CN106454329A - Image acquisition detection system and method - Google Patents
Image acquisition detection system and method Download PDFInfo
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- CN106454329A CN106454329A CN201610947432.2A CN201610947432A CN106454329A CN 106454329 A CN106454329 A CN 106454329A CN 201610947432 A CN201610947432 A CN 201610947432A CN 106454329 A CN106454329 A CN 106454329A
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention relates to an image acquisition detection system and method. The image acquisition detection system comprises a signal acquisition module and a test source module connected to a digital high-definition transmission interface host end respectively, and a video image evaluation module connected between the signal acquisition module and the test source module; the test source module outputs a test source to the digital high-definition transmission interface host end, and the digital high-definition transmission interface host end outputs corresponding video image signals based on the test source; the signal acquisition module acquires video image signals in real time according to corresponding control signals of the video image evaluation module, and sends the video image signals to the video image evaluation module; and the video image evaluation module detects the quality of the video image signals to obtain an image quality detection result. The system and the method can accurately evaluate the video transmission quality of a digital high-definition transmission interface and position defects more efficiently.
Description
Technical field
The present invention relates to digital high-definition interface image acquisition technique field, more particularly to a kind of image acquisition detecting system
And method.
Background technology
Digital high-definition coffret is the digital pipe for transmitting high resolution audio and video, can the regarding of a lot of form of compatible transmission
Frequently, such as 1080P, 2K, 4K etc., can connect high definition playback equipment, such as：DVD player, blue light DVD player, hard disk is high
Clear player, the program source such as computer, satellite receiver, Set Top Box.Digital high-definition coffret can transmit audio frequency and shadow simultaneously
Message number, due to audio and video frequency signal adopt same cable, so can overcome VGA (Video Graphics Array),
The problem that the interface Audio video datas such as DVI (Digital Display Working Group) cannot be transmitted by single line,
The adapter of interface adopts single line to connect, and instead of the cable of the complexity of product behind, enormously simplify the installation of system.
But, due to interfacing complexity, the technical merit of each manufacturer and the implementation of digital high-definition coffret
There is difference.Particularly in China, various without permission or the product of Standard conformance test is introduced to the market, lead at present
The interconnecting property of digital high-definition transmission equipment is poor.And, the device category of Applied Digital high definition coffret and quantity are very
Many, but testing efficiency is low, also limit the development further of interface.
During realizing, inventor finds that in conventional art, at least there are the following problems：Traditional high-definition interface video
The subjective assessment of signal good and bad analysis Main Basiss observer, is transmitted to high definition coffret by observer to the image of screen
Quality is estimated.But subjective quality assessment is time-consuming, expensive, and is highly susceptible to the knowledge water of experimental situation, observer
The impact of the factors such as the self-conditions such as flat, itself hobby, evaluation result is often inaccurate and unstable.Secondly, LCD screen
The impact to final subjective scoring result for the quality is very big, and traditional method cannot avoid the interference of LCD screen it is impossible to accurately
The measurement video transmission quality of digital high-definition coffret and position defect.
Content of the invention
Based on this it is necessary to cannot accurately weigh the problem of digital high-definition interface image quality for conventional art, provide
A kind of image acquisition detecting system and method.
To achieve these goals, the embodiment of technical solution of the present invention is：
On the one hand, there is provided a kind of image acquisition detecting system, including connection digital high-definition coffret egress respectively
Signal acquisition module, test source module, and it is connected to the evaluation of video images between signal acquisition module and test source module
Module；
Test source module exports test source to digital high-definition coffret egress, is based on by digital high-definition coffret egress
Test source exports corresponding video signal；
Signal acquisition module according to the corresponding control signal of evaluation of video images module, Real-time Collection video signal,
And video signal is sent to evaluation of video images module；
Evaluation of video images module carries out quality testing process to video signal, obtains picture quality testing result；
Quality testing processes and includes the single frames to video signal/multiple frame acquisitions process, the process of image objective evaluation, diversity positioning
Process and relative analyses.
On the other hand, there is provided a kind of image acquisition detection method, comprise the following steps：
Export test source to digital high-definition coffret egress；
The LVDS signal that Real-time Collection is exported based on test source by digital high-definition coffret egress；
Quality testing process is carried out to LVDS signal, obtains picture quality testing result；It is right that quality testing process includes
The single frames of LVDS signal/multiple frame acquisitions process, the process of image objective evaluation, diversity localization process and relative analyses.
Technique scheme has the advantages that：
Image acquisition detecting system of the present invention and method, by using interface board in digital high-definition coffret egress equipment
The coffret being connected with liquid crystal display screen is as the border of test, it is to avoid the interference to test result for the liquid crystal display screen, accurately weighs
The video transmission quality of digital high-definition coffret, more efficiently positions defect, while reducing testing cost, saves survey
The substantial amounts of time and efforts of trial work Cheng Shi is so that test becomes simpler easy.
Brief description
Fig. 1 is the structural representation of image acquisition detecting system embodiment 1 of the present invention；
Fig. 2 is the structural representation of signal acquisition module in image acquisition detecting system embodiment 1 of the present invention；
Fig. 3 is the structural representation of evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention；
Fig. 4 is that in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention, image/video single frames is adopted
The functional sequence schematic diagram of collection module；
Fig. 5 is that in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention, image/video multiframe is adopted
The functional sequence schematic diagram of collection module；
Fig. 6 is image/video analysis mould in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention
The functional sequence schematic diagram of block；
Fig. 7 is the functional realiey structural representation of image acquisition detecting system embodiment 2 of the present invention；
Fig. 8 is video image analysis test schematic diagram in image acquisition detecting system embodiment 2 of the present invention；
Fig. 9 is the audio transmission quality test schematic diagram of image acquisition detecting system embodiment 2 of the present invention；
Figure 10 is that the image difference alienation of image acquisition detecting system embodiment 2 of the present invention positions schematic diagram；
Figure 11 is the schematic flow sheet of image acquisition detection method embodiment 1 of the present invention.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the first-selected embodiment of the present invention.But, the present invention can realize in many different forms however it is not limited to this paper institute
The embodiment of description.On the contrary, provide the purpose of these embodiments be make more thoroughly comprehensive to the disclosure.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body is it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items closing.
In order to technical scheme is clearly described, spy is to the abbreviation being related in various embodiments of the present invention and key
Term explains：
LVDS：Low-Voltage Differential Signaling, low-voltage differential signal.Using extremely low voltage
Amplitude of oscillation high speed differential transmission data, it is possible to achieve the connection of point-to-point or point to multi--point, has low-power consumption, low error rate, low
The features such as crosstalk and Low emissivity, its transmission medium can be copper PCB line or balanced cable.
MSE：Mean Squared Error, mean square error, is one kind more conveniently method weighing " mean error ", can
Intensity of variation with evaluating data.
PSNR：Peak Signal to Noise Ratio, Y-PSNR, a kind of image quality evaluation of full reference refers to
Mark, be based on corresponding pixel points between error, i.e. the image quality evaluation based on error sensitive.
SSIM：Structural Similarity Index, structural similarity, is a kind of measurement two width image similarities
Index.Structural information is defined as independent of brightness, contrast, reflection the angle that structural similarity index forms from image
The attribute of object structures in scene, and by distortion modeling be brightness, the combination of contrast and three different factors of structure.
D-SSIM：Dynamic structure similarity, is based on the objective evaluation algorithm adding colour model on the basis of SSIM, more suitable
Evaluation for high-definition image.
Egress：The receiving terminal of digital high-definition coffret, such as television set, flat board, smart mobile phone, notebook etc..
Evaluating objective quality：The method for objectively evaluating of picture quality with respect to subjective assessment for, according to using number
Method, founding mathematical models, and the quality of image is calculated by specific formula.
Image acquisition detecting system embodiment 1 of the present invention：
In order to solve the problems, such as that conventional art cannot accurately weigh digital high-definition interface image quality, the invention provides one
Plant image acquisition detecting system embodiment 1；Fig. 1 is the structural representation of image acquisition detecting system embodiment 1 of the present invention；As figure
Shown in 1, signal acquisition module, the test source module connecting digital high-definition coffret egress respectively can be included, and connect
Evaluation of video images module between signal acquisition module and test source module；
Test source module exports test source to digital high-definition coffret egress, is based on by digital high-definition coffret egress
Test source exports corresponding video signal；
Signal acquisition module according to the corresponding control signal of evaluation of video images module, Real-time Collection video signal,
And video signal is sent to evaluation of video images module；
Evaluation of video images module carries out quality testing process to video signal, obtains picture quality testing result；
Quality testing processes and includes the single frames to video signal/multiple frame acquisitions process, the process of image objective evaluation, diversity positioning
Process and relative analyses.
Specifically, as shown in figure 1, whole technical scheme is made up of two parts.The right be evaluation system, mainly by
LVDS signal acquisition module, evaluation of video images module and test source module composition.The left side is digital high-definition coffret egress,
As measurand.The invention provides the junction point of a kind of LVDS and liquid crystal display screen is as test border, it is to avoid liquid crystal display screen
The impact to test result of the aberration of curtain, colour cast, the defect such as fuzzy is it is achieved that lossless to the image of digital high-definition interface transmission
Collection and the method for quick detection.System is mainly by LVDS signal acquisition module, evaluation of video images module and test source mould
Block.
This it is used LVDS can largely save that subjective testing efficiency is low, screen pair as the mode on test border
Interference of test result etc. bothers, and while reducing testing cost, saves the substantial amounts of time and efforts of Test Engineer, makes
The test of the image transmitting quality that must be directed to digital high-definition coffret becomes simpler easy.
Fig. 2 is the structural representation of signal acquisition module in image acquisition detecting system embodiment 1 of the present invention；As Fig. 2 institute
Show, in a specific embodiment, signal acquisition module is LVDS signal acquisition module；LVDS signal acquisition module and numeral
The LVDS output interface of high definition coffret egress is connected；Video signal is LVDS signal.
The Specifications of LVDS signal acquisition module can be as follows：
Analog signal channel：The port number of gathered data is 32 passages, extends to 64 passages；
Sampling word length：16；
Signal amplitude：0-5V；
Single channel highest sample rate：50KHz；
Total sampling rate：It is not more than 2MHz；
Sampling error：It is not more than one thousandth；
Memory capacity：Not less than 1Gbyte；
Input impedance：About 2M Ω；
Data/address bus type：LVDS bus.
Acquisition module chooses FPGA as main control module, realizes collection, the data of digital high-definition coffret LVDS signal
Storage and upload.Because FPGA has process, abundant I/O and the resource of high speed, can be with the substantial amounts of data signal of parallel processing.
Specifically, connect by using the LVDS that interface board in digital high-definition coffret egress equipment is connected with liquid crystal display screen
Mouthful, as the border of test, it is to avoid the interference to test result for the liquid crystal display screen, can accurately weigh digital high-definition coffret
Video transmission quality, more efficiently positions defect.
In a specific embodiment, signal acquisition module includes FPGA main control module；
FPGA main control module carries out parallel acquisition and image reconstruction process to LVDS signal, and by the LVDS signal after processing
It is transferred to evaluation of video images module.
Specifically, choose FPGA (Field-Programmable Gate Array) as main control module, Ke Yishi
The collection of existing digital high-definition coffret LVDS signal, data storage and upload.Because FPGA has the process of high speed, abundant
I/O and resource, can be with the substantial amounts of data signal of parallel processing it is achieved that gather to the video lossless that egress interface is processed.
Simultaneously, it is possible to use SoC SOC(system on a chip) (System-on-a-chip) is realizing signal in various embodiments of the present invention
The function of acquisition module, by carrying out parallel acquisition and image reconstruction to LVDS signal.FPGA acquisition module possesses preservation 16 frames
The caching capabilities of image, can assess the characteristics such as video flowing interframe shake, and possess image Real-time Reconstruction, can external connection monitors real-time
Observation test result.
Fig. 3 is the structural representation of evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention；As figure
Shown in 3, evaluation of video images module video image evaluation module can include 5 big module (image/video single frames acquisition module, figures
As video multiple frame acquisitions module, display module, image/video diversity locating module and image/video analysis module), mainly
It is acquisition module can be controlled, and it is fixed to realize the single frames/multiple frame acquisitions of image/video, image objective evaluation, diversity
Position and result chart show.
In a specific embodiment, evaluation of video images module can include image/video single frames acquisition module, figure
As video multiple frame acquisitions module and display module；
Image/video single frames acquisition module exports the first acquisition controlling signal, signal acquisition module root to signal acquisition module
According to the first acquisition controlling signal, video signal is carried out with the Real-time Collection of static frame of video；
Image/video multiple frame acquisitions module exports the second acquisition controlling signal, signal acquisition module root to signal acquisition module
According to the second acquisition controlling signal, video signal is carried out with the Real-time Collection of multi-frame video frame；Image/video multiple frame acquisitions mould
Tuber, according to the transmission frame per second of multi-frame video frame, carries out the checking of frame losing or shake, and exports the result to video signal；
Display module is shown in real time to the static frame of video collecting or multi-frame video frame.
Fig. 4 is that in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention, image/video single frames is adopted
The functional sequence schematic diagram of collection module；As shown in Figure 4：Signal acquisition module realizes LVDS signal using FPGA high-speed collection card
Lossless collection, and host computer is uploaded to by DLL (Dynamic Link Library)；When starting frame of video acquisition module, if
Standby Information needs the identification number (non-NULL) of display device；Upper computer software is limited by FPGA capture card performance, and collection every time uploads
The lossless frame of video of 1080P time longer, about 16s.
Fig. 5 is that in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention, image/video multiframe is adopted
The functional sequence schematic diagram of collection module；As shown in Figure 5：Signal acquisition module can realize LVDS letter using FPGA high-speed collection card
Number lossless collection, and host computer is uploaded to by DLL；When starting frame of video acquisition module, facility information hurdle needs display device
Identification number (non-NULL)；Upper computer software is limited by FPGA capture card performance, the lossless frame of video of the 1080P that collection uploads every time
Time longer, about 16s, thus multi-frame video frame collection time longer, about at 2 minutes；Image/video multiple frame acquisitions
Module is mainly verified to the transmission frame per second of high-definition interface video flowing, has evaluated whether frame losing and jitter phenomenon.And due to
FPGA capture card is that annular refreshes collection mechanism, therefore need to gather start frame and abort frame, using elapsed time interval calculation phase
The frame per second answered.
Specifically, evaluation of video images module can include image/video single frames acquisition module, image/video multiframe is adopted
Collection module and display module, are mainly controlled to acquisition module, and realize the single frames/multiple frame acquisitions of image/video, figure
As objective evaluation, diversity positioning and result chart show.Evaluation module mainly establishes D-SSIM model to lossless collection
Picture signal is analyzed with reference value, obtains the result consistent with subjective assessment；
In a specific embodiment, evaluation of video images module also includes image/video analysis module；
Image/video analysis module is according to default SSIM model, the ginseng that video signal is exported with test source module
The source of examining is analyzed, and obtains the result of relative analyses.
In a specific embodiment, default SSIM model is D-SSIM model.
Specifically, the present invention is directed to the deficiency of SSIM, in conjunction with the color of the high-resolution of high definition coffret, video image
Degree and saturation feature are it is proposed that improved video objective evaluation algorithms (D-SSIM).This model, on the basis of SSIM, combines
The color information of high-definition image, and construct for the factor as the SSIM class of algorithms, by deep learning to different high definition device
It is trained, make the result of model evaluation accurately, measuring stability is good.
Fig. 6 is image/video analysis mould in evaluation of video images module in image acquisition detecting system embodiment 1 of the present invention
The functional sequence schematic diagram of block；As shown in Figure 6：Reference video frame need to carry out two field picture by video jukebox software before testing and cut
Take；Because PSNR, MSE and SSIM all carry out hybrid programming by Matlab algorithm and C#, therefore test machine should be installed Matlab and hold
Row bag and .NET4.0；Video frame images and reference frame image are the still image of 1920x1080 and 32bit, therefore PSNR,
The execution time of MSE and SSIM algorithm, the time that is loaded into was longer, but algorithm execution time is all in 1s by getImage time restriction
Within.
In a specific embodiment, evaluation of video images module also includes image/video diversity locating module；
Image/video diversity locating module carries out diversity localization process to video signal, and exports difference positioning
Result.
In a specific embodiment, test source is 1080p, 2k4k video source.
Specifically, test source can have chosen 1080p, 2k4k video source as test source；Test source module mainly may be used
To realize：1) export to egress equipment as test source；2) as reference source, it is supplied to image/video analysis module, in order to
Contrast.
Image acquisition detecting system embodiment 1 of the present invention, by using interface in digital high-definition coffret egress equipment
The coffret that plate is connected with liquid crystal display screen is as the border of test, it is to avoid the interference to test result for the liquid crystal display screen, accurately weighs
The video transmission quality of amount digital high-definition coffret, more efficiently positions defect, while reducing testing cost, saves
The substantial amounts of time and efforts of Test Engineer is so that test becomes simpler easy.
Image acquisition detecting system embodiment 2 of the present invention：
In order to solve the problems, such as that conventional art cannot accurately weigh digital high-definition interface image quality, the present invention provides and also carries
Supply a kind of image acquisition detecting system embodiment 2；Fig. 7 is the functional realiey of image acquisition detecting system embodiment 2 of the present invention
Structural representation；As shown in Figure 7：The embodiment of the present invention 2 passes through LVDS interface, and evaluation system is HD6M181-S-L2 TV plate
The video signal Real-time Collection of digital high-definition interface transmission is out, and by the relative analyses module of evaluation system, permissible
Fast and accurately realize the video image quality of digital high-definition interface transmission is estimated.
Wherein, Fig. 8 is video image analysis test schematic diagram in image acquisition detecting system embodiment 2 of the present invention；Fig. 9 is
The audio transmission quality test schematic diagram of image acquisition detecting system embodiment 2 of the present invention；Figure 10 examines for image acquisition of the present invention
The image difference alienation positioning schematic diagram of examining system embodiment 2；The invention provides the junction point of a kind of LVDS and liquid crystal display screen is made
For testing border, it is to avoid the impact to test result of the aberration of LCD screen, colour cast, the defect such as fuzzy is it is achieved that to numeral
The lossless collection of image of high-definition interface transmission and the method for quick detection.System mainly by LVDS signal acquisition module, regard
Frequency image evaluation module and test source module.This be used LVDS as test border mode can largely save master
See that testing efficiency is low, screen to troubles such as the interference of test result, while reducing testing cost, save Test Engineer
Substantial amounts of time and efforts is so that the test for the image transmitting quality of digital high-definition coffret becomes simpler easy
OK.
Image acquisition detecting system embodiment 2 of the present invention, by way of LVDS interface, as digital high-definition coffret
Test border, it is to avoid the impact of LCDs, accurately assessment interface transmission video quality.Using the collection of high speed FPGA
LVDS interface signal, realizes the real-time and lossless collection to digital high-definition coffret egress signal, as enforcement objective evaluation
The precondition of method.
Image acquisition detection method embodiment 1 of the present invention：
Based on the technological thought of each embodiment of images above acquisition testing system, simultaneously cannot be accurate in order to solve conventional art
Really weigh the problem of digital high-definition interface image quality, present invention also offers a kind of image acquisition detection method embodiment 1；Figure
11 is the schematic flow sheet of image acquisition detection method embodiment 1 of the present invention；As shown in figure 11, may comprise steps of：
Step S110：Export test source to digital high-definition coffret egress；
Step S110：The LVDS signal that Real-time Collection is exported based on test source by digital high-definition coffret egress；
Step S110：Quality testing process is carried out to LVDS signal, obtains picture quality testing result；Quality testing is processed
Including processing to the single frames of LVDS signal/multiple frame acquisitions, image objective evaluation is processed, diversity localization process and to score
Analysis.
In a specific embodiment, the step that LVDS signal is analyzed can be included：
According to D-SSIM model, LVDS signal is analyzed with default reference source, obtains the knot of relative analyses
Really.Default reference source is test source module transfer to evaluation of video images module.
Image acquisition detection method embodiment 1 of the present invention, by using interface in digital high-definition coffret egress equipment
The coffret that plate is connected with liquid crystal display screen is as the border of test, it is to avoid the interference to test result for the liquid crystal display screen, accurately weighs
The video transmission quality of amount digital high-definition coffret, more efficiently positions defect, while reducing testing cost, saves
The substantial amounts of time and efforts of Test Engineer is so that test becomes simpler easy.
Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope of this specification record.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of image acquisition detecting system is it is characterised in that include connecting the signal of digital high-definition coffret egress respectively
Acquisition module, test source module, and it is connected to the video image between described signal acquisition module and described test source module
Evaluation module；
Described test source module exports test source to described digital high-definition coffret egress, by described digital high-definition coffret
Egress is based on described test source and exports corresponding video signal；
Described signal acquisition module is according to the corresponding control signal of described evaluation of video images module, video figure described in Real-time Collection
As signal, and described video signal is sent to described evaluation of video images module；
Described evaluation of video images module carries out quality testing process to described video signal, obtains picture quality detection knot
Really；Described quality testing processes and includes the single frames to described video signal/multiple frame acquisitions and process, at image objective evaluation
Reason, diversity localization process and relative analyses.
2. image acquisition detecting system according to claim 1 is it is characterised in that described signal acquisition module is believed for LVDS
Number acquisition module；Described LVDS signal acquisition module is connected with the LVDS output interface of described digital high-definition coffret egress
Connect；Described video signal is LVDS signal.
3. image acquisition detecting system according to claim 2 is it is characterised in that described signal acquisition module includes FPGA
Main control module；
Described FPGA main control module carries out parallel acquisition and image reconstruction process to described LVDS signal, and will process after described in
LVDS signal transmission gives described evaluation of video images module.
4. image acquisition detecting system according to claim 1 is it is characterised in that described evaluation of video images module includes
Image/video single frames acquisition module, image/video multiple frame acquisitions module and display module；
Described image video single frames acquisition module exports the first acquisition controlling signal to described signal acquisition module, and described signal is adopted
Collection module, according to described first acquisition controlling signal, carries out the Real-time Collection of static frame of video to described video signal；
Described image video multiple frame acquisitions module exports the second acquisition controlling signal to described signal acquisition module, and described signal is adopted
Collection module, according to described second acquisition controlling signal, carries out the Real-time Collection of multi-frame video frame to described video signal；Institute
State the transmission frame per second according to described multi-frame video frame for the image/video multiple frame acquisitions module, frame losing is carried out to described video signal
Or the checking of shake, and export the result；
Described display module is shown in real time to the described static state frame of video collecting or described multi-frame video frame.
5. image acquisition detecting system according to claim 4 is it is characterised in that described evaluation of video images module is also wrapped
Include image/video analysis module；
Described image analysis module according to default SSIM model, by described video signal and described test source module
The reference source of output is analyzed, and obtains the result of relative analyses.
6. image acquisition detecting system according to claim 5 is it is characterised in that described default SSIM model is D-
SSIM model.
7. image acquisition detecting system according to claim 4 is it is characterised in that described evaluation of video images module is also wrapped
Include image/video diversity locating module；
Described image video difference opposite sex locating module carries out described diversity localization process to described video signal, and exports
Difference positioning result.
8. the image acquisition detecting system according to claim 1 to 7 any one is it is characterised in that described test source is
1080p, 2k4k video source.
9. a kind of image acquisition detection method is it is characterised in that comprise the following steps：
Export test source to digital high-definition coffret egress；
The LVDS signal that Real-time Collection is exported based on described test source by described digital high-definition coffret egress；
Quality testing process is carried out to described LVDS signal, obtains picture quality testing result；Described quality testing processes and includes
Single frames to described LVDS signal/multiple frame acquisitions is processed, image objective evaluation is processed, diversity localization process and to score
Analysis.
10. image acquisition detection method according to claim 9 is it is characterised in that contrast to described LVDS signal
The step of analysis includes：
According to D-SSIM model, described LVDS signal and default reference source are analyzed, obtain the knot of relative analyses
Really.
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| CN106934758A (en) * | 2017-03-01 | 2017-07-07 | 南京大学 | A kind of three-dimensional image video real time integrating method and system based on FPGA |
| CN107613260A (en) * | 2017-09-29 | 2018-01-19 | 北京航天福道高技术股份有限公司 | A kind of IMAQ analysis system and method |
| CN108040251A (en) * | 2017-12-20 | 2018-05-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of digital video signal detecting system |
| CN110412782A (en) * | 2019-08-02 | 2019-11-05 | 湖南海诚宇信信息技术有限公司 | A kind of liquid crystal display device test macro and test method |
| CN112291557A (en) * | 2020-09-17 | 2021-01-29 | 苏州华兴源创科技股份有限公司 | Image signal generator output interface detection device and system |
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