2007 6th International Conference on Information, Communications &Amp; Signal Processing 2007
DOI: 10.1109/icics.2007.4449610
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A QR decomposition based mixture model algorithm for background modeling

Abstract: This paper presents a new algorithm for background modeling in a sequence of images, even if there are foreground objects in each frame. We develop a QR decomposition based algorithm to remove foreground pixels from the image and then we construct the background model using Mixture of Gaussian algorithm, MoG. We split the image into small blocks and construct the background blocks using R-values taken from QR decomposition which indicate the degree of significance of the decomposed parts. The simulation result… Show more

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Cited by 2 publications
(4 citation statements)
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“…This is actually the same as the concept of eigenfaces, which models the faces and not the background. In our previous papers [25], [26] we demonstrated the efficiency of the usage of eigenvectors related to weak eigenvalues, by QR factorization; here our claim is extended and mathematically proved.…”
Section: Introductionmentioning
confidence: 56%
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“…This is actually the same as the concept of eigenfaces, which models the faces and not the background. In our previous papers [25], [26] we demonstrated the efficiency of the usage of eigenvectors related to weak eigenvalues, by QR factorization; here our claim is extended and mathematically proved.…”
Section: Introductionmentioning
confidence: 56%
“…As before, the red circles demonstrate foreground frames and blue crosses show background frames. Subfigures (a)-(e) show the subspaces corresponding to the following eigenvectors' pairs: (1,2), (25,26), (49,50), (73,74) and (97,98), respectively.…”
Section: Resultsmentioning
confidence: 99%
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“…The background motion induced by orthographic cameras is found in a low rank subspace, and pixels corresponding to a single trajectory are found in a low rank subspace (Cui et al 2012). This work has a wide range of applications, ranging from compression to scene interpretation for recognising moving objects in films captured by stationary cameras (Amintoosi, Farbiz, and Fathy 2007).…”
Section: Introductionmentioning
confidence: 99%