NDLI: Inter-frame error concealment using graph cut technique for video transmission

Content Provider	IEEE Xplore Digital Library
Author	Xuanguo Wu Hong Shen
Copyright Year	2010
Description	Author affiliation: Department of Computer Science and Technology, University of Science and Technology of China, China (Xuanguo Wu; Hong Shen)
Abstract	Due to channel noise and congestion, video data packets can be lost during transmission in error-prone networks, which severely affects the quality of received video sequences. The conventional inter-frame error concealment (EC) methods estimate a motion vector (MV) for a corrupted block or reconstruct the corrupted pixel values using spatial and temporal weighted interpolation, which may result in boundary discontinuity and blurring artifacts of the reconstructed region. In this paper, we reconstruct corrupted macroblock (MB) by predicting sub-partitions and synthesizing the corrupted MB to reduce boundary discontinuity and avoid blurring artifacts. First, we select the optimal MV for each neighboring boundary using minimum side match distortion from a candidate MV set, and then we calculate the optimal cut path between the overlapping regions to synthesize the corrupted MB. The simulation results show that our proposed method is able to achieve significantly higher PSNR as well as better visual quality than using the H.264/AVC reference software.
Starting Page	253
Ending Page	257
File Size	443181
Page Count	5
File Format	PDF
ISBN	9781424465132
e-ISBN	9781424465163
DOI	10.1109/CISP.2010.5648292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Visualization Image synthesis Video sequences Error concealment Graph cut Estimation Streaming media Automatic voltage control H.264/AVC Pixel Image reconstruction Side match distortion
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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