WO2009157665A3 - 블록 변환을 이용한 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 - Google Patents
블록 변환을 이용한 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 Download PDFInfo
- Publication number
- WO2009157665A3 WO2009157665A3 PCT/KR2009/003220 KR2009003220W WO2009157665A3 WO 2009157665 A3 WO2009157665 A3 WO 2009157665A3 KR 2009003220 W KR2009003220 W KR 2009003220W WO 2009157665 A3 WO2009157665 A3 WO 2009157665A3
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- WO
- WIPO (PCT)
- Prior art keywords
- image encoding
- image
- pixel
- same
- intra prediction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/000,977 US9426491B2 (en) | 2008-06-23 | 2009-06-16 | Image encoding/decoding method and apparatus using block transformation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0058779 | 2008-06-23 | ||
KR1020080058779A KR101379187B1 (ko) | 2008-06-23 | 2008-06-23 | 블록 변환을 이용한 인트라 예측 방법 및 장치와 그를이용한 영상 부호화/복호화 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009157665A2 WO2009157665A2 (ko) | 2009-12-30 |
WO2009157665A3 true WO2009157665A3 (ko) | 2010-03-25 |
Family
ID=41445078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/003220 WO2009157665A2 (ko) | 2008-06-23 | 2009-06-16 | 블록 변환을 이용한 인트라 예측 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9426491B2 (ko) |
KR (1) | KR101379187B1 (ko) |
WO (1) | WO2009157665A2 (ko) |
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JP5686499B2 (ja) * | 2009-01-22 | 2015-03-18 | 株式会社Nttドコモ | 画像予測符号化装置、方法及びプログラム、画像予測復号装置、方法及びプログラム、並びに、符号化・復号システム及び方法 |
CN102215392B (zh) * | 2010-04-09 | 2013-10-09 | 华为技术有限公司 | 用于估计像素值的帧内预测方法或装置 |
JP5544996B2 (ja) * | 2010-04-09 | 2014-07-09 | ソニー株式会社 | 画像処理装置および方法 |
WO2012144876A2 (ko) | 2011-04-21 | 2012-10-26 | 한양대학교 산학협력단 | 인루프 필터링을 적용한 예측 방법을 이용한 영상 부호화/복호화 방법 및 장치 |
KR20120140181A (ko) | 2011-06-20 | 2012-12-28 | 한국전자통신연구원 | 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치 |
CA3208227A1 (en) * | 2011-06-24 | 2012-12-27 | Mitsubishi Electric Corporation | Intra prediction of a processing block using a predicted value which is proportional to the amount of change in the horizontal direction of the signal value of a pixel adjacent to the left of the processing block |
KR101943049B1 (ko) * | 2011-06-30 | 2019-01-29 | 에스케이텔레콤 주식회사 | 영상 부호화/복호화 방법 및 장치 |
KR101348544B1 (ko) * | 2011-08-17 | 2014-01-10 | 주식회사 케이티 | 단거리 화면 내 예측 모드에서 화면 내 예측 방법 및 이러한 방법을 사용하는 장치 |
US9787982B2 (en) | 2011-09-12 | 2017-10-10 | Qualcomm Incorporated | Non-square transform units and prediction units in video coding |
CN105338346B (zh) * | 2011-10-24 | 2018-11-13 | 英孚布瑞智有限私人贸易公司 | 用于图像解码的方法和装置 |
US9681128B1 (en) * | 2013-01-31 | 2017-06-13 | Google Inc. | Adaptive pre-transform scanning patterns for video and image compression |
US9247251B1 (en) * | 2013-07-26 | 2016-01-26 | Google Inc. | Right-edge extension for quad-tree intra-prediction |
CN105872539B (zh) * | 2015-02-08 | 2020-01-14 | 同济大学 | 图像编码方法和装置及图像解码方法和装置 |
WO2016136106A1 (ja) * | 2015-02-27 | 2016-09-01 | Kddi株式会社 | 符号化装置及び復号装置 |
EP3276958A4 (en) * | 2015-03-23 | 2018-08-29 | LG Electronics Inc. | Method for processing image on basis of intra prediction mode and apparatus therefor |
KR101943058B1 (ko) * | 2016-06-23 | 2019-01-29 | 에스케이텔레콤 주식회사(Sk Telecom Co., Ltd.) | 영상 부호화/복호화 방법 및 장치 |
CN109479144A (zh) * | 2016-10-13 | 2019-03-15 | 富士通株式会社 | 图像编码/解码方法、装置以及图像处理设备 |
JP2019041165A (ja) * | 2017-08-23 | 2019-03-14 | 富士通株式会社 | 画像符号化装置、画像復号装置、画像処理方法、及び画像処理プログラム |
GB2567427B (en) | 2017-10-06 | 2020-10-07 | Imagination Tech Ltd | Data compression |
WO2020009460A1 (ko) * | 2018-07-04 | 2020-01-09 | 에스케이텔레콤 주식회사 | 잔차신호 재배열 방법 및 영상 복호화 장치 |
KR101997604B1 (ko) * | 2019-01-22 | 2019-07-08 | 에스케이 텔레콤주식회사 | 영상 부호화/복호화 방법 및 장치 |
CN115088192A (zh) * | 2019-11-30 | 2022-09-20 | 字节跳动有限公司 | 视频数据的基于字典的编解码 |
Citations (3)
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US5751362A (en) * | 1995-04-29 | 1998-05-12 | Daewoo Electronics, Co., Ltd. | Apparatus for encoding a video signal using feature point based motion estimation |
US5805736A (en) * | 1996-06-12 | 1998-09-08 | Daewoo Electronics, Co., Ltd. | Method and apparatus for encoding a contour of an object in a video signal by using a contour motion estimation technique |
US20070268968A1 (en) * | 2006-04-17 | 2007-11-22 | Victor Company Of Japan, Ltd. | Moving-picture coding apparatus, method and program, and moving-picture decoding apparatus, method and program |
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JP4724351B2 (ja) * | 2002-07-15 | 2011-07-13 | 三菱電機株式会社 | 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法、および通信装置 |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
KR100813958B1 (ko) * | 2004-06-07 | 2008-03-14 | 세종대학교산학협력단 | 동영상의 무손실 인코딩 및 디코딩 방법, 그 장치 |
JP2006203724A (ja) * | 2005-01-24 | 2006-08-03 | Toshiba Corp | 画像圧縮装置及び画像圧縮方法 |
JP2006254230A (ja) * | 2005-03-11 | 2006-09-21 | Toshiba Corp | 情報処理装置およびプログラム |
JP5089878B2 (ja) * | 2005-10-28 | 2012-12-05 | パナソニック株式会社 | 画像符号化装置 |
JP2007150913A (ja) * | 2005-11-29 | 2007-06-14 | Matsushita Electric Ind Co Ltd | 画像符号化装置 |
AU2006320064B2 (en) * | 2005-11-30 | 2010-09-09 | Kabushiki Kaisha Toshiba | Image encoding/image decoding method and image encoding/image decoding apparatus |
KR100867995B1 (ko) * | 2006-01-07 | 2008-11-10 | 한국전자통신연구원 | 동영상 데이터 인코딩/디코딩 방법 및 그 장치 |
KR101365570B1 (ko) * | 2007-01-18 | 2014-02-21 | 삼성전자주식회사 | 인트라 예측 부호화, 복호화 방법 및 장치 |
WO2008102805A1 (ja) * | 2007-02-23 | 2008-08-28 | Nippon Telegraph And Telephone Corporation | 映像符号化方法及び復号方法、それらの装置、それらのプログラム並びにプログラムを記録した記録媒体 |
-
2008
- 2008-06-23 KR KR1020080058779A patent/KR101379187B1/ko active IP Right Grant
-
2009
- 2009-06-16 US US13/000,977 patent/US9426491B2/en active Active
- 2009-06-16 WO PCT/KR2009/003220 patent/WO2009157665A2/ko active Application Filing
Patent Citations (3)
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US5751362A (en) * | 1995-04-29 | 1998-05-12 | Daewoo Electronics, Co., Ltd. | Apparatus for encoding a video signal using feature point based motion estimation |
US5805736A (en) * | 1996-06-12 | 1998-09-08 | Daewoo Electronics, Co., Ltd. | Method and apparatus for encoding a contour of an object in a video signal by using a contour motion estimation technique |
US20070268968A1 (en) * | 2006-04-17 | 2007-11-22 | Victor Company Of Japan, Ltd. | Moving-picture coding apparatus, method and program, and moving-picture decoding apparatus, method and program |
Also Published As
Publication number | Publication date |
---|---|
WO2009157665A2 (ko) | 2009-12-30 |
KR20090132680A (ko) | 2009-12-31 |
US20110176607A1 (en) | 2011-07-21 |
KR101379187B1 (ko) | 2014-04-15 |
US9426491B2 (en) | 2016-08-23 |
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