CN103458193A - Intelligent anti-overexposure high-definition web camera - Google Patents
Intelligent anti-overexposure high-definition web camera Download PDFInfo
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- CN103458193A CN103458193A CN 201310419083 CN201310419083A CN103458193A CN 103458193 A CN103458193 A CN 103458193A CN 201310419083 CN201310419083 CN 201310419083 CN 201310419083 A CN201310419083 A CN 201310419083A CN 103458193 A CN103458193 A CN 103458193A
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Abstract
The invention relates to an intelligent anti-overexposure high-definition web camera, and belongs to the technical field of security and protection. The intelligent anti-overexposure high-definition web camera comprises a camera lens, a sensitization device, a high-speed DSP, a controller, a network interface, an LED infrared lamp, a power source and a power source management module. The camera lens is connected with the sensitization device, the high-speed DSP is connected with the controller, the controller is connected with the network interface, the LED infrared lamp is connected with the controller, and the power source supplies power for all modules through the power source management module. The intelligent anti-overexposure high-definition web camera is strong in anti-overexposure performance, and the anti-overexposure effect of images is good after the images are processed through an anti-overexposure processor.
Description
technical field
The invention belongs to the safety monitoring technical field, specifically belong to field of cameras, particularly a kind of intelligent anti-overexposure high-definition network camera.
Background technology
Along with social development, the effect of video camera in safety defense monitoring system is more and more obvious.Although now a lot of manufacturers utilize the photo-sensitive cell of ccd image sensor as video camera, can photograph image clearly, but the appearance along with the network mega pixel camera, it mainly adopts high-resolution progressive scan mode, the cmos image sensor of lining by line scan more has superiority than interleaved ccd image sensor, he scans each tv line successively, rather than tv line is divided into to the odd and even number lines is superimposed as a width complete image again.Adopt interlacing scan, there is larger difference in the position of the object of rapid movement in the odd and even number scanning field, causes fuzzy pictures unclear.Ccd image sensor sensitivity is higher, but response speed is lower, and cmos image sensor is except the advantage of pixel-intensive degree, and cost and power consumption advantages obtain the favor of producer more.Its weak point is, in the situation that low-light (level) or dark noise are more, if do not have the light filling measure can't reach at night ideal effect.
Traditional cameras adopts repeatedly digital-to-analogue conversion technology, cause not fogging clear, noise is many, even distortion distortion, affected the overall monitoring effect of safety defense monitoring system.It is digital signal by analog signal conversion that web camera adopts the high-speed dsp digital signal processor, more directly is sent on network after the processing of controller, has avoided the generation of above phenomenon.
In recent years, along with the development of the Internet, the network high-definition camera just progresses into rise period and stage of popularization with ripe technology and reasonable prices, by increasing user, is accepted.
At present, though developed the camera chain of various uses, because some camera review definition is inadequate, the overexposure phenomenon is serious, do not take again safe precaution measure effectively, so photographic effect is undesirable.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, by using infrared manual zoom lens, solved the shooting problem run in the place of night or insufficient light, make image there is the effect of low-light (level); Digital signal is processed through anti-overexposure, makes image have anti-overexposure effect.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of intelligent anti-overexposure high-definition network camera, comprise that camera lens, sensor devices, high-speed dsp digital signal processor, controller, network interface, LED infrared lamp, power supply and power management module form; Wherein, described camera lens is connected with sensor devices, and described high-speed dsp digital signal processor is connected with controller, and described controller is connected with network interface, described LED infrared lamp is connected with controller, described power supply by power management module to each module for power supply.
And described camera lens adopts infrared manual zoom lens, manually zoom has been used aspherical lens, and secondly camera lens has adopted coating technique.
And described sensor devices adopts 1/3 inch cmos image sensor, and image is lined by line scan, and direct digital signal output interface is arranged, without A/D converter.
And described video camera adopts the two filters of the IRC with handoff technique, when light is arranged, adopts colored image pickup mode; When dull thread or light are weak, video camera can be automatically converted to the black and white image pickup mode, makes the filter of cmos image sensor front not produce effect, and the enough brightness that utilizes the LED infrared lamp to provide, and photographs the picture of high definition.
And described network interface adopts the RJ-45 Ethernet interface, and the packet based on the TCP/IP network standard directly is sent on network, the related personnel utilizes private network or the Internet, all can watch and manage image and the relevant information from video camera.
Advantage of the present invention and good effect are:
1, the present invention adopts cmos image sensor to be lined by line scan, fast response time, and the LED infrared lamp is installed as the light filling measure, make up video camera and can't photograph the deficiency of picture rich in detail under low-light (level) or dark situations, and reduced the holistic cost of video camera.
2, Adoption Network video camera of the present invention, the real-time monitor mode of breakthrough geographic restrictions, by network video monitor and control system, can carry out real-time remote monitoring in any point of network.Network system is used " user name " and pass word to control the access to video information.As long as online, no matter be private network or the Internet, all can watch and manage the image from video camera.
3, the present invention is reasonable in design, and under low luminous environment, video camera also can obtain bright image, and sensitivity is outstanding, and low-light (level) is good; Contrast shooting function in strong scene at bright and dark light and take into account clear zone and dark space, dynamic range is enough large, wide dynamically good; The infrared manual zoom lens of its special type adopted and implosion guard, the light passband is high, has eliminated infrared lamp halation fully; The nano-adelomorphic rain brush of application, have and do not get wet and advantage oily, that get rid of dust; Cmos image sensor is lined by line scan, pixel-intensive, has reduced cost and the power consumption of video camera integral body; And anti-overexposure is strong, after anti-overexposure processor, the anti-overexposure of image is effective.
The accompanying drawing explanation
Fig. 1 is system block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of intelligent anti-overexposure high-definition network camera, shown in Fig. 1, comprise that camera lens, sensor devices, high-speed dsp digital signal processor, controller, network interface, LED infrared lamp, power supply and power management module form; Wherein, described camera lens is connected with sensor devices, and described high-speed dsp digital signal processor is connected with controller, and described controller is connected with network interface, described LED infrared lamp is connected with controller, described power supply by power management module to each module for power supply.Described camera lens adopts infrared manual zoom lens, and manually zoom has been used aspherical lens, and secondly camera lens has adopted coating technique; Described sensor devices adopts 1/3 inch cmos image sensor, and image is lined by line scan, and direct digital signal output interface is arranged, without A/D converter; Described video camera adopts the two filters of the IRC with handoff technique, when light is arranged, adopts colored image pickup mode; When dull thread or light are weak, video camera can be automatically converted to the black and white image pickup mode, makes the filter of cmos image sensor front not produce effect, and the enough brightness that utilizes the LED infrared lamp to provide, and photographs the picture of high definition; Described network interface adopts the RJ-45 Ethernet interface, and the packet based on the TCP/IP network standard directly is sent on network, and the related personnel utilizes private network or the Internet, all can watch and manage image and the relevant information from video camera; Described LED infrared lamp, as luminescence medium, has met video camera and has taken the demand of high-definition image in the overnight sight medium and long distance; Described high-speed dsp digital signal processor adopts H.264 image compression technology, and high compression coding efficiency makes image information take less broadband resource in network transmission process; And the employing digital noise reduction technology, reduce the gain range of relative still frame automatically, the interference noise ripple in erasure signal, improved image sharpness and cleanliness factor effectively simultaneously; The high-speed dsp digital signal processor can also receive alarm signal and outwards send alarm signal by the I/O port, and sends on request control signal; Described video camera adopts extraordinary implosion guard, and the light passband is high, has eliminated infrared lamp halation fully; With and adopt all aluminium alloy global formation shell, process through fluorine charcoal spraying coating technique on surface, has function explosion-proof, dustproof and waterproof.
Principles and structure of the present invention, as shown in Figure 1, in well-lighted situation, the picture signal of camera lens collection passes on cmos image sensor after filter filtering, analog signal after processing by anti-overexposure converts digital signal to through A/D converter, this digital signal is through the high-speed dsp digital signal processor processes, make image there is wide dynamic effect, be twice of same Time Exposure, once fast, once slow, synthesize again and make it possible to see clearly object bright and dark on picture simultaneously, carry out compression coding by certain standard, under the control of controller, serve local area network (LAN) or internet by certain procotol, controller receives the transmission alarm signal simultaneously, pass to the external alert device through interface, and send on request control signal, can obtain image clearly, in insufficient light or rayless situation, the filter of cmos image sensor front is by ineffective, and now infrared illumination module, for video camera provides light source, makes video camera photograph image clearly.Digital signal is after the high-speed dsp digital signal processor processes, directly be converted into the packet based on the TCP/IP network standard, make the picture of shot by camera directly be sent on network by the RJ-45 Ethernet interface, as long as online, no matter be private network or the Internet, all can watch and manage image and the relevant information from video camera; Power supply by power management module to each module for power supply.
It is emphasized that; embodiment of the present invention is illustrative; rather than determinate; therefore the present invention is not limited to the embodiment described in embodiment; every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.
Claims (5)
1. an intelligent anti-overexposure high-definition network camera, is characterized in that: comprise that camera lens, sensor devices, high-speed dsp digital signal processor, controller, network interface, LED infrared lamp, power supply and power management module form; Wherein, described camera lens is connected with sensor devices, and described high-speed dsp digital signal processor is connected with controller, and described controller is connected with network interface, described LED infrared lamp is connected with controller, described power supply by power management module to each module for power supply.
2. intelligent anti-overexposure high-definition network camera according to claim 1 is characterized in that: described camera lens adopts infrared manual zoom lens, and manually zoom has been used aspherical lens, and secondly camera lens has adopted coating technique.
3. intelligent anti-overexposure high-definition network camera according to claim 1 is characterized in that: described sensor devices adopts 1/3 inch cmos image sensor, and image is lined by line scan, and direct digital signal output interface is arranged, without A/D converter.
4. intelligent anti-overexposure high-definition network camera according to claim 1 is characterized in that: described video camera adopts the two filters of the IRC with handoff technique, when light is arranged, adopts colored image pickup mode; When dull thread or light are weak, video camera can be automatically converted to the black and white image pickup mode, makes the filter of cmos image sensor front not produce effect, and the enough brightness that utilizes the LED infrared lamp to provide, and photographs the picture of high definition.
5. intelligent anti-overexposure high-definition network camera according to claim 1, it is characterized in that: described network interface adopts the RJ-45 Ethernet interface, by the packet based on the TCP/IP network standard, directly be sent on network, the related personnel utilizes private network or the Internet, all can watch and manage image and the relevant information from video camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310419083 CN103458193A (en) | 2013-09-16 | 2013-09-16 | Intelligent anti-overexposure high-definition web camera |
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| CN 201310419083 CN103458193A (en) | 2013-09-16 | 2013-09-16 | Intelligent anti-overexposure high-definition web camera |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959578A (en) * | 2016-07-18 | 2016-09-21 | 四川君逸数码科技股份有限公司 | Wide dynamic high-definition camera based on intelligent video technology |
| CN106027988A (en) * | 2016-07-05 | 2016-10-12 | 珠海爱司马特数码科技有限公司 | Wireless monitoring system |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
| CN109167926A (en) * | 2018-10-29 | 2019-01-08 | 福建省智能养护工程有限公司 | A kind of wireless low-power consumption figure biography camera and its control method based on GPRS |
-
2013
- 2013-09-16 CN CN 201310419083 patent/CN103458193A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027988A (en) * | 2016-07-05 | 2016-10-12 | 珠海爱司马特数码科技有限公司 | Wireless monitoring system |
| CN105959578A (en) * | 2016-07-18 | 2016-09-21 | 四川君逸数码科技股份有限公司 | Wide dynamic high-definition camera based on intelligent video technology |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
| CN109167926A (en) * | 2018-10-29 | 2019-01-08 | 福建省智能养护工程有限公司 | A kind of wireless low-power consumption figure biography camera and its control method based on GPRS |
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Application publication date: 20131218 |