Zobrazeno 1 - 10 of 28 pro vyhledávání: '"Yong Jo Ahn"'
3
Perceptual intra-frame coding for HEVC still picture profile based on invisible signal suppression
Autor: Yongwoong Kim, Yong-Jo Ahn, Dong-Gyu Sim, Hyun-Ho Jo, Seon-Oh Lee
Publikováno v: Signal, Image and Video Processing. 14:1053-1061
In this paper, a perceptual intra-frame coding for high-efficiency video coding under the still picture profile is proposed to improve coding efficiency in terms of subjective quality. The proposed method suppresses invisible signals based on the jus
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4a62bd90b70e627d810937d72a7e43b
https://doi.org/10.1007/s11760-020-01639-x
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6
Software pipelining with CGA and proposed intrinsics on a reconfigurable processor for HEVC decoders
Autor: Dong-Gyu Sim, Jonghun Yoo, Hyun-Ho Jo, Yong-Jo Ahn
Publikováno v: Journal of Real-Time Image Processing. 16:2173-2187
This work proposes several intrinsics on a reconfigurable processor intended for HEVC decoding and software pipelining algorithms with a coarse-grained array (CGA) architecture as well as the proposed intrinsic instructions. Software pipelining algor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4e9f47f27e49c7f26779883b3794c0f
https://doi.org/10.1007/s11554-017-0729-9
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7
Tile-level rate control for tile-parallelization HEVC encoders
Autor: Dong-Gyu Sim, Ismail Marzuki, Yong-Jo Ahn
Publikováno v: Journal of Real-Time Image Processing. 16:2107-2125
In this paper, we propose a tile-level rate control algorithm for high efficiency video coding on tile-parallelization case. In general, conventional rate control algorithms consist of three stages: group-of-picture-level, picture-level, and unit-lev
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b84cd9f1d74f195f61382d1478c09cda
https://doi.org/10.1007/s11554-017-0720-5
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8
Fast mode decision and early termination based on perceptual visual quality for HEVC encoders
Autor: Dong-Gyu Sim, Yong-Jo Ahn
Publikováno v: Journal of Real-Time Image Processing. 16:1927-1942
This paper presents an early termination and fast mode decision for the HEVC encoder with a perceptual visual quality. For early termination of residual quad-tree, if the predicted errors for a transform block are not visible in terms of perceptual q
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bf3f8d71a56472d55d960cfa6f92b71
https://doi.org/10.1007/s11554-017-0694-3
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