CN207382473U - The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform - Google Patents
The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform Download PDFInfo
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- CN207382473U CN207382473U CN201721010876.XU CN201721010876U CN207382473U CN 207382473 U CN207382473 U CN 207382473U CN 201721010876 U CN201721010876 U CN 201721010876U CN 207382473 U CN207382473 U CN 207382473U
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Abstract
The utility model provides the CameraLink signal acquisitions that a kind of free drive moves and shows integrated testing platform, belongs to signal acquisition testing platform field, including signal decoder module, signal compensation module, OSD module, image processing module, liquid crystal screen module.Signal decoder module input terminal is connected with the Camera link signaling interfaces of external high-resolution BASE patterns, signal decoder module is connected through signal compensation module with image processing module, and the output terminal of OSD module is connected respectively with signal compensation module with image processing module.Image processing module is connected with liquid crystal screen module.For the utility model by being detected the correctness of signal message, integrality using signal sequence information in liquid crystal screen module, the Timing acquisition control mode for exempting from operating system of use avoids traditional interface driver compatibility issue.
Description
Technical field
The utility model is related to signal acquisition testing platform fields, are specifically related to a kind of free drive and move
CameraLink signal acquisitions show integrated testing platform.
Background technology
Camera Link standards are that a kind of Camera Link technical standards proposed by National Semiconductor laboratory develop
And come, which has open interface protocol so that different manufacturers can keep the otherness of product and mutual simultaneous
Hold.It on the basis of traditional LVDS transmits data is loaded with and turns string transmitter and string turn and receiver again, can be at parallel group
On the individual event link of conjunction, serial link and point-to-point link, using SER/DES (serialization/de-serialization) technologies with up to
The speed sending data of 4.8Gb/s.Camera Link are industrial High Speed Serial data and connection protocol, it is world's number phase
Machine supplier and Image Acquisition company released in 2000 10 joints, it is intended to high speed, high-precision between digital camera and PC machine
Digital Transmission provides a kind of standard linkage.
The method of Camera link signal detections use on the market is mainly at present：Camera is installed in motherboard
Link data acquisition cards are input to by PCI-E bus interface in motherboard, are exported after mainboard processing and are shown to liquid crystal display.This
Kind of method is higher to the configuration requirement of host, it is necessary to support PCI-E interface, and needs to install mating driving, different behaviour
Making system needs different drivings.Meanwhile man-machine interface needs to configure a liquid crystal display, system connection is complicated, and operation is multiple
Miscellaneous, system compatibility is poor, and the vision signal of host output can not show Camera link signal sequence information, it is impossible to test
Demonstrate,prove the correctness of signal.
Utility model content
The utility model provides the CameraLink signal acquisitions that a kind of free drive moves and shows integrated testing platform, solves existing
Camera link signal detecting mode system compatibilities are poor, complicated for operation, can not detect the problems such as input signal correctness.
The utility model solves the above problems by the following technical programs：
The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform, including signal decoder module, OSD
Module, image processing module, liquid crystal screen module, the signal decoder module input terminal connect with external Camera link signals
Mouth connection, the output terminal of the signal decoder module are connected with image processing module, at the output terminal and image of the OSD module
Module connection is managed, described image processing module is connected with liquid crystal screen module.
The utility model still further comprises signal compensation module, and input terminal and the signal of the signal compensation module decode
Module connection is connected with OSD module, and the output terminal of the signal compensation module is connected with image processing module.
In said program, preferably signal compensation module is had the birefringece crystal of electrooptic effect by polarizer, polylith
It is formed with compensator.
In said program, preferably image processing module includes pattern watch circuit, newly-increased pattern watch circuit, image procossing
Chip and signal conversion circuit, the input terminal of the pattern watch circuit are connected with signal compensation module, the output of pattern watch circuit
End is connected respectively with newly-increased pattern watch circuit, picture processing chip and liquid crystal screen module, the input terminal of the signal conversion circuit
It is connected respectively with picture processing chip and OSD modules, the output terminal of signal conversion circuit is connected with liquid crystal screen module.
In said program, preferably OSD module be data storage, for store the contrast of signal, colourity and
GAMMA parameters.
In said program, preferably signal decoder module includes decoding chip, and decoding chip uses model BC7210A
Or the decoding chip of WM8740.
The advantages of the utility model is with effect：
The utility model by liquid crystal screen module using signal sequence information come be detected the correctness of signal message,
Integrality, the Timing acquisition control mode for exempting from operating system of use, avoids traditional interface driver compatibility issue, simultaneously
The display pattern configuration of all-in-one machine, the display directly perceived of signal sequence information by screen OSD realize signal contrast, colourity,
The parameter settings such as GAMMA, the signal picture met under varying environment show demand, operating process and the connection for solving complexity,
Installation operation is easy, using quick.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model white-black pattern；
Fig. 3 is the structure diagram of the utility model color mode.
Specific embodiment
The utility model is described in further detail with reference to embodiments.
The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform, as shown in Fig. 1-3, including letter
Number decoder module, signal compensation module, OSD module, image processing module, liquid crystal screen module.Signal decoder module input terminal with
The Camera link signaling interfaces connection of external high-resolution BASE patterns, signal decoder module is through signal compensation module and figure
As processing module connection, the output terminal of OSD modules is connected respectively with signal compensation module with image processing module.Image procossing
Module is connected with liquid crystal screen module.
(resolution ratio is 1280*1024@to the Camera link signals of signal decoder module realization high-resolution BASE patterns
25Hz, highest bandwidth reach 85MHz) the progress signal decoding of signal decoding chip is input to by standard interface, it is converted into RGB numbers
Word signal, signal decoder module mainly include decoding chip, and season chip is decoded signal processing.
Signal compensation module carries out signal compensation operation, and signal compensation operation purpose mainly realizes Camera link letters
Number white-black pattern, color mode switching, when being switched to white-black pattern, carry out duplication compensation, after overcompensation to signal data
Signal data be input to image processing module.
OSD module, the abbreviation of on-screen display, i.e. screen menu type regulative mode.After usually pressing Menu keys
The rectangle menu of the display items reconciling items information of screen pop-up, can be by the menu to display work in every index bag
It includes color, pattern, geometry etc. to be adjusted, so as to reach optimal use state.Camera is realized by OSD module
The parameter settings such as contrast, colourity, the GAMMA of link signals white-black pattern, the one key switching of color mode and signal.
Image processing module, including pattern table, newly-increased pattern table, picture processing chip and signal conversion circuit, pattern table
Input terminal be connected with signal compensation module, the output terminal of pattern table is connected with picture processing chip.The input of newly-increased pattern table
End is connected with pattern table, and the output terminal of newly-increased pattern table is connected with picture processing chip.Picture processing chip converts electricity through signal
Road is connected with liquid crystal screen module.
Pattern table for progress pattern table comparison after the signal sequence that signal compensation module is passed to is acquired, identify and
Carry out pattern table matching operation, will be in pattern table presentation of information to liquid crystal display after matching corresponding pattern table.
Newly-increased pattern table is used for when signal fails to complete in pattern table matching operation, signal into newly-increased pattern table into
Row signal mode table matching operation.
Picture processing chip operates for carrying out timing control, image enhancement and Edge contrast to pattern table matched signal.
Signal conversion circuit, for the sequential interface requirement to the signal that picture processing chip is spread out of according to liquid crystal screen module
Signal sequence conversion is carried out, while OSD module is responded according to environmental requirement, parameter adjustment is carried out to signal.
(resolution ratio is 1280*1024@25Hz to the Camera link signals of high-resolution BASE patterns, and highest bandwidth reaches
Signal decoding chip 85MHz) is input to by standard interface and carries out signal decoding, is converted into RGB digital signals, entering signal is mended
Module is repaid, carrying out signal compensation operation, (signal compensation operation purpose mainly realizes Camera link signals white-black pattern, coloured silk
Color pattern switches, and when being switched to white-black pattern, duplication compensation is carried out to signal data), the signal data after overcompensation is defeated
Enter to image processing module, progress pattern table comparison after image processing module is acquired, identifies to the signal sequence of input,
After being fitted on the pattern table of identical timing information, the information list in the pattern table is shown on liquid crystal display, while according to liquid
The timing requirements of crystalline substance screen carry out the operations such as timing control, signal enhancing, sharpening.If it is not matched to identical pattern table letter
Breath, software systems can increase corresponding pattern table newly according to the timing information collected, the information list in the pattern table shown
The operations such as timing control, signal enhancing, sharpening are carried out to signal onto liquid crystal display, while using dedicated image procossing IC, it is complete
Into after timing control, according to the sequential interface requirement of liquid crystal display, Signal format conversion is carried out, is converted into the corresponding driving of liquid crystal display
Signal driving liquid crystal display is shown.Due to the Timing acquisition control mode for exempting from operating system of use, avoid traditional interface and drive
Dynamic compatibility issue.By realizing the parameter settings such as signal contrast, colourity, GAMMA in screen OSD, meet under varying environment
Signal picture shows demand.Realize one-touch Camera link signals black and white, color mode switching.Realize Camera link
The integration of signal acquisition display test, is shown by the picture of liquid crystal display, visually inspects the integrality of Camera link signals
And correctness, and the timing information for passing through on-screen display checks the correctness of signal sequence information.
Operation principle：
Step 1：High-resolution Camera link signal BASE patterns (resolution ratio be 1024 25Hz of 1280*, most high band
Width reaches 85MHz) the progress signal decoding of signal decoding chip is input to by standard interface, RGB digital signals are converted into, are entered
Signal compensation module.
Step 2；Data-signal carries out signal replication compensating operation, and (signal compensation operation purpose mainly realizes Camera
Link signals white-black pattern, color mode switching, when being switched to white-black pattern, duplication compensation is carried out to signal data).
Step 3；Signal (only white-black pattern needs to carry out compensation data) data after overcompensation are input at image
Module is managed, image processing module carries out pattern table comparison after the signal sequence of input is acquired, is identified, carries out pattern table
After matching corresponding pattern table with operation, by pattern table presentation of information to liquid crystal display, while dedicated image procossing is used
IC carries out the processing operations such as timing control, image enhancement, sharpening to signal；
Step 4；Signal sequence conversion is carried out according to the sequential interface requirement of liquid crystal display, while is responded according to environmental requirement
OSD is operated, and parameter adjustment is carried out to signal.
Step 5；New pattern table is just established if not matching pattern table, by pattern table presentation of information to liquid crystal display,
Then the operating process of module 5 is entered back into.
Step 6；The signal for handling completion is converted into the matched LVDS of liquid crystal display or TTL signal driving liquid crystal display mould
Group.
Step 7；The one key switching and letter of Camera link signals white-black pattern, color mode are realized by OSD module
Number the parameter settings such as contrast, colourity, GAMMA.
Step 8；Correctness, the integrality of LCD pictures detection Camera link signals by visual observation, and pass through
In the correctness of the signal sequence infomation detection signal sequence of screen.
Traditional Camera link signal detecting modes are all that video frequency collection card is mounted in motherboard in the market, are needed
Mating driver is installed, different operating system needs different drivers, and there is the problem of poor compatibility.Together
Shi Renji test interfaces need to configure a liquid crystal display, and system connection is complicated, complicated for operation, and when can not show signal
Sequence information can not detect signal correctness.By the utility model, drive-free program operation is successfully realized, is solved
The problem of Camera link signal acquiring system poor compatibilities, while the display pattern configuration of all-in-one machine, signal sequence information
Display directly perceived, solve complicated operating process and connection, installation operation is easy, using quick.
The preferred embodiment created to the utility model above is illustrated, but the utility model is not limited to
Embodiment, those skilled in the art can also make a variety of on the premise of without prejudice to the utility model creative spirit
Equivalent modification or replacement, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (6)
1. the CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform, it is characterised in that：Including signal solution
Code module, OSD module, image processing module, liquid crystal screen module, the signal decoder module input terminal and external Camera
Link signaling interfaces connect, and the output terminal of the signal decoder module is connected with image processing module, the output of the OSD module
End is connected with image processing module, and described image processing module is connected with liquid crystal screen module.
2. the CameraLink signal acquisitions that a kind of free drive according to claim 1 moves show integrated testing platform,
It is characterized in that：Signal compensation module is further included, the input terminal of the signal compensation module is connected and OSD moulds with signal decoder module
Block connects, and the output terminal of the signal compensation module is connected with image processing module.
3. the CameraLink signal acquisitions that a kind of free drive according to claim 1 moves show integrated testing platform,
It is characterized in that：The signal compensation module by polarizer, polylith there is the birefringece crystal of electrooptic effect and compensator to form.
4. the CameraLink signal acquisitions that a kind of free drive according to claim 1 moves show integrated testing platform,
It is characterized in that：Described image processing module includes pattern watch circuit, newly-increased pattern watch circuit, picture processing chip and signal conversion
Circuit, the input terminal of the pattern watch circuit are connected with signal compensation module, the output terminal of pattern watch circuit respectively with newly-increased mould
Formula watch circuit, picture processing chip are connected with liquid crystal screen module, the input terminal of the signal conversion circuit respectively with image procossing
Chip is connected with OSD module, and the output terminal of signal conversion circuit is connected with liquid crystal screen module.
5. the CameraLink signal acquisitions that a kind of free drive according to claim 4 moves show integrated testing platform,
It is characterized in that：The OSD module is data storage, for storing the contrast of signal, colourity and GAMMA parameters.
6. the CameraLink signal acquisitions that a kind of free drive according to claim 1 moves show integrated testing platform,
It is characterized in that：The signal decoder module includes decoding chip, and decoding chip uses the decoding of model BC7210A or WM8740
Chip.
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| CN201721010876.XU CN207382473U (en) | 2017-08-14 | 2017-08-14 | The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform |
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| CN201721010876.XU CN207382473U (en) | 2017-08-14 | 2017-08-14 | The CameraLink signal acquisitions that a kind of free drive moves show integrated testing platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333128A (en) * | 2017-08-14 | 2017-11-07 | 湖南中力皓电子科技有限公司 | A kind of dynamic CameraLink signal acquisitions of free drive show integrated testing platform |
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- 2017-08-14 CN CN201721010876.XU patent/CN207382473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333128A (en) * | 2017-08-14 | 2017-11-07 | 湖南中力皓电子科技有限公司 | A kind of dynamic CameraLink signal acquisitions of free drive show integrated testing platform |
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