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Detection method and removing filter for corner outliers in highly compressed video
- Authors
- Kim, Jongho; Jeon, Kicheol; Jeong, Jechang
- Issue Date
- Dec-2006
- Publisher
- Springer Verlag
- Keywords
- Block-based coding; Corner outlier; Low bit-rate video; MPEG-4 video
- Citation
- Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), v.4319 LNCS, pp.1177 - 1184
- Indexed
- SCOPUS
- Volume
- 4319 LNCS
- Start Page
- 1177
- End Page
- 1184
- ISSN
- 0302-9743
- Abstract
- We propose a detection method and a removal filter for corner outliers in order to improve visual quality in highly compressed video. Corner outliers are detected using the direction of edge going through a block-corner and the properties of blocks around the block-corner. The proposed filter for removing corner outliers, which compensates the stair-shaped discontinuities around edges using the adjacent pixels, is applied to the detected area. Simulation results show that the proposed method improves, particularly in combination with deblocking filters, the visual quality remarkably.
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Related Researcher
- Jeong, Jechang
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)