CN105635679A - Active anti-glare night vision system of vehicle-mounted special device and realization method - Google Patents
Active anti-glare night vision system of vehicle-mounted special device and realization method Download PDFInfo
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- CN105635679A CN105635679A CN201511025737.XA CN201511025737A CN105635679A CN 105635679 A CN105635679 A CN 105635679A CN 201511025737 A CN201511025737 A CN 201511025737A CN 105635679 A CN105635679 A CN 105635679A
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- infrared
- module
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- night vision
- vehicle
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- 230000004297 night vision Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 15
- 239000002086 nanomaterial Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000004313 glare Effects 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003331 infrared imaging Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Abstract
The invention discloses an active anti-glare night vision system of a vehicle-mounted special device. The special device comprises an infrared laser light compensation module, an infrared narrowband filtering module, an infrared lens imaging module, a light sensing module and an image processing module. The infrared narrowband filtering module receives rays, which irradiate on and are reflected from an object or the ground, of the infrared light compensation module. The infrared lens imaging module is arranged behind the infrared narrowband filtering module. The light sensing module and the image processing module are arranged behind the infrared lens imaging module. The infrared laser light compensation module is formed by a semiconductor laser unit, a laser irradiation angle adjusting unit and a laser homogenizing unit. The invention also discloses a realization method of the active anti-glare night vision system of the vehicle-mounted special device. The active anti-glare night vision system is advantaged by capability of actively eliminating glare.
Description
Technical field
The present invention relates to mobile unit, especially relate to active anti-dazzle night vision system and the implementation method of a kind of vehicle-mounted special type equipment that can initiatively eliminate dazzle.
Background technology
Along with the fast development of vehicle-mounted technology, automobile auxiliary vision system is as more and more extensive in on-vehicle night vision instrument, Tachographs etc. are applied in every field; Conventional on-vehicle night vision instrument night vision is apart from short, and poor in image definition, can not effectively solve the glare problem of driving at night, seriously have impact on the effect of on-vehicle night vision instrument.
Summary of the invention
For solving the glare problem of driving at night, it is an object of the invention to provide the active anti-dazzle night vision system of a kind of vehicle-mounted special type equipment that can initiatively eliminate dazzle.
The present invention is realized by following technical measures, the active anti-dazzle night vision system of a kind of vehicle-mounted special type equipment, comprise infrared laser supplementary lighting module, reception infrared laser supplementary lighting module is irradiated on object or road surface and carrys out the infrared arrowband filtration module of light from object or road reflection, the infrared lens image-forming module being arranged on filtration module rear, infrared arrowband, is arranged on photosensitive module and the image procossing module at infrared lens image-forming module rear; Described infrared laser supplementary lighting module is made up of semiconductor laser unit, laser illuminator angle regulating unit and laser homogenizing unit.
As a kind of optimal way, described laser homogenizing unit is the glass mirror with micro-nano structure.
As a kind of optimal way, described in there is micro-nano structure glass mirror by its vibration of a drive unit drives or rotate.
As a kind of optimal way, described semiconductor laser unit adopts the infrared laser light source of high-power 808nm or 850nm.
As a kind of optimal way, described laser illuminator angle regulating unit is the set of lenses comprising beam expanding lens and condensing lens.
As a kind of optimal way, described infrared lens image-forming module is provided with the anti-reflection coating for infrared band.
As a kind of optimal way, described photosensitive module is ccd sensor
The invention also discloses the implementation method of the active anti-dazzle night vision of a kind of vehicle-mounted special type equipment, comprise the steps:
The first step: the light that semiconductor laser unit sends through laser illuminator angle regulating unit and laser homogenizing unit to irradiating that laser expands, penetrate to object or road surface after focusing process and light spot homogenizing;
2nd step: the light that the external world injects filters through infrared arrowband filtration module, infrared arrowband filtration module allows infrared laser supplementary lighting module be irradiated on object or road surface and the infrared laser that comes from object or road reflection passes through, and the light comprising most of wavelength of Ben Che and the injection of other vehicle is filtered by infrared arrowband filtration module;
3rd step: the light filtered through infrared arrowband filtration module shows after giving image procossing resume module after photosensitive module acquires.
As a kind of optimal way, described laser homogenizing unit is the glass mirror of a micro-nano structure.
As a kind of optimal way, the glass mirror of described micro-nano structure carries out vibrating or rotating under a drive unit drives.
The infrared arrowband filtration module of the present invention is the spectral filter that most light that car light is sent by light height to 808nm or 850nm that infrared semiconductor laser unit sends thoroughly filter. Because mending the narrow wavelength range of light laser, and the light that automobile lamp sends is generally continuous wavelength wide-band spectrum, therefore can by special infrared arrowband coating film treatment selectively allow mend light infrared laser pass through, and the light of most wavelength of car light is stopped and not by. Like this after passing through spectral filter, the intensity of the light of car light just significantly reduces, thus realizes the object eliminating dazzle. The present invention mends light technology by infrared laser and infrared arrowband optical filtering technology solves current on-vehicle night vision instrument Problems existing, it is achieved that initiatively anti-dazzle Vehicular night vision system.
Accompanying drawing explanation
Fig. 1 is schematic diagram during embodiment of the present invention work;
Fig. 2 is the structure block diagram of embodiment of the present invention infrared laser supplementary lighting module.
Embodiment
Below in conjunction with embodiment and compare accompanying drawing and the present invention be described in further detail.
The active anti-dazzle night vision system of a kind of vehicle-mounted special type equipment and implementation method, please refer to Fig. 1 and Fig. 2, initiatively anti-dazzle night vision system comprises infrared laser supplementary lighting module 100, reception infrared laser supplementary lighting module 100 is irradiated on object or road surface 500 and reflects the infrared arrowband filtration module 200 of light from object or road surface 500, the infrared lens image-forming module 300 being arranged on filtration module 200 rear, infrared arrowband, is arranged on photosensitive module and the image procossing module 400 at infrared lens image-forming module 300 rear; Described infrared laser supplementary lighting module 100 is made up of semiconductor laser unit 101, laser illuminator angle regulating unit 102 and laser homogenizing unit 103;
The implementation method of the active anti-dazzle night vision of this kind of vehicle-mounted special type equipment, comprises the steps:
The first step: laser expands and will penetrate to object or road surface 600 after light spot homogenizing through laser homogenizing unit 103 again after focusing process the light that semiconductor laser unit 101 sends to irradiating through laser illuminator angle regulating unit 102;
2nd step: the light that the external world injects filters through infrared arrowband filtration module 200, infrared arrowband filtration module 200 allows infrared laser supplementary lighting module 100 be irradiated on object or road surface 600 and the infrared laser that comes from object or road reflection passes through, and the car light 500 comprising most of wavelength of Ben Che and the injection of other vehicle is filtered by infrared arrowband filtration module 200;
3rd step: the light filtered through infrared arrowband filtration module 200 shows after giving image procossing resume module after photosensitive module acquires.
Described infrared laser supplementary lighting module 100 comprises semiconductor laser module 101, laser illuminator angular adjustment module 102 and laser homogenizing module 103. Semiconductor laser module adopts the infra-red laser diode of high-power 808nm or 850nm; Laser illuminator angular adjustment module is made up of a set of lenses, and it comprises beam expanding lens and condensing lens etc., is used for respectively being expanded by irradiation laser and focusing process, to mate the requirement at the visual angle of different camera lens; Due to the high coherency of laser, if direct laser carry out night vision illumination night vision image can be brought to occur laser falls apart the problem of spot (namely light shadow surface occurs that light and shade is interlocked brightness disproportionation situation), must carry out light spot homogenizing process to laser for this reason. The laser homogenizing sheet that this patent adopts is the glass mirror with micro-nano diffraction structure, it is possible not only to realize the Homogenization Treatments to laser facula, and transmitance is up to more than 95%, transmitance than adopt tradition mat glass 60% 70% improves a lot, make image more clear, can thoroughly eliminate laser speckle phenomena.
The infrared arrowband filtration module 200 of native system is the spectral filter that most light that car light is sent by light height to 808nm or 850nm that infrared semiconductor laser unit 101 sends thoroughly filter. Because mending the narrow wavelength range of light laser, and the light that automobile lamp sends is generally continuous wavelength wide-band spectrum, therefore can by special infrared arrowband coating film treatment selectively allow mend light infrared laser pass through, and the light of most wavelength of car light is stopped and not by. Like this after passing through spectral filter, the intensity of the light of car light just significantly reduces, thus realizes the object eliminating dazzle. Native system mends light technology by infrared laser and infrared arrowband optical filtering technology solves current on-vehicle night vision instrument Problems existing, it is achieved that initiatively anti-dazzle Vehicular night vision system.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, please refer to Fig. 2, on the basis of previous technique scheme can also be specifically, and laser homogenizing unit 103 is for having the glass mirror of micro-nano structure; The glass mirror of micro-nano structure is possible not only to realize the Homogenization Treatments of laser facula, and transmitance is up to more than 95%, and the transmitance than adopt tradition mat glass 60% 70% improves a lot.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, the basis of previous technique scheme can also be specifically, the basis of previous technique scheme can also be specifically, the glass mirror of micro-nano structure can by one driving unit (motor) drive under carry out vibrating or rotating, thus make evenization better effects if evenly.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, please refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme can also be specifically, and semiconductor laser unit 101 adopts the infrared laser light source of high-power 808nm or 850nm. Infrared imaging module 300 in native system adopts the 7 full glass mirror structures of chip, and it is coated with the anti-reflection film of wide infrared light scope (800-1000nm), lens barrel has delustring helicitic texture and lens barrel inwall has done delustring process, has excellent anti-dazzle function.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, please refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme can also be specifically, and laser illuminator angle regulating unit is the set of lenses comprising beam expanding lens and condensing lens.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, please refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme can also be specifically, and infrared lens image-forming module is provided with the anti-reflection coating for infrared band.
The active anti-dazzle night vision system of the vehicle-mounted special type equipment of the present embodiment and implementation method, please refer to Fig. 1 and Fig. 2, on the basis of previous technique scheme can also be specifically, on the basis of previous technique scheme can also be specifically, and photosensitive module is ccd sensor. Ccd sensor has illumination highly sensitive, the response of wide infrared wavelength and wide responding range, is applicable to very much the application of night infrared imaging.
It is more than that the active anti-dazzle night vision system to the vehicle-mounted special type equipment of the present invention and implementation method have been set forth; the present invention is understood for helping; but embodiments of the present invention are not restricted to the described embodiments; any do not deviate from the principle of the invention under do change, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, it is included in protection scope of the present invention.
Claims (10)
1. the active anti-dazzle night vision system of a vehicle-mounted special type equipment, it is characterized in that: comprise infrared laser supplementary lighting module, reception infrared laser supplementary lighting module is irradiated on object or road surface and carrys out the infrared arrowband filtration module of light from object or road reflection, the infrared lens image-forming module being arranged on filtration module rear, infrared arrowband, is arranged on photosensitive module and the image procossing module at infrared lens image-forming module rear; Described infrared laser supplementary lighting module is made up of semiconductor laser unit, laser illuminator angle regulating unit and laser homogenizing unit.
2. the active anti-dazzle night vision system of vehicle-mounted special type equipment according to claim 1, it is characterised in that: described laser homogenizing unit is the glass mirror with micro-nano structure.
3. the active anti-dazzle night vision system of vehicle-mounted special type equipment according to claim 2, it is characterised in that: described in there is micro-nano structure glass mirror by its vibration of a drive unit drives or rotate.
4. according to the active anti-dazzle night vision system of the arbitrary described vehicle-mounted special type equipment of claims 1 to 3, it is characterised in that: described semiconductor laser unit adopts the infrared laser light source of high-power 808nm or 850nm.
5. according to the active anti-dazzle night vision system of the arbitrary described vehicle-mounted special type equipment of claims 1 to 3, it is characterised in that: described laser illuminator angle regulating unit is the set of lenses comprising beam expanding lens and condensing lens.
6. according to the active anti-dazzle night vision system of the arbitrary described vehicle-mounted special type equipment of claims 1 to 3, it is characterised in that: described infrared lens image-forming module is provided with the anti-reflection coating for infrared band.
7. according to the active anti-dazzle night vision system of the arbitrary described vehicle-mounted special type equipment of claims 1 to 3, it is characterised in that: described photosensitive module is ccd sensor
8. the implementation method of the active anti-dazzle night vision of a vehicle-mounted special type equipment, it is characterised in that comprise the steps:
The first step: the light that semiconductor laser unit sends through laser illuminator angle regulating unit and laser homogenizing unit to irradiating that laser expands, penetrate to object or road surface after focusing process and light spot homogenizing;
2nd step: the light that the external world injects filters through infrared arrowband filtration module, infrared arrowband filtration module allows infrared laser supplementary lighting module be irradiated on object or road surface and the infrared laser that comes from object or road reflection passes through, and the light comprising most of wavelength of Ben Che and the injection of other vehicle is filtered by infrared arrowband filtration module;
3rd step: the light filtered through infrared arrowband filtration module shows after giving image procossing resume module after photosensitive module acquires.
9. the implementation method of the active anti-dazzle night vision of vehicle-mounted special type equipment according to claim 8, it is characterised in that: described laser homogenizing unit is the glass mirror of a micro-nano structure.
10. the implementation method of the active anti-dazzle night vision of vehicle-mounted special type equipment according to claim 9, it is characterised in that: the glass mirror of described micro-nano structure carries out vibrating or rotating under a drive unit drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511025737.XA CN105635679A (en) | 2015-12-30 | 2015-12-30 | Active anti-glare night vision system of vehicle-mounted special device and realization method |
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| CN201511025737.XA CN105635679A (en) | 2015-12-30 | 2015-12-30 | Active anti-glare night vision system of vehicle-mounted special device and realization method |
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| CN105635679A true CN105635679A (en) | 2016-06-01 |
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| CN201511025737.XA Pending CN105635679A (en) | 2015-12-30 | 2015-12-30 | Active anti-glare night vision system of vehicle-mounted special device and realization method |
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Cited By (5)
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| CN107172330A (en) * | 2017-04-26 | 2017-09-15 | 哈尔滨惠软科技发展有限公司 | A kind of anti-dazzle processing system for video of internet hospital |
| CN108340837A (en) * | 2018-04-25 | 2018-07-31 | 深圳新亮智能技术有限公司 | Vehicle night vision DAS (Driver Assistant System) |
| CN108563084A (en) * | 2018-05-25 | 2018-09-21 | 深圳新亮智能技术有限公司 | Multi-structured light pattern three-dimensional sensing system |
| CN108828769A (en) * | 2018-05-25 | 2018-11-16 | 深圳新亮智能技术有限公司 | The laser monitoring system of occupant |
| CN111641786A (en) * | 2020-05-21 | 2020-09-08 | 北京集光通达科技股份有限公司 | Method for improving snapshot imaging effect |
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Application publication date: 20160601 |