CN101873473A - Digital video camera with optical fiber interface - Google Patents
Digital video camera with optical fiber interface Download PDFInfo
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- CN101873473A CN101873473A CN200910205677A CN200910205677A CN101873473A CN 101873473 A CN101873473 A CN 101873473A CN 200910205677 A CN200910205677 A CN 200910205677A CN 200910205677 A CN200910205677 A CN 200910205677A CN 101873473 A CN101873473 A CN 101873473A
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Abstract
The invention discloses a digital video camera with an optical fiber interface, which relates to the field of security. The digital video camera comprises an acquisition module, a video processing module, a coding module, an Ethernet communication module and an optical fiber communication module, wherein the optical fiber communication module is adopted to transmit video signals processed by the video processing module and video signals coded and compressed by the coding module to a monitoring terminal according to the optical fiber communication protocol; or the Ethernet communication module is adopted to transmit video signals coded and compressed by the coding module to the monitoring terminal according to the Ethernet communication protocol, and the optical fiber communication module is adopted to transmit video signals processed by the video processing module to the monitoring terminal according to the optical fiber communication protocol. Consequently, the invention can meet the application requirements of the storage and preview of network video monitoring data, and provides a platform for the development of the network video monitoring technology.
Description
Technical field
The present invention relates to safety-security area, particularly a kind of digital camera with optical fiber interface.
Background technology
Current, along with IC (integrated circuit) technology and rapid development of network technique, a kind of new video monitoring system based on embedded technology has appearred, generally include digital camera, monitor terminal, what have also comprises Surveillance center.
Usually, monitor terminal adopts Ethernet that monitored instruction is transferred to digital camera, and digital camera is gathered video, audio frequency, data light signal signal according to monitored instruction, and the signal that collects is transferred to monitor terminal through after the encoding compression processing by Ethernet.Processing such as video, audio frequency, the data-signal of the compression that monitor terminal can transmit video camera stored, retrieval.Therefore, can't satisfy the application demand that Network Video Surveillance is browsed high-fidelity low delay video image.
In implementing process of the present invention, the inventor finds that there are the following problems at least in the prior art: existing digital camera, because the restriction of Ethernet bandwidth, the vision signal that makes digital camera gather in real time need be handled the back through very high compression and transmit on Ethernet, though the vision signal of high compression is fit to the application demand of Network Video Surveillance to the data storage, but its picture quality of vision signal through high compression is lower, it is bigger to delay time, can't satisfy the application requirements of Network Video Surveillance, and then limit the development of Network Video Surveillance technology greatly preview.
Summary of the invention
The invention provides a kind of digital camera, to solve the problem that existing digital camera can't satisfy the application requirements of Network Video Surveillance storage and preview simultaneously with optical fiber interface.
The invention provides a kind of digital camera, comprising with optical fiber interface:
Acquisition module is used for gathering vision signal according to the monitored instruction that receives;
Video processing module is used for the vision signal of described acquisition module collection is carried out Video processing;
Coding module, the encoding video signal compression that is used for described video processing module is handled is handled;
The ethernet communication module is used to provide the debugging interface to digital camera; With the optical-fibre communications module; Wherein,
The vision signal that adopts described optical-fibre communications module described video processing module to be handled according to the optical-fibre communications agreement, the vision signal that reaches through described coding module encoding compression processing transfers to monitor terminal in the lump; Or
Adopt the described ethernet communication module will be through the vision signal of described coding module encoding compression processing, and adopt video signal transmission that described optical-fibre communications module handles described video processing module according to the optical-fibre communications agreement to monitor terminal according to the ethernet communication agreement.
Described digital camera also comprises local memory module, is used for the vision signal of storage of collected, and/or encoded compression processed video signal; Described local memory module is SD card or SDHC storage card.
Described digital camera also comprises video output interface, is used for the vision signal of gathering is carried out this locality output, but forms the local video image of preview; Described video output interface is CVBS output interface, HDMI output interface, RGB component output interface, HD-SDI output interface or YPbPr component output interface.
Described digital camera also comprises alarm module, is used to judge when the video that collects, voice, when data-signal satisfies default alert if, adopts described optical-fibre communications module and/or described ethernet communication module transmission alarm signal.
Described digital camera also comprises the speech talkback module, and the voice signal that is used for collecting adopts described optical-fibre communications module and/or described ethernet communication module and monitor terminal to carry out communication, realizes speech talkback or broadcasting.
Described digital camera also comprises wireless communication interface, USB interface, I/O interface, serial ports, RS485 interface and/or RS232 interface;
Described RS485 interface, RS232 interface are used to debug described video camera or carry out data interaction with other equipment.
A kind of digital camera provided by the invention with optical fiber interface, beneficial effect is: adopt the optical fiber communication module according to the vision signal of Optical Fiber Transmission agreement with collection, and the vision signal that encoded compression is handled transfers to monitor terminal in the lump, or adopt the vision signal that the ethernet communication module handles encoded module coding compression according to the ethernet communication agreement and adopt video signal transmission that the optical-fibre communications module handles video processing module according to the optical-fibre communications agreement to monitor terminal, the vision signal that makes monitor terminal that the un-encoded compression that receives is handled is used to browse, the vision signal that encoded compression is handled is used for storage, thereby realize satisfying simultaneously the application requirements of Network Video Surveillance storage and preview, for the development of Network Video Surveillance technology provides better platform.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of digital camera structured flowchart that Fig. 1 provides for the embodiment of the invention with optical fiber interface.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of digital camera with optical fiber interface for the embodiment of the invention provides comprises:
Acquisition module 101 is used for gathering vision signal according to the monitored instruction that receives.
Video processing module 102 is used for the vision signal that described acquisition module 101 is gathered is carried out Video processing.
Coding module 103 is used for the encoding video signal compression that described video processing module 102 is handled is handled.
Ethernet communication module 104 is used to provide the debugging interface to digital camera; With optical-fibre communications module 105.
Wherein, in the embodiment of the invention, the vision signal that can adopt described optical-fibre communications module 105 described video processing module 102 to be handled according to the optical-fibre communications agreement, the vision signal that reaches through described coding module 103 encoding compression processing transfers to monitor terminal in the lump; Perhaps, can also adopt described ethernet communication module 104 according to the ethernet communication agreement will be through the vision signal of described coding module 103 encoding compression processing, and adopt video signal transmission that described optical-fibre communications module 105 handles described video processing module 102 according to the optical-fibre communications agreement to monitor terminal.
The digital camera that the embodiment of the invention provides also has the functional module in the existing digital camera, such as:
The audio signal sample module is used to gather audio signal.Usually, adopt pick-up or microphone to realize.
The audio-frequency signal coding module, the coding audio signal that is used for above-mentioned audio signal sample module is gathered is handled.Usually, the compression method of audio signals such as sound also can adopt hardware encoding compression and software compression, and its coding standard has multiple forms such as MP3.
A/D converter is used for image is become digital signal with analog signal conversion such as sound.
Video signal after the A/D conversion is admitted to above-mentioned coding module after video processing module is handled, carry out encoding compression by certain form or standard.The purpose of encoding compression is for the ease of realizing the digitlization of vision signal, being convenient to transmission without distortion on computer system, network and World Wide Web (WWW).
And controller, be the heart of digital camera, bearing the management and the Control work of digital camera.
Preferably, in the embodiment of the invention:
Acquisition module 101 is made of imageing sensor usually.Video processing module 102 is made of Digital Image Processor usually, certainly, also can adopt the imageing sensor that has graphics processing function to realize acquisition module 101 and video processing module 102, or the like.
For coding module 103, its coded system has multiple, as: hardware encoding, perhaps dsp code also might be to encode by FPGA.
In the practical application, the digital camera of the band optical fiber interface that the embodiment of the invention provides, the vision signal that can only adopt 105 transmission of optical-fibre communications module directly to gather, or the vision signal of encoded compression processing, and the ethernet communication module only is used for the debugging of digital camera.
The vision signal that also can only adopt described optical-fibre communications module 105 according to the optical-fibre communications agreement video processing module 102 to be handled, the vision signal that reaches through described coding module 103 encoding compression processing transfers to monitor terminal in the lump.
Can also only adopt the described ethernet communication module 104 will be through the vision signal of described coding module 103 encoding compression processing, and adopt video signal transmission that described optical-fibre communications module 105 handles described video processing module 102 according to the optical-fibre communications agreement to monitor terminal according to the ethernet communication agreement.
The communication modes selection function can also be provided, be that digital camera can select to adopt the vision signal of described optical-fibre communications module 105 with video processing module 102 processing, the vision signal that reaches through described coding module 103 encoding compression processing transfers to monitor terminal in the lump, still adopt the ethernet communication module 104 will be, and adopt video signal transmission that described optical-fibre communications module 105 handles described video processing module 102 to monitor terminal through the vision signal of described coding module 103 encoding compression processing.
The selection function of above-mentioned communication modes can be integrated in the above-mentioned controller, also can adopt independently control device to realize, can also parameter be set by RS485 interface, RS232 interface or ethernet communication module and be configured.
The implementation method of the selection of communication modes has multiple, and such as a selector switch can be set on digital camera, the staff can be provided with the gating of selector switch according to demand.Such as when need adopting the optical-fibre communications module to transmit the vision signal of the vision signal of direct collection and encoded compression in the lump, selector switch can be arranged on a corresponding end, after then digital camera detects being provided with of selector switch, just can be provided with and select adopt vision signal that the optical-fibre communications module will directly gather according to the optical-fibre communications agreement and the vision signal of encoding compression is transferred to monitor terminal in the lump according to this; And when the vision signal that needs to adopt the transmission of optical-fibre communications module directly to gather, when adopting the ethernet communication module to transmit the vision signal of encoded compression, selector switch can be arranged on the other end, then after digital camera detects being provided with of selector switch, just can be provided with and select with adopting the direct vision signal of gathering of optical-fibre communications module transmission, adopting the ethernet communication module to transmit the video signal transmission of encoded compression to monitor terminal according to this.Certainly, also can adopt the mode of software to realize, such as, can on the host computer (such as a PC or nonshared control unit etc.) of digital camera, provide option interface, the staff adopts this option interface to select according to current demand, host computer adopts data wire to be transferred to digital camera selection result, and then digital camera just can select to adopt concrete data transfer mode according to receiving selection result.
Optical-fibre communications module 105 in the embodiment of the invention can be a Digital Optical Terminal interface etc.
In the embodiment of the invention, when carrying out communication between digital camera employing ethernet communication module 104 and the monitor terminal, need not circuit is changed, the IP address that only needs to dispose digital camera gets final product.
Ethernet communication module 104 in the embodiment of the invention provides a kind of debugging interface for digital camera, can debug digital camera by the ethernet communication module, preferably, the vision signal output that digital camera can also be gathered realizes local preview, with convenient debugging.
Preferably, the digital camera of the band optical fiber interface that the embodiment of the invention provides can further include local memory module, is used for the vision signal of storage of collected, and/or encoded processed video signal, to satisfy the demand of local storage.Wherein local memory module can be by realizations such as SD card or SDHC storage cards.
Preferably, the digital camera of the band optical fiber interface that the embodiment of the invention provides can further include video output interface, is used for the vision signal of gathering is carried out this locality output, but forms the local video image of preview, convenient debugging.Wherein video output interface is CVBS output interface, HDMI output interface, RGB component output interface, HD-SDI output interface or YPbPr component output interface etc.
Preferably, the digital camera of the band optical fiber interface that the embodiment of the invention provides can further include alarm module, be used to judge when the video that collects, voice, when data-signal satisfies default alert if, adopt described optical-fibre communications module and/or described ethernet communication module transmission alarm signal.
Preferably, the digital camera of the band optical fiber interface that the embodiment of the invention provides can also comprise the speech talkback module, the voice signal that is used for collecting adopts described optical-fibre communications module and/or described ethernet communication module and monitor terminal to carry out communication, realize speech talkback, can be used to do video conference and public broadcasting.
Further, the digital camera of the band optical fiber interface that provides of the embodiment of the invention also comprises wireless communication interface, USB interface, I/O interface, serial ports, RS485 interface and/or RS232 interface.
Described RS485 interface, RS232 interface are used to debug described video camera or carry out data interaction with other equipment.
Wherein, digital camera connects the mode that can adopt WLAN (wireless local area network) by wireless communication interface to the network of monitor terminal, carry out networking by wireless bridge, the advantage of WLAN (wireless local area network) is that networking is convenient, and track laying, easy construction, the cycle of having broken away from cable network is short, network investment is few, structure is flexible etc.Wherein, wireless communication interface is such as 3G interface, Wifi interface etc.Further, can also carry out wireless encryption, such as adopting 64 of WEP or WEP 128 bit encryption algorithms etc. to information transmitted.
As seen, the digital camera of the band optical fiber interface that the embodiment of the invention provides, adopt the optical fiber communication module according to the vision signal of Optical Fiber Transmission agreement with collection, and the vision signal that encoded compression is handled transfers to monitor terminal in the lump, or adopts the vision signal that the ethernet communication module handles encoded module coding compression according to the ethernet communication agreement and adopt video signal transmission that the optical-fibre communications module handles video processing module according to the optical-fibre communications agreement to monitor terminal.Like this, direct vision signal of gathering is that its picture quality of vision signal of un-encoded compression processing is very high, and because the bandwidth of optical-fibre communications is bigger, time delay reduces greatly, make monitor terminal the vision signal that the un-encoded compression that receives is handled can be used to browse, and the vision signal that encoded compression is handled is used for storage, thus realize satisfying simultaneously the application requirements of Network Video Surveillance storage and preview, for the development of Network Video Surveillance technology provides better platform.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that, realize that all or part of step in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program comprises that some instructions are in order to carry out the described method of each embodiment of the present invention when carrying out.Storage medium described here, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (6)
1. the digital camera with optical fiber interface is characterized in that, comprising:
Acquisition module is used for gathering vision signal according to the monitored instruction that receives;
Video processing module is used for the vision signal of described acquisition module collection is carried out Video processing;
Coding module, the encoding video signal compression that is used for described video processing module is handled is handled;
The ethernet communication module is used to provide the debugging interface to digital camera; With the optical-fibre communications module; Wherein,
The vision signal that adopts described optical-fibre communications module described video processing module to be handled according to the optical-fibre communications agreement, the vision signal that reaches through described coding module encoding compression processing transfers to monitor terminal in the lump; Or
Adopt the described ethernet communication module will be through the vision signal of described coding module encoding compression processing, and adopt video signal transmission that described optical-fibre communications module handles described video processing module according to the optical-fibre communications agreement to monitor terminal according to the ethernet communication agreement.
2. according to the digital camera of the described band optical fiber interface of claim 1, it is characterized in that described digital camera also comprises local memory module, be used for the vision signal of storage of collected, and/or encoded compression processed video signal; Described local memory module is SD card or SDHC storage card.
3. according to the digital camera of the described band optical fiber interface of claim 1, it is characterized in that described digital camera also comprises video output interface, be used for the vision signal of gathering is carried out this locality output, but form the local video image of preview; Described video output interface is CVBS output interface, HDMI output interface, RGB output interface, HD-SDI output interface or YPbPr output interface.
4. according to the digital camera of the described band optical fiber interface of claim 1, it is characterized in that, described digital camera also comprises alarm module, be used to judge when the video that collects, voice, when data-signal satisfies default alert if, adopt described optical-fibre communications module and/or described ethernet communication module transmission alarm signal.
5. according to the digital camera of the described band optical fiber interface of claim 1, it is characterized in that, described digital camera also comprises the speech talkback module, the voice signal that is used for collecting adopts described optical-fibre communications module and/or described ethernet communication module and monitor terminal to carry out communication, realizes speech talkback or broadcasting.
6. according to the digital camera of the described band optical fiber interface of claim 1, it is characterized in that described digital camera also comprises wireless communication interface, USB interface, I/O interface, serial ports, RS485 interface and/or RS232 interface;
Described RS485 interface, RS232 interface are used to debug described video camera or carry out data interaction with other equipment.
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| CN2009102056778A CN101873473B (en) | 2009-10-16 | 2009-10-16 | Digital video camera with optical fiber interface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639873A (en) * | 2013-11-06 | 2015-05-20 | 北京航天长峰科技工业集团有限公司 | Quasi real-time high-definition video monitoring method |
| CN109302558A (en) * | 2018-12-10 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | Underwater crawler belt intelligent robot image acquisition units |
| CN111416921A (en) * | 2019-01-08 | 2020-07-14 | 杭州海康威视数字技术股份有限公司 | Camera debugging method, camera and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100521594C (en) * | 2006-07-31 | 2009-07-29 | 杭州华三通信技术有限公司 | Coding terminal, decoding terminal and coding and decoding terminal based on IP network |
| CN200979649Y (en) * | 2006-10-27 | 2007-11-21 | 天津市亚安科技电子有限公司 | A dome camera or pan/tilt with optical terminal |
| CN101247490A (en) * | 2008-03-03 | 2008-08-20 | 中山大学深圳研究院 | Portable off-site video relay broadcasting system |
| CN101527826B (en) * | 2009-04-17 | 2011-12-28 | 北京数码视讯科技股份有限公司 | Video monitoring front-end system |
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2009
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104639873A (en) * | 2013-11-06 | 2015-05-20 | 北京航天长峰科技工业集团有限公司 | Quasi real-time high-definition video monitoring method |
| CN109302558A (en) * | 2018-12-10 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | Underwater crawler belt intelligent robot image acquisition units |
| CN109302558B (en) * | 2018-12-10 | 2024-04-05 | 美钻深海能源科技研发（上海）有限公司 | Image acquisition unit of intelligent underwater crawler robot |
| CN111416921A (en) * | 2019-01-08 | 2020-07-14 | 杭州海康威视数字技术股份有限公司 | Camera debugging method, camera and storage medium |
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