DE60023226D1 - Verfahren und Vorrichtung zur Codierung mit variabler Länge - Google Patents
Verfahren und Vorrichtung zur Codierung mit variabler LängeInfo
- Publication number
- DE60023226D1 DE60023226D1 DE60023226T DE60023226T DE60023226D1 DE 60023226 D1 DE60023226 D1 DE 60023226D1 DE 60023226 T DE60023226 T DE 60023226T DE 60023226 T DE60023226 T DE 60023226T DE 60023226 D1 DE60023226 D1 DE 60023226D1
- Authority
- DE
- Germany
- Prior art keywords
- variable length
- length coding
- symbols
- mapping
- coding method
- 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 - Lifetime
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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- 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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/142—Detection of scene cut or scene change
-
- 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
- H04N19/179—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 scene or a shot
-
- 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
-
- 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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/87—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving scene cut or scene change detection in combination with video compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/147—Scene change detection
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR9931672 | 1999-08-02 | ||
KR19990031672A KR100618972B1 (ko) | 1999-08-02 | 1999-08-02 | 가변장 코딩 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60023226D1 true DE60023226D1 (de) | 2006-03-02 |
DE60023226T2 DE60023226T2 (de) | 2006-07-06 |
Family
ID=36590847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2000623226 Expired - Lifetime DE60023226T2 (de) | 1999-08-02 | 2000-07-27 | Verfahren und Vorrichtung zur Codierung mit variabler Länge |
Country Status (7)
Country | Link |
---|---|
US (1) | US6668094B1 (de) |
EP (1) | EP1075087B1 (de) |
JP (1) | JP3466140B2 (de) |
KR (1) | KR100618972B1 (de) |
CN (1) | CN1174555C (de) |
AT (1) | ATE307424T1 (de) |
DE (1) | DE60023226T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100750092B1 (ko) * | 2000-01-28 | 2007-08-21 | 삼성전자주식회사 | 가변장 코딩방법 및 장치 |
KR100856398B1 (ko) * | 2000-05-17 | 2008-09-04 | 삼성전자주식회사 | 복수 매핑 테이블을 이용한 가변장 부호화 및 복호화방법과 그 장치 |
US20030169816A1 (en) * | 2002-01-22 | 2003-09-11 | Limin Wang | Adaptive universal variable length codeword coding for digital video content |
US7286157B2 (en) * | 2003-09-11 | 2007-10-23 | Intellivid Corporation | Computerized method and apparatus for determining field-of-view relationships among multiple image sensors |
US20070230805A1 (en) * | 2004-07-27 | 2007-10-04 | Yoshihisa Yamada | Coded Data Recording Apparatus, Decoding Apparatus and Program |
JP2006128759A (ja) * | 2004-10-26 | 2006-05-18 | Matsushita Electric Ind Co Ltd | 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 |
KR100995294B1 (ko) * | 2006-06-30 | 2010-11-19 | 주식회사 메디슨 | 누적 빈도수를 이용한 초음파 영상의 압축 방법 |
JP2010103969A (ja) * | 2008-09-25 | 2010-05-06 | Renesas Technology Corp | 画像復号方法、画像復号装置、画像符号化方法及び画像符号化装置 |
US8971413B2 (en) | 2010-05-24 | 2015-03-03 | Intel Corporation | Techniques for storing and retrieving pixel data |
US20110317759A1 (en) * | 2010-06-25 | 2011-12-29 | Thomas Vinay S | System, method, and computer program product for parameter estimation for lossless video compression |
CN102377996B (zh) * | 2010-08-05 | 2014-04-30 | 华为技术有限公司 | 上下文自适应可变长编码方法及装置 |
CN102404571A (zh) * | 2011-11-22 | 2012-04-04 | 浙江大学 | 视频图像编解码中的二进制化的方法和装置 |
US9264707B2 (en) * | 2013-02-04 | 2016-02-16 | Google Inc. | Multi-symbol run-length coding |
CN106849956B (zh) * | 2016-12-30 | 2020-07-07 | 华为机器有限公司 | 压缩方法、解压缩方法、装置和数据处理系统 |
CN109818940B (zh) * | 2019-01-03 | 2021-06-25 | 浙江好络维医疗技术有限公司 | 一种适用于在嵌入式硬件中实现实时传输的心电波形快速压缩算法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4626829A (en) * | 1985-08-19 | 1986-12-02 | Intelligent Storage Inc. | Data compression using run length encoding and statistical encoding |
JPH03145223A (ja) * | 1989-10-30 | 1991-06-20 | Toshiba Corp | 可変長符号復調装置 |
US5134477A (en) * | 1990-12-11 | 1992-07-28 | At&T Bell Laboratories | Hdtv receiver |
JPH0575477A (ja) * | 1991-09-13 | 1993-03-26 | Sony Corp | ハフマン符号化装置および復号化装置 |
JP3093499B2 (ja) * | 1992-03-06 | 2000-10-03 | 三菱電機株式会社 | シーンチェンジ検出装置 |
JP2697479B2 (ja) * | 1992-04-17 | 1998-01-14 | 国際電信電話株式会社 | 可逆可変長符号化方式 |
US5510785A (en) * | 1993-03-19 | 1996-04-23 | Sony Corporation | Method of coding a digital signal, method of generating a coding table, coding apparatus and coding method |
US5541595A (en) * | 1994-05-19 | 1996-07-30 | Matsushita Electric Corporation Of America | Variable length code decoder for simultaneous decoding the most significant bits and the least significant bits of a variable length code |
KR0139161B1 (ko) * | 1994-11-26 | 1998-05-15 | 김광호 | 가변장부호테이블의 심볼-부호어 재배정을 이용한 가변장 부호화/복호화 장치 |
EP1802141A2 (de) * | 1995-03-15 | 2007-06-27 | Kabushiki Kaisha Toshiba | Kodier- und/oder Dekodiersysteme für Bewegtbilder |
JPH08256266A (ja) * | 1995-03-17 | 1996-10-01 | Mitsubishi Electric Corp | 画像符号化方式 |
US5793896A (en) * | 1995-03-23 | 1998-08-11 | Intel Corporation | Ordering corrector for variable length codes |
KR100319919B1 (ko) * | 1996-07-06 | 2002-06-20 | 윤종용 | 가변 확률모형을 사용한 개선된 산술 부호화기 및/또는 복호화기 |
JPH10336654A (ja) * | 1997-06-02 | 1998-12-18 | Nec Corp | 画像符号化装置 |
JPH1155531A (ja) | 1997-07-31 | 1999-02-26 | Ricoh Co Ltd | 算術符号化装置 |
US5982306A (en) * | 1997-12-02 | 1999-11-09 | Daewoo Electronics Co., Ltd. | Variable-length coding method and apparatus thereof |
KR100281328B1 (ko) * | 1998-01-30 | 2001-02-01 | 전주범 | 콘텍스트 기반 산술 부호화/복호화 방법 및 장치 |
US6449394B1 (en) * | 1999-07-09 | 2002-09-10 | Sarnoff Corporation | Packing variable-length code bits at fixed positions |
-
1999
- 1999-08-02 KR KR19990031672A patent/KR100618972B1/ko not_active IP Right Cessation
-
2000
- 2000-07-27 AT AT00306429T patent/ATE307424T1/de not_active IP Right Cessation
- 2000-07-27 DE DE2000623226 patent/DE60023226T2/de not_active Expired - Lifetime
- 2000-07-27 EP EP20000306429 patent/EP1075087B1/de not_active Expired - Lifetime
- 2000-08-02 CN CNB001189840A patent/CN1174555C/zh not_active Expired - Fee Related
- 2000-08-02 US US09/631,883 patent/US6668094B1/en not_active Expired - Lifetime
- 2000-08-02 JP JP2000234923A patent/JP3466140B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE307424T1 (de) | 2005-11-15 |
CN1174555C (zh) | 2004-11-03 |
US6668094B1 (en) | 2003-12-23 |
JP3466140B2 (ja) | 2003-11-10 |
KR20010016662A (ko) | 2001-03-05 |
EP1075087B1 (de) | 2005-10-19 |
KR100618972B1 (ko) | 2006-09-01 |
DE60023226T2 (de) | 2006-07-06 |
JP2001086004A (ja) | 2001-03-30 |
CN1291826A (zh) | 2001-04-18 |
EP1075087A2 (de) | 2001-02-07 |
EP1075087A3 (de) | 2003-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |