Simple detection method and compensation filter to remove corner outlier artifacts
- Authors
- Kim, Jongho; Kim, Donghyung; Jeong, Jechang
- Issue Date
- Sep-2006
- Publisher
- SPRINGER-VERLAG BERLIN
- Keywords
- corner outlier artifact; deblocking filter; MPEG-4 video; low bit-rate video
- Citation
- IMAGE ANALYSIS AND RECOGNITION, PT 1, v.4141, pp.516 - 525
- Indexed
- SCIE
SCOPUS
- Journal Title
- IMAGE ANALYSIS AND RECOGNITION, PT 1
- Volume
- 4141
- Start Page
- 516
- End Page
- 525
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/181080
- DOI
- 10.1007/11867586_48
- ISSN
- 0302-9743
- Abstract
- We propose a simple detection method and compensation filter in order to remove corner outlier artifacts. The corner outlier artifacts are detected based on the directions of edges going through a block corner and the characteristics of blocks around the edges. According to the detection results, we compensate the stair-shaped discontinuities, the so-called corner outlier artifacts, using the neighboring pixels of the artifacts in spatial domain. Simulation results show that the proposed method improves, when combined with a deblocking filter in particular, both objective and subjective visual quality.
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