DE60308255D1 - 2D-Transformationen zur Bild- und Videokodierung - Google Patents
2D-Transformationen zur Bild- und VideokodierungInfo
- Publication number
- DE60308255D1 DE60308255D1 DE60308255T DE60308255T DE60308255D1 DE 60308255 D1 DE60308255 D1 DE 60308255D1 DE 60308255 T DE60308255 T DE 60308255T DE 60308255 T DE60308255 T DE 60308255T DE 60308255 D1 DE60308255 D1 DE 60308255D1
- Authority
- DE
- Germany
- Prior art keywords
- image
- range
- implementation
- video coding
- integer
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/007—Transform coding, e.g. discrete cosine transform
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine 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
- H04N19/10—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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Multimedia (AREA)
- Discrete Mathematics (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Systems (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37729802P | 2002-05-02 | 2002-05-02 | |
US377298P | 2002-05-02 | ||
US10/376,147 US7242713B2 (en) | 2002-05-02 | 2003-02-28 | 2-D transforms for image and video coding |
US376147P | 2003-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60308255D1 true DE60308255D1 (de) | 2006-10-26 |
DE60308255T2 DE60308255T2 (de) | 2006-12-28 |
Family
ID=29273051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60308255T Expired - Lifetime DE60308255T2 (de) | 2002-05-02 | 2003-03-21 | 2D-Transformationen zur Bild- und Videokodierung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7242713B2 (de) |
EP (1) | EP1359546B1 (de) |
JP (1) | JP4425561B2 (de) |
KR (1) | KR100965704B1 (de) |
CN (1) | CN100379292C (de) |
AT (1) | ATE339744T1 (de) |
DE (1) | DE60308255T2 (de) |
HK (1) | HK1060205A1 (de) |
Families Citing this family (85)
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US7813574B2 (en) * | 2003-09-24 | 2010-10-12 | Ntt Docomo, Inc. | Low complexity and unified transforms for video coding |
KR20050075578A (ko) * | 2004-01-16 | 2005-07-21 | 삼성전자주식회사 | 폐루프 최적화를 지원하는 스케일러블 비디오 엔코딩 방법및 장치 |
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AU2005239628B2 (en) * | 2005-01-14 | 2010-08-05 | Microsoft Technology Licensing, Llc | Reversible 2-dimensional pre-/post-filtering for lapped biorthogonal transform |
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US8102918B2 (en) | 2008-04-15 | 2012-01-24 | The Chinese University Of Hong Kong | Generation of an order-2N transform from an order-N transform |
US8175165B2 (en) | 2008-04-15 | 2012-05-08 | The Chinese University Of Hong Kong | Methods and apparatus for deriving an order-16 integer transform |
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US8817875B2 (en) * | 2009-08-13 | 2014-08-26 | The Johns Hopkins University | Methods and systems to encode and decode sequences of images |
CN102667923B (zh) | 2009-10-20 | 2014-11-05 | 弗兰霍菲尔运输应用研究公司 | 音频编码器、音频解码器、用于将音频信息编码的方法、用于将音频信息解码的方法 |
CA2786944C (en) * | 2010-01-12 | 2016-03-15 | Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries |
TWI415474B (zh) * | 2010-07-19 | 2013-11-11 | Mstar Semiconductor Inc | 視訊編/解碼器與其方法 |
BR122020016581B1 (pt) | 2010-09-28 | 2022-03-03 | Samsung Electronics Co., Ltd. | Método de decodificação de vídeo, e método de codificação de vídeo |
CN101977321B (zh) * | 2010-11-04 | 2014-03-12 | 深圳市融创天下科技股份有限公司 | 一种视频编码的整数变换方法 |
US9824066B2 (en) | 2011-01-10 | 2017-11-21 | Qualcomm Incorporated | 32-point transform for media data coding |
GB2492333B (en) * | 2011-06-27 | 2018-12-12 | British Broadcasting Corp | Video encoding and decoding using transforms |
TWI502970B (zh) | 2011-06-30 | 2015-10-01 | Samsung Electronics Co Ltd | 以對固定點轉換之位元深度控制做視訊編碼之方法與裝置以及以對固定點轉換之位元深度控制做視訊解碼之方法與裝置 |
JP5662887B2 (ja) * | 2011-07-01 | 2015-02-04 | 日本放送協会 | 符号化装置、復号装置及びプログラム |
CN104067621B (zh) * | 2011-11-07 | 2018-03-27 | Vid拓展公司 | 使用偶数‑奇数整数变换后台的视频和数据处理的设备和方法 |
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-
2003
- 2003-02-28 US US10/376,147 patent/US7242713B2/en active Active
- 2003-03-21 AT AT03006487T patent/ATE339744T1/de not_active IP Right Cessation
- 2003-03-21 EP EP03006487A patent/EP1359546B1/de not_active Expired - Lifetime
- 2003-03-21 DE DE60308255T patent/DE60308255T2/de not_active Expired - Lifetime
- 2003-04-25 JP JP2003122704A patent/JP4425561B2/ja not_active Expired - Lifetime
- 2003-04-30 CN CNB031241662A patent/CN100379292C/zh not_active Expired - Lifetime
- 2003-05-01 KR KR1020030028005A patent/KR100965704B1/ko active IP Right Grant
-
2004
- 2004-05-03 HK HK04103090A patent/HK1060205A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US7242713B2 (en) | 2007-07-10 |
KR100965704B1 (ko) | 2010-06-24 |
EP1359546A1 (de) | 2003-11-05 |
DE60308255T2 (de) | 2006-12-28 |
ATE339744T1 (de) | 2006-10-15 |
JP4425561B2 (ja) | 2010-03-03 |
KR20030086423A (ko) | 2003-11-10 |
EP1359546B1 (de) | 2006-09-13 |
CN1455599A (zh) | 2003-11-12 |
US20030206582A1 (en) | 2003-11-06 |
HK1060205A1 (en) | 2004-07-30 |
CN100379292C (zh) | 2008-04-02 |
JP2003333598A (ja) | 2003-11-21 |
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