Title:
動画像予測符号化装置、動画像予測符号化方法、動画像予測復号装置及び動画像予測復号方法
Document Type and Number:
Japanese Patent JP5798539
Kind Code:
B2
Abstract:
A decoding device includes decoding means for decoding information of a direction of intra-picture prediction of a target block and compression data of a residual signal, prediction signal generation means for generating an intra-picture prediction signal using the information of the direction and an previously reconstructed reference sample of an adjacent block, residual signal restoration means for restoring a reconstructed residual signal of the target block, and block storage means for restoring and storing a pixel signal of the target block. The prediction signal generation means derives reference samples from an previously reconstructed block neighbouring the target block stored, selects two or more key reference samples, performs an interpolation process between the key reference samples for generating interpolated reference samples, and generates the intra-picture prediction signal by extrapolating the interpolated reference samples based on the direction of the intra-picture prediction.
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Inventors:
Yoshinori Suzuki
Bun Chun Sen
Tan Tio Ken
Bun Chun Sen
Tan Tio Ken
Application Number:
JP2012209626A
Publication Date:
October 21, 2015
Filing Date:
September 24, 2012
Export Citation:
Assignee:
Ntt docomo, Inc.
International Classes:
H04N19/593; H04N19/11; H04N19/117; H04N19/136; H04N19/182
Domestic Patent References:
| JP2011166592A |
Foreign References:
| WO2012096150A1 | ||||
| WO2012077719A1 | ||||
| WO2012023762A2 | ||||
| WO2012018198A2 |
Other References:
Keiichi Chono et al.,Constrained intra prediction for reducing visual artifacts caused by lossy decoder-side memory compr,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,4th Meeting: Daegu, KR,2011年 1月,JCTVC-D086,pp.1-8
Viktor Wahadaniah et al.,Constrained Intra Prediction Scheme for Flexible-Sized Prediction Units in HEVC,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,4th Meeting: Daegu, KR,2011年 1月,JCTVC-D094_r1,pp.1-8
Madhukar Budagavi,Improved AIS filter,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,4th Meeting: Daegu, KR,2011年 1月,JCTVC-D171_r1,pp.1-3
Jie Zhao and Andrew Segall,On Intra Coding and MDIS,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,5th Meeting: Geneva, CH,2011年 3月,JCTVC-E437,pp.1-4
TK Tan and Y. Suzuki,Contouring artefact and solution,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,11th Meeting: Shanghai, CN,2011年10月,JCTVC-K0139,PP.1-8
Viktor Wahadaniah et al.,Constrained Intra Prediction Scheme for Flexible-Sized Prediction Units in HEVC,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,4th Meeting: Daegu, KR,2011年 1月,JCTVC-D094_r1,pp.1-8
Madhukar Budagavi,Improved AIS filter,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,4th Meeting: Daegu, KR,2011年 1月,JCTVC-D171_r1,pp.1-3
Jie Zhao and Andrew Segall,On Intra Coding and MDIS,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11,5th Meeting: Geneva, CH,2011年 3月,JCTVC-E437,pp.1-4
TK Tan and Y. Suzuki,Contouring artefact and solution,Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,11th Meeting: Shanghai, CN,2011年10月,JCTVC-K0139,PP.1-8
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Okiyama
Kenji Fukaishi
Yoshiki Kuroki
Takashi Okiyama
Kenji Fukaishi