CN104811661A - Image control device, digital scene generator and image control method - Google Patents
Image control device, digital scene generator and image control method Download PDFInfo
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- CN104811661A CN104811661A CN201510127806.1A CN201510127806A CN104811661A CN 104811661 A CN104811661 A CN 104811661A CN 201510127806 A CN201510127806 A CN 201510127806A CN 104811661 A CN104811661 A CN 104811661A
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Abstract
The technical scheme of the invention provides an image control device used for digital scene generator and an image control method thereof. The image control device comprises a master control module which is provided with a windowing arithmetic unit and an image data buffer which are connected with each other; an image data receiving module which is used for being connected with a digital scene generation computer and receiving image data; an image data acquisition module which is used for being connected with the digital scene generation computer and acquiring the image data back to the digital scene generation computer; and an image data output module which is used for being connected with an information processing system and outputtomg the image data. The image data receiving module, the image data acquisition module and the image data output module are respectively connected with the master control module. The requirement of a laboratory for testing the real-time windowing function of the information processing system in a photoelectric imaging system can be met.
Description
Technical field
The present invention relates to photoelectric field, particularly relate to a kind of digital scene generator for photo electric imaging system simulation.
Background technology
Numeral scene generator, produces computer by scene and image o controller forms.Image o controller realizes the core component that image exports, and is also realize the functional part that image windows in real time.Image o controller is according to the Mathematical Modeling of photo electric imaging system, utilize the objective data prestored in a computer, background data and the target trajectory of specifying, infrared image sequence is calculated by software, and output signal is produced after hardware system process, can be used for the development of photo electric imaging system, sizing, check and accept, produce, each stages such as maintenance, the data identical or close with realistic objective background environment are provided, for the task performance of whole photo electric imaging system in real background environment of unifying of the information processing system in inspection and assessment photo electric imaging system provides a kind of effective means and equipment.
As periodical " infrared " June in 2005, " design and implimentation of high-frequency frame numeral scene generator hardware system " that Xue Jun etc. write discloses a kind of digital scene generator.Similar is this in photo electric imaging system, major part area is occupied by background, the interested target of observer often only concentrates on fraction region, therefore can be understood as observer needs the image-region seen clearly to be not entire image, only need the clear display of details characteristic of target, and require relatively much lower to the definition of extended background image.Strengthen all regions to entire image in this case to process, the waste greatly in processing time will be caused.Be difficult to improve at hardware speed, when software algorithm can not be simplified again, need to save the processing time, improve the real-time strengthening algorithm, reduce taking of unnecessary computational resource.
Summary of the invention
The object of this invention is to provide a kind of image control apparatus for digital scene generator, comprise main control module, described main control module is provided with the windowing operations device and image data buffer that are connected to each other; Comprise and produce computer and the view data receiver module receiving view data for connecting digital scene; Computer is produced and image data acquiring module view data back production being produced computer to digital scene for connecting digital scene; For link information treatment system and the view data output module of output image data; Described view data receiver module, image data acquiring module, view data output module are connected respectively with main control module.
Further, described windowing operations device comprises image source switch, data flow control, windowing operations device, logic controller and communication module, described image data buffer receives the view data from image receiver module, and be sent to image source switch, image source switch sends view data to data flow control, data flow control sends view data to windowing operations device, and described windowing operations device passes through the view data after logic controller and communication module transmission processing to image interface module.
Further, described windowing operations device is made up of FPGA field programmable gate array.
Further, described image data buffer is FIFO high-speed cache.
Further, described view data receiver module comprises a USB controller, the first data flow control, the first storage control, first memory, a described USB controller data stream controller produces the view data of computer from digital scene for receiving and is sent to the first data flow control, described first data flow control is used for view data to be sent to main control module, and described first storage control is connected between described first data flow control and first memory.
Further, described image data acquiring module comprises the 2nd USB controller, the second data flow control, the second storage control, second memory, described second data flow control is for the view data that receives from main control module and be sent to the 2nd USB controller, described second data flow control is used for view data to be sent to digital scene generator, and described second storage control is connected between described second data flow control and second memory.
Further, described view data output module comprises communication controler, image time schedule controller, transceiver, storage control and image buffer, described communication controler is for connecting main control module, image time schedule controller connects transceiver and storage control, storage control connects image buffer, and transceiver connection layout is as time schedule controller and export data to information processing system.
Further, described transceiver is LVDS interface.
Present invention also offers a kind of digital scene generator, comprise the image control apparatus of digital scene generator as above, also comprise a number of units word scene and produce computer.
Present invention also offers a kind of display control method for digital scene generator, comprise the following steps: step 1, the DID being produced Practical computer teaching by scene is sent to the image data memory of main control module by view data receiver module; Step 2, to receiver module receive control send instruction, image control buffer is set, configuration image time schedule controller; Step 3, produce the sequential needed for output image by image time schedule controller, comprise capable field total pixel number, effective width, synchronous width, front width etc.; Step 4, send to windowing operations device instruction of windowing, the original position that image exports is changed to a position of whole window part size, then to view data carry out the window's position size adjustment, gain-adjusted, the time of integration regulate, add make an uproar process after, under exposure sync signal controlling chronologically by process after view data send to view data output module; Step 5, by view data output module, view data is converted to corresponding level and outputs to information processing system.
Under the exposure sync signal controlling that the image control apparatus that the embodiment of the present invention provides, digital scene generator and display control method can provide in information processing system, according to agreement sequential, communication protocol, digital image sequence scene being produced Practical computer teaching exports frame by frame; The control information such as position of windowing, gain, the time of integration that information processing system provides can be received, real-time change digital picture output mode, window size, position, frame frequency, sequential real-time, tunable, meet the demand that laboratory is tested the real-time windowing function of the information processing system in photo electric imaging system.
Accompanying drawing explanation
Fig. 1 is digital scene generator schematic diagram provided by the invention;
Fig. 2 is digital scene generator display control method schematic flow sheet provided by the invention.
[main element symbol description]
100: image control apparatus;
10: main control module;
20: view data receiver module;
30: image data acquiring module;
40: view data output module;
50: digital scene produces computer;
60: information processing system.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, embodiments provide a kind of image control apparatus 100 for digital scene generator, comprise with lower module:
Main control module 10, described main control module 10 is provided with the windowing operations device 17 be connected to each other and image data buffer 11;
View data receiver module 20, produces computer for connecting digital scene and receives view data;
Image data acquiring module 30, produces computer for connecting digital scene and view data back production to digital scene is produced computer;
View data output module 40, for link information treatment system and output image data;
Described view data receiver module 20, image data acquiring module 30, view data output module 40 are connected with main control module 10 respectively.
Further, described main control module 10 comprises image data buffer 11, image source switch 12, data flow control 13, windowing operations device 14, logic controller 15 and communication module 16, described image data buffer 11 receives the view data from image receiver module 20, and be sent to image source switch 12, image source switch 12 sends view data to data flow control 13, data flow control 13 sends view data to windowing operations device 17, described windowing operations device 17 passes through the view data after logic controller 15 and communication module 16 transmission processing to image interface module 20.Described windowing operations device is made up of FPGA field programmable gate array.Described image data buffer is FIFO high-speed cache.
Further, described view data receiver module comprises USB controller 21, first data flow control 22, first storage control 23, first memory 24, a described USB controller 21 produces the view data of computer 50 from digital scene for receiving and is sent to the first data flow control 22, described first data flow control 22 is for being sent to main control module 10 by view data, and described first storage control 23 is connected between described first data flow control 22 and first memory 24.The first concrete data flow control 22 is for being sent to the image data buffer 11 of main control module 10 by view data.
Further, described image data acquiring module comprises the 2nd USB controller 31, second data flow control 32, second storage control 33, second memory 34, described second data flow control 32 is for the view data that receives from main control module 10 and be sent to the 2nd USB controller 31, described second data flow control 32 is for being sent to digital scene generator 50 by view data, described second storage control 33 to be connected between described second data flow control 32 and second memory 34.
Further, described view data output module comprises communication controler 41, image time schedule controller 42, transceiver 44, storage control 43 and image buffer 45, described communication controler 41 is for connecting main control module 10, image time schedule controller 42 connects transceiver 44 and storage control 43, storage control 43 connects image buffer 45, and transceiver 44 connection layout is as time schedule controller 42 and export data to information processing system 60.
Further, described transceiver is LVDS interface module.
The embodiment of the present invention additionally provides a kind of digital scene generator, comprises the image control apparatus of above-described digital scene generator, also comprises a number of units word scene and produces computer 50.
The embodiment of the present invention additionally provides a kind of display control method for digital scene generator, comprises the following steps:
Step 1, the DID being produced Practical computer teaching by scene is sent to the image data memory of main control module by view data receiver module;
Step 2, to receiver module receive control send instruction, image control buffer is set, configuration image time schedule controller;
Step 3, produce the sequential needed for output image by image time schedule controller, comprise capable field total pixel number, effective width, synchronous width, front width etc.;
Step 4, send to windowing operations device instruction of windowing, the original position that image exports is changed to a position of whole window part size, then to view data carry out the window's position size adjustment, gain-adjusted, the time of integration regulate, add make an uproar process after, under exposure sync signal controlling chronologically by process after view data send to view data output module;
Step 5, by view data output module, view data is converted to corresponding level and outputs to information processing system.In the application of actual light electric imaging system, front and back frequency of windowing can change.Therefore scene produces computer also needs according to highest frequency synthetic image, under full window or pattern of windowing, exports, thus meet the needs of different frequency according to required time interval abstract image.
Under the exposure sync signal controlling that the image control apparatus that the embodiment of the present invention provides, digital scene generator and display control method can provide in information processing system, according to agreement sequential, communication protocol, digital image sequence scene being produced Practical computer teaching exports frame by frame; The control information such as position of windowing, gain, the time of integration that information processing system provides can be received, real-time change digital picture output mode, window size, position, frame frequency, sequential real-time, tunable, meet the demand that laboratory is tested the real-time windowing function of the information processing system in photo electric imaging system.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. for an image control apparatus for digital scene generator, it is characterized in that, comprise main control module, described main control module is provided with the windowing operations device and image data buffer that are connected to each other; Comprise and produce computer and the view data receiver module receiving view data for connecting digital scene; Computer is produced and image data acquiring module view data back production being produced computer to digital scene for connecting digital scene; For link information treatment system and the view data output module of output image data; Described view data receiver module, image data acquiring module, view data output module are connected respectively with main control module.
2. as claimed in claim 1 for the image control apparatus of digital scene generator, it is characterized in that, described windowing operations device comprises image source switch, data flow control, windowing operations device, logic controller and communication module, described image data buffer receives the view data from image receiver module, and be sent to image source switch, image source switch sends view data to data flow control, data flow control sends view data to windowing operations device, described windowing operations device passes through the view data after logic controller and communication module transmission processing to image interface module.
3., as claimed in claim 2 with the image control apparatus of digital scene generator, it is characterized in that, described windowing operations device is made up of FPGA field programmable gate array.
4., as claimed in claim 2 with the image control apparatus of digital scene generator, it is characterized in that, described image data buffer is FIFO high-speed cache.
5. as claimed in claim 1 for the image control apparatus of digital scene generator, it is characterized in that, described view data receiver module comprises a USB controller, first data flow control, first storage control, first memory, a described USB controller data stream controller produces the view data of computer from digital scene for receiving and is sent to the first data flow control, described first data flow control is used for view data to be sent to main control module, described first storage control is connected between described first data flow control and first memory.
6. as claimed in claim 1 for the image control apparatus of digital scene generator, it is characterized in that, described image data acquiring module comprises the 2nd USB controller, the second data flow control, the second storage control, second memory, described second data flow control is for the view data that receives from main control module and be sent to the 2nd USB controller, described second data flow control is used for view data to be sent to digital scene generator, and described second storage control is connected between described second data flow control and second memory.
7. as claimed in claim 1 for the image control apparatus of digital scene generator, it is characterized in that, described view data output module comprises communication controler, image time schedule controller, transceiver, storage control and image buffer, described communication controler is for connecting main control module, image time schedule controller connects transceiver and storage control, storage control connects image buffer, and transceiver connection layout is as time schedule controller and export data to information processing system.
8., as claimed in claim 6 for the image control apparatus of digital scene generator, it is characterized in that, described transceiver is LVDS interface.
9. a digital scene generator, is characterized in that, comprises the image control apparatus of the digital scene generator as described in claim 1 to 8 any one, also comprises a number of units word scene and produces computer.
10. the display control method for digital scene generator, it is characterized in that, comprise the following steps: step 1, the DID being produced Practical computer teaching by scene is sent to the image data memory of main control module by view data receiver module;
Step 2, to receiver module receive control send instruction, image control buffer is set, configuration image time schedule controller;
Step 3, produce the sequential needed for output image by image time schedule controller, comprise capable field total pixel number, effective width, synchronous width, front width etc.;
Step 4, send to windowing operations device instruction of windowing, the original position that image exports is changed to a position of whole window part size, then to view data carry out the window's position size adjustment, gain-adjusted, the time of integration regulate, add make an uproar process after, under exposure sync signal controlling chronologically by process after view data send to view data output module;
Step 5, by view data output module, view data is converted to corresponding level and outputs to information processing system.
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