CN107995412A - A kind of Fiber optic image acquisition device and its application process - Google Patents
A kind of Fiber optic image acquisition device and its application process Download PDFInfo
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- CN107995412A CN107995412A CN201711049434.0A CN201711049434A CN107995412A CN 107995412 A CN107995412 A CN 107995412A CN 201711049434 A CN201711049434 A CN 201711049434A CN 107995412 A CN107995412 A CN 107995412A
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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
- H04N23/60—Control of cameras or camera modules
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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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
- H04N23/80—Camera processing pipelines; Components 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
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
The present invention relates to automatic optics inspection technical field, and in particular to a kind of Fiber optic image acquisition device and its application process.Fiber optic image acquisition device has been internally integrated middle control module, figure is taken to instruct for receiving camera configuration parameter and camera, parameter configuration is carried out to camera, light backlight, control PG switching point screen pictures and control camera capture, and the view data that control image pre-processing module obtains camera pre-processes, and pretreated view data is uploaded to PC, valid data extraction module, the view data for being obtained to camera carries out valid data extraction；Read/write DDR modules, for view data to be write DDR physical memories or reading；DDR physical memories, for storing view data；Image pre-processing module：For being pre-processed to image.Support image preprocessing, the pretreatments such as angle point calculating, perspective transform, distortion correction, dark angle correction, brightness correction, background suppression can be carried out, reduce the load of PC test sides.
Description
Technical field
The present invention relates to automatic optics inspection technical field, and in particular to a kind of Fiber optic image acquisition device and its application side
Method.
Background technology
AOI automatic optics inspections have begun to be widely used in each LCM liquid crystal panels production firm.With large scale, height
The appearance of resolution ratio module, and the requirement to LCM liquid crystal panel quality are higher and higher, and the detection of same liquid crystal panel needs
Camera number is also more and more, and the requirement to AOI automated optical detection equipments detection performance and the degree of automation is also higher and higher.
Traditional artificial tune machine scheme cannot increasingly meet the needs of manufacturer, this is mainly based upon some following reason：
First, camera quantity is more and more.AOI automatic optics inspections need to use industrial camera, it is desirable to which liquid crystal display is taken
Picture at least up to sub-pixel precision.And the common resolution ratio of industrial camera has 29M, 47M, 71M etc. at present.With 29M industrial cameras
Exemplified by, its resolution ratio is 6576*4384.For 1080P screens, it is only necessary to which 1 camera carrys out capture, with regard to that can meet that capture precision will
Ask；For 4K screens, it is necessary to which 3 cameras carry out capture, it could meet capture required precision；And for 8K screens, then need 12
Camera carries out capture, could meet capture required precision, detects camera plus the auxiliary of side view, camera quantity is then likely to be breached
More than 20.
Second, tune is confidential to ask high, and workload is huge.AOI automatic optics inspections, it is confidential to the tune of camera ask it is very high, it is necessary to
Calculated first according to camera parameter and module parameter, and it is the operating distance of intense adjustment camera and then adjustment focusing clarity, same
When ensure moire fringes distribution do not influence to detect.Also need to according to different types of screen, the brightness under different detection pictures, respectively
Adjust the parameters such as time for exposure of the every camera under each picture, gain, white balance.Therefore adjusting machine time is very long, a station
Adjusting machine time often differed in several hours by several days.
3rd, machine switching is frequent.Liquid crystal panel manufacturer, same AOI detection stations may be according to market and production capacity need
Ask, carry out frequently cutting machine operation.Need to detect different model, size, the screen of resolution ratio.Machine is cut every time, and is needed
Again machine is adjusted.
4th, wire body otherness is big, and camera parameter cannot translate between each wire body.
For these reasons, it is very long to often lead to adjusting machine time, inefficiency；Or adjust machine effect bad, influence AOI inspections
The problems such as surveying effect.
The content of the invention
In order to solve the above technical problems, the present invention provides one kind to support image preprocessing, image quality measure, and energy is real
Existing polyphaser access and all kinds camera adjust the Fiber optic image acquisition device and its application process of machine automatically.
A kind of technical solution of Fiber optic image acquisition device of the present invention is：It is integrated with the Fiber optic image acquisition device for connecting
The camera interface of camera, the optical fiber interface for connecting PC and the data receiver for receiving man-machine interactive system data and instruction
Port, the Fiber optic image acquisition device have been internally integrated
Middle control module：For receiving camera configuration parameter and the camera that man-machine interactive system issues in module detection process
Take figure to instruct, camera is configured according to configuration parameter, take figure instruction to light backlight, control PG switching point screens according to camera
Picture and control camera capture, and the view data that control image pre-processing module obtains camera pre-process, and will
Pretreated view data is uploaded to PC；
Valid data extraction module：View data for being obtained to camera carries out valid data extraction；
Read/write DDR modules：For the effective image data of extraction to be write DDR physical memories or from DDR physical memories
Read；
DDR physical memories：For storing view data；
Image pre-processing module：For being pre-processed to the view data in DDR physical memories.
More preferable, described image pretreatment module includes
Dark angle correction module：For carrying out dark angle correction process to the view data in DDR physical memories；
Look for angle point module：For carrying out calculating Corner Treatment to the view data in DDR physical memories；
Perspective transform module：For carrying out perspective transform processing to the view data in DDR physical memories；
Distortion correction module：For carrying out distortion correction processing to the view data in DDR physical memories；
Background suppression module：For carrying out background suppression processing to the view data in DDR physical memories；
Brightness correction module：For carrying out brightness correction to the picture number in DDR physical memories；
Moire fringes are detected and eliminated：For carrying out moire fringes detection to the view data in DDR physical memories and eliminating.
It is more preferable, image quality evaluation module, described image matter are also integrated with inside the Fiber optic image acquisition device
Amount evaluation module is used for
In camera automatic aligning focus process, to camera obtain view data carry out brightness, clarity, sharpness,
Effective coverage size, the assessment of moire fringes distribution；
During camera parameter adjustment, brightness and the assessment of color are carried out to the view data that camera obtains；
And assessment result is sent to middle control module.
The more preferable camera interface includes
Camera Link interfaces：For connecting Camera Link interface cameras；
CLHS interfaces：For connecting CLHS interface cameras；
Network interface：For connecting Gige interface cameras.
It is more preferable, read/write DDR modules, image quality evaluation module and the image pre-processing module and DDR physics
Pass through AXI bus bars between memory.
More preferable, the Fiber optic image acquisition device has been internally integrated GTP data packet modules, the GTP data envelope
Bag module is used to be sent to PC after the view data read out is carried out package.
More preferable, the Fiber optic image acquisition device has been internally integrated SD card, for storing the automatic aligning after tune machine
Focusing parameter and camera parameter.
A kind of technical solution for the method that camera automatic aligning focusing is carried out using Fiber optic image acquisition device of the present invention is to wrap
Include following steps：
Step 1：According to man-machine interactive system send camera and lens parameters, Panel parameters, Panel light transmittances parameter,
Backlight parameter is initialized and is received automatic aligning focusing initiation command；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Backlight is lighted, control PG is switched to white picture；
Step 4：Camera is configured according to camera parameter, and controls camera capture；
Step 5：Receive and store the view data of camera acquisition；
Step 6：Taken image ROI region is assessed, continues to perform downwards if meeting the requirements, if being unsatisfactory for requiring
Camera position or pitch angle are then finely tuned, and return to step 4 continues to execute；
Step 7：Quality evaluation is carried out to the view data of acquisition, if quality assessment result does not meet examination criteria, root
Camera focus is adjusted according to quality assessment result, and return to step 4 continues to execute, if meeting examination criteria, storage contraposition focusing
Parameter, terminates the contraposition focusing flow of Current camera.
The technical solution of method that the present invention is a kind of to carry out camera parameter adjustment using Fiber optic image acquisition device is, including with
Lower step：
Step 1：The automatic aligning focusing initiation command and camera and lens parameters of reception man-machine interactive system transmission,
Panel parameters, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：Camera is configured according to camera parameter, and controls camera capture；
Step 6：The view data of camera acquisition is received and stored to DDR physical memories；
Step 7：Quality evaluation is carried out to taken image, camera parameter is stored if meeting the requirements, if being unsatisfactory for requiring
Return to step 5 continues to execute after adjustment camera parameter；
Step 8：When the picture of storage is last picture, then terminate camera parameter adjustment flow, otherwise return to step 4
Continue to perform downwards；
Wherein, the camera parameter adjusted in step 7 includes time for exposure, gain, white balance.
The present invention is a kind of to be carried out the technical solution of method that module detects automatically using Fiber optic image acquisition device and is：Including with
Lower step：
Step 1：The automatic aligning focusing initiation command and camera and lens parameters of reception man-machine interactive system transmission,
Panel parameters, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：The parameter stored during tune machine is read, and controls camera capture；
Step 6：Receive and store the view data of camera acquisition；
Step 7：Taken image is pre-processed；
Step 8：Pretreated view data is uploaded to PC；
Step 9：When the picture of detection is last picture, then terminate the automatic testing process of module, otherwise return to step 4
Continue to perform downwards；
Wherein, described image, which pre-processes, includes calculating angle point, perspective transform, distortion correction, dark angle correction, brightness correction,
Background suppress in any one or more.
Beneficial effects of the present invention：
1st, supporting interface species is enriched, and supports tri- kinds of Camera Link, GigE, CLHS industrial camera standard interfaces.At the same time
The external equipments such as controlling back light source, PG, motor, it is possible to achieve the automatic of all kinds camera adjusts machine.
2nd, support that camera quantity is more.This image acquisition device support 8 Camera Link interfaces, 8 GigE interfaces, 4
CLHS interfaces, can meet the needs of more polyphaser adjusts machine at the same time.
3rd, the automatic contraposition and focusing for carrying out camera is supported.
4th, parameter adjust automatically and the storages such as each camera exposure, gain, white balance are supported.
5th, support image quality measure, assess picture quality automatically, avoid subjectivity and individual difference that testing staff assesses
The opposite sex, image consistency are more preferable.
6th, support image preprocessing, can carry out angle point calculating, perspective transform, distortion correction, dark angle correction, brightness rectifys
Just, the pretreatment such as background suppression, reduces the load of PC test sides.
Brief description of the drawings
Fig. 1 is a kind of module connection figure of Fiber optic image acquisition device；
Fig. 2 is the flow chart that automatic aligning focusing is carried out using a kind of Fiber optic image acquisition device of the present invention；
Fig. 3 is the flow chart that camera parameter adjustment is carried out using a kind of Fiber optic image acquisition device of the present invention；
Fig. 4 is the flow chart detected automatically using a kind of Fiber optic image acquisition device progress module of the present invention；
In figure：1-middle control module, 2-image quality evaluation module, 3-image pre-processing module, 3-1-dark angle correction
Module, 3-2-look for angle point module, 3-3-perspective transform module, 3-4-distortion correction module, 3-5-background suppression module,
4-valid data extraction module, 5-write DDR modules, 6-read DDR modules, 7-GTP data packet modules, 8-SD card, 9-
AXI bus bar modules, 10-DDR controller, 11-DDR physical memories.
Embodiment
The invention will be further described with example below in conjunction with the accompanying drawings, it is clear that the example is only one of the present invention
Divide example, rather than whole examples, so the example should not be construed as limiting the invention.
As shown in Figure 1, a kind of Fiber optic image acquisition device of the present invention includes middle control module 1, image quality evaluation module 2, figure
As pretreatment module 3, valid data extraction module 4, write DDR modules 5, read DDR modules 6, GTP data packets module 7, SD card 8,
AXI bus bars module 9, DDR controller 10 and DDR physical memories 11.Wherein, image pre-processing module 3 is corrected including dark angle
Module 3-1, look for angle point module 3-2, perspective transform module 3-3, distortion correction module 3-4, background suppression module 3-5.
Fiber optic image acquisition device is equipped with camera interface, the optical fiber interface for connecting PC and for receiving man-machine interactive system
Data and the data receiver port of instruction.Camera interface includes Camera Link interfaces, CLHS interfaces and network interface, wherein,
Camera Link interfaces are used to connect Camera link interface cameras, and such as camera of the resolution ratio more than 6576*4384, CLHS connects
Mouthful it is used to connect CLHS interface cameras, as line sweeps camera, network interface is used to connect Gige interface cameras.As resolution ratio is less than 6576*
4384 camera.
Middle control module 1 uses the embedded OS based on FPGA, it is used in module detection process receive man-machine
The camera configuration parameter and camera that interactive system issues take figure to instruct, and configure parameter according to machine carries out parameter configuration, root to camera
Figure instruction is taken to light backlight, control PG switching point screen pictures and control camera capture, and control image preprocessing according to camera
The view data that module obtains camera pre-processes, and pretreated view data is uploaded to PC.Valid data carry
Modulus block 4 is used to carry out valid data extraction to the view data that camera obtains.Read/write DDR modules include writing 5 He of DDR modules
DDR modules 6 are read, DDR modules 5 is write and is used to the effective image data of extraction writing DDR physical memories, reading DDR modules 6 are used for will
View data is read from DDR physical memories.DDR physical memories 11 are used to store view data.Image pre-processing module 3 is used for
Using dark angle correction module 3-1, angle point module 3-2, perspective transform module 3-3, distortion correction module 3-4, background is looked for suppress mould
Block 3-5 carries out the view data in DDR physical memories 11 dark angle correction, calculates angle point, perspective transform, distortion correction and background
Suppression is handled.Image quality evaluation module 2 be used in camera automatic aligning focus process, to camera obtain view data into
Row brightness, clarity, sharpness, effective coverage size, the assessment of moire fringes distribution；During camera parameter adjustment, to phase
The view data that machine obtains carries out brightness and the assessment of color, and assessment result is sent to middle control module 1.AXI buses are mutual
Gang mould block 9 is used for realization read/write DDR modules, image quality evaluation module 2 and image pre-processing module 3 and DDR physical memories 11
Between interconnection.GTP data packets module 7 is used to be sent to PC, SD card, for depositing after the view data read out is carried out package
Store up each camera parameter of the different pattern of automatic aligning Focusing parameter and different type LCM screens after tune machine.
A kind of Fiber optic image acquisition device can be applied to the automatic aligning focusing of camera, camera parameter adjustment and module
Automatic detection.Screen is switched to white picture by the automatic aligning of camera, that is, Fiber optic image acquisition device control light source igniting backlight, control PG
Face.Trigger the continuous capture of camera.The length and width of the camera shooting ROI region inputted according to man-machine interactive system, camera CCD
Long side and short side size, and camera lens focal length, calculates camera lens to the operating distance shielded.Then motor is controlled,
Realize camera position coarse adjustment, i.e., tentatively realize camera automatic aligning.Then according to the ROI region length and width that actual capture is shot with
Heart position, controls motor, fine-tuning for camera position and fine-tuning for pitch angle is realized, until ROI region is complete
Meet the requirements, then complete camera automatic aligning process.The auto-focusing of the camera, that is, Fiber optic image acquisition device control light source igniting back of the body
Screen is switched to white picture by light, control PG.Trigger the continuous capture of camera.Image quality evaluation module is called to carry out capture quality
Assessment, and according to assessment result, adjust camera focus, until the brightness of image, clarity, sharpness, effective coverage size, rubs
Your line distribution etc. is satisfied by requiring.Camera parameter adjusts, and system completes automatic aligning and to defocused, the control of Fiber optic image acquisition device
PG, makes screen switch different pictures successively and carries out camera parameter adjustment and storage.System carries out continuous capture, image quality measure
Module is according to brightness of image and color, camera parameter that adjust automatically and storing is adjusted (including time for exposure, gain, Bai Ping
Weighing apparatus etc.).The automatic detection of module, after completing above-mentioned flow, system can formally open automatic testing process.On assembly line, often
Carry out one piece of screen, Fiber optic image acquisition device control PG, makes screen carry out the switching of image automatically, and controls camera bat figure, carries out image
After pretreatment, upload to PC and perform image display/detect and image storage.
The flow chart that automatic aligning focusing is carried out using a kind of Fiber optic image acquisition device of the present invention is illustrated in figure 2, it is walked
It is rapid as follows：
Step 1：According to man-machine interactive system send camera and lens parameters, Panel parameters, Panel light transmittances parameter,
Backlight parameter is initialized and is received automatic aligning focusing initiation command；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Backlight is lighted, control PG is switched to white picture；
Step 4：Camera is configured according to camera parameter, and controls camera capture；
Step 5：Receive and store the view data of camera acquisition；
Step 6：Taken image ROI region is assessed, continues to perform downwards if meeting the requirements, if being unsatisfactory for requiring
Camera position or pitch angle are then finely tuned, and return to step 4 continues to execute；
Step 7：Quality evaluation is carried out to the view data of acquisition, if quality assessment result does not meet examination criteria, root
Camera focus is adjusted according to quality assessment result, and return to step 4 continues to execute, if meeting examination criteria, storage contraposition focusing
Parameter, terminates the contraposition focusing flow of Current camera.
The flow chart that camera parameter adjustment is carried out using Fiber optic image acquisition device is illustrated in figure 3, its step is as follows：
Step 1：The automatic aligning focusing initiation command and camera and lens parameters of reception man-machine interactive system transmission,
Panel parameters, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：Camera is configured according to camera parameter, and controls camera capture；
Step 6：The view data of camera acquisition is received and stored to DDR physical memories；
Step 7：Quality evaluation is carried out to taken image, camera parameter is stored if meeting the requirements, if being unsatisfactory for requiring
Return to step 5 continues to execute after adjustment camera parameter；
Step 8：When the picture of storage is last picture, then terminate camera parameter adjustment flow, otherwise return to step 4
Continue to perform downwards；
Wherein, the camera parameter adjusted in step 7 includes time for exposure, gain, white balance.
The flow chart for carrying out module using a kind of Fiber optic image acquisition device of the present invention and detecting automatically is illustrated in figure 2, it is walked
It is rapid as follows：
Step 1：The automatic aligning focusing initiation command and camera and lens parameters of reception man-machine interactive system transmission,
Panel parameters, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：The parameter stored during tune machine is read, and controls camera capture；
Step 6：Receive and store the view data of camera acquisition；
Step 7：Taken image is pre-processed, image preprocessing include calculate angle point, perspective transform, distortion correction,
Dark angle corrects, brightness correction, any one or more in background suppression；
Step 8：Pretreated view data is uploaded to PC；
Step 9：When the picture of detection is last picture, then terminate the automatic testing process of module, otherwise return to step 4
Continue to perform downwards.
The above description is merely a specific embodiment, it is noted that any those skilled in the art exist
Disclosed herein technical scope in, the change or replacement that can readily occur in, should all cover protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of Fiber optic image acquisition device, it is characterised in that the phase for connecting camera is integrated with the Fiber optic image acquisition device
Machine interface, the optical fiber interface for connecting PC and the data receiver port for receiving man-machine interactive system data and instruction, institute
Fiber optic image acquisition device is stated to be internally integrated
Middle control module：Figure is taken for reception man-machine interactive system issues in module detection process camera configuration parameter and camera
Instruction, configures camera according to configuration parameter, takes figure instruction to light backlight, control PG switching point screen pictures according to camera
Pre-process, and will locate in advance with control camera capture, and the view data that control image pre-processing module obtains camera
View data after reason is uploaded to PC；
Valid data extraction module：View data for being obtained to camera carries out valid data extraction；
Read/write DDR modules：For the effective image data of extraction to be write DDR physical memories or are read from DDR physical memories
Go out；
DDR physical memories：For storing view data；
Image pre-processing module：For being pre-processed to the view data in DDR physical memories.
2. Fiber optic image acquisition device as claimed in claim 1, it is characterised in that：Described image pretreatment module includes
Dark angle correction module：For carrying out dark angle correction process to the view data in DDR physical memories；
Look for angle point module：For carrying out calculating Corner Treatment to the view data in DDR physical memories；
Perspective transform module：For carrying out perspective transform processing to the view data in DDR physical memories；
Distortion correction module：For carrying out distortion correction processing to the view data in DDR physical memories；
Background suppression module：For carrying out background suppression processing to the view data in DDR physical memories.
3. Fiber optic image acquisition device as claimed in claim 1, it is characterised in that：It is also integrated with inside the Fiber optic image acquisition device
Image quality evaluation module, described image quality assessment modules are used for
In camera automatic aligning focus process, to camera obtain view data carry out brightness, clarity, sharpness, effectively
Area size, the assessment of moire fringes distribution；
During camera parameter adjustment, brightness and the assessment of color are carried out to the view data that camera obtains；
And assessment result is sent to middle control module.
4. Fiber optic image acquisition device as claimed in claim 1, it is characterised in that：The camera interface includes
Camera Link interfaces：For connecting Camera Link interface cameras；
CLHS interfaces：For connecting CLHS interface cameras；
Network interface：For connecting Gige interface cameras.
5. Fiber optic image acquisition device as claimed in claim 3, it is characterised in that：The read/write DDR modules, image quality measure
Pass through AXI bus bars between module and image pre-processing module and DDR physical memories.
6. Fiber optic image acquisition device as claimed in claim 1, it is characterised in that：The Fiber optic image acquisition device has been internally integrated
GTP data packet modules, the GTP data packets module are used to be sent to PC after the view data read out is carried out package.
7. Fiber optic image acquisition device as claimed in claim 1, it is characterised in that：The Fiber optic image acquisition device has been internally integrated SD
Card, for storing the automatic aligning Focusing parameter after tune machine and camera parameter.
A kind of 8. method that camera automatic aligning focusing is carried out using Fiber optic image acquisition device, it is characterised in that including following step
Suddenly：
Step 1：The camera and lens parameters, Panel parameters, Panel light transmittances parameter, backlight sent according to man-machine interactive system
Source parameter is initialized and is received automatic aligning focusing initiation command；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Backlight is lighted, control PG is switched to white picture；
Step 4：Camera is configured according to camera parameter, and controls camera capture；
Step 5：Receive and store the view data of camera acquisition；
Step 6：Taken image ROI region is assessed, continues to perform downwards if meeting the requirements, if being unsatisfactory for requiring micro-
Phase modifier position or pitch angle, and return to step 4 continues to execute；
Step 7：Quality evaluation is carried out to the view data of acquisition, if quality assessment result does not meet examination criteria, according to matter
Measure assessment result and adjust camera focus, and return to step 4 continues to execute, if meeting examination criteria, storage contraposition Focusing parameter,
Terminate the contraposition focusing flow of Current camera.
A kind of 9. method that camera parameter adjustment is carried out using Fiber optic image acquisition device, it is characterised in that comprise the following steps：
Step 1：Receive automatic aligning focusing initiation command and camera and lens parameters, the Panel ginsengs that man-machine interactive system is sent
Number, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：Camera is configured according to camera parameter, and controls camera capture；
Step 6：The view data of camera acquisition is received and stored to DDR physical memories；
Step 7：Quality evaluation is carried out to taken image, camera parameter is stored if meeting the requirements, if being unsatisfactory for requiring to adjust
Return to step 5 continues to execute after camera parameter；
Step 8：When the picture of storage is last picture, then terminate camera parameter adjustment flow, otherwise return to step 4 continues
Perform downwards；
Wherein, the camera parameter adjusted in step 7 includes time for exposure, gain, white balance.
A kind of 10. method detected automatically using Fiber optic image acquisition device progress module, it is characterised in that comprise the following steps：
Step 1：Receive automatic aligning focusing initiation command and camera and lens parameters, the Panel ginsengs that man-machine interactive system is sent
Number, Panel light transmittances parameter, backlight parameter；
Step 2：Camera initial position is calculated according to the parameter received, and controls motor to move camera to initial position；
Step 3：Light backlight；
Step 4：Control PG switching point screen pictures；
Step 5：The parameter stored during tune machine is read, and controls camera capture；
Step 6：Receive and store the view data of camera acquisition；
Step 7：Taken image is pre-processed；
Step 8：Pretreated view data is uploaded to PC；
Step 9：When the picture of detection is last picture, then terminate the automatic testing process of module, otherwise return to step 4 continues
Perform downwards；
Wherein, described image pretreatment including but not limited to calculating angle point, perspective transform, distortion correction, dark angle correction, brightness are rectified
Just, any one or more in background suppression.
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