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An Improved Method on Background Extraction and Update(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2012年04期
Page:
67-72
Research Field:
Publishing date:

Info

Title:
An Improved Method on Background Extraction and Update
Author(s):
Zhou Jianqiang; Liu Huai; Zhang Hailong; Li Zhen
School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
Keywords:
background extraction; probability distribution;  statistics histogram;  recursive algorithm
PACS:
TP391.41
DOI:
-
Abstract:
The paper introduces an improved method on background extraction and update based on the features of background extraction and the disadvantages of the low accurancy of mean algorithm and the bad real-time of mixture Gaussian model． The method obtains the initial background with probability distribution and statistics of histogram to reduce the impact of environmental changes． Then to increase the real-time and accurancy， it combines the Gaussian distribution with recursive algorithm to update the background． Compared with means algorithm and mixture Gaussian model，it is easier to be operated，has better real-time and accurancy，and can effectively inhibit the noise caused by the slow targets．

References:

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Last Update: 2013-03-21