Embedded video monitoring and digital recording network based on visual information detection

A video surveillance and visual information technology, applied in closed-circuit television systems, character and pattern recognition, instruments, etc., can solve the problems of large memory space and increased overhead, and achieve the effect of reducing storage space, reducing burden, and saving network transmission bandwidth

Inactive Publication Date: 2009-02-11
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the hard disk memory space is quite large.
In addition, the transmission of so much data from the monitoring site to the monitoring central station also greatly increases the CPU overhead

Method used

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  • Embedded video monitoring and digital recording network based on visual information detection
  • Embedded video monitoring and digital recording network based on visual information detection
  • Embedded video monitoring and digital recording network based on visual information detection

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Embodiment Construction

[0023] Such as figure 1 As shown, the present invention consists of an integrated network camera SXJn (SXJ1-SXJ4) supporting four-way video input at the front end, a transmission network supporting the TCP / IP protocol, a monitoring computer JKJ, a network video server SPFW, and a hard disk storage YPCZ. The present invention adopts B / S system structure (browser / server structure), and adopts convenient and flexible WEB mode monitoring (B / S structure) for the application of video monitoring and monitoring. This method adopts the standard TCP / IP protocol, which can be applied to LAN and WAN, the gateway can be set arbitrarily, and it fully supports cross-network segments and remote video monitoring environment with routers.

[0024] The integrated network camera SXJn is composed of a CCD camera, a front-end monitoring site embedded video service device SPI and a PTZ control device. The imaging size of the CCD camera selected by the design adopts 1 / 3"HIGSONY CCD, and the digital...

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Abstract

The invention relates to an embedded video monitoring and digital video network based on visual information detection. The control flow is as follows: (1) collecting an on-site image to be transferred to a monitoring centre; (2) analyzing two images by a frame differential method before and after being collected; if the on-site image changes, transferring the current image, otherwise, collecting the on-site images repeatedly and continuing the step 2; (3) managing abnormal images by a network video server SPFW to be saved to a hard disk memorizer YPCZ. The invention adopts a B/S system structure (a browser/a server structure). Aiming at the application of the video monitoring and supervision, and on the basis of ensuring validity and reliability of the data saving of the monitoring images, the invention not only greatly reduces the memory space, but also saves the network transmission bandwidth and reduces the burden on the network transmission.

Description

technical field [0001] The present invention relates to an embedded monitoring and digital video network for extracting visual feature information from video image data streams, which can realize networked acquisition of multi-point, multi-channel (road) video images, detection and recognition of abnormal events and Compressed storage of video image data stream, it supports multiple camera access and supports PTZ (pan swing, tilt tilt, zoom zoom) control of the camera. The utility model belongs to the technical field of video surveillance and digital video recording. Background technique [0002] In the digital video monitoring of unattended important engineering equipment, important public places, traffic intersections and other occasions, the video images collected by all cameras are converted into digital signals, and after being transmitted through the network, they need to be stored in the dedicated monitoring video On the hard disk of the server to ensure the reliabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18G06K9/00
Inventor 徐立中石爱业张学武王慧斌汤敏
Owner HOHAI UNIV
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