CN101924945B - 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器 - Google Patents
具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器 Download PDFInfo
- Publication number
- CN101924945B CN101924945B CN2010102239377A CN201010223937A CN101924945B CN 101924945 B CN101924945 B CN 101924945B CN 2010102239377 A CN2010102239377 A CN 2010102239377A CN 201010223937 A CN201010223937 A CN 201010223937A CN 101924945 B CN101924945 B CN 101924945B
- Authority
- CN
- China
- Prior art keywords
- compression ratio
- reference frame
- compression
- data
- video decoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007906 compression Methods 0.000 title claims abstract description 161
- 230000006835 compression Effects 0.000 title claims abstract description 160
- 239000000872 buffer Substances 0.000 title abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 51
- 239000013598 vector Substances 0.000 claims abstract description 48
- 230000015654 memory Effects 0.000 claims description 57
- 238000013139 quantization Methods 0.000 claims description 5
- 230000005055 memory storage Effects 0.000 description 26
- 238000013144 data compression Methods 0.000 description 8
- 230000006837 decompression Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 230000005039 memory span Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000012536 storage buffer Substances 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/43—Hardware specially adapted for motion estimation or compensation
- H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- 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
- H04N19/187—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 a scalable video layer
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
- H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
- H04N19/428—Recompression, e.g. by spatial or temporal decimation
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04100926.7 | 2004-03-08 | ||
EP04100926 | 2004-03-08 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800073393A Division CN101208954B (zh) | 2004-03-08 | 2005-02-23 | 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器以及视频解码方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101924945A CN101924945A (zh) | 2010-12-22 |
CN101924945B true CN101924945B (zh) | 2012-07-18 |
Family
ID=34976318
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010102239377A Expired - Fee Related CN101924945B (zh) | 2004-03-08 | 2005-02-23 | 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器 |
CN2005800073393A Expired - Fee Related CN101208954B (zh) | 2004-03-08 | 2005-02-23 | 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器以及视频解码方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800073393A Expired - Fee Related CN101208954B (zh) | 2004-03-08 | 2005-02-23 | 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器以及视频解码方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070195882A1 (zh) |
EP (1) | EP1728393A2 (zh) |
JP (1) | JP4778953B2 (zh) |
CN (2) | CN101924945B (zh) |
WO (1) | WO2005088983A2 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1883245A4 (en) * | 2005-05-16 | 2010-05-26 | Pioneer Corp | RATE CONVERTER |
JP4384130B2 (ja) | 2006-03-28 | 2009-12-16 | 株式会社東芝 | 動画像復号方法及び装置 |
JP4734168B2 (ja) | 2006-05-09 | 2011-07-27 | 株式会社東芝 | 画像復号化装置及び画像復号化方法 |
US8204106B2 (en) * | 2007-11-14 | 2012-06-19 | Ati Technologies, Ulc | Adaptive compression of video reference frames |
US20100098166A1 (en) * | 2008-10-17 | 2010-04-22 | Texas Instruments Incorporated | Video coding with compressed reference frames |
CN101389029B (zh) * | 2008-10-21 | 2012-01-11 | 北京中星微电子有限公司 | 一种视频图像编码和检索的方法及装置 |
WO2012008616A1 (en) * | 2010-07-16 | 2012-01-19 | Sharp Kabushiki Kaisha | Video decoder for low resolution power reduction using low resolution data |
US8767828B2 (en) | 2010-07-16 | 2014-07-01 | Sharp Laboratories Of America, Inc. | System for low resolution power reduction with compressed image |
EP2594074A4 (en) * | 2010-07-16 | 2014-08-06 | Sharp Kk | VIDEO DECODER FOR LOW RESOLUTION POWER REDUCTION USING LOW RESOLUTION DATA |
US9313523B2 (en) | 2010-07-16 | 2016-04-12 | Sharp Laboratories Of America, Inc. | System for low resolution power reduction using deblocking |
US8548062B2 (en) | 2010-07-16 | 2013-10-01 | Sharp Laboratories Of America, Inc. | System for low resolution power reduction with deblocking flag |
JP5496047B2 (ja) | 2010-10-07 | 2014-05-21 | パナソニック株式会社 | 画像再生方法、画像再生装置、画像再生プログラム、撮像システム、および再生システム |
US10218988B2 (en) | 2011-02-23 | 2019-02-26 | Nvidia Corporation | Method and system for interpolating base and delta values of associated tiles in an image |
CA2840349C (en) | 2011-06-30 | 2017-07-04 | Telefonaktiebolaget L M Ericsson (Publ) | Reference picture signaling |
CN102883158B (zh) * | 2011-07-14 | 2015-09-09 | 华为技术有限公司 | 一种参考帧压缩存储和解压方法及装置 |
US9648321B2 (en) | 2011-12-02 | 2017-05-09 | Qualcomm Incorporated | Coding picture order count values identifying long-term reference frames |
US20130243100A1 (en) * | 2012-03-15 | 2013-09-19 | Mediatek Inc. | System and Method for Adaptive Frame Re-compression in Video Processing System |
JP2014123841A (ja) * | 2012-12-20 | 2014-07-03 | Jvc Kenwood Corp | 画像符号化装置および画像符号化方法 |
CN103986937A (zh) * | 2014-05-28 | 2014-08-13 | 东南大学 | 一种用于高分辨率视频的h.264帧间编码存储管理方法 |
US10798396B2 (en) | 2015-12-08 | 2020-10-06 | Samsung Display Co., Ltd. | System and method for temporal differencing with variable complexity |
CN106162192A (zh) * | 2016-07-06 | 2016-11-23 | 华为技术有限公司 | 处理视频数据的方法和装置 |
US10972738B2 (en) * | 2018-03-29 | 2021-04-06 | Mediatek Inc. | Video encoding apparatus having reconstruction buffer with fixed size and/or bandwidth limitation and associated video encoding method |
US11290983B2 (en) | 2018-04-05 | 2022-03-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-stage sidelink control information |
US11729395B2 (en) * | 2021-11-26 | 2023-08-15 | Huawei Technologies Co., Ltd. | Methods and devices for extracting motion vector data from compressed video data |
CN116600129B (zh) * | 2023-07-17 | 2023-10-20 | 芯动微电子科技(珠海)有限公司 | 一种优化视频解码带宽的方法、系统及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835147A (en) * | 1995-11-19 | 1998-11-10 | State Of Israel/Ministry Of Defense Armament Development Authority-Rafael | Method for compression and decompression of a video signal |
EP1047271A2 (en) * | 1999-04-19 | 2000-10-25 | Sharp Kabushiki Kaisha | Compression and decompression of reference frames in a video decoder |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5315388A (en) * | 1991-11-19 | 1994-05-24 | General Instrument Corporation | Multiple serial access memory for use in feedback systems such as motion compensated television |
US5623311A (en) * | 1994-10-28 | 1997-04-22 | Matsushita Electric Corporation Of America | MPEG video decoder having a high bandwidth memory |
EP0778709B1 (en) * | 1995-12-04 | 2001-05-23 | STMicroelectronics S.r.l. | MPEG-2 decoding with a reduced RAM requisite by ADPCM recompression before storing MPEG decompressed data |
US5777677A (en) * | 1996-02-09 | 1998-07-07 | International Business Machines Corporation | Approximate MPEG decoder with compressed reference frames |
JP3575508B2 (ja) * | 1996-03-04 | 2004-10-13 | Kddi株式会社 | 符号化動画像再生装置 |
JP3870439B2 (ja) * | 1996-03-22 | 2007-01-17 | 三菱電機株式会社 | 動き補償予測復号装置 |
US6088391A (en) * | 1996-05-28 | 2000-07-11 | Lsi Logic Corporation | Method and apparatus for segmenting memory to reduce the memory required for bidirectionally predictive-coded frames |
JP3918263B2 (ja) * | 1997-01-27 | 2007-05-23 | ソニー株式会社 | 圧縮符号化装置および符号化方法 |
US6198773B1 (en) * | 1997-12-18 | 2001-03-06 | Zoran Corporation | Video memory management for MPEG video decode and display system |
JP2000165861A (ja) * | 1998-11-26 | 2000-06-16 | Oki Electric Ind Co Ltd | 動画像復号装置 |
KR100680452B1 (ko) * | 2000-02-22 | 2007-02-08 | 주식회사 팬택앤큐리텔 | 움직임 벡터 메모리의 갱신방법 및 장치 |
WO2001069939A1 (en) * | 2000-03-13 | 2001-09-20 | Koninklijke Philips Electronics N.V. | Storage of compressed data items |
US6819715B2 (en) * | 2000-07-25 | 2004-11-16 | Matsushita Electric Industrial Co., Ltd. | Image decoding method, image decoding apparatus, and data storage medium |
JP3861607B2 (ja) * | 2001-02-22 | 2006-12-20 | セイコーエプソン株式会社 | 画像信号復号装置 |
EP1442599A1 (en) * | 2001-10-29 | 2004-08-04 | Koninklijke Philips Electronics N.V. | Compression |
JP4209631B2 (ja) * | 2002-05-23 | 2009-01-14 | パナソニック株式会社 | 符号化装置、復号化装置、及び、圧縮伸長システム |
US7403563B2 (en) * | 2002-06-07 | 2008-07-22 | Sanyo Electric Co., Ltd. | Image decoding method and apparatus, and television receiver utilizing the same |
-
2005
- 2005-02-23 CN CN2010102239377A patent/CN101924945B/zh not_active Expired - Fee Related
- 2005-02-23 US US10/592,187 patent/US20070195882A1/en not_active Abandoned
- 2005-02-23 WO PCT/IB2005/050650 patent/WO2005088983A2/en not_active Application Discontinuation
- 2005-02-23 JP JP2007502447A patent/JP4778953B2/ja not_active Expired - Fee Related
- 2005-02-23 CN CN2005800073393A patent/CN101208954B/zh not_active Expired - Fee Related
- 2005-02-23 EP EP05708814A patent/EP1728393A2/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5835147A (en) * | 1995-11-19 | 1998-11-10 | State Of Israel/Ministry Of Defense Armament Development Authority-Rafael | Method for compression and decompression of a video signal |
EP1047271A2 (en) * | 1999-04-19 | 2000-10-25 | Sharp Kabushiki Kaisha | Compression and decompression of reference frames in a video decoder |
Non-Patent Citations (2)
Title |
---|
JP特開2002-247583A 2002.08.30 |
JP特開平10-155123A 1998.06.09 |
Also Published As
Publication number | Publication date |
---|---|
CN101208954B (zh) | 2010-09-08 |
US20070195882A1 (en) | 2007-08-23 |
WO2005088983A2 (en) | 2005-09-22 |
WO2005088983A3 (en) | 2007-08-16 |
CN101208954A (zh) | 2008-06-25 |
EP1728393A2 (en) | 2006-12-06 |
CN101924945A (zh) | 2010-12-22 |
JP2007529178A (ja) | 2007-10-18 |
JP4778953B2 (ja) | 2011-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101924945B (zh) | 具有可变压缩比和用于存储及检索参考帧数据的缓冲器的视频解码器 | |
US10681363B2 (en) | Lossless compression method and system applied to hardware video decoding | |
JP3966524B2 (ja) | 改善された効率のためにスキュードタイル記憶フォーマットを用いる動き補償を行うシステム及び方法 | |
US5912676A (en) | MPEG decoder frame memory interface which is reconfigurable for different frame store architectures | |
CN102547283B (zh) | 动态视频数据压缩的设备和方法 | |
CN1937773B (zh) | 外部存储装置、存储图像数据的方法及图像处理器 | |
CN1922884B (zh) | 视频解码方法 | |
US20070047655A1 (en) | Transpose buffering for video processing | |
US9894371B2 (en) | Video decoder memory bandwidth compression | |
KR101147744B1 (ko) | 비디오 트랜스 코딩 방법 및 장치와 이를 이용한 pvr | |
US20060133512A1 (en) | Video decoder and associated methods of operation | |
KR20140056281A (ko) | 계수 압축을 사용하여 디코딩을 하기 위한 장치 및 방법 | |
CN101960858A (zh) | 运动图像编码装置、摄像装置以及运动图像编码方法 | |
US8666160B2 (en) | Method and apparatus for DRAM 2D video word formatting | |
EP1940175A1 (en) | Image encoding apparatus and memory access method | |
KR20010087647A (ko) | 동영상 수신 장치 | |
US8443413B2 (en) | Low-latency multichannel video port aggregator | |
US9137541B2 (en) | Video data cache | |
US20080310515A1 (en) | MPEG-2 2-Slice Coding for Simple Implementation of H.264 MBAFF Transcoder | |
US20080056381A1 (en) | Image compression and decompression with fast storage device accessing | |
US7330595B2 (en) | System and method for video data compression | |
Wu et al. | A low-cost slice interleaving DSC decoder architecture for real-time 8K video decoding | |
Nguyen et al. | 71% Reducing the memory bandwidth requirement for a multi-standard video codec by lossless compression of video using a combination of 2D-DPCM and Variable Length Coding | |
US20100328332A1 (en) | System and method for reducing memory access bandwidth in video decoding |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ENTROPY COMMUNICATION CO., LTD. Free format text: FORMER OWNER: TRIDENT MICROSYSTEMS (FAR EAST) LTD. Effective date: 20130216 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130216 Address after: American California Patentee after: Entropic Communications, Inc. Address before: Grand Cayman, Cayman Islands Patentee before: Trident Microsystems (Far East) Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20170223 |