NDLI: A Hermite Interpolation Based Motion Vector Recovery Algorithm for H.264/AVC

Content Provider	IEEE Xplore Digital Library
Author	Heng Li YanChun Zhong
Copyright Year	2010
Abstract	Error Concealment is a very useful method to improve the video quality. It aims at using the maximum received video data to recover the lost information of the picture at the decoder. Lagrange interpolation algorithm is the most effective interpolation for error concealment while it lost some detail information. Hermite interpolation algorithm considers the change rate of the motion vector as well as the motion vector itself, which is more accurate. In this paper, we propose a novel method which uses hermite interpolation to predict the lost motion vectors. We take the change rate (derivative) of motion vector into account, and synthesizing the horizontal and vertical recovered motion vectors adaptively by the minimum distance method. The experimental result shows that our method achieves higher PSNR values than Lagrange interpolation.
Starting Page	63
Ending Page	67
File Size	375384
Page Count	5
File Format	PDF
ISBN	9781424457267
e-ISBN	9781424457274
DOI	10.1109/ICCSN.2010.62
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-26
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hermite interpolation Vectors Decoding Videoconference Lagrangian functions Interpolation motion vector H.264 video Video compression Forward error correction error concealment Automatic voltage control Polynomials High definition video
Content Type	Text
Resource Type	Article

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