CN105049818A - Method for optimizing video data transmission - Google Patents
Method for optimizing video data transmission Download PDFInfo
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- CN105049818A CN105049818A CN201510525179.7A CN201510525179A CN105049818A CN 105049818 A CN105049818 A CN 105049818A CN 201510525179 A CN201510525179 A CN 201510525179A CN 105049818 A CN105049818 A CN 105049818A
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Abstract
The invention provides a method for optimizing video data transmission. According to the method for optimizing video data transmission, fixed background information and non-fixed background information (difference information) in video data are separated, and then the compressed non-fixed background information is transmitted to a background server by use of a wireless transmission technology; the background server synthesizes and restores the fixed background information and the non-fixed background information stored in the database of the background server to obtain the original monitoring video. The method optimizing video data transmission has the beneficial effects that the fixed background information within the monitoring range of a monitoring camera is registered in the background server, and meanwhile, the fixed background information and the difference information in the monitoring video are separated, and therefore, the complete original monitoring video can be restored in the background server as long as the monitoring camera transmits only the difference information, and furthermore, the traffic can be effectively saved and a solution method can be provided for large-scale application of high-definition wireless monitoring.
Description
Technical field
The invention belongs to data processing field, particularly relate to a kind of method optimizing video data transmission.
Background technology
General, connected by cable network between monitor video geodata and services device, on the one hand, wired connection can realize high-speed transfer, impact by network speed bandwidth is not too large, and secondly, wired connection can transmission of high-definition, high-resolution HD video data.But for field, owing to there is no cable network, its transfer of data is by the impact of wireless network bandwidth, general micro radio transmission equipment cannot meet the requirement of the high-resolution HD video data of transmission of high-definition, and use the monitoring camera-shooting of low resolution, certain impact is created on the safety of control point.
For meeting the condition of the HD video of transmitting high speed transmission in the wild data, usually needing to be equipped with comparatively large-scale equipment, needing to open corresponding wireless network bandwidth simultaneously, bring great cost overhead thus.Cause the high-new video monitoring of outdoor normalization thus, particularly for the video surveillance point that can not be connected with spider lines, high-definition video monitoring is set and there is larger technology barrier.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of method optimizing video data transmission, which solve the technology barrier that existing general wireless device can not transmit high-definition video monitoring.
A kind of method optimizing video data transmission of the present invention is specific as follows:
There are a background server and some monitoring cameras;
Described monitoring camera is digital signal formula video monitoring;
Described monitoring camera is built-in with dsp processor, data processing and control module, data memory module and wireless transport module;
Described monitoring camera carries out registering and generates unique corresponding monitoring camera identity information in background server; The built-in data memory module of described monitoring camera stores fixed background information and the monitoring camera identity information of monitoring range; The fixed background information being stored in data memory module is stored in background server equally and described fixed background information and monitoring camera identity information are bound;
Monitoring camera monitors surrounding enviroment in real time, thus obtains monitor video;
Fixed background information in data processing and control module real-time dynamic contrast analysis monitoring video and memory module, image information and fixed background information as found monitor video there are differences, then different information is separated by dsp processor;
Data processing and control module obtains monitoring camera identity information, then monitoring camera identity information and described different information is bound and compressed to form discrepancy data;
Discrepancy data is sent to background server by wireless transport module;
Background server stores and the different information read in discrepancy data and monitoring camera identity information;
Background server calls corresponding fixed background information according to monitoring camera identity information, and the fixed background information called and variance data is synthesized and be reduced to original monitor video.
Further, described different information comprises movable information and the timestamp information of relative fixed background information.
Further, the positional information of monitoring camera is also stored in described background server.
Further, described monitoring camera is by solar cell for supplying power.
The beneficial effect of technical scheme of the present invention is: by registering the fixed background information in the monitoring range of monitoring camera in background server, fixed background information in the video of monitoring of separation simultaneously and different information, make monitoring camera only transmit different information and can reduce complete original monitor video in background server, effectively can save flow, be the solution that large-scale application high definition wireless monitor provides.
Embodiment
Realize a kind of method optimizing video data transmission of the present invention, need to use a set of equipment, it comprises background server and video monitoring equipment (as monitoring camera is first-class), based on object of the present invention, described video monitoring equipment is Wireless Data Transmission, and must comprise a wireless transport module.Video monitoring equipment described in addition also comprises dsp processor, data processing and control module, data memory module.
Described dsp processor, data memory module and wireless transport module are all electrically connected with data processing and control module.
Described dsp processor mainly realizes being separated of fixed background information and different information.
Described data memory module mainly stores the relevant information of fixed background information, watch-dog identity information and other necessity in watch-dog monitoring range.
Whether there are differences information in the main real-time analysis monitor video of described data processing and control module, and instruction dsp processor carries out separating treatment to video data, compression variance data, and instruction wireless transport module transmission packet etc.
Described wireless transport module receives the discrepancy data of data processing and control module transmission and is transferred to background server.
A kind of technical way optimizing the method for video data transmission of the present invention is: the fixed background information in separating video data and on-fixed background information (i.e. different information), then by Radio Transmission Technology, the on-fixed background information after compression is transferred in background server, by background server the fixed background information in its database of storage and on-fixed background information synthesized and reduce, original monitor video can be obtained.
It is important to note that a kind of monitor video be separated in the method for video data transmission of optimizing of the present invention is obtained by digital signal formula video monitoring, but not analog signal formula video monitoring.
A kind of detailed process optimizing the method for video data transmission of the present invention is:
Monitoring camera monitors surrounding enviroment in real time, thus obtains monitor video;
Fixed background information in data processing and control module real-time dynamic contrast analysis monitoring video and memory module, image information and fixed background information as found monitor video there are differences, then different information is separated by dsp processor;
Data processing and control module obtains monitoring camera identity information, then monitoring camera identity information and described different information is bound and compressed to form discrepancy data;
Discrepancy data is sent to background server by wireless transport module;
Background server stores and the different information read in discrepancy data and monitoring camera identity information;
Background server calls corresponding fixed background information according to monitoring camera identity information, and the fixed background information called and variance data is synthesized and be reduced to original monitor video.
What applicant needed again to illustrate is, the method of the method for the dsp processor monitoring of separation video variance information related in the technical program and background server utilization variance packet and fixed background information synthesis reduction original video is all that those skilled in the art know, therefore applicant is not described in detail in this specific embodiments.
In addition, although illustratively to the preferred embodiments of the present invention only description, for a person skilled in the art, under the prerequisite of the scope and aim that do not depart from claims, various amendment, improvement and replacement can be had.
Claims (4)
1. optimize a method for video data transmission, it is characterized in that:
The system realizing the method comprises: a background server and some monitoring cameras;
Described monitoring camera is digital signal formula video monitoring;
Described monitoring camera is built-in with dsp processor, data processing and control module, data memory module and wireless transport module;
Described method comprises the steps:
(1) described monitoring camera carried out in background server register and generate unique corresponding monitoring camera identity information;
(2) fixed background information and the monitoring camera identity information of monitoring range is stored at the data memory module that described monitoring camera is built-in;
(3) the fixed background information of data memory module stores and described fixed background information and monitoring camera identity information are bound in background server;
(4) open monitoring camera and monitor surrounding enviroment in real time, thus obtain monitor video;
(5) fixed background information in data processing and control module real-time dynamic contrast analysis monitoring video and memory module, when the image information and fixed background information finding monitor video there are differences, then different information is separated by dsp processor;
(6) data processing and control module obtains monitoring camera identity information, then monitoring camera identity information and described different information is bound and compressed to form discrepancy data;
(7) discrepancy data is sent to background server by wireless transport module; Background server stores and the different information read in discrepancy data and monitoring camera identity information;
(8) background server calls corresponding fixed background information according to monitoring camera identity information, and the fixed background information called and variance data is synthesized and be reduced to original monitor video.
2. a kind of method optimizing video data transmission as claimed in claim 1, is characterized in that: described different information comprises movable information and the timestamp information of relative fixed background information.
3. a kind of method optimizing video data transmission as claimed in claim 1, is characterized in that: the positional information also storing monitoring camera in described background server.
4. a kind of method optimizing video data transmission as claimed in claim 1, is characterized in that: described monitoring camera is by solar cell for supplying power.
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| CN201510525179.7A CN105049818A (en) | 2015-08-25 | 2015-08-25 | Method for optimizing video data transmission |
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| CN201510525179.7A CN105049818A (en) | 2015-08-25 | 2015-08-25 | Method for optimizing video data transmission |
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| CN105635693A (en) * | 2016-03-04 | 2016-06-01 | 厦门大易孝德文化产业有限公司 | Dynamic image acquisition method applied to smart cemetery |
| CN107155088A (en) * | 2017-03-30 | 2017-09-12 | 安徽森度科技有限公司 | A kind of method of transmitting video data |
| CN107679190A (en) * | 2017-09-30 | 2018-02-09 | 冯贵良 | A kind of big data 3 D displaying method and display system |
| CN110198475A (en) * | 2018-11-09 | 2019-09-03 | 腾讯科技（深圳）有限公司 | Method for processing video frequency, device, equipment and computer readable storage medium |
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Application publication date: 20151111 |