CN1695382A - 用于图像编码转换的方法和设备 - Google Patents
用于图像编码转换的方法和设备 Download PDFInfo
- Publication number
- CN1695382A CN1695382A CNA02829842XA CN02829842A CN1695382A CN 1695382 A CN1695382 A CN 1695382A CN A02829842X A CNA02829842X A CN A02829842XA CN 02829842 A CN02829842 A CN 02829842A CN 1695382 A CN1695382 A CN 1695382A
- Authority
- CN
- China
- Prior art keywords
- image
- mpeg
- jpeg
- coefficient
- coding
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 178
- 238000013139 quantization Methods 0.000 claims abstract description 127
- 239000011159 matrix material Substances 0.000 claims abstract description 58
- 238000011002 quantification Methods 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 44
- 238000009795 derivation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
-
- 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
- H04N19/124—Quantisation
-
- 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
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- 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 (24)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2002/004577 WO2004040914A1 (en) | 2002-11-01 | 2002-11-01 | A method and device for transcoding images |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1695382A true CN1695382A (zh) | 2005-11-09 |
CN100385956C CN100385956C (zh) | 2008-04-30 |
Family
ID=32259851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02829842XA Expired - Fee Related CN100385956C (zh) | 2002-11-01 | 2002-11-01 | 用于图像编码转换的方法和设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060050784A1 (zh) |
EP (1) | EP1559275A1 (zh) |
CN (1) | CN100385956C (zh) |
AU (1) | AU2002347419A1 (zh) |
WO (1) | WO2004040914A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009056006A1 (en) * | 2007-10-30 | 2009-05-07 | The Chinese University Of Hong Kong | Processes and apparatus for deriving order-16 integer transforms |
CN101098479B (zh) * | 2006-06-23 | 2010-08-11 | 美国博通公司 | 处理视频数据的方法及设备 |
US8175165B2 (en) | 2008-04-15 | 2012-05-08 | The Chinese University Of Hong Kong | Methods and apparatus for deriving an order-16 integer transform |
US8483281B2 (en) | 2008-04-15 | 2013-07-09 | The Chinese University Of Hong Kong | Generation of an order-2N transform from an order-N transform |
CN104584559A (zh) * | 2012-07-02 | 2015-04-29 | 微软公司 | 用于色度qp值的扩展的范围 |
US9781421B2 (en) | 2012-07-02 | 2017-10-03 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
CN107920247A (zh) * | 2016-10-07 | 2018-04-17 | 财团法人工业技术研究院 | 选择画面内预测模式的方法、视频编码装置及处理设备 |
WO2018196502A1 (zh) * | 2017-04-27 | 2018-11-01 | 腾讯科技(深圳)有限公司 | 图片转码方法和装置 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7606305B1 (en) * | 2003-02-24 | 2009-10-20 | Vixs Systems, Inc. | Method and system for transcoding video data |
US7327784B2 (en) * | 2003-02-24 | 2008-02-05 | Vixs Systems, Inc. | Method and system for transcoding video data |
US7567565B2 (en) | 2005-02-01 | 2009-07-28 | Time Warner Cable Inc. | Method and apparatus for network bandwidth conservation |
US8170065B2 (en) | 2006-02-27 | 2012-05-01 | Time Warner Cable Inc. | Methods and apparatus for selecting digital access technology for programming and data delivery |
US8458753B2 (en) | 2006-02-27 | 2013-06-04 | Time Warner Cable Enterprises Llc | Methods and apparatus for device capabilities discovery and utilization within a content-based network |
US8718100B2 (en) | 2006-02-27 | 2014-05-06 | Time Warner Cable Enterprises Llc | Methods and apparatus for selecting digital interface technology for programming and data delivery |
US20080235746A1 (en) | 2007-03-20 | 2008-09-25 | Michael James Peters | Methods and apparatus for content delivery and replacement in a network |
US9071859B2 (en) | 2007-09-26 | 2015-06-30 | Time Warner Cable Enterprises Llc | Methods and apparatus for user-based targeted content delivery |
US8561116B2 (en) | 2007-09-26 | 2013-10-15 | Charles A. Hasek | Methods and apparatus for content caching in a video network |
US8099757B2 (en) | 2007-10-15 | 2012-01-17 | Time Warner Cable Inc. | Methods and apparatus for revenue-optimized delivery of content in a network |
US8813143B2 (en) | 2008-02-26 | 2014-08-19 | Time Warner Enterprises LLC | Methods and apparatus for business-based network resource allocation |
US9525851B2 (en) * | 2008-07-25 | 2016-12-20 | Time Warner Cable Enterprises Llc | System and method for sharing digital images over a content-based network |
US8265152B2 (en) * | 2008-10-10 | 2012-09-11 | Arecont Vision, Llc. | System and method for low-latency processing of intra-frame video pixel block prediction |
CN101729886B (zh) * | 2008-10-24 | 2011-09-28 | 安凯(广州)微电子技术有限公司 | 一种视频解码方法、系统和设备 |
US9866609B2 (en) | 2009-06-08 | 2018-01-09 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
WO2013149382A1 (en) * | 2012-04-05 | 2013-10-10 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for determining geographic position of mobile terminals |
US9854280B2 (en) | 2012-07-10 | 2017-12-26 | Time Warner Cable Enterprises Llc | Apparatus and methods for selective enforcement of secondary content viewing |
US9131283B2 (en) | 2012-12-14 | 2015-09-08 | Time Warner Cable Enterprises Llc | Apparatus and methods for multimedia coordination |
DE102014226122A1 (de) * | 2014-12-16 | 2016-06-16 | Robert Bosch Gmbh | Transkodereinrichtung sowie Server-Client-Anordnung mit der Transkodereinrichtung |
US10687115B2 (en) | 2016-06-01 | 2020-06-16 | Time Warner Cable Enterprises Llc | Cloud-based digital content recorder apparatus and methods |
US10911794B2 (en) | 2016-11-09 | 2021-02-02 | Charter Communications Operating, Llc | Apparatus and methods for selective secondary content insertion in a digital network |
US10939142B2 (en) | 2018-02-27 | 2021-03-02 | Charter Communications Operating, Llc | Apparatus and methods for content storage, distribution and security within a content distribution network |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG43051A1 (en) * | 1994-04-21 | 1997-10-17 | British Telecomm | A transcoder |
US6141447A (en) * | 1996-11-21 | 2000-10-31 | C-Cube Microsystems, Inc. | Compressed video transcoder |
CA2265089C (en) * | 1998-03-10 | 2007-07-10 | Sony Corporation | Transcoding system using encoding history information |
EP1295480A2 (en) * | 2000-06-29 | 2003-03-26 | PowerTV, Inc. | Compression system and method for use in a set top box environment |
US7149360B2 (en) * | 2002-01-09 | 2006-12-12 | Hewlett-Packard Development Company, L.P. | Method for using a JPEG engine to assist in efficiently constructing MPEG I-frames |
US7379498B2 (en) * | 2002-03-11 | 2008-05-27 | Broadcom Corporation | Reconstructing a compressed still image by transformation to a compressed moving picture image |
-
2002
- 2002-11-01 AU AU2002347419A patent/AU2002347419A1/en not_active Abandoned
- 2002-11-01 CN CNB02829842XA patent/CN100385956C/zh not_active Expired - Fee Related
- 2002-11-01 EP EP02783354A patent/EP1559275A1/en not_active Withdrawn
- 2002-11-01 US US10/533,345 patent/US20060050784A1/en not_active Abandoned
- 2002-11-01 WO PCT/IB2002/004577 patent/WO2004040914A1/en not_active Application Discontinuation
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101098479B (zh) * | 2006-06-23 | 2010-08-11 | 美国博通公司 | 处理视频数据的方法及设备 |
WO2009056006A1 (en) * | 2007-10-30 | 2009-05-07 | The Chinese University Of Hong Kong | Processes and apparatus for deriving order-16 integer transforms |
US8255445B2 (en) | 2007-10-30 | 2012-08-28 | The Chinese University Of Hong Kong | Processes and apparatus for deriving order-16 integer transforms |
US8175165B2 (en) | 2008-04-15 | 2012-05-08 | The Chinese University Of Hong Kong | Methods and apparatus for deriving an order-16 integer transform |
US8483281B2 (en) | 2008-04-15 | 2013-07-09 | The Chinese University Of Hong Kong | Generation of an order-2N transform from an order-N transform |
CN104584559A (zh) * | 2012-07-02 | 2015-04-29 | 微软公司 | 用于色度qp值的扩展的范围 |
US9781421B2 (en) | 2012-07-02 | 2017-10-03 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
CN104584559B (zh) * | 2012-07-02 | 2018-04-06 | 微软技术许可有限责任公司 | 一种用于色度qp值的扩展的范围的设备、方法、系统及可读存储介质 |
US10097832B2 (en) | 2012-07-02 | 2018-10-09 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
US10250882B2 (en) | 2012-07-02 | 2019-04-02 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
CN107920247A (zh) * | 2016-10-07 | 2018-04-17 | 财团法人工业技术研究院 | 选择画面内预测模式的方法、视频编码装置及处理设备 |
WO2018196502A1 (zh) * | 2017-04-27 | 2018-11-01 | 腾讯科技(深圳)有限公司 | 图片转码方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2004040914A1 (en) | 2004-05-13 |
AU2002347419A1 (en) | 2004-05-25 |
EP1559275A1 (en) | 2005-08-03 |
CN100385956C (zh) | 2008-04-30 |
US20060050784A1 (en) | 2006-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1695382A (zh) | 用于图像编码转换的方法和设备 | |
KR102229045B1 (ko) | 디스플레이 스트림 압축 (dsc) 을 위한 엔트로피 코딩 기법들 | |
US10362310B2 (en) | Entropy coding techniques for display stream compression (DSC) of non-4:4:4 chroma sub-sampling | |
JP5590133B2 (ja) | 動画像符号化装置、動画像符号化方法、動画像符号化用コンピュータプログラム、動画像復号装置及び動画像復号方法ならびに動画像復号用コンピュータプログラム | |
US20050276500A1 (en) | Image encoding apparatus, and image processing apparatus and its control method | |
CN101049025A (zh) | 根据单个输入产生多个代码转换输出的一种方法和系统 | |
CN1723710A (zh) | 用于对视频数据编码的系统和用于对视频数据解码的系统 | |
WO2001059706A1 (en) | Method and apparatus for intelligent transcoding of multimedia data | |
CN1656690A (zh) | 在图像/视频编码器和/或解码器中将变换系数编码 | |
EP2084907B1 (en) | Method and system for scalable bitstream extraction | |
US20030118097A1 (en) | System for realization of complexity scalability in a layered video coding framework | |
Christopoulos et al. | JPEG2000: the new still picture compression standard | |
EP3403408A1 (en) | System and methods for calculating distortion in display stream compression (dsc) | |
Perra | Re-encoding JPEG images for smart phone applications | |
CN1305315C (zh) | 图像编码装置 | |
WO2006046334A1 (ja) | 映像符号化装置、映像復号化装置、映像符号化方法及び映像復号化方法 | |
Taubman et al. | High throughput jpeg 2000 (htj2k): New algorithms and opportunities | |
JP2001136371A (ja) | 静止画像通信方法及び静止画像通信システム | |
KR100701466B1 (ko) | 이미지를 트랜스코딩하는 방법 및 장치 | |
RU2227322C2 (ru) | Способ кодирования фото- и видеоинформации | |
Moore | JPEG2000 for handheld applications | |
CN1599403A (zh) | 逐进式结合图像专家组解码方法及相关装置 | |
Chabra et al. | Compression of Image Using DCT, VLC and Huffman Coding |
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: NOKIA (CHINA) INVESTMENT CO.,LTD. Free format text: FORMER OWNER: NOKIA OY Effective date: 20091204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091204 Address after: No. 5 East Ring Road, Beijing economic and Technological Development Zone Patentee after: Nokia (China) Investment Co., Ltd. Address before: Espoo, Finland Patentee before: Nokia Oyj |
|
ASS | Succession or assignment of patent right |
Owner name: NOKIA OY Free format text: FORMER OWNER: NOKIA (CHINA) INVESTMENT CO., LTD. Effective date: 20140416 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: Espoo, Finland Patentee after: Nokia Oyj Address before: 100176 No. 5 East Ring Road, Beijing economic and Technological Development Zone Patentee before: NOKIA (CHINA) INVESTMENT CO., LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: Espoo, Finland Patentee after: Technology Co., Ltd. of Nokia Address before: Espoo, Finland Patentee before: Nokia Oyj |
|
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: 20080430 Termination date: 20161101 |