CN102970522B - A kind of method utilizing client-access to browse front-end camera passback video image - Google Patents
A kind of method utilizing client-access to browse front-end camera passback video image Download PDFInfo
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- CN102970522B CN102970522B CN201210532222.9A CN201210532222A CN102970522B CN 102970522 B CN102970522 B CN 102970522B CN 201210532222 A CN201210532222 A CN 201210532222A CN 102970522 B CN102970522 B CN 102970522B
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Abstract
The invention discloses and propose a kind of method utilizing client-access to browse front-end camera passback video image, by the web browser in client to access the video image browsing front end CCTV camera passback without plug-in unit mode, the present invention can run under various operating systems, various terminal device, camera apparatus supporting video decoding plug-in is downloaded, it is simple to software issue, edition upgrading, user use without installing；And it is applicable to the web browser of main flow such as IE, Chrome, Firefox, UCWEB etc. on PC and mobile terminal, the type of user terminal is limited and various compatibility issue by the decoding display efficiently solving camera video image, at utmost meet actually used during video frequency graphic monitoring demand under various complicated applications environment.
Description
Technical field
The present invention relates to video frequency graphic monitoring technical field, relate in particular to a kind of method utilizing client-access to browse front-end camera passback video image.
Background technology
Ultra-high-tension power transmission line is the lifeline of electric power conveying, detection to transmission line of electricity running status in early days is mainly passed through to be accomplished manually, this mode efficiency is low, cost is high, workload is big, along with information technology, sensor technology, the communication technology, the development of new energy technology, more and more higher to the automaticity of transmission line status detection, ultimately formed a series of technology maturation, on-line monitoring system that emphasis is different, can the most remotely monitor the ruuning situation of transmission line of electricity, including filth, wind pendulum, icing, stress and accumulated snow etc..Transmission line long-distance frequency image monitoring system is to apply wide one in numerous on-line monitoring system.At present, video frequency graphic monitoring system is used widely in power industry, and modal application scenario is transmission line of electricity and transformer station.Utilize video image that transmission line of electricity is carried out on-line monitoring, understand the field condition such as steel tower itself and surrounding enviroment, conductor galloping icing, insulator contamination in real time, can obtain in some aspects than other monitoring technology more preferably the most irreplaceable effect.
Being illustrated in figure 1 transmission line long-distance video frequency graphic monitoring system construction drawing, the overall structure of transmission line long-distance frequency image monitoring system generally can be divided into data collection layer, data transfer layer, three part of center service layer.Data collection layer is made up of video camera, electric supply installation etc., and transport layer is made up of the wired or wireless network equipment, communication line (such as optical fiber) etc., and center service layer is made up of background server, switch, video frequency graphic monitoring management software, monitor workstation etc..The transmission path of video flowing is video camera, web-transporting device, communication line, monitor workstation the most successively.
Disunity due to video code model, the video code model of video camera support in the market is varied, MPEG4 except international standard, H.264, MJPEG etc., also has the coded format that each producer is privately owned, the result thus caused is that the access simultaneously on a monitor workstation of multiple brand video camera even more than model browses, needs are respectively connected to, different coordinative composition of equipments SDK bags is installed, and these coordinative composition of equipments SDK bag major part only supports PC running environment, Windows operating system, want at mobile phone, application is almost cannot be carried out on the mobile terminals such as PAD.This technical limitation greatly limit the application scenario of transmission line long-distance frequency image monitoring system, is unfavorable for carrying out of in particular cases user's real work.
The application program of B/S deployment mode is more and more universal, and advantage is that version updating upgrading is convenient, user friendly is high, good to the compatibility of running environment.B/S application program itself and platform-independent characteristic, can allow him accomplish under various operating systems, various terminal device the most easily and run.The ideal chose of the application structure of B/S pattern also transmission line long-distance frequency image monitoring system.But the particularity that video image decoding shows result in the difficulty that B/S model application realizes.Even if all video cameras have employed same video code model in system, cannot guarantee that and can normally show video image in all browsers.The web browser of main flow has IE, Chrome, Firefox etc., the very limited and property of there are differences to the support quantity of video code model.Can solve, by installing the supporting video decoding plug-in of video camera, the problem that video code model is not supported by web browser, but majority of case is only limitted to IE, and the distribution of video decoding plug-in dispose the most also be difficult, problem the more.A kind of without installing plug-in unit, in multiple web browser, realize technology that video image shows and method seems and is highly desirable to.
Summary of the invention
For above-mentioned prior art, the technical problem to be solved in the present invention is: the web browser of existing main flow has IE, Chrome, Firefox etc., it is the very limited and property of there are differences to the support quantity of video code model, though can solve, by the video decoding plug-in installing video camera supporting, the problem that video code model is not supported by web browser, but majority of case is only limitted to IE, and the distribution of video decoding plug-in is disposed and is frequently present of difficulty and problem.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of method utilizing client-access to browse front-end camera passback video image, it is characterised in that comprise the following steps:
1. monitor client starts the browse operation to a certain road camera video image, and browser logs in front-end camera equipment with http protocol, sets video image play frame rate parameter；
2. sent by http protocol GET or POST command and capture picture request；
3. waiting that video camera completes the response that a frame picture is captured, picture file is stored in certain path within camera apparatus with JPG, GIF, PNG format；
4. the picture URL that monitor client is returned by video camera, arrives picture file information updating<div>under element<img>element, updates upper one secondary picture to cover；
5. browser communicates with WEB server, downloads this picture file, completes picture and updates；
6. calculate corresponding time interval according to video image play frame rate parameter and repeat step 2. to 4..
Compared with prior art, the method have the advantages that
One, any web browser shows camera video image without plug-in unit mode.
Two, it is applicable to the web browser (IE, Chrome, Firefox, UCWEB etc.) of main flow on PC and mobile terminal, can accomplish to run under various operating system, various terminal device.
Three, camera apparatus supporting video decoding plug-in is downloaded without installing, it is simple to software issue, edition upgrading, user use.
Accompanying drawing explanation
Fig. 1 is transmission line long-distance video frequency graphic monitoring system construction drawing；
Fig. 2 is remote browse front-end camera video image sequential chart；
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
A kind of method utilizing client-access to browse front-end camera passback video image, comprises the following steps:
1. monitor client starts the browse operation to a certain road camera video image, and browser logs in front-end camera equipment with http protocol, sets video image play frame rate parameter；
2. sent by http protocol GET or POST command and capture picture request；
3. waiting that video camera completes the response that a frame picture is captured, picture file is stored in certain path within camera apparatus with JPG, GIF, PNG format；
4. the picture URL that monitor client is returned by video camera, arrives picture file information updating<div>under element<img>element, updates upper one secondary picture to cover；
5. browser communicates with WEB server, downloads this picture file, completes picture and updates；
6. calculate corresponding time interval according to video image play frame rate parameter and repeat step 2. to 4..
Surveillance center completes deployment and the video camera configuration work of background service software the most on the server, later in workstation startup web browser, logs in background service, selects No. 1 field camera to carry out video tour on monitor client software interface.Client software, after Successful login camera apparatus, by intervals repetitive requests, is downloaded, is updated candid photograph picture, it is achieved the effect that video image shows.
Application claims is arranged on the video camera of monitoring site and supports network service and provide the equipment access interface of HTTP or HTTPS and support long-range grabgraf function, and picture format can be JPG, GIF and PNG.
Above-described embodiment limits the present invention the most in any form, and the technical scheme that all forms taking equivalent or equivalent transformation are obtained, within all falling within the protection domain of type of the present invention.
Claims (1)
1. one kind utilizes the method that client-access browses front-end camera passback video image, it is characterised in that comprise the following steps:
1. the client terminal start-up browse operation to a certain road camera video image, browser logs in front-end camera equipment with http protocol, sets video image play frame rate parameter；
2. sent by http protocol GET or POST command and capture picture request；
3. waiting that video camera completes the response that a frame picture is captured, picture file is stored in certain path within camera apparatus with JPG, GIF, PNG format；
4. the picture URL that client is returned by video camera, arrives picture file information updating<div>under element<img>element, updates upper one secondary picture to cover；
5. browser communicates with WEB server, downloads this picture file, completes picture and updates；
6. calculate corresponding time interval according to video image play frame rate parameter and repeat step 2. to 4..
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532222.9A CN102970522B (en) | 2012-12-12 | 2012-12-12 | A kind of method utilizing client-access to browse front-end camera passback video image |
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| CN201210532222.9A CN102970522B (en) | 2012-12-12 | 2012-12-12 | A kind of method utilizing client-access to browse front-end camera passback video image |
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| Publication Number | Publication Date |
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| CN102970522A CN102970522A (en) | 2013-03-13 |
| CN102970522B true CN102970522B (en) | 2016-09-07 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079590A (en) * | 2013-03-25 | 2014-10-01 | 深圳市新锐影视数码有限公司 | 720-degree panoramic roaming system |
| CN104079991A (en) * | 2013-03-28 | 2014-10-01 | 国家电网公司 | Video playing method and device |
| US10412130B2 (en) * | 2016-04-04 | 2019-09-10 | Hanwha Techwin Co., Ltd. | Method and apparatus for playing media stream on web browser |
| CN106506525B (en) * | 2016-11-29 | 2019-10-25 | 北京旷视科技有限公司 | For playing the method and device of video flowing on a web browser |
| CN110769193B (en) * | 2018-07-26 | 2021-10-08 | 视联动力信息技术股份有限公司 | Monitoring playing method and device |
| CN109326125B (en) * | 2018-11-14 | 2021-07-16 | 太原市高远时代科技有限公司 | Picture quality diagnosis system and method based on embedded system |
| CN111131880B (en) * | 2019-12-30 | 2022-04-12 | 中国银行股份有限公司 | Webpage customized video recording method and device |
| CN113873337A (en) * | 2021-10-27 | 2021-12-31 | 猫岐智能科技（上海）有限公司 | Image viewing method |
| CN114025140B (en) * | 2021-11-19 | 2024-03-08 | 四方智能(武汉)控制技术有限公司 | Integrated client for B/S architecture monitoring system |
| CN115695879B (en) * | 2023-01-04 | 2023-03-28 | 北京蓝色星际科技股份有限公司 | Video playing method, system, device, electronic equipment and storage medium |
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| US8156248B2 (en) * | 2003-10-09 | 2012-04-10 | International Business Machines Corporation | Image distribution for dynamic server pages |
| CN101477535B (en) * | 2008-12-30 | 2011-06-08 | 华为技术有限公司 | Web page display method, request processing method, apparatus and system |
| CN101860734B (en) * | 2009-04-07 | 2012-07-04 | 谢亚南 | Method for implementing incremental transmission and display of dynamic images through AJAX |
| CN101902580A (en) * | 2009-05-26 | 2010-12-01 | 北京同步科技有限公司 | Network multimedia tracking system for teaching |
| EP2270710B1 (en) * | 2009-06-30 | 2015-12-23 | Axis AB | Method for restricting access to media data generated by a camera |
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