Wireless video transmission system based on Brew platform

A technology for wireless video and transmission systems, applied in closed-circuit television systems, digital video signal modification, television, etc., can solve the problem of high complexity, strengthen the processing of bit errors and packet loss, realize video streaming transmission, and realize image compression. and transmission effects

Inactive Publication Date: 2007-12-26
西安联合信息技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0035] Its encoding performance is slightly better than UVLC, but the complexity is higher

Method used

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  • Wireless video transmission system based on Brew platform
  • Wireless video transmission system based on Brew platform

Examples

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Embodiment Construction

[0058] The present invention encodes the information of all monitoring points into a wireless signal that can be transmitted on the Brew platform, and can perform real-time monitoring on the mobile terminal. The system includes a video acquisition / encoding server, a monitoring signal forwarding server, and a mobile terminal. The working process is as follows:

[0059] (1) initialization;

[0060] (2) video image acquisition;

[0061] (3) Use the KMVC encoding algorithm protocol to encode;

[0062] (4) Forwarding: through wireless (CDMA 1X) transmission;

[0063] (5) Mobile terminals that support Brew request server data;

[0064] (6) Buffering the data;

[0065] (7) Use the KMVC encoding algorithm protocol to decode;

[0066] (8) Image output and playback in YUV format

[0067] (9) request the next frame of image data to repeat steps 5 to 8;

[0068] The acquisition point can use a conventional surveillance video head or a wireless surveillance acquisition device with a ...

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Abstract

The system comprises several radio monitor points connected each other via mobile communication. The monitor unit can be moved, and the data is transmitted by the encrypted transmission line. The system is flexible and expandable. The information collected by the video collector in each monitor point is encoded by an encoding server in order to make the collected information become the radio signals capable of being transmitted on Brew platform; the radio signals are relayed to the mobile terminal via monitor signal relay server.

Description

1. Technical field: [0001] The invention relates to a video transmission system, in particular to a Brew platform-based wireless video transmission system capable of using the Brew platform to realize monitoring points to mobile terminals. 2. Background technology: [0002] Video surveillance system is one of the most widely used fields of wireless network technology. Surveillance systems are mainly used to monitor and control important areas or remote locations. Video surveillance technology is being more and more widely used in power systems, telecommunications rooms, factories, urban transportation, water conservancy systems, community security and other fields. The video surveillance system transmits the video files collected in real time by the monitored points to the monitoring center in a timely manner, dynamically reports the situation of the monitored points in real time, finds problems in time and handles them. [0003] Since the existing wireless video surveillan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/32H04N7/18H04N19/159H04N19/503H04N19/513H04N19/625
Inventor 李涛
Owner 西安联合信息技术股份有限公司
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