A new adaptive trilateral filter for in-loop filtering
Date
2014
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American English
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M.S.
Degree Year
2014
Department
Electrical & Computer Engineering
Grantor
Purdue University
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Abstract
HEVC has achieved significant coding efficiency improvement beyond existing video coding standard by employing many new coding tools. Deblocking Filter, Sample Adaptive Offset and Adaptive Loop Filter for in-loop filtering are currently introduced for the HEVC standardization. However these filters are implemented in spatial domain despite the fact of temporal correlation within video sequences. To reduce the artifacts and better align object boundaries in video , a new algorithm in in-loop filtering is proposed. The proposed algorithm is implemented in HM-11.0 software. This proposed algorithm allows an average bitrate reduction of about 0.7% and improves the PSNR of the decoded frame by 0.05%, 0.30% and 0.35% in luminance and chroma.
Description
Indiana University-Purdue University Indianapolis (IUPUI)
LC Subjects
H.263 (Video coding standard) -- Research, MPEG (Video coding standard) -- Research, Digital video -- Standards -- Research, Video compression -- Standards -- Research, Image processing -- Digital techniques, Digital video -- Editing -- Data processing, Decoders (Electronics), Telecommunication systems -- Technological innovations, Coding theory, Algorithms, Transformations (Mathematics), Electrical engineering -- Mathematics
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