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Appl. Sci. 2017, 7(10), 989; doi:10.3390/app7100989

Robust Background Subtraction via the Local Similarity Statistical Descriptor

1
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Received: 5 September 2017 / Revised: 19 September 2017 / Accepted: 21 September 2017 / Published: 25 September 2017
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Abstract

Background subtraction based on change detection is the first step in many computer vision systems. Many background subtraction methods have been proposed to detect foreground objects through background modeling. However, most of these methods are pixel-based, which only use pixel-by-pixel comparisons, and a few others are spatial-based, which take the neighborhood of each analyzed pixel into consideration. In this paper, inspired by a illumination- invariant feature based on locality-sensitive histograms proposed for object tracking, we first develop a novel texture descriptor named the Local Similarity Statistical Descriptor (LSSD), which calculates the similarity between the current pixel and its neighbors. The LSSD descriptor shows good performance in illumination variation and dynamic background scenes. Then, we model each background pixel representation with a combination of color features and LSSD features. These features are then embedded in a low-cost and highly efficient background modeling framework. The color and texture features have their own merits and demerits; they can compensate each other, resulting in better performance. Both quantitative and qualitative evaluations carried out on the change detection dataset are provided to demonstrate the effectiveness of our method. View Full-Text
Keywords: background subtraction; locality-sensitive histograms; local similarity statistical descriptor; video surveillance background subtraction; locality-sensitive histograms; local similarity statistical descriptor; video surveillance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zeng, D.; Zhu, M.; Zhou, T.; Xu, F.; Yang, H. Robust Background Subtraction via the Local Similarity Statistical Descriptor. Appl. Sci. 2017, 7, 989.

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