TWI268714B - Method and system for dynamic selection of transform size in a video decoder based on signal content - Google Patents
Method and system for dynamic selection of transform size in a video decoder based on signal contentInfo
- Publication number
- TWI268714B TWI268714B TW094114677A TW94114677A TWI268714B TW I268714 B TWI268714 B TW I268714B TW 094114677 A TW094114677 A TW 094114677A TW 94114677 A TW94114677 A TW 94114677A TW I268714 B TWI268714 B TW I268714B
- Authority
- TW
- Taiwan
- Prior art keywords
- transform size
- video decoder
- dynamic selection
- transform
- signal content
- Prior art date
Links
Classifications
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56892604P | 2004-05-07 | 2004-05-07 | |
US11/107,138 US7894530B2 (en) | 2004-05-07 | 2005-04-15 | Method and system for dynamic selection of transform size in a video decoder based on signal content |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200607357A TW200607357A (en) | 2006-02-16 |
TWI268714B true TWI268714B (en) | 2006-12-11 |
Family
ID=34935785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094114677A TWI268714B (en) | 2004-05-07 | 2005-05-06 | Method and system for dynamic selection of transform size in a video decoder based on signal content |
Country Status (3)
Country | Link |
---|---|
US (1) | US7894530B2 (zh) |
EP (1) | EP1594320A1 (zh) |
TW (1) | TWI268714B (zh) |
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US7590059B2 (en) * | 2004-05-21 | 2009-09-15 | Broadcom Corp. | Multistandard video decoder |
US8422555B2 (en) * | 2006-07-11 | 2013-04-16 | Nokia Corporation | Scalable video coding |
US9094686B2 (en) * | 2006-09-06 | 2015-07-28 | Broadcom Corporation | Systems and methods for faster throughput for compressed video data decoding |
KR101365570B1 (ko) * | 2007-01-18 | 2014-02-21 | 삼성전자주식회사 | 인트라 예측 부호화, 복호화 방법 및 장치 |
US9100038B2 (en) * | 2007-06-29 | 2015-08-04 | Orange | Decoding function selection distributed to the decoder |
US8456380B2 (en) * | 2008-05-15 | 2013-06-04 | International Business Machines Corporation | Processing computer graphics generated by a remote computer for streaming to a client computer |
US8503527B2 (en) | 2008-10-03 | 2013-08-06 | Qualcomm Incorporated | Video coding with large macroblocks |
TWI451764B (zh) | 2009-04-02 | 2014-09-01 | Novatek Microelectronics Corp | 畫框內預測模式的選擇裝置及方法 |
GB2469679B (en) * | 2009-04-23 | 2012-05-02 | Imagination Tech Ltd | Object tracking using momentum and acceleration vectors in a motion estimation system |
US9391635B2 (en) * | 2009-05-15 | 2016-07-12 | Texas Instruments Incorporated | Block scanner and run-level encoder from AC to DC values |
JP5927117B2 (ja) * | 2009-07-23 | 2016-05-25 | トムソン ライセンシングThomson Licensing | ビデオ符号化及び復号化のための適応的変換選択のための方法及び装置 |
US9819952B2 (en) * | 2009-10-05 | 2017-11-14 | Thomson Licensing Dtv | Methods and apparatus for embedded quantization parameter adjustment in video encoding and decoding |
JP5556996B2 (ja) * | 2010-01-06 | 2014-07-23 | ソニー株式会社 | 画像処理装置および方法 |
US8995527B2 (en) * | 2010-02-19 | 2015-03-31 | Qualcomm Incorporated | Block type signalling in video coding |
SG184528A1 (en) * | 2010-04-09 | 2012-11-29 | Mitsubishi Electric Corp | Moving image encoding device and moving image decoding device |
US8638863B1 (en) | 2010-05-18 | 2014-01-28 | Google Inc. | Apparatus and method for filtering video using extended edge-detection |
US9172968B2 (en) * | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
GB2486692B (en) * | 2010-12-22 | 2014-04-16 | Canon Kk | Method for encoding a video sequence and associated encoding device |
US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
EP2663075B1 (en) * | 2011-01-06 | 2020-05-06 | Samsung Electronics Co., Ltd | Encoding method and device of video using data unit of hierarchical structure, and decoding method and device thereof |
US9210442B2 (en) | 2011-01-12 | 2015-12-08 | Google Technology Holdings LLC | Efficient transform unit representation |
ES2900775T3 (es) * | 2011-01-13 | 2022-03-18 | Nec Corp | Dispositivo de descodificación de vídeo, método de descodificación de vídeo y programa |
US9380319B2 (en) | 2011-02-04 | 2016-06-28 | Google Technology Holdings LLC | Implicit transform unit representation |
KR20130050149A (ko) * | 2011-11-07 | 2013-05-15 | 오수미 | 인터 모드에서의 예측 블록 생성 방법 |
US9219915B1 (en) | 2013-01-17 | 2015-12-22 | Google Inc. | Selection of transform size in video coding |
US9544597B1 (en) | 2013-02-11 | 2017-01-10 | Google Inc. | Hybrid transform in video encoding and decoding |
US9967559B1 (en) | 2013-02-11 | 2018-05-08 | Google Llc | Motion vector dependent spatial transformation in video coding |
US9674530B1 (en) | 2013-04-30 | 2017-06-06 | Google Inc. | Hybrid transforms in video coding |
US20140376611A1 (en) * | 2013-06-21 | 2014-12-25 | Qualcomm Incorporated | Adaptive color transforms for video coding |
US9602826B2 (en) | 2014-06-27 | 2017-03-21 | Massachusetts Institute Of Technology | Managing transforms for compressing and decompressing visual data |
US20160029022A1 (en) * | 2014-07-25 | 2016-01-28 | Mediatek Inc. | Video processing apparatus with adaptive coding unit splitting/merging and related video processing method |
US9565451B1 (en) | 2014-10-31 | 2017-02-07 | Google Inc. | Prediction dependent transform coding |
US9769499B2 (en) | 2015-08-11 | 2017-09-19 | Google Inc. | Super-transform video coding |
US10277905B2 (en) | 2015-09-14 | 2019-04-30 | Google Llc | Transform selection for non-baseband signal coding |
US9807423B1 (en) | 2015-11-24 | 2017-10-31 | Google Inc. | Hybrid transform scheme for video coding |
MX2021002557A (es) | 2018-09-07 | 2021-04-29 | Panasonic Ip Corp America | Sistema y metodo para codificacion de video. |
US11122297B2 (en) | 2019-05-03 | 2021-09-14 | Google Llc | Using border-aligned block functions for image compression |
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US5054103A (en) * | 1987-09-24 | 1991-10-01 | Matsushita Electric Works, Ltd. | Picture encoding system |
USRE37858E1 (en) * | 1991-04-12 | 2002-09-24 | Mitsubishi Denki Kabushiki Kaisha | Motion compensation predicting encoding method and apparatus |
EP1137280B1 (en) * | 1992-01-29 | 2003-04-02 | Mitsubishi Denki Kabushiki Kaisha | Video information recording/reproducing apparatus and method |
KR100283343B1 (ko) * | 1992-06-25 | 2001-03-02 | 이데이 노부유끼 | 화상신호 부호화방법 및 복호화방법과 화상신호 부호화장치 및 복호화장치 |
JP3115199B2 (ja) * | 1994-12-16 | 2000-12-04 | 松下電器産業株式会社 | 画像圧縮符号化装置 |
JP3169783B2 (ja) * | 1995-02-15 | 2001-05-28 | 日本電気株式会社 | 動画像の符号化・復号システム |
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JP4286322B2 (ja) * | 1996-07-11 | 2009-06-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 符号化されたビデオ画像の送信及び受信 |
AUPO951497A0 (en) * | 1997-09-29 | 1997-10-23 | Canon Information Systems Research Australia Pty Ltd | A method for data compression |
US6160848A (en) * | 1998-01-22 | 2000-12-12 | International Business Machines Corp. | Conditional replenishment device for a video encoder |
US6347157B2 (en) * | 1998-07-24 | 2002-02-12 | Picsurf, Inc. | System and method for encoding a video sequence using spatial and temporal transforms |
US6370197B1 (en) * | 1999-07-23 | 2002-04-09 | Memorylink Corporation | Video compression scheme using wavelets |
FI116819B (fi) * | 2000-01-21 | 2006-02-28 | Nokia Corp | Menetelmä kuvien lähettämiseksi ja kuvakooderi |
US7203373B2 (en) * | 2001-10-30 | 2007-04-10 | Texas Instruments Incorporated | Image and video coding with redundant run-length-level-last codewords removed |
CN101448162B (zh) * | 2001-12-17 | 2013-01-02 | 微软公司 | 处理视频图像的方法 |
US7277587B2 (en) * | 2002-04-26 | 2007-10-02 | Sharp Laboratories Of America, Inc. | System and method for lossless video coding |
JP3679083B2 (ja) | 2002-10-08 | 2005-08-03 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、画像符号化プログラム、画像復号プログラム |
-
2005
- 2005-04-15 US US11/107,138 patent/US7894530B2/en active Active
- 2005-04-26 EP EP05009165A patent/EP1594320A1/en not_active Withdrawn
- 2005-05-06 TW TW094114677A patent/TWI268714B/zh active
Also Published As
Publication number | Publication date |
---|---|
US20050249290A1 (en) | 2005-11-10 |
TW200607357A (en) | 2006-02-16 |
EP1594320A1 (en) | 2005-11-09 |
US7894530B2 (en) | 2011-02-22 |
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