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Sparcity-induced structured transform in intra video coding for screen contents

Title
Sparcity-induced structured transform in intra video coding for screen contents
Authors
Kang J.-W.
Ewha Authors
강제원
SCOPUS Author ID
강제원scopus
Issue Date
2015
Journal Title
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ISSN
0302-9743JCR Link
Citation
vol. 9315, pp. 300 - 307
Keywords
Computer synthetic videosHEVCHEVC range extensionScreen contentsSparsity-induced structured transform
Publisher
Springer Verlag
Indexed
SCOPUS scopus
Abstract
In this paper, we propose a novel transform method based on learning a sparse model of residue in intra video coding. The proposed method considers generation of transformed coefficients locally grouped in a block as well as the sparsity of the coefficients, which can improve the coding efficiency of the screen content videos such as computer synthetic videos. The proposed method trains the transform on-line with using the residue, applied to the current frame. It is demonstrated with experiments that the proposed method improves the coding gain over HEVC Range extension standard. © Springer International Publishing Switzerland 2015.
DOI
10.1007/978-3-319-24078-7_30
ISBN
9783319240770
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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