NDLI: Invertible deinterlacing with variable coefficients and its lifting implementation

Content Provider	IEEE Xplore Digital Library
Author	Ishida, T. Muramatsu, S. Kikuchi, H. Kuge, T.
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Niigata Univ., Japan (Ishida, T.; Muramatsu, S.; Kikuchi, H.)
Abstract	Invertible deinterlacing with variable coefficients is proposed to suppress comb-tooth artifacts caused by field interleaving of interlaced scanning video. A vertical highpass filter is applied to detect moving artifacts around boundaries of moving objects. The coefficients of a deinterlacing filter is varied depending on the motion intensity so that the deinterlacing filter may be matched to the local characteristics of moving pictures. Note that the deinterlacing filter is motion-adaptive and is time/translation-varying, while the deinterlacing is still kept to be invertible. The deinterlacing filter performance and its contribution to intraframe-based video coding are evaluated. In addition, since the processing of motion detection and a part of deinterlacing filtering can be shared, their efficient implementation is derived in the form of lifting popular in wavelets.
Sponsorship	IEEE Signal Process, Soc
File Size	288849
File Format	PDF
ISBN	0780376633
ISSN	15206149
DOI	10.1109/ICASSP.2003.1199118
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sampling methods Interleaved codes Motion detection Lattices Matched filters Filtering Transcoding Laboratories Object detection Video coding
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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