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Multiresolution Based Gaussian Mixture Model for Background Suppression
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DOI：10.1109/TIP.2013.2281423.png)
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摘要
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This paper aims toward improving background suppression from video frames by incorporating multiresolution features in Gaussian mixture model (GMM). GMMhas proven its place for background modeling due to its better applicability and robustness compared with other popular methods in literature. However, GMM fails in a number of situations such as noisy and non-stationary background, slow foregrounds, and illumination variation. Extensions to GMM have also been proposed to increase accuracy in expense of increased complexity, decrease in execution speed, and reduced applicability. In view of the above, this paper aims to provide a methodology to assimilate useful multiresolution features with GMM that considerably improves the performance. The contributions of this paper are: 1) a novel framework to incorporate wavelet subbands in GMM to improve its performance; 2) an approach to incorporate variable number of clusters in the aforesaid framework; and 3) a generic platform to use any multiresolution decomposition based GMM for background suppression. Extensive experimentations on several video sequences are performed to verify the improvement in accuracy compared with conventional GMM as well as a number of state-of-the-arts approaches. Along with qualitative and quantitative analysis, justification on the use of multiresolution is provided for clarification.
Keyword:
Gaussian mixture model
multiresolution
video segmentation
background suppression
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IF:
13.7
论文数:
1.0W
被引数:
8.4W
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