Robust background subtraction to global illumination changes via multiple features-based online robust principal components analysis with Markov random field

Sajid Javed; Seon Ho Oh; Thierry Bouwmans; Soon-Ki Jung

doi:10.1117/1.JEI.24.4.043011

11 August 2015 Robust background subtraction to global illumination changes via multiple features-based online robust principal components analysis with Markov random field

Sajid Javed, Seon Ho Oh, Thierry Bouwmans, Soon-Ki Jung

Author Affiliations +

Journal of Electronic Imaging, Vol. 24, Issue 4, 043011 (August 2015). https://doi.org/10.1117/1.JEI.24.4.043011

Abstract

Background subtraction is an important task for various computer vision applications. The task becomes more critical when the background scene contains more variations, such as swaying trees and abruptly changing lighting conditions. Recently, robust principal component analysis (RPCA) has been shown to be a very efficient framework for moving-object detection. However, due to its batch optimization process, high-dimensional data need to be processed. As a result, computational complexity, lack of features, weak performance, real-time processing, and memory issues arise in traditional RPCA-based approaches. To handle these, a background subtraction algorithm robust against global illumination changes via online robust PCA (OR-PCA) using multiple features together with continuous constraints, such as Markov random field (MRF), is presented. OR-PCA with automatic parameter estimation using multiple features improves the background subtraction accuracy and computation time, making it attractive for real-time systems. Moreover, the application of MRF to the foreground mask exploits structural information to improve the segmentation results. In addition, global illumination changes in scenes are tackled by using sum of the difference of similarity measure among features, followed by a parameter update process using a low-rank, multiple features model. Evaluation using challenging datasets demonstrated that the proposed scheme is a top performer for a wide range of complex background scenes.

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Sajid Javed, Seon Ho Oh, Thierry Bouwmans, and Soon-Ki Jung "Robust background subtraction to global illumination changes via multiple features-based online robust principal components analysis with Markov random field," Journal of Electronic Imaging 24(4), 043011 (11 August 2015). https://doi.org/10.1117/1.JEI.24.4.043011

Published: 11 August 2015

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