CN103496341A - Vehicle-mounted infrared night-vision imaging system based on vehicle active safety - Google Patents
Vehicle-mounted infrared night-vision imaging system based on vehicle active safety Download PDFInfo
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- CN103496341A CN103496341A CN201310468715.5A CN201310468715A CN103496341A CN 103496341 A CN103496341 A CN 103496341A CN 201310468715 A CN201310468715 A CN 201310468715A CN 103496341 A CN103496341 A CN 103496341A
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Abstract
The invention provides a vehicle-mounted infrared night-vision imaging system based on vehicle active safety. The system comprises an infrared light source, a CCD camera, an image capture card, a thermal imaging camera, a digital processing circuit, a displayer and a vehicle speed sensor, wherein the image capture card is connected with the CCD camera, the thermal imaging camera is connected with the image capture card, and the vehicle speed sensor is connected with the digital processing circuit. The system solves the technical problem that inaccurate detection in the prior art leads to vehicle safety accidents. The system is provided with the independent active infrared camera equipment and the independent thermal imaging equipment, and therefore the advantages of an active infrared night-vision system and the advantages of a thermal imaging system can be utilized, the vision field of a driver is expanded at night, a traveling path, pedestrians and obstacles can be distinguished earlier, and reaction time of the driver is shortened greatly.
Description
Technical field
The present invention relates to a kind of vehicle-mounted imaging system, be specifically related to a kind of vehicle mounted infrared Night Vision Imaging System based on automobile active safety, belong to the automobile active safety technical field.
Background technology
In the active infrared night-viewing technology in the on-vehicle night vision system and thermal imaging, have at present that the active infrared night-viewing technology is subject to intensity of light source restriction, effectively image-forming range is short, thermal imaging is to temperature transition environment detection weak effect, inaccurate and easily cause automobile safety accident to the object of the heat of high-speed motion and the scene detection that mixes.
Summary of the invention
In order to solve prior art, exist detection inaccurate, thereby easily cause the technical matters of automobile safety accident, the invention provides a kind of vehicle mounted infrared Night Vision Imaging System based on automobile active safety.
A kind of vehicle mounted infrared Night Vision Imaging System based on automobile active safety, comprise infrared light supply, ccd video camera, the image pick-up card be connected with ccd video camera, the thermal imaging camera be connected with image pick-up card, digital processing circuit and telltale; The car speed sensor be connected with digital processing circuit.
The present invention has independently active infrared picture pick-up device and thermal imaging apparatus, the infrared night vision system of can taking the initiative and thermal imaging system advantage separately, enlarge the field range of chaufeur at night, earlier pick out driving path, pedestrian and obstacle, greatly improve the reaction time of chaufeur.
The accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention.
In figure: 1, infrared light supply; 2, ccd video camera; 3, image pick-up card; 4, thermal imaging camera; 5, digital processing circuit; 6, telltale; 7, car speed sensor.
The specific embodiment
As shown in Figure 1, vehicle mounted infrared Night Vision Imaging System based on automobile active safety provided by the invention comprises infrared light supply 1, ccd video camera 2, the image pick-up card 3 be connected with ccd video camera 2, the thermal imaging camera 4 be connected with image pick-up card 3, digital processing circuit 5 and telltale 6; The car speed sensor 7 be connected with digital processing circuit 5.
Its mid-infrared light source 1 is to obstacle emission infrared ray, obstacle by infrared reflection to ccd video camera 2, ccd video camera 2 by video signal transmission to image pick-up card 3, thermal imaging camera 4 by video signal transmission to image pick-up card 3, car speed sensor 7 by vehicle speed signal after digital processing circuit 5 is processed by digital data transmission to image pick-up card 3, then by image pick-up card 3, display is transferred to telltale 6 and is shown.
When the present invention works, at first according to the groundwork of active infrared night-viewing imaging and thermal imaging, the target (object on pedestrian and road) of analyzing on the vehicle going at night road forms mechanism and characteristics thereof with infrared reflecting and self infrared radiation of background (environment of road both sides), infra red energy density by target and background distributes, space and the time relationship of distance and automobile driving speed between goal seeking and automobile the time and space, on this basis, the target that active infrared night-viewing imaging in the infrared night vision imaging system of utilization based on automobile active safety and thermal imaging are obtained the same space and time and background infrared night vision image.When the active infrared night-viewing imaging system is worked, launch sightless infrared radiation by its infrared LED search lamp to front side, and shine on the place ahead target and background, by the CCD pick up camera receive from the infrared reflecting of target and background be converted into the Infrared video image with certain color range value.Wherein in the infrared night vision image, the color range value is directly proportional to the reflected radiation of background to target; And, when thermal imaging system is worked, carry out the infrared radiation of receiving target and background emission by the infrared detector in thermal imaging camera, and it is mapped to the Infrared video image of different color range values.These have the video infrared night vision image signal of different color range values, convert the infrared digital image signal to through image pick-up card, then be entered in digital image processing circuit or microprocessor, by the image noise reduction that it is intended to improve image spatial resolution and strengthens target signature, the figure image intensifying, image is cut apart, image registration and image co-registration are processed, obtain the Infrared Targets digital image that can reflect the room and time feature, and it is shown on different telltales, with this, realize under night or low-light level condition, invisible target emanation is transformed between appreciiable target light electrical image and expansion chaufeur night train speed signal to the active safety target in the visual field of travelling.
Claims (1)
1. the vehicle mounted infrared Night Vision Imaging System based on automobile active safety, it is characterized in that: comprise infrared light supply, the CCD camera, the image pick-up card be connected with the CCD camera, the thermal imaging camera be connected with image pick-up card, digital processing circuit and telltale, the car speed sensor be connected with digital processing circuit.
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| CN201310468715.5A CN103496341A (en) | 2013-10-10 | 2013-10-10 | Vehicle-mounted infrared night-vision imaging system based on vehicle active safety |
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| CN201310468715.5A CN103496341A (en) | 2013-10-10 | 2013-10-10 | Vehicle-mounted infrared night-vision imaging system based on vehicle active safety |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863191A (en) * | 2014-03-27 | 2014-06-18 | 天津云视科技发展有限公司 | Automobile infrared night vision device |
| CN104251689A (en) * | 2014-09-27 | 2014-12-31 | 莱阳市科盾通信设备有限责任公司 | All-weather telescope type laser distance measurement instrument |
| CN105635679A (en) * | 2015-12-30 | 2016-06-01 | 深圳市图雅丽特种技术有限公司 | Active anti-glare night vision system of vehicle-mounted special device and realization method |
| CN106127123A (en) * | 2016-06-16 | 2016-11-16 | 江苏大学 | A kind of human pilot face real-time detection method of driving round the clock based on RGB I |
| CN107618437A (en) * | 2016-07-14 | 2018-01-23 | 芜湖优必慧新能源科技有限公司 | A kind of vehicle safety travel active infrared camera system |
| CN109887276A (en) * | 2019-01-30 | 2019-06-14 | 北京同方软件股份有限公司 | The night traffic congestion detection method merged based on foreground extraction with deep learning |
| CN111310577A (en) * | 2020-01-16 | 2020-06-19 | 华东师范大学 | Active infrared vehicle-mounted night vision road condition detection and voice broadcast system |
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| JP2008199166A (en) * | 2007-02-09 | 2008-08-28 | Fujitsu Ltd | Temperature drift correction apparatus and method therefor |
| CN201784621U (en) * | 2010-05-18 | 2011-04-06 | 武汉高德红外股份有限公司 | Passive infrared visual vehicle assistant driving system based on intelligent image processing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863191A (en) * | 2014-03-27 | 2014-06-18 | 天津云视科技发展有限公司 | Automobile infrared night vision device |
| CN104251689A (en) * | 2014-09-27 | 2014-12-31 | 莱阳市科盾通信设备有限责任公司 | All-weather telescope type laser distance measurement instrument |
| CN105635679A (en) * | 2015-12-30 | 2016-06-01 | 深圳市图雅丽特种技术有限公司 | Active anti-glare night vision system of vehicle-mounted special device and realization method |
| CN106127123A (en) * | 2016-06-16 | 2016-11-16 | 江苏大学 | A kind of human pilot face real-time detection method of driving round the clock based on RGB I |
| CN107618437A (en) * | 2016-07-14 | 2018-01-23 | 芜湖优必慧新能源科技有限公司 | A kind of vehicle safety travel active infrared camera system |
| CN109887276A (en) * | 2019-01-30 | 2019-06-14 | 北京同方软件股份有限公司 | The night traffic congestion detection method merged based on foreground extraction with deep learning |
| CN111310577A (en) * | 2020-01-16 | 2020-06-19 | 华东师范大学 | Active infrared vehicle-mounted night vision road condition detection and voice broadcast system |
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Address after: 225000 Shuangqiao business hall, No. 413 Yangzi Jiangbei Road, Hanjiang District, Jiangsu, Yangzhou Province, 3006 Applicant after: Yangzhou auspicious control vehicle electronics Co., Ltd Address before: 211400 science and Technology Pioneering service center, No. 9, Tai Tai Road, Yizheng Economic Development Zone, Yangzhou, Jiangsu Applicant before: Yangzhou auspicious control vehicle electronics Co., Ltd |
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Application publication date: 20140108 |
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