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{"insert":{"user_id":"5000080634","type":"presentations","id":"42869139"},"force":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/85048375374","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=337206","label":"url"}],"presentation_title":{"en":"Low-Complexity Intra Coding Algorithm Based on Convolutional Neural Network for HEVC","ja":"Low-Complexity Intra Coding Algorithm Based on Convolutional Neural Network for HEVC"},"presenters":{"en":[{"name":"Katayama Takafumi"},{"name":"Kuroda Kazuki"},{"name":"Shi Wen"},{"name":"Song Tian"},{"name":"Shimamoto Takashi"}],"ja":[{"name":"片山 貴文"},{"name":"Kuroda Kazuki"},{"name":"Shi Wen"},{"name":"宋 天"},{"name":"島本 隆"}]},"event":{"en":"Proceedings of 2018 International Conference on Information and Computer Technologies (ICICT2018)","ja":"Proceedings of 2018 International Conference on Information and Computer Technologies (ICICT2018)"},"publication_date":"2018-03-23","languages":["eng"],"promoter":{"en":"IEEE","ja":"IEEE"},"location":{"en":"DeKalb, USA","ja":"DeKalb, USA"},"description":{"en":"本論文は，HEVCにおけるCNNを用いた低演算量画面内符号化アルゴリズムを提案した．従来，画面内符号化モード決定手法において周辺の画素をCNNに入力する方法があったが，本論文は4つ並列に入力する構造を提案した．提案手法を実装しシミュレーションした結果，従来手法に比べ画質の劣化がほとんどなく，平均67%の高速処理を実現した．","ja":"本論文は，HEVCにおけるCNNを用いた低演算量画面内符号化アルゴリズムを提案した．従来，画面内符号化モード決定手法において周辺の画素をCNNに入力する方法があったが，本論文は4つ並列に入力する構造を提案した．提案手法を実装しシミュレーションした結果，従来手法に比べ画質の劣化がほとんどなく，平均67%の高速処理を実現した．"},"is_international_presentation":true},"priority":"input_data"}
{"insert":{"user_id":"5000080634","type":"presentations","id":"42869166"},"force":{"see_also":[{"@id":"https://www.scopus.com/pages/publications/84959478536","label":"url"},{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=295238","label":"url"}],"presentation_title":{"en":"Spatial Locality Based Supplemental Modes for Intra Prediction of HEVC","ja":"Spatial Locality Based Supplemental Modes for Intra Prediction of HEVC"},"presenters":{"en":[{"name":"Shi Wen"},{"name":"Jiang Xiantao"},{"name":"Song Tian"},{"name":"Shimamoto Takashi"}],"ja":[{"name":"石 文"},{"name":"蒋 先涛"},{"name":"宋 天"},{"name":"島本 隆"}]},"event":{"en":"Proceedings of IEEE International Conference on Consumer Electronics(ICCE-Taiwan 2015)","ja":"Proceedings of IEEE International Conference on Consumer Electronics(ICCE-Taiwan 2015)"},"publication_date":"2015-06-06","languages":["eng"],"promoter":{"en":"IEEE","ja":"IEEE"},"location":{"en":"Taipei","ja":"Taipei"},"description":{"en":"本論文は，HEVCの画面内符号化において画素間の空間相関性を利用した新規符号化方式を提案した．符号化対象CUの画素に対し隣接4画素を4ブロックに分け，符号化済ブロックの情報を用いて残りのブロックを符号化する手法を提案し，使用する効率的なフィルタを提案した．提案手法を参照ソフトウェアJM12.1に実装しシミュレーションした結果，従来手法に比べ平均8.4%の符号化効率向上を実現した．","ja":"本論文は，HEVCの画面内符号化において画素間の空間相関性を利用した新規符号化方式を提案した．符号化対象CUの画素に対し隣接4画素を4ブロックに分け，符号化済ブロックの情報を用いて残りのブロックを符号化する手法を提案し，使用する効率的なフィルタを提案した．提案手法を参照ソフトウェアJM12.1に実装しシミュレーションした結果，従来手法に比べ平均8.4%の符号化効率向上を実現した．"},"is_international_presentation":true},"priority":"input_data"}
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{"insert":{"user_id":"5000080634","type":"presentations","id":"42869191"},"force":{"see_also":[{"@id":"https://web.db.tokushima-u.ac.jp/cgi-bin/edb_browse?EID=223725","label":"url"}],"presentation_title":{"en":"Improved Inter-layer Intra Prediction for Scalable Video Coding","ja":"Improved Inter-layer Intra Prediction for Scalable Video Coding"},"presenters":{"en":[{"name":"Zhao Wenjun"},{"name":"Song Tian"},{"name":"Wang Jinxiang"},{"name":"Shimamoto Takashi"}],"ja":[{"name":"Zhao Wenjun"},{"name":"宋 天"},{"name":"Wang Jinxiang"},{"name":"島本 隆"}]},"event":{"en":"Proceedings of International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP'11)","ja":"Proceedings of International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP'11)"},"publication_date":"2011-03-03","languages":["eng"],"promoter":{"en":"The Research Institute of Signal Processing Japan","ja":"The Research Institute of Signal Processing Japan"},"location":{"en":"Tianjin, China","ja":"Tianjin, China"},"description":{"en":"In this paper, a method based on the two dimensional Wiener filter is proposed in addition to inter-layer intra prediction in H.264/SVC. The performance of inter-layer intra prediction is limited due to the up-sampling operation and the coding noise of base layer. The Wiener filter can be used as an optimizing filter to enhance the prediction of enhancement. However, prediction errors of some pixels are increased by this filter operation. The proposed method applies the filter for each block of different size adaptively. Experimental results show that the reduction of bit rate and PSNR improvement for QCIF-CIF Akiyo sequences are 3.74% and 1.15dB without considering the bit cost of filter operation.","ja":"In this paper, a method based on the two dimensional Wiener filter is proposed in addition to inter-layer intra prediction in H.264/SVC. The performance of inter-layer intra prediction is limited due to the up-sampling operation and the coding noise of base layer. The Wiener filter can be used as an optimizing filter to enhance the prediction of enhancement. However, prediction errors of some pixels are increased by this filter operation. The proposed method applies the filter for each block of different size adaptively. Experimental results show that the reduction of bit rate and PSNR improvement for QCIF-CIF Akiyo sequences are 3.74% and 1.15dB without considering the bit cost of filter operation."},"is_international_presentation":true},"priority":"input_data"}
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