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Journal of Electronic Imaging

Hole filling using joint bilateral filtering for moving object segmentation
Author(s): Ran Liu; Bole Li; Zhengwei Huang; Donghua Cao; Yingchun Tan; Zekun Deng; Miao Xu; Ruishuang Jia; Weimin Tan
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Paper Abstract

Due to various reasons (e.g., poor quality of image, sudden changes in light conditions, occlusions, or objects with similar colors), holes may appear in the moving object region when performing moving object segmentation. How to remove these holes is a crucial problem in high-quality segmentation. A moving object segmentation approach combining symmetrical differencing and joint bilateral filtering is proposed. One important aspect of our approach is that joint bilateral filtering is used to eliminate/reduce the holes in the moving object region, which makes the extracted moving object more accurate and complete, in many cases in contrast to the reference temporal difference approaches. The approach first performs block-based symmetrical differencing to obtain coarse moving object regions. Then, a joint bilateral filter that uses the current gray image as a guide image is adopted to smooth the difference image. Next, edge detection is performed on the smoothed difference image and the current gray image, respectively, to get the edges of moving objects. Finally, the undesired background is distinguished from the moving object and is cut off by a postprocessing module. In addition, the fast joint bilateral filters that can be used as substitutes for the classical joint bilateral filter are discussed. Experimental results show that this approach can effectively fill the holes in the moving object region and provide an improvement in accuracy of moving object segmentation in many cases.

Paper Details

Date Published: 18 December 2014
PDF: 17 pages
J. Electron. Imag. 23(6) 063021 doi: 10.1117/1.JEI.23.6.063021
Published in: Journal of Electronic Imaging Volume 23, Issue 6
Show Author Affiliations
Ran Liu, Chongqing Univ. (China)
Chongqing Key Lab. of Software Theory and Technology (China)
Bole Li, Chongqing Univ. (China)
Zhengwei Huang, Chongqing Univ. (China)
Donghua Cao, Chongqing Key Lab. of Software Theory and Technology (China)
Chongqing Univ. (China)
Yingchun Tan, Chongqing Univ. (China)
Zekun Deng, Chongqing Univ. (China)
Miao Xu, Chongqing Key Lab. of Software Theory and Technology (China)
Chongqing Univ. (China)
Ruishuang Jia, Chongqing Key Lab of Software Theory and Technology (China)
Chongqing Univ. (China)
Weimin Tan, Chongqing Univ. (China)

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