CN1115050C - 有分级装置的视频信号编码方法和设备 - Google Patents
有分级装置的视频信号编码方法和设备 Download PDFInfo
- Publication number
- CN1115050C CN1115050C CN95105458A CN95105458A CN1115050C CN 1115050 C CN1115050 C CN 1115050C CN 95105458 A CN95105458 A CN 95105458A CN 95105458 A CN95105458 A CN 95105458A CN 1115050 C CN1115050 C CN 1115050C
- Authority
- CN
- China
- Prior art keywords
- coefficient
- sub
- video signal
- coefficients
- 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.)
- Expired - Lifetime
Links
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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/008—Vector 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
- H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
-
- 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
- H04N19/94—Vector 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
- H04N19/102—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
- H04N19/90—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Discrete Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR5867/95 | 1995-03-20 | ||
KR1019950005867A KR0181028B1 (ko) | 1995-03-20 | 1995-03-20 | 분류 디바이스를 갖는 개선된 비디오 신호 부호화 시스템 |
KR5867/1995 | 1995-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1134085A CN1134085A (zh) | 1996-10-23 |
CN1115050C true CN1115050C (zh) | 2003-07-16 |
Family
ID=19410197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95105458A Expired - Lifetime CN1115050C (zh) | 1995-03-20 | 1995-05-12 | 有分级装置的视频信号编码方法和设备 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5561464A (zh) |
EP (1) | EP0734164B1 (zh) |
JP (1) | JP3868014B2 (zh) |
KR (1) | KR0181028B1 (zh) |
CN (1) | CN1115050C (zh) |
DE (1) | DE69523439T2 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5754742A (en) * | 1995-05-12 | 1998-05-19 | Intel Corporation | Setting quantization level to match DCT coefficients |
US6101282A (en) * | 1995-06-22 | 2000-08-08 | Canon Kabushiki Kaisha | Apparatus and method for image data encoding |
US5845015A (en) * | 1995-10-12 | 1998-12-01 | Sarnoff Corporation | Method and apparatus for resizing images using the discrete cosine transform |
JPH10511531A (ja) * | 1995-10-18 | 1998-11-04 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 領域ベーステクスチュアコード化方法及びデコード方法、及び対応するシステム |
US6141452A (en) * | 1996-05-13 | 2000-10-31 | Fujitsu Limited | Apparatus for compressing and restoring image data using wavelet transform |
US5790706A (en) * | 1996-07-03 | 1998-08-04 | Motorola, Inc. | Method and apparatus for scanning of transform coefficients |
FR2755818A1 (fr) * | 1996-11-08 | 1998-05-15 | Canon Kk | Codage de signal numerique par decomposition en sous-bandes de frequence et quantification vectorielle a etats finis |
US6381364B1 (en) * | 1996-12-31 | 2002-04-30 | Intel Corporation | Content texture sensitive picture/video encoder/decoder |
US5960120A (en) * | 1997-01-30 | 1999-09-28 | Samsung Electronics Co., Ltd. | Apparatus for quantizing classified vectors of image signals using four-band linear phase para-unitary filter group |
US6157746A (en) | 1997-02-12 | 2000-12-05 | Sarnoff Corporation | Apparatus and method for encoding wavelet trees generated by a wavelet-based coding method |
JPH10336682A (ja) | 1997-04-02 | 1998-12-18 | Canon Inc | 符号化装置及び方法及び方法を記憶した記憶媒体 |
US6097394A (en) * | 1997-04-28 | 2000-08-01 | Board Of Trustees, Leland Stanford, Jr. University | Method and system for light field rendering |
EP0899960A3 (en) * | 1997-08-29 | 1999-06-09 | Canon Kabushiki Kaisha | Digital signal coding and decoding |
FR2767988A1 (fr) * | 1997-08-29 | 1999-03-05 | Canon Kk | Codage et decodage de signal numerique avec allocation adaptative de debit |
US7092885B1 (en) | 1997-12-24 | 2006-08-15 | Mitsubishi Denki Kabushiki Kaisha | Sound encoding method and sound decoding method, and sound encoding device and sound decoding device |
KR100294890B1 (ko) * | 1998-07-01 | 2001-07-12 | 윤종용 | 워터마킹을 사용한 디지털 영상 코딩 장치와 디코딩 장치 및 그 방법 |
US6201897B1 (en) | 1998-11-09 | 2001-03-13 | Earth Resource Mapping | Transformation and selective inverse transformation of large digital images |
US6282322B1 (en) * | 1998-12-03 | 2001-08-28 | Philips Electronics North America Corp. | System and method for compressing and decompressing images |
US6370197B1 (en) | 1999-07-23 | 2002-04-09 | Memorylink Corporation | Video compression scheme using wavelets |
US7155062B1 (en) * | 1999-11-17 | 2006-12-26 | Genicom Corp. | System and method for performing pattern matching image compression |
EP1296524A1 (en) * | 2001-09-20 | 2003-03-26 | STMicroelectronics S.r.l. | Process and apparatus for the compression of digital video signals, a system and a computer program product therefor |
JP3937223B2 (ja) * | 2003-01-21 | 2007-06-27 | ソニー株式会社 | 記録装置、再生装置、記録方法及び再生方法 |
FR2854019B1 (fr) * | 2003-04-16 | 2005-09-16 | Medialive | Embrouillage, desembrouillage et distribution securisee de sequences audiovisuelles issues de codeurs videos bases sur un traitement par ondelettes |
US8077773B2 (en) * | 2008-07-19 | 2011-12-13 | Worldplay (Barbados) Inc. | Systems and methods for highly efficient video compression using selective retention of relevant visual detail |
US8971413B2 (en) * | 2010-05-24 | 2015-03-03 | Intel Corporation | Techniques for storing and retrieving pixel data |
US9813737B2 (en) * | 2013-09-19 | 2017-11-07 | Blackberry Limited | Transposing a block of transform coefficients, based upon an intra-prediction mode |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5128757A (en) * | 1990-06-18 | 1992-07-07 | Zenith Electronics Corporation | Video transmission system using adaptive sub-band coding |
KR950000830B1 (ko) * | 1990-06-25 | 1995-02-02 | 미쯔비시덴끼 가부시끼가이샤 | 디지탈 비디오 신호의 부호화 방법 및 이를 이용한 고능률 부호화장치 |
US5339164A (en) * | 1991-12-24 | 1994-08-16 | Massachusetts Institute Of Technology | Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runlength encoding |
KR0132894B1 (ko) * | 1992-03-13 | 1998-10-01 | 강진구 | 영상압축부호화 및 복호화 방법과 그 장치 |
JPH0638198A (ja) * | 1992-05-19 | 1994-02-10 | Sony Corp | 画像信号伝送装置及び画像信号伝送方法 |
-
1995
- 1995-03-20 KR KR1019950005867A patent/KR0181028B1/ko not_active IP Right Cessation
- 1995-05-02 US US08/433,270 patent/US5561464A/en not_active Expired - Lifetime
- 1995-05-05 DE DE69523439T patent/DE69523439T2/de not_active Expired - Lifetime
- 1995-05-05 EP EP19950106855 patent/EP0734164B1/en not_active Expired - Lifetime
- 1995-05-12 CN CN95105458A patent/CN1115050C/zh not_active Expired - Lifetime
- 1995-05-17 JP JP14389795A patent/JP3868014B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3868014B2 (ja) | 2007-01-17 |
KR0181028B1 (ko) | 1999-05-01 |
EP0734164B1 (en) | 2001-10-24 |
JPH08275165A (ja) | 1996-10-18 |
KR960036705A (ko) | 1996-10-28 |
US5561464A (en) | 1996-10-01 |
DE69523439D1 (de) | 2001-11-29 |
DE69523439T2 (de) | 2002-05-29 |
EP0734164A2 (en) | 1996-09-25 |
CN1134085A (zh) | 1996-10-23 |
EP0734164A3 (en) | 1998-04-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1115050C (zh) | 有分级装置的视频信号编码方法和设备 | |
KR100926381B1 (ko) | Golomb-rice 코딩을 사용한 dct 압축 | |
EP0517834B1 (en) | Image data compression using adaptive block size selection | |
KR100366638B1 (ko) | 웨이블릿 변환을 기본으로하여 트리-구조의 벡터 양자화기법을 이용한 영상 부호화 장치 및 부호화 방법 | |
US6728316B2 (en) | Video coding method | |
KR20030005171A (ko) | 품질기반 영상압축 | |
Xing et al. | Arbitrarily shaped video-object coding by wavelet | |
Setia et al. | Coding of DWT Coefficients using Run-length coding and Huffman Coding for the purpose of Color Image Compression | |
CN1143885A (zh) | 使用矢量量化技术对图象信号进行编码的装置 | |
GB2308768A (en) | Video encoding based on inter block redundancy | |
CN1097957C (zh) | 用于基于边界的自适应熵编码/解码的方法和装置 | |
Chrysafis et al. | An algorithm for low memory wavelet image compression | |
GB2308771A (en) | Video encoding based on inter block correlation | |
Bildkompression | Embedded wavelet-based image compression: State of the art | |
Goh et al. | Multi-resolution based algorithms for low bit-rate image coding | |
KR20000031283A (ko) | 영상 부호화 장치 | |
US20090074059A1 (en) | Encoding method and device for image data | |
Efstratiadis et al. | Image compression using subband/wavelet transform and adaptive multiple-distribution entropy coding | |
Al-Azawi et al. | Low complexity image compression algorithm using AMBTC and bit plane squeezing | |
KR20010077752A (ko) | 인간 시각 시스템의 특성을 반영한 퍼지 논리를 적용한이산 웨이브렛 변환을 이용한 영상 압축 방법 및 장치 | |
KR100404589B1 (ko) | 웨이브릿 변환을 이용한 초저속 동영상 부호화기의 주사 방법 | |
Zandi et al. | Compression with reversible embedded wavelets with an enhanced binary mode | |
Franques | Wavelet-based embedded zerotree extension to color coding | |
Palfner et al. | Progressive coding of stereo images using wavelets | |
Sayood et al. | Implementation issues in source 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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20030919 Patentee after: Daewoo Electronics Co., Ltd. Patentee before: Daewoo Electronics Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130419 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130419 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20150512 Granted publication date: 20030716 |