BRPI0417576A - método e sistema para comprimir um bloco de imagem, para codificar uma imagem, para processar uma representação comprimida de um bloco de imagem, e para decodificar uma imagem codificada, e, representação de sinal de um bloco de imagem - Google Patents
método e sistema para comprimir um bloco de imagem, para codificar uma imagem, para processar uma representação comprimida de um bloco de imagem, e para decodificar uma imagem codificada, e, representação de sinal de um bloco de imagemInfo
- Publication number
- BRPI0417576A BRPI0417576A BRPI0417576-0A BRPI0417576A BRPI0417576A BR PI0417576 A BRPI0417576 A BR PI0417576A BR PI0417576 A BRPI0417576 A BR PI0417576A BR PI0417576 A BRPI0417576 A BR PI0417576A
- Authority
- BR
- Brazil
- Prior art keywords
- image
- representation
- block
- intensity
- image block
- Prior art date
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
- H04N19/10—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
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/90—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
- H04N19/98—Adaptive-dynamic-range coding [ADRC]
-
- 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
- H04N19/176—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 block, e.g. a macroblock
-
- 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
- H04N19/184—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 bits, e.g. of the compressed video 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
- H04N19/10—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Color Television Systems (AREA)
- Image Processing (AREA)
Abstract
"MéTODO E SISTEMA PARA COMPRIMIR UM BLOCO DE IMAGEM, PARA CODIFICAR UMA IMAGEM, PARA PROCESSAR UMA REPRESENTAçãO COMPRIMIDA DE UM BLOCO DE IMAGEM, E PARA DECODIFICAR UMA IMAGEM CODIFICADA, E, REPRESENTAçãO DE SINAL DE UM BLOCO DE IMAGEM". Em um esquema de codificação de imagem, um imagem de entrada é decomposta em vários blocos de imagem (600) compreendendo múltiplos elementos de imagem (610), por exemplo pixéis ou texéis. Os blocos de imagem (600) são então codificados em representações de bloco codificadas (700). Tal representação de bloco (700) compreende uma palavra-código de cor (710), uma palavra-código de intensidade (720) e uma seqüência (730) de representações de intensidade. A palavra-código de cor (710) é uma representação das cores dos elementos de imagem (610) do bloco (600). A palavra-código de intensidade (720) é uma representação de um conjunto de múltiplos modificadores de intensidade para modificar a intensidade dos elementos de imagem (610) no bloco (600). A seqüência de representação (730) compreende uma representação de intensidade para cada elemento de imagem (610) no bloco (600), onde uma representação identifica um de modificadores de intensidade no conjunto de modificadores de intensidade. Durante decodificação, as palavras-código de cor e intensidade (710, 720) e representações de intensidade (730) são usadas para gerar uma representação decodificada dos elementos de imagem (610) no bloco (600).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0303497A SE526226C2 (sv) | 2003-12-19 | 2003-12-19 | Bildbehandling |
PCT/SE2004/001120 WO2005059836A1 (en) | 2003-12-19 | 2004-07-08 | Image processing |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0417576A true BRPI0417576A (pt) | 2007-03-20 |
BRPI0417576B1 BRPI0417576B1 (pt) | 2017-04-18 |
Family
ID=30768816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0417576A BRPI0417576B1 (pt) | 2003-12-19 | 2004-07-08 | "método e sistema para comprimir um bloco de imagem, para codificar uma imagem, para processar uma representação comprimida de um bloco de imagem, e para decodificar uma imagem codificada, e, representação de sinal de um bloco de imagem". |
Country Status (15)
Country | Link |
---|---|
US (1) | US7636471B2 (pt) |
EP (2) | EP2688042B1 (pt) |
JP (1) | JP4444967B2 (pt) |
CN (3) | CN100550057C (pt) |
AU (1) | AU2004298705B2 (pt) |
BR (1) | BRPI0417576B1 (pt) |
CA (1) | CA2545414C (pt) |
ES (1) | ES2716560T3 (pt) |
HU (1) | HUE042288T2 (pt) |
PL (1) | PL2688042T3 (pt) |
RU (1) | RU2317587C1 (pt) |
SE (1) | SE526226C2 (pt) |
TR (1) | TR201901009T4 (pt) |
WO (1) | WO2005059836A1 (pt) |
ZA (1) | ZA200604184B (pt) |
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SE526226C2 (sv) | 2003-12-19 | 2005-08-02 | Ericsson Telefon Ab L M | Bildbehandling |
SE0401850D0 (sv) | 2003-12-19 | 2004-07-08 | Ericsson Telefon Ab L M | Image processing |
SE0401852D0 (sv) | 2003-12-19 | 2004-07-08 | Ericsson Telefon Ab L M | Image processing |
ES2569419T3 (es) | 2005-05-27 | 2016-05-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Procesamiento de imágenes basado en peso |
EP1924970B1 (en) * | 2005-08-19 | 2009-03-11 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Texture compression based on two hues with modified brightness |
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US7787691B2 (en) * | 2006-04-11 | 2010-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | High quality image processing |
US8233003B2 (en) | 2007-03-12 | 2012-07-31 | Seiko Epson Corporation | Image processing device, image processing method, and electronic instrument |
JP5157419B2 (ja) * | 2007-03-12 | 2013-03-06 | セイコーエプソン株式会社 | 画像処理装置、画像処理方法及び電子機器 |
WO2008123822A1 (en) * | 2007-04-04 | 2008-10-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Vector-based image processing |
KR101431185B1 (ko) * | 2007-06-22 | 2014-08-27 | 삼성전자 주식회사 | 영상 향상 방법 및 장치, 이를 이용한 영상 처리 시스템 |
TWI366391B (en) * | 2007-06-28 | 2012-06-11 | Novatek Microelectronics Corp | Method and circuit for correcting signals and image correcting method and circuit using the same |
US8013862B2 (en) * | 2007-11-16 | 2011-09-06 | Microsoft Corporation | Texture codec |
US20100226568A1 (en) * | 2009-03-09 | 2010-09-09 | Smith Micro Software, Inc. | Effective color modeling method for predictive image compression |
CN102571270A (zh) * | 2009-03-27 | 2012-07-11 | 华为技术有限公司 | 解码方法及装置 |
KR20100136890A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
JP2011066720A (ja) * | 2009-09-17 | 2011-03-31 | Canon Inc | 画像処理装置、制御方法、及びプログラム |
BR112012012273B1 (pt) * | 2009-11-24 | 2020-11-03 | Telefonaktiebolaget Lm Ericsson (Publ) | sistema de decodificação e método para gerar um pixel decodificado |
US8659616B2 (en) * | 2010-02-18 | 2014-02-25 | Nvidia Corporation | System, method, and computer program product for rendering pixels with at least one semi-transparent surface |
CN102244779B (zh) * | 2010-05-11 | 2014-07-30 | 联想(北京)有限公司 | 数据的发送和接收方法及设备、数据传输*** |
US9129543B2 (en) * | 2010-06-18 | 2015-09-08 | Telefonaktie L M Ericsson (publ) | Texture compression and decompression |
WO2012035691A1 (ja) * | 2010-09-13 | 2012-03-22 | 株式会社ソニー・コンピュータエンタテインメント | 画像処理装置、画像処理方法、動画像ファイルのデータ構造、データ圧縮装置、データ復号装置、データ圧縮方法、データ復号方法、および圧縮動画像ファイルのデータ構造 |
KR101834934B1 (ko) * | 2010-12-03 | 2018-03-08 | 코닌클리케 필립스 엔.브이. | 3d 이미지 데이터의 전송 |
EP2846550B1 (en) * | 2011-01-05 | 2018-10-03 | Koninklijke Philips N.V. | Video coding and decoding devices and methods preserving PPG relevant information |
WO2012093304A1 (en) * | 2011-01-05 | 2012-07-12 | Koninklijke Philips Electronics N.V. | Video coding and decoding devices and methods preserving ppg relevant information |
GB2487717B (en) * | 2011-01-25 | 2017-06-21 | Advanced Risc Mach Ltd | Image encoding method |
US9280834B2 (en) | 2011-04-04 | 2016-03-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method and a processor for texture compression |
US20140050414A1 (en) * | 2011-04-29 | 2014-02-20 | Telefonaktiebolaget L M Ericsson (Publ) | Encoder, Decoder and Methods Thereof for Texture Compression |
CN102972023B (zh) | 2011-07-13 | 2016-09-28 | 松下知识产权经营株式会社 | 图像压缩装置、图像解压缩装置以及图像处理装置 |
JP6003049B2 (ja) * | 2011-11-30 | 2016-10-05 | 富士通株式会社 | 情報処理装置、画像送信方法及び画像送信プログラム |
JP5915131B2 (ja) * | 2011-12-08 | 2016-05-11 | ソニー株式会社 | 画像処理装置、画像処理方法及びプログラム |
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WO2014014238A1 (en) | 2012-07-17 | 2014-01-23 | Samsung Electronics Co., Ltd. | System and method for providing image |
KR102091137B1 (ko) * | 2012-07-17 | 2020-03-20 | 삼성전자주식회사 | 영상 제공 시스템 및 방법 |
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CN104899838B (zh) * | 2015-05-29 | 2017-11-28 | 小米科技有限责任公司 | 调整图像的方法及装置 |
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-
2003
- 2003-12-19 SE SE0303497A patent/SE526226C2/sv not_active IP Right Cessation
-
2004
- 2004-07-08 WO PCT/SE2004/001120 patent/WO2005059836A1/en active Application Filing
- 2004-07-08 ES ES13172504T patent/ES2716560T3/es not_active Expired - Lifetime
- 2004-07-08 US US10/582,988 patent/US7636471B2/en active Active
- 2004-07-08 ZA ZA200604184A patent/ZA200604184B/en unknown
- 2004-07-08 HU HUE13172504A patent/HUE042288T2/hu unknown
- 2004-07-08 CA CA2545414A patent/CA2545414C/en not_active Expired - Lifetime
- 2004-07-08 AU AU2004298705A patent/AU2004298705B2/en not_active Expired
- 2004-07-08 EP EP13172504.6A patent/EP2688042B1/en not_active Expired - Lifetime
- 2004-07-08 EP EP04749156.8A patent/EP1697897B1/en not_active Expired - Lifetime
- 2004-07-08 RU RU2006126058/09A patent/RU2317587C1/ru active
- 2004-07-08 CN CNB2004800380946A patent/CN100550057C/zh not_active Expired - Lifetime
- 2004-07-08 JP JP2006545270A patent/JP4444967B2/ja not_active Expired - Lifetime
- 2004-07-08 BR BRPI0417576A patent/BRPI0417576B1/pt active IP Right Grant
- 2004-07-08 TR TR2019/01009T patent/TR201901009T4/tr unknown
- 2004-07-08 PL PL13172504T patent/PL2688042T3/pl unknown
- 2004-12-17 CN CNB2004800380024A patent/CN100504926C/zh active Active
- 2004-12-17 CN CNB2004800417141A patent/CN100498838C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU2004298705A1 (en) | 2005-06-30 |
BRPI0417576B1 (pt) | 2017-04-18 |
ZA200604184B (en) | 2007-11-28 |
JP4444967B2 (ja) | 2010-03-31 |
HUE042288T2 (hu) | 2019-06-28 |
EP2688042A1 (en) | 2014-01-22 |
CN1918602A (zh) | 2007-02-21 |
EP2688042B1 (en) | 2019-01-09 |
EP1697897B1 (en) | 2014-05-21 |
EP1697897A1 (en) | 2006-09-06 |
ES2716560T3 (es) | 2019-06-13 |
CN100550057C (zh) | 2009-10-14 |
CA2545414C (en) | 2014-08-26 |
WO2005059836A1 (en) | 2005-06-30 |
CN100504926C (zh) | 2009-06-24 |
US7636471B2 (en) | 2009-12-22 |
PL2688042T3 (pl) | 2019-06-28 |
US20070140554A1 (en) | 2007-06-21 |
RU2317587C1 (ru) | 2008-02-20 |
AU2004298705B2 (en) | 2009-08-20 |
CN1898700A (zh) | 2007-01-17 |
TR201901009T4 (tr) | 2019-02-21 |
CA2545414A1 (en) | 2005-06-30 |
CN1898699A (zh) | 2007-01-17 |
SE0303497L (sv) | 2005-06-20 |
CN100498838C (zh) | 2009-06-10 |
JP2007515124A (ja) | 2007-06-07 |
SE526226C2 (sv) | 2005-08-02 |
SE0303497D0 (sv) | 2003-12-19 |
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