Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method and system for global encoding of urban traffic surveillance video

A surveillance video, global coding technology, applied in the field of urban traffic surveillance video coding, can solve problems such as urban surveillance data redundancy

Active Publication Date: 2015-01-21
WUHAN UNIV
View PDF5 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various types of urban vehicles with similar, identical, and long-term stability are repeatedly captured by surveillance cameras all over the city, resulting in a large amount of urban surveillance data redundancy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and system for global encoding of urban traffic surveillance video
  • Method and system for global encoding of urban traffic surveillance video
  • Method and system for global encoding of urban traffic surveillance video

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0128] The specific implementation of the construction of the three-layer knowledge dictionary in this step is as follows:

[0129] (1) The construction of the first-level knowledge dictionary, that is, the construction of the common visual texture information knowledge dictionary of all types of global moving vehicles.

[0130] The sparse coding method is used to construct a knowledge dictionary of common visual texture information for all types of sports vehicles. The cost function is as follows:

[0131] ( D 1 , α 1 ) = arg min D 1 , α 1 X c = 1 C | | y c - D 1 α 1 c | | 2 2 + τ X c = 1 C | | α 1 c | | 1 - - - ( 1 )

[0132] Among them, D 1 Represents the first-level knowledge dictionary; C represents the number of types of global moving vehicles, and c represents the type number of global moving vehicles; y c Represents the co...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method and system for global encoding of an urban traffic surveillance video. The method comprises the steps of segmenting the original surveillance video into a vehicle video and a vehicle-removed video, encoding the vehicle-removed video through the optional differential encoding method, extracting a global feature parameter set of global moving vehicles in the vehicle video, and carrying out global encoding on the vehicle video based on global feature parameters. According to the method and system, global redundancy in the surveillance video is removed on the basis of removing scene redundancy, and therefore the efficiency of encoding and compression of the urban traffic surveillance video is effectively improved.

Description

Technical field [0001] The invention belongs to the technical field of urban traffic monitoring video coding, and in particular relates to a global coding method and system for urban traffic monitoring video. Background technique [0002] The goal of video signal compression coding technology is to characterize video information with as few bits as possible while ensuring a certain reconstruction quality. The traditional video coding method based on Shannon's information theory starts from the signal processing level, based on pixels and blocks, adopts a hybrid coding framework combining transform, prediction, and entropy coding, and improves compression performance by mining the spatiotemporal redundancy of the image and video signal itself. However, most of the current video compression technologies are for non-specific applications. In recent years, video compression technologies developed for the characteristics and needs of specialized applications (such as surveillance vide...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/527H04N19/103H04N19/90H04N7/18
CPCH04N7/18
Inventor 胡瑞敏马民生肖晶胡金晖尹黎明
Owner WUHAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com