CN103414869A - Police transparent window imaging reconnaissance system - Google Patents
Police transparent window imaging reconnaissance system Download PDFInfo
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- CN103414869A CN103414869A CN2013102537026A CN201310253702A CN103414869A CN 103414869 A CN103414869 A CN 103414869A CN 2013102537026 A CN2013102537026 A CN 2013102537026A CN 201310253702 A CN201310253702 A CN 201310253702A CN 103414869 A CN103414869 A CN 103414869A
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Abstract
The invention discloses a police transparent window imaging reconnaissance system, which comprises a host and a video display terminal. The police transparent window imaging reconnaissance system is characterized in that the host comprises an infrared laser provided with a laser beam expander, a camera compound lens provided with an infrared enhancing CCD, a digital processor DSP and two single chip microcomputers, wherein the video display terminal comprises a display and a controller, the infrared laser emits infrared rays with particular wavelength after beam expanding homogenization treatment for irradiating a reconnaissance target, the infrared rays are subjected to enhanced imaging by the infrared enhancing CCD via the camera compound lens, acquired video signals are processed by the DSP via a video acquisition decoder, the processed video signals are output to the display of the video display terminal through a video decoding chip via the first single chip microcomputer for real-time display, meanwhile, the DSP sends three paths of control commands through the second single chip microcomputer, so as to perform feedback control on the camera compound lens and the infrared enhancing CCD by regulating spot size through the laser beam expander, and to regulate optical axises to be uniform; and the controller of the video display terminal outputs control signals to be connected with the second single chip microcomputer.
Description
Technical field
The present invention relates to a kind of police ferreting device, particularly a kind of police Reconnaissance system that closed room glass, dark glass, all kinds of vehicle window (comprising pad pasting) inside is carried out to the photoelectricity perspective imaging.
Background technology
Due to popularizing of urbanization process and the vehicles, a lot of criminal activities occur in closed room and vehicular traffic, because its internal environment is darker, add the vehicle glass pad pasting, make glass surface form minute surface, this minute surface causes strong comparison of light and shade, reflective and inverted image, making the investigator can't see through windowpane observes its inside, because traditional means (directly observe by human eye, telescope is observed or conventional photoelectronic imaging equipment is observed) all can not realize the window imaging through glass, the investigation of disposing this class criminal activity to the public security officer brings difficulty, therefore in the urgent need to a kind of Reconnaissance system that can realize the saturating window imaging function of glass.
Summary of the invention
The objective of the invention is conventional infrared eye is improved, a kind of police window photoelectronic imaging Reconnaissance system that can monitor round the clock closed room glass, dark glass, all kinds of vehicle window (comprising pad pasting) inside is provided.
For reaching above purpose, the present invention takes following technical scheme to be achieved:
A kind of police window imaging Reconnaissance system, but the main frame that comprise portable mobile, be fixed on roof or assigned address, aligning will be monitored target of investication, but portable mobile, be arranged on away from the control room of main frame or the video display terminal of control centre, it is characterized in that, main frame comprises infrared laser, the shooting compound lens with infrared intensified CCD, digital processing unit DSP and two single-chip microcomputers with laser beam expanding lens; Video display terminal comprises display and controller, and the shooting compound lens is formed by connecting by polarid filter head, the long burnt infrared coated lens of electric control zooming, infrared wavelength gating optical lens; The specific wavelength infrared ray of infrared laser emission through expanding after homogenizing is processed irradiates target of investication, after light ran into window, object reflexed to the shooting compound lens, after shooting compound lens filtering veiling glare, by infrared intensified CCD Enhanced Imaging, then by DSP, the vision signal collected is amplified to processing through a video acquisition decoder; Vision signal after processing shows by the display that a video decoding chip exports video display terminal in real time through the first single-chip microcomputer, simultaneously, DSP sends three tunnel control commands by with the second singlechip bi-directional data, exchanging, one tunnel connects infrared laser, adjusts spot size by laser beam expanding lens; Another two-way connects the shooting compound lens and infrared intensified CCD carries out FEEDBACK CONTROL to compound lens and infrared intensified CCD, adjusts optical axis unified; The controller output control signal of video display terminal is connected to second singlechip.
In such scheme, described video display terminal also comprises a DVR be connected with the display two-phase, and in main frame, the output control command of second singlechip is connected with a video memory storage that realizes the window imaging signal by this DVR; By this DVR, be connected with a wireless transmitter module simultaneously, realize the image wireless of storing in video memory is transferred to the function of a plurality of palm displays.
Described video memory comprises Fixed disk HD, USB flash disk or SD storage card.Described the first single-chip microcomputer is realized processing the storage of rear video signal by connecting an internal storage.Described second singlechip exports video display terminal to again by a buffer memory EPROM.
The saturating window imaging of the present invention operation principle is: (1) host computer control circuit is controlled laser beam expanding lens, the long burnt infrared coated lens of electric control zooming, realize the unification of the self adaptation infrared optical axis of adjustment and zoom lens optical axis, realize infrared laser and telephoto lens self adaptation zoom, zoom.(2) by the host computer control circuit, laser beam expanding lens is controlled and adjusted spot size, the specific wavelength infrared ray of emission through expanding after homogenizing is processed irradiates target, utilize the diffraction penetration capacity of long-wave infrared to penetrate glass and pad pasting, improve glass back personage, object reflecting brightness.(3) polarid filter head, the long burnt infrared coated lens of electric control zooming, infrared wavelength gating optical lens, the infrared intensified CCD of sense connect successively, can the polarised light of reflection of glass surface be filtered, the specific wavelength infrared ray responsive is gathered, and other wavelength light are filtered, by CCD, gather infrared image signal.(4) DSP picture signal that CCD is collected strengthens processing, realizes strengthening infrared imaging.By the filtering to glass-reflected polarised light and various wavelength veiling glares, make CCD only to the specific wavelength image formation by rays, and through DSP, signal is amplified to strengthen and process the saturating window imaging investigation function round the clock realized all kinds of glass and adhering film to glass.The police window imaging of the present invention Reconnaissance system, can well realize glass and pad pasting are carried out to perspective imaging, solved the saturating window investigation that occurs in closed room and the inner illegal activity of vehicular traffic in fields such as anti-hijacking, criminal investigation, frontier defense anti-smuggling drug law enforcement, for ensureing that social security is stable, the people life property safety has made outstanding contribution.
The accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention.
Fig. 2 is the saturating window imaging of system of the present invention fundamental diagram.
Fig. 3 is the saturating window lens construction of the combination in system of the present invention figure.
Fig. 4 is window imaging effect comparison diagram.Wherein a, c are traditional imaging device shooting effect photo; B, d are system shooting effect photo of the present invention.
Embodiment
Referring to Fig. 1, the police window imaging of the present invention Reconnaissance system comprises main frame, video display terminal, wireless hand-held display three parts.
Wherein, main frame consists of infrared laser and laser beam expanding lens, shooting compound lens and infrared intensified CCD, dsp processor, the control circuit that comprises two single-chip microcomputers, battery, cabinet etc.Main frame can be connected with The Cloud Terrace, tripod; Also can be fixed on roof or assigned address, aim at the target that will monitor investigation.
In the main frame of Fig. 1 forms, infrared laser is connected with laser beam expanding lens, the shooting compound lens is connected with infrared intensified CCD, respectively infrared laser, shooting compound lens, infrared intensified CCD is controlled by the second singlechip output three tunnel control signals of control circuit.The road signal that infrared laser is controlled is adjusted to spot size by laser beam expanding lens, the specific wavelength infrared ray of emission through expanding after homogenizing is processed irradiates target of investication, utilize the unicity of infrared laser and excellent penetration capacity to penetrate coloured glass and pad pasting, after light ran into window, object reflected; After shooting compound lens filtering veiling glare, by infrared enhancing CC Enhanced Imaging, then by digital processing unit DSP, the vision signal collected is amplified to processing through video acquisition decoder (optional model SAA7115 etc.); Vision signal after processing exports video display terminal through the first single-chip microcomputer (optional model XC2S300 etc.) to by video decoding chip and shows in real time and store by internal memory or flash memory.Simultaneously, digital processing unit DSP sends three tunnel control commands by second singlechip (optional model C 8051F020 etc.), can, to laser beam expanding lens, compound lens and infrared intensified CCD are carried out to FEEDBACK CONTROL, adjust optical axis unified.
Video display terminal has video storage and wireless transmitting function, be arranged on control room or control centre away from main frame, by DVR, harddisk memory, display, controller, wireless transmitter module etc., formed, wherein, the control command of controller output is connected with second singlechip by cable, and remote controlled main frame carries out window imaging work; The saturating window imaging signal of video decoding chip output is connected with display by cable, realizes the function at the real-time display monitoring of display terminal; The output control command of main frame second singlechip is connected with DVR by cable, can realize that the window imaging signal is stored, wireless transmission is controlled, namely by harddisk memory, preserve image, or a plurality of palm displays that video image are sent to through wireless transmitter module, for investigator's telemonitoring.
Referring to Fig. 2, realize the window imaging task, need to eliminate luminance difference and the harmful veiling glare of filtering of glass (pad pasting) back object and glass reflecting face, the know-why of system of the present invention is: (1) infrared laser emission single wavelength infrared laser, irradiate the target glass window after laser beam expanding lens expands; (2) by second singlechip, controlled the unification of laser beam expanding lens and shooting compound lens optical axis, the compound lens that makes to make a video recording can effectively receive the infrared laser that imaging object reflects, and reduces luminance difference with this; (3) an infrared laser irradiation back reflection light part is the polarization veiling glare by the glass pane reflection, and this part is harmful to imaging; Major part is the light that the object that will investigate sees through glass-reflected.In compound lens, glass-reflected polarization veiling glare is carried out to filtering, by telephoto lens and long-pass infrared filtering camera lens, the infrared laser reflected is received, its commplementary wave length veiling glare is carried out to filtering, make infrared intensified CCD only to the specific wavelength image formation by rays, by the DSP circuit, picture signal is processed, and the imaging of FEEDBACK CONTROL lens zoom, through special-purpose software, picture signal is strengthened after processing the purpose that reaches window imaging investigation.
Referring to accompanying drawing 3, the shooting compound lens is linked in sequence and is formed by polarid filter head 101, the long burnt infrared coated lens 102 of electric control zooming, infrared wavelength gating optical lens 103, with infrared intensified CCD 104, is connected for receiving and process the picture signal of window reflection.
Referring to the saturating window imaging effect contrast of Fig. 4, no matter system of the present invention, through actual test, is can both reach imaging effect preferably to automobile adhesive film glass or to the building dark glass.Solved the problem that traditional all kinds of imaging device can not carry out the perspective imaging investigation to vehicle window, pad pasting, building dark glass.Realized that the fields such as anti-hijacking, criminal investigation, frontier defense anti-smuggling drug law enforcement occur in closed room and vehicular traffic inside is investigated the saturating window of illegal activity, can contribute for social safety is stable.
Claims (5)
1. police window imaging Reconnaissance system, but the main frame that comprise portable mobile, be fixed on roof or assigned address, aligning will be monitored target of investication, but portable mobile, be arranged on away from the control room of main frame or the video display terminal of control centre, it is characterized in that, main frame comprises infrared laser, the shooting compound lens with infrared intensified CCD, digital processing unit DSP and two single-chip microcomputers with laser beam expanding lens; Video display terminal comprises display and controller, and the shooting compound lens is formed by connecting by polarid filter head, the long burnt infrared coated lens of electric control zooming, infrared wavelength gating optical lens; The specific wavelength infrared ray of infrared laser emission through expanding after homogenizing is processed irradiates target of investication, after light ran into window, object reflexed to the shooting compound lens, after shooting compound lens filtering veiling glare, by infrared intensified CCD Enhanced Imaging, then by DSP, the vision signal collected is amplified to processing through a video acquisition decoder; Vision signal after processing shows by the display that a video decoding chip exports video display terminal in real time through the first single-chip microcomputer, simultaneously, DSP sends three tunnel control commands by with the second singlechip bi-directional data, exchanging, one tunnel connects infrared laser, adjusts spot size by laser beam expanding lens; Another two-way connects the shooting compound lens and infrared intensified CCD carries out FEEDBACK CONTROL to compound lens and infrared intensified CCD, adjusts optical axis unified; The controller output control signal of video display terminal is connected to second singlechip.
2. police window imaging Reconnaissance system as claimed in claim 1, it is characterized in that, described video display terminal also comprises a DVR be connected with the display two-phase, and in main frame, the output control command of second singlechip is connected with a video memory storage that realizes the window imaging signal by this DVR; By this DVR, be connected with a wireless transmitter module simultaneously, realize the image wireless of storing in video memory is transferred to the function of a plurality of palm displays.
3. police window imaging Reconnaissance system as claimed in claim 2, is characterized in that, described video memory comprises Fixed disk HD, USB flash disk or SD storage card.
4. police window imaging Reconnaissance system as claimed in claim 1, is characterized in that, described the first single-chip microcomputer is realized processing the storage of rear video signal by connecting an internal storage.
5. police window imaging Reconnaissance system as claimed in claim 1, is characterized in that, described second singlechip exports video display terminal to again by a buffer memory EPROM.
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| CN201310253702.6A CN103414869B (en) | 2013-06-24 | 2013-06-24 | A kind of police window imaging Reconnaissance system |
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| CN201310253702.6A CN103414869B (en) | 2013-06-24 | 2013-06-24 | A kind of police window imaging Reconnaissance system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792591A (en) * | 2014-03-06 | 2014-05-14 | 江苏北方湖光光电有限公司 | Day and night photoelectric through-window detection system |
| CN108983531A (en) * | 2018-08-28 | 2018-12-11 | 中盾金卫激光科技（昆山）有限公司 | A kind of saturating glass permeable membrane video camera of the narrow light spectrum image-forming of all-weather infrared |
| CN110197124A (en) * | 2019-04-30 | 2019-09-03 | 北京集光通达科技股份有限公司 | Face identification system and method |
| CN114283581A (en) * | 2021-12-27 | 2022-04-05 | 安徽达尔智能控制系统股份有限公司 | Rural road safety comprehensive management method and system |
| CN114415202A (en) * | 2022-03-28 | 2022-04-29 | 北京中科飞鸿科技股份有限公司 | Tracking system for laser investigation equipment based on image processing |
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| CN102592335A (en) * | 2010-12-14 | 2012-07-18 | 施乐公司 | Determining a total number of people in an ir image obtained via an ir imaging system |
| CN202856895U (en) * | 2012-06-26 | 2013-04-03 | 史峻捷 | Vehicle interior perspective device |
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| JP2006098847A (en) * | 2004-09-30 | 2006-04-13 | Showa Electric Wire & Cable Co Ltd | Photographing apparatus with illumination |
| CN101795397A (en) * | 2010-01-27 | 2010-08-04 | 北京交通大学 | Infrared imaging method for detecting passengers in vehicle |
| CN102592335A (en) * | 2010-12-14 | 2012-07-18 | 施乐公司 | Determining a total number of people in an ir image obtained via an ir imaging system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792591A (en) * | 2014-03-06 | 2014-05-14 | 江苏北方湖光光电有限公司 | Day and night photoelectric through-window detection system |
| CN108983531A (en) * | 2018-08-28 | 2018-12-11 | 中盾金卫激光科技（昆山）有限公司 | A kind of saturating glass permeable membrane video camera of the narrow light spectrum image-forming of all-weather infrared |
| CN110197124A (en) * | 2019-04-30 | 2019-09-03 | 北京集光通达科技股份有限公司 | Face identification system and method |
| CN114283581A (en) * | 2021-12-27 | 2022-04-05 | 安徽达尔智能控制系统股份有限公司 | Rural road safety comprehensive management method and system |
| CN114415202A (en) * | 2022-03-28 | 2022-04-29 | 北京中科飞鸿科技股份有限公司 | Tracking system for laser investigation equipment based on image processing |
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| CN103414869B (en) | 2016-03-16 |
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Inventor after: Xing Chunhong Inventor after: Yang Zhongying Inventor after: Qiao Xiaohui Inventor after: Wang Zhigang Inventor after: Yang Min Inventor before: Xing Chunhong Inventor before: Yang Zhongying Inventor before: Qiao Xiaohui Inventor before: Wang Zhigang Inventor before: Yang Min |
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