamic icon image 110.The dynamic icon image 110 is for analyzing the phase to be measured
The dynamic of machine shoots fuzziness.
In the present embodiment, on circular code wheel 100 it is multiple with reference to icon 120 be multiple bar graphs with high contrast
Case.After camera shoots the candy strip, because the candy strip has high contrast, and arranged radially is pressed on circular code wheel 100,
Human eye or machine readily identify the fuzziness of the dynamic icon image 110 after shooting.Motor 200 is direct current generator.Micro process
Device 400 uses 32 single-chip microcontrollers, model STM32F103R8T6, operating voltage 3.3V, and system dominant frequency is set as 72MHz.It is micro-
The motor control signal that processor 400 issues is pulse width adjustment signal, and driving circuit 210 is according to pulse width duty ratio
Size driving motor 200 rotates at different rates, and the duty ratio of pulse width adjustment signal is bigger, and 200 revolving speed of motor is higher.
Specifically, including metal-oxide-semiconductor and the pulse width signal chip for controlling metal-oxide-semiconductor switch on driving circuit 210, pulse width signal chip is provided
The pulse width adjustment signal of different duty switches on duration and closing duration to control metal-oxide-semiconductor, corresponding
Identical motor speed, it is fixed, corresponding different motor turn that metal-oxide-semiconductor, which opens the duration and closes the ratio of duration,
Speed, metal-oxide-semiconductor opens the duration and closes the ratio of duration and is different to realize the high-speed switch of metal-oxide-semiconductor, and produces
Raw corresponding electric current driving motor 200 rotates.
Further, which further includes power supply 300, circular magnet 600 and magnetic degree sensor 500.Power supply 300
For giving the motor 200 and microprocessor 400 to provide operating voltage respectively.Circular magnet 600 is coaxially set with the motor 200
It sets, and is rotated at the same speed with the code-disc 100.Magnetic degree sensor 500 is electrically connected with the microprocessor 400, for obtaining
State angular speed when circular magnet 600 rotates.Microprocessor 400 is also used to confirm radially arranged ginseng according to the angular speed
The linear velocity of icon 120 at different radii is examined, to provide the corresponding multiple lines of the dynamic icon image 110 for analysis
Speed.Preferably, the magnetic degree sensor 500 is at a distance from the circular magnet 600 less than 2 millimeters.
In the present embodiment, power supply 300 includes two-way regulated power supply, and first via regulated power supply 320 exports 5V, the second electricity of 5A
It is depressed into motor 200, the second road regulated power supply 310 exports 3.3V, the first voltage of 3A to microprocessor 400, two-way regulated power supply
300 are all made of switching power source chip, and the components such as capacitor, inductance, the freewheeling diode of periphery is cooperated to build realization.Power supply 300 can
Width funtion with the 7V-20V for inputting external power supply, pressure stabilizing be required first voltage and second voltage, and export voltage
Low noise, low ripple, AC ripple≤10mV of first via regulated power supply 310, the AC ripple of the second road regulated power supply 320≤
20mV。
In addition, magnetic degree sensor 500 is Hall angular transducer, model MA730, MA730 chip is with 14
Result data output, angle measurement resolution ratio are 0.02 degree, and the operating temperature range of support is -40 degrees Celsius to 125 Celsius
Degree, the tachometric survey range of support are 0 rpm to 60,000 rpm.The magnetic degree sensor 500 passes through SPI
(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) and microprocessor 400 carry out data interaction.Circular magnet
600 be the radial circular magnet 600 that can be magnetized, which can survey in such a way that magnetic line of force angle incudes
The real-time angular for measuring the circular magnet 600 being fixedly and coaxially connected with motor 200 measures its rotation according to the variation of angle
The angular speed of speed, i.e. circular magnet 600 rotation, that is, the angular speed that motor 200 rotates.Magnetic degree sensor 500 and institute
The distance of circular magnet 600 is stated less than 2 millimeters to guarantee angle-measurement accuracy.
Further, the microprocessor 400 further includes the camera interface 700 for connecting with the camera to be measured, institute
Camera to be measured is stated for the dynamic icon image 110 of shooting to be sent to the microprocessor by the camera interface 700
400.The focal plane of the camera to be measured and the code-disc 100 are in same plane.
Optionally, which further includes display screen 800 and display drive circuit 810.The microprocessor 400 is also
The display screen 800 is driven to be shown for controlling the display drive circuit 810.Further, the display screen 800
For touch screen, the display screen 800 is for showing testing and control interface, and the touch screen is according to user to testing and control interface
Operation generates touch command and is sent to the microprocessor 400.
Specifically, when take pictures test when, it is necessary first to by camera to be measured installation be placed on and the test macro
There is the position of preset distance, and records the range data of the position.Then confirm that code-disc 100 is complete by camera to be measured
In the range of view-finder in camera to be measured, and confirm that the focal plane of camera to be measured is parallel to each other with 100 plane of code-disc
, finally it is arranged and records functional parameter of camera to be measured, such as shutter, aperture, ISO value and exposure compensating etc..On record
It states user after data and above-mentioned data can be input to microprocessor 400 by the testing and control interface in touch screen to wait point
Analysis continues the pre-set velocity that input needs code-disc 100 to rotate, and starts to carry out camera test.When motor 200 drives code-disc 100
After reaching preset rotation speed, controls camera to be measured and the different reference pictures with high contrast is shot to obtain Dynamic Graph
Logo image 110 after shooting, camera to be measured is connect by camera interface 700 with microprocessor 400, microprocessor 400 is made
Obtain the dynamic icon image 110 of shooting.Microprocessor 400 can be controlled by touch screen at this time according to the parameter sum number of record
Fuzziness is shot according to the dynamic for analyzing camera to be measured.
In an alternative em bodiment, the parameter of record and data can be transferred to the image point of profession by microprocessor 400
Analysis tool carries out detection comparison and the quantitative analysis of pixel scale with the dynamic shooting fuzziness of determination camera to be measured.
In an alternative em bodiment, microprocessor 400 and phase mechatronics, microprocessor 400 can directly control camera
It is shot without manually controlling, after the revolving speed of code-disc 100 reaches pre-set velocity, microprocessor 400 can be according to default
State modulator camera is shot.
Embodiment two
As shown in Figures 2 and 3, the embodiment of the present invention two advanced optimizes on the basis of the embodiment of the present invention one,
A kind of test macro of camera dynamic shooting fuzziness is provided, which includes code-disc 100, motor 200, driving circuit
210 and microprocessor 400.
Code-disc 100 is equipped with multiple with reference to icon 120.Preferably, the shape of code-disc 100 is circle, the multiple ginseng
It is radially arranged to examine icon 120.Motor 200 is for driving the code-disc 100 to rotate.Driving circuit 210 is for providing motor 200
The driving voltage of rotation.Microprocessor 400 is connected to the driving circuit 210 and code-disc 100.Microprocessor 400 is used for institute
It states driving circuit 210 and the control signal of motor 200 is provided.The driving circuit 210 is used to control signal according to the motor 200 and drive
It moves the motor 200 and the code-disc 100 is rotated with pre-set velocity, so that camera to be measured shoots the code-disc rotated with pre-set velocity
Reference icon 120 on 100 is to obtain dynamic icon image 110.The dynamic icon image 110 is for analyzing the phase to be measured
The dynamic of machine shoots fuzziness.
In the present embodiment, on circular code wheel 100 it is multiple with reference to icon 120 be multiple bar graphs with high contrast
Case.After camera shoots the candy strip, because the candy strip has high contrast, and arranged radially is pressed on circular code wheel 100,
Human eye or machine readily identify the fuzziness of the dynamic icon image 110 after shooting.Motor 200 is direct current generator.Micro process
Device 400 uses 32 single-chip microcontrollers, model STM32F103R8T6, operating voltage 3.3V, and system dominant frequency is set as 72MHz.It is micro-
The motor control signal that processor 400 issues is pulse width adjustment signal, and driving circuit 210 is according to pulse width duty ratio
Size driving motor 200 rotates at different rates, and the duty ratio of pulse width adjustment signal is bigger, and 200 revolving speed of motor is higher.
Specifically, including metal-oxide-semiconductor and the pulse width signal chip for controlling metal-oxide-semiconductor switch on driving circuit 210, pulse width signal chip is provided
The pulse width adjustment signal of different duty switches on duration and closing duration to control metal-oxide-semiconductor, corresponding
Identical motor speed, it is fixed, corresponding different motor turn that metal-oxide-semiconductor, which opens the duration and closes the ratio of duration,
Speed, metal-oxide-semiconductor opens the duration and closes the ratio of duration and is different to realize the high-speed switch of metal-oxide-semiconductor, and produces
Raw corresponding electric current driving motor 200 rotates.
Further, which further includes power supply 300, circular magnet 600 and magnetic degree sensor 500.Power supply 300
For giving the motor 200 and microprocessor 400 to provide operating voltage respectively.Circular magnet 600 is coaxially set with the motor 200
It sets, and is rotated at the same speed with the code-disc 100.Magnetic degree sensor 500 is electrically connected with the microprocessor 400, for obtaining
State angular speed when circular magnet 600 rotates.Microprocessor 400 is also used to confirm radially arranged ginseng according to the angular speed
The linear velocity of icon 120 at different radii is examined, to provide the corresponding multiple lines of the dynamic icon image 110 for analysis
Speed.Preferably, the magnetic degree sensor 500 is at a distance from the circular magnet 600 less than 2 millimeters.
In the present embodiment, power supply 300 includes two-way regulated power supply, and first via regulated power supply 320 exports 5V, the second electricity of 5A
It is depressed into motor 200, the second road regulated power supply 310 exports 3.3V, the first voltage of 3A to microprocessor 400, two-way regulated power supply
300 are all made of switching power source chip, and the components such as capacitor, inductance, the freewheeling diode of periphery is cooperated to build realization.Power supply 300 can
Width funtion with the 7V-20V for inputting external power supply, pressure stabilizing be required first voltage and second voltage, and export voltage
Low noise, low ripple, AC ripple≤10mV of first via regulated power supply 310, the AC ripple of the second road regulated power supply 320≤
20mV。
In addition, magnetic degree sensor 500 is Hall angular transducer, model MA730, MA730 chip is with 14
Result data output, angle measurement resolution ratio are 0.02 degree, and the operating temperature range of support is -40 degrees Celsius to 125 Celsius
Degree, the tachometric survey range of support are 0 rpm to 60,000 rpm.The magnetic degree sensor 500 passes through SPI
(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) and microprocessor 400 carry out data interaction.Circular magnet
600 be the radial circular magnet 600 that can be magnetized, which can survey in such a way that magnetic line of force angle incudes
The real-time angular for measuring the circular magnet 600 being fixedly and coaxially connected with motor 200 measures its rotation according to the variation of angle
The angular speed of speed, i.e. circular magnet 600 rotation, that is, the angular speed that motor 200 rotates.Magnetic degree sensor 500 and institute
The distance of circular magnet 600 is stated less than 2 millimeters to guarantee angle-measurement accuracy.
Further, the microprocessor 400 further includes the camera interface 700 for connecting with the camera to be measured, institute
Camera to be measured is stated for the dynamic icon image 110 of shooting to be sent to the microprocessor by the camera interface 700
400.The focal plane of the camera to be measured and the code-disc 100 are in same plane.
Optionally, which further includes the host computer 900 connecting with the microprocessor 400, the microprocessor
400, which are also used to control the host computer 900, is shown, the host computer 900 is for sending control instruction to the micro process
Device 400.
Specifically, when take pictures test when, it is necessary first to by camera to be measured installation be placed on and the test macro
There is the position of preset distance, and records the range data of the position.Then confirm that code-disc 100 is complete by camera to be measured
In the range of view-finder in camera to be measured, and confirm that the focal plane of camera to be measured is parallel to each other with 100 plane of code-disc
, finally it is arranged and records functional parameter of camera to be measured, such as shutter, aperture, ISO value and exposure compensating etc..On record
State user after data above-mentioned data can be input to host computer 900 with etc. it is to be analyzed, continue input and code-disc 100 needed to rotate
Pre-set velocity, and start to carry out camera test.After motor 200 drives code-disc 100 to reach preset rotation speed, camera pair to be measured is controlled
The different reference pictures with high contrast is shot to obtain dynamic icon image 110, after shooting, by phase to be measured
Machine is connect by camera interface 700 with microprocessor 400, and microprocessor 400 is made to obtain the dynamic icon image 110 of shooting.This
When the parameter and the supreme position machine 900 of data of 400 transmission log of microprocessor can be controlled by host computer 900, and by upper
The detection comparison and quantitative analysis that the image analysis software of profession in machine 900 carries out pixel scale are with the dynamic of determination camera to be measured
State shoots fuzziness.
In an alternative em bodiment, microprocessor 400 and phase mechatronics, microprocessor 400 can directly control camera
It is shot without manually controlling, after the revolving speed of code-disc 100 reaches pre-set velocity, microprocessor 400 can be according to default
State modulator camera is shot.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but present invention is not limited to the above embodiments, it without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of test macro for shooting fuzziness for testing camera dynamic characterized by comprising
Code-disc is equipped with multiple with reference to icon；
Motor, for driving the code-disc to rotate；
Driving circuit, for providing the driving voltage of motor rotation；
Microprocessor is connected to the driving circuit and code-disc, described for providing motor control signal to the driving circuit
Driving circuit is used to drive the motor to rotate the code-disc with pre-set velocity according to the motor control signal, so that phase to be measured
To obtain dynamic icon image, the dynamic icon image is used for the reference icon on code-disc that machine shooting is rotated with pre-set velocity
Analyze the dynamic shooting fuzziness of the camera to be measured.
2. test macro according to claim 1, which is characterized in that further include:
Power supply, for providing operating voltage to the motor and microprocessor respectively.
3. test macro according to claim 1, which is characterized in that the shape of the code-disc is circle, the multiple ginseng
It is radially arranged to examine icon.
4. test macro according to claim 3, which is characterized in that further include:
The circular magnet being arranged with the motor coaxle, for being rotated at the same speed with the code-disc；
The magnetic degree sensor being electrically connected with the microprocessor, for obtaining angular speed when circular magnet rotation, institute
Microprocessor is stated to be also used to confirm the radially arranged linear velocity with reference to icon at different radii according to the angular speed, with
The corresponding multiple linear velocities of the dynamic icon image for analysis are provided.
5. test macro according to claim 4, which is characterized in that the magnetic degree sensor and the circular magnet
Distance is less than 2 millimeters.
6. test macro according to claim 1, which is characterized in that the microprocessor further include for and it is described to be measured
The camera interface of camera connection, the dynamic icon image of shooting for being sent to by the camera to be measured by the camera interface
The microprocessor.
7. test macro according to claim 1, which is characterized in that at the focal plane of the camera to be measured and the code-disc
In same plane.
8. test macro according to claim 1, which is characterized in that further include display screen and display drive circuit, institute
It states microprocessor and is also used to control the display drive circuit and the display screen is driven to be shown.
9. test macro according to claim 8, which is characterized in that the display screen is touch screen, and the display screen is used
In display testing and control interface, the touch screen generates touch command to the operation at testing and control interface according to user and is sent to
The microprocessor.
10. test macro according to claim 1, which is characterized in that further include connect with the microprocessor it is upper
Machine, the microprocessor are also used to control the host computer and are shown, the host computer is for sending control instruction to described
Microprocessor.
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| CN113438469A (en) * | 2021-05-31 | 2021-09-24 | 深圳市大工创新技术有限公司 | Automatic testing method and system for security camera |
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| CN102692364A (en) * | 2012-06-25 | 2012-09-26 | 上海理工大学 | Blurring image processing-based dynamic grain measuring device and method |
| CN103149939A (en) * | 2013-02-26 | 2013-06-12 | 北京航空航天大学 | Dynamic target tracking and positioning method of unmanned plane based on vision |
| CN104104761A (en) * | 2013-04-10 | 2014-10-15 | 赛龙通信技术（深圳）有限公司 | Automatic detection system and detection method for mobile phone camera |
| CN104281848A (en) * | 2013-07-01 | 2015-01-14 | 佛山市顺德区顺达电脑厂有限公司 | Optical image correction system |
| CN108375384A (en) * | 2017-01-31 | 2018-08-07 | 亚德诺半导体集团 | Magnetic sensor locations with phase compensation measure |
| CN109727460A (en) * | 2019-03-19 | 2019-05-07 | 浙江芯源交通电子有限公司 | Capturing system based on traffic lights |
| CN211557400U (en) * | 2019-09-18 | 2020-09-22 | 深圳飞马机器人科技有限公司 | System for testing camera dynamic shooting ambiguity |
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| CN113438469A (en) * | 2021-05-31 | 2021-09-24 | 深圳市大工创新技术有限公司 | Automatic testing method and system for security camera |
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