CN102829881A - High-resolution micro scanning infrared imaging device - Google Patents
High-resolution micro scanning infrared imaging device Download PDFInfo
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- CN102829881A CN102829881A CN2011104233581A CN201110423358A CN102829881A CN 102829881 A CN102829881 A CN 102829881A CN 2011104233581 A CN2011104233581 A CN 2011104233581A CN 201110423358 A CN201110423358 A CN 201110423358A CN 102829881 A CN102829881 A CN 102829881A
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Abstract
The invention relates to a high-resolution micro scanning infrared imaging device. The high-resolution micro scanning infrared imaging device comprises a detector driving device, wherein an output end of the detector driving device is connected with an input end of a detector, an output end of the detector is connected with a control input end of a micro scanning lens, a driving input end of the micro scanning lens is connected with a micro scanning lens driving device, a control output end of the micro scanning lens is connected with an input end of a data acquisition device, an output end of the data acquisition device is connected with an input end of an infrared image pre-processing device, and an output end of the infrared image pre-processing device is connected with an input end of the detector driving device and an input end of an infrared micro scanning image reconstruction device respectively in a controlling manner. The high-resolution micro scanning infrared imaging device is formed by the micro scanning lens and the infrared micro scanning image reconstruction device; and the purpose of improving the resolution of an infrared system is achieved by technical means of optical imaging, digital imaging and the like.
Description
Technical field
The invention belongs to image processing field, relate to a kind of high-resolution micro scanned infrared imaging device of infrared image processing technology.
Background technology
The method that improves optical imaging system resolution is the direction that people constantly make great efforts always; Except that the performance that improves imaging system associated components (like optical system focal length and aperture, detector etc.), improve photoelectronic imaging resolution through contemporary optics and Digital Signal Processing and become one of important directions of domestic and international development.Micro scanning imaging technique based on discrete area array CCD/cmos detector enjoys domestic and international concern in recent years, has been proved to be under detector and optical system restriction, to improve the effective ways of imaging system resolution.At present; The application that the micro scanning imaging technique has been succeedd in space flight and aviation photo electric imaging system, high-performance thermal imaging system, high resolution CCD imaging system; And notion, theory, algorithm and gordian technique constantly obtain new progress, show vast potential for future development.Under the situation that especially can't significantly improve in the recent period present performances of IR, the micro scanning imaging has become the important method that improves the infrared system imaging resolution.
Summary of the invention
The high-resolution micro scanning infreared imaging device that the purpose of this invention is to provide a kind of stable performance.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of high-resolution micro scanned infrared imaging device; This device comprises the detector drive unit; The input end control linkage of the output terminal of said detector drive unit and infrared eye, the output terminal of infrared eye links to each other with the control input end of micro scanning mirror, and the driving input end of micro scanning mirror is connected with the micro scanning mirror drive; The control output end of micro scanning mirror is connected with the input end of data collector; The output terminal of data collector links to each other with the input end of Infrared images pre-processing device, the output terminal of Infrared images pre-processing device respectively with the input end control linkage of the input end and the infrared micro scanning image reconstruction device of detector drive unit, the output terminal of infrared micro scanning image reconstruction device is connected with micro scanning image/video synthesizer.
Said detector drive unit adopts low jitter high precision clock drive source to drive infrared eye and is operated in high speed, high frame frequency state.
Said data collector adopts the synchronous analog to digital conversion circuit of multichannel to gather the high speed output of infrared eye.
Said Infrared images pre-processing device adopts the pipeline system completion to carry out the processing of infrared image.
Said micro scanning mirror drive adopts the work of piezoelectric ceramics control micro scanning mirror.
Said infrared micro scanning image reconstruction device adopts the high capacity static memory to carry out data storing.
Said infrared micro scanning image reconstruction device adopts the closest approach method of interpolation in real time the original infrared image of micro scanning mirror imaging to be carried out reconstruct.
Said infrared micro scanning image reconstruction device adopts the high capacity static memory to carry out data storage.
Said micro scanning image/video synthesizer adopts high frame frequency digital video driving circuit to carry out the image demonstration.
Said micro scanning image/video synthesizer adopts the high-speed high capacity pushup storage to carry out data storage.
High-resolution micro scanned infrared imaging device of the present invention adopts devices such as micro scanning mirror, micro scanning image reconstruction device to form high-resolution micro scanned infrared imaging device; Under the prerequisite that this device does not have to improve in infrared eye resolution; Reach the purpose that improves infrared system resolution through technological means such as optical imagery and Digital Image Processing, made existing infrared imaging system can satisfy more high-end technical requirement.
Description of drawings
Fig. 1 is a high-resolution micro scanned infrared imaging device schematic diagram of the present invention;
Fig. 2 is a high-resolution micro scanned infrared imaging device embodiment schematic diagram of the present invention.
Embodiment
Be illustrated in figure 1 as high-resolution micro scanned infrared imaging device schematic diagram of the present invention; Can know by figure; This device comprises the high-resolution detector drive unit; The input end control linkage of the output terminal of said detector drive unit and infrared eye, the output terminal of infrared eye links to each other with the control input end of micro scanning mirror, and the driving input end of micro scanning mirror is connected with the micro scanning mirror drive; The control output end of micro scanning mirror is connected with the input end of data collector; The output terminal of data collector links to each other with the input end of Infrared images pre-processing device, the output terminal of Infrared images pre-processing device respectively with the input end control linkage of the input end and the infrared micro scanning image reconstruction device of detector drive unit, the output terminal of infrared micro scanning image reconstruction device is connected with micro scanning image/video synthesizer.
The detector drive unit of driving high definition infrared eye of the present invention work adopts low jitter high precision clock drive source to drive infrared eye and is operated in high speed, high frame frequency state; Data collector adopts the synchronous analog to digital conversion circuit of multichannel to gather the infrared eye data and carries out high speed output; The device that image data is carried out Infrared images pre-processing adopts pipeline system to accomplish the Nonuniformity Correction of infrared image, the replacement of bad unit, has guaranteed the real-time of data stream; The micro scanning mirror drive adopts piezoelectric ceramics accurately to control the work of micro scanning mirror; Infrared micro scanning image reconstruction device adopts the high capacity static memory to store pretreated infrared video data stream; Use the closest approach method of interpolation will be reconstructed into big battle array infrared image of a vertical frame dimension resolution through the original infrared image of four frames of micro scanning mirror imaging in real time, the mode through high capacity static memory ping-pong operation guarantees carrying out synchronously of micro scanning image reconstruction and data acquisition; Micro scanning image/video synthesizer adopts the infrared video after the micro scanning of high frame frequency digital video driving circuit drives to show, and adopts the infrared video stream after the micro scanning of high-speed high capacity pushup storage buffering.
Be illustrated in figure 2 as high-resolution micro scanned infrared imaging device embodiment schematic diagram of the present invention; Can know by figure; The Infrared images pre-processing device of this device adopts the ALTERA field programmable device EP2S90F1020I7 of company; Field programmable device is through digital signal processor TMS320LF2407 and the micro scanning mirror driver control linkage that drives the micro scanning mirror; The output of micro scanning mirror is connected with field programmable device through analog-to-digital conversion module AD9240, and field programmable device carries out serial communication through digital signal processor ADSP21160 through serial communication module XR16L2550; Field programmable device is circumscribed with high capacity pushup storage IDT72T2111, and the output terminal of high capacity pushup storage is connected with the input end of DVI video output module TFP410, and the output terminal of video output module is connected with display; Field programmable device is circumscribed with config memory EPCS64; Digital signal processor ADSP21160 is circumscribed with program storage AM29LV065D and data-carrier store W82M32, and field programmable device and digital signal processor ADSP21160 interconnect through static memory IDT70T633.In addition, this device also is circumscribed with power module and active crystal oscillator.
The above-mentioned on-the-spot ALTERA field programmable device EP2S90F1020I7 of company comprises greyscale transformation storer in Clock management module, drive control module, data acquisition and control module, nonuniformity correction module, micro scanning image reconstruction module, video synthetic controller, double port memory controller, synchronizing signal controller, the sheet.Its inner interconnected relationship is: the greyscale transformation memory controller links to each other in Clock management module and micro scanning image reconstruction module, drive control module, data acquisition and control module, nonuniformity correction device, video synthetic controller, double port memory controller, synchronizing signal controller, the sheet, and micro scanning image reconstruction module links to each other with double port memory controller, synchronizing signal controller, video synthetic controller.Config memory EPCS64 is used to solidify the internal logic of field programmable device EP2S90F1020I7.
Above-mentioned digital signal processor ADSP21160 accomplish the writing of nonuniformity correction coefficient calculations, infrared image histogram equalization, linear transformation, greyscale transformation storer, with function such as communicating by letter of host computer.Program storage AM29LV065D, data-carrier store W82M32, serial communication module XR16L2550 auxiliary digital signal processor A DSP21160 accomplish above-mentioned functions.
Above-mentioned static memory IDT70T633 uses as the working storage of micro scanning image; Output with infrared eye before carrying out the micro scanning image reconstruction is temporarily stored in the static memory; Field programmable device takes out the register map picture from static memory when carrying out micro scanning reconstruct; Reconstruct is input to high capacity pushup storage IDT72T2111 with reconstruct data after finishing successively, finally drives DVI video output module TFP410 output high resolving power micro scanning reconstructed image.
The device of driving high definition infrared eye work provides the time sequential pulse signal of driving voltage and agreement for infrared sensor, and data collector adopts multi-channel synchronous, gathers infrared sensor output and the input of collection result order carried out image data the device of Infrared images pre-processing successively according to the frequency of operation of infrared sensor.The device that image data is carried out Infrared images pre-processing adopts the mode of streamline to accomplish the nonuniformity correction and the replacement of bad unit of infrared image, is that unit deposits each high capacity static memory in the frame with infrared image then.The infrared micro scanning image reconstruction device in per four frame infrared image acquisitions storage end back reads four frame infrared images simultaneously and adopts the closest approach method of interpolation is a two field picture with four frames through the image reconstruction that the micro scanning mirror forms images, and in real time the image data stream after the reconstruct is write the high-speed high capacity pushup storage in the video synthesizer.The view data that video synthesizer display timing generator by appointment reads in the high-speed high capacity pushup storage shows the infrared micro scanning image after the reconstruct through high frame frequency digital video driving circuit at last in real time.
Claims (10)
1. high-resolution micro scanned infrared imaging device; It is characterized in that: this device comprises the detector drive unit; The input end control linkage of the output terminal of said detector drive unit and infrared eye; The output terminal of infrared eye links to each other with the control input end of micro scanning mirror; The driving input end of micro scanning mirror is connected with the micro scanning mirror drive, and the control output end of micro scanning mirror is connected with the input end of data collector, and the output terminal of data collector links to each other with the input end of Infrared images pre-processing device; The output terminal of Infrared images pre-processing device respectively with the input end control linkage of the input end and the infrared micro scanning image reconstruction device of detector drive unit, the output terminal of infrared micro scanning image reconstruction device is connected with micro scanning image/video synthesizer.
2. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said detector drive unit adopts low jitter high precision clock drive source to drive infrared eye and is operated in high speed, high frame frequency state.
3. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said data collector adopts the synchronous analog to digital conversion circuit of multichannel to gather the high speed output of infrared eye.
4. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said Infrared images pre-processing device adopts the pipeline system completion to carry out the processing of infrared image.
5. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said micro scanning mirror drive adopts the work of piezoelectric ceramics control micro scanning mirror.
6. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said infrared micro scanning image reconstruction device adopts the high capacity static memory to carry out data storing.
7. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said infrared micro scanning image reconstruction device adopts the closest approach method of interpolation in real time the original infrared image of micro scanning mirror imaging to be carried out reconstruct.
8. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said infrared micro scanning image reconstruction device adopts the high capacity static memory to carry out data storage.
9. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said micro scanning image/video synthesizer adopts high frame frequency digital video driving circuit to carry out the image demonstration.
10. high-resolution micro scanned infrared imaging device according to claim 1 is characterized in that: said micro scanning image/video synthesizer adopts the high-speed high capacity pushup storage to carry out data storage.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597921A (en) * | 2016-11-17 | 2017-04-26 | 中国航空工业集团公司洛阳电光设备研究所 | Piezoelectric ceramic control method for infrared image reconstruction and device thereof |
| CN109981966A (en) * | 2017-12-27 | 2019-07-05 | 上海德运光电技术有限公司 | A kind of super-resolution imaging camera and its imaging method |
| CN110784654A (en) * | 2019-11-26 | 2020-02-11 | 维沃移动通信有限公司 | Photographing preview method and electronic equipment |
| CN110796242A (en) * | 2019-11-01 | 2020-02-14 | 广东三维家信息科技有限公司 | Neural network model reasoning method and device, electronic equipment and readable medium |
| CN111664944A (en) * | 2020-06-16 | 2020-09-15 | 上海乂义实业有限公司 | Image stabilization, non-uniform correction and super-resolution system based on micro-scanning platform |
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| EP0511899A1 (en) * | 1991-04-30 | 1992-11-04 | Thomson-Csf | Microscanning device, infra-red camera equipped with such a device and method for manufacturing this device |
| EP0680206A1 (en) * | 1994-04-29 | 1995-11-02 | Thomson-Csf | Camera having a matrix detector equipped with a micro scanning apparatus |
| CN202631121U (en) * | 2011-12-16 | 2012-12-26 | 中国航空工业集团公司洛阳电光设备研究所 | High-resolution micro-scanning infrared imaging device |
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- 2011-12-16 CN CN2011104233581A patent/CN102829881A/en active Pending
Patent Citations (3)
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| EP0511899A1 (en) * | 1991-04-30 | 1992-11-04 | Thomson-Csf | Microscanning device, infra-red camera equipped with such a device and method for manufacturing this device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597921A (en) * | 2016-11-17 | 2017-04-26 | 中国航空工业集团公司洛阳电光设备研究所 | Piezoelectric ceramic control method for infrared image reconstruction and device thereof |
| CN109981966A (en) * | 2017-12-27 | 2019-07-05 | 上海德运光电技术有限公司 | A kind of super-resolution imaging camera and its imaging method |
| CN109981966B (en) * | 2017-12-27 | 2023-09-12 | 上海德运光电技术有限公司 | Super-resolution imaging camera and imaging method thereof |
| CN110796242A (en) * | 2019-11-01 | 2020-02-14 | 广东三维家信息科技有限公司 | Neural network model reasoning method and device, electronic equipment and readable medium |
| CN110784654A (en) * | 2019-11-26 | 2020-02-11 | 维沃移动通信有限公司 | Photographing preview method and electronic equipment |
| CN110784654B (en) * | 2019-11-26 | 2021-05-28 | 维沃移动通信有限公司 | Photographing preview method and electronic equipment |
| CN111664944A (en) * | 2020-06-16 | 2020-09-15 | 上海乂义实业有限公司 | Image stabilization, non-uniform correction and super-resolution system based on micro-scanning platform |
| CN111664944B (en) * | 2020-06-16 | 2022-10-18 | 上海乂义实业有限公司 | Image stabilization, non-uniform correction and super-resolution system based on micro-scanning platform |
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