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http://dx.doi.org/10.3745/KIPSTD.2007.14-D.7.801

Kalman filter based Motion Vector Recovery for H.264  

Ko, Ki-Hong (서울시립대학교 컴퓨터통계학과)
Kim, Seong-Whan (서울시립대학교 컴퓨터과학부)
Publication Information
The KIPS Transactions:PartD / v.14D, no.7, 2007 , pp. 801-808 More about this Journal
Abstract
Video coding standards such as MPEG-2, MPEG-4, H.263, and H.264 transmit a compressed video data using wired/wireless communication line with limited bandwidth. Because highly compressed bit-streams is likely to fragile to error from channel noise, video is damaged by error. There have been many research works on error concealment techniques, which recover transmission errors at decoder side [1, 2]. We designed an error concealment technique for lost motion vectors of H.264 video coding. In this paper, we propose a Kalman filter based motion vector recovery scheme, and experimented with standard video sequences. The experimental results show that our scheme restores original motion vector with more precision of 0.91 - 1.12 on average over conventional H.264 decoding with no error recovery.
Keywords
Forward Error Concealment; Decoder Error Concealment; Kalman Filter; Motion Vector Recovery; Motion Vector Prediction;
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