MX9805292A - Aparato para codificacion de imagen, metodo para codificacion de imagen, aparato para decodificacion de imagen, metodo para decodificacion de imagen y medio de grabacion de datos. - Google Patents
Aparato para codificacion de imagen, metodo para codificacion de imagen, aparato para decodificacion de imagen, metodo para decodificacion de imagen y medio de grabacion de datos.Info
- Publication number
- MX9805292A MX9805292A MX9805292A MX9805292A MX9805292A MX 9805292 A MX9805292 A MX 9805292A MX 9805292 A MX9805292 A MX 9805292A MX 9805292 A MX9805292 A MX 9805292A MX 9805292 A MX9805292 A MX 9805292A
- Authority
- MX
- Mexico
- Prior art keywords
- image
- pixels
- pixel values
- block
- encoded
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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- 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
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
Un aparato codificacion de imagen de acuerdo con la presente invencion, comprende como se ilustra en la Figura 1, una unidad de formacion de bloques 2, para formar bloques de una señal de imagen que comprende multiples valores de pixel que corresponden a una sola region de exhibicion de imagen en bloques, cada uno comprende un numero predeterminado de pixeles, y enviar de salida, bloque por bloque, el numero predeterminado de valores de pixel que constituyen la señal de imagen en cada bloque; medios para reemplazar valores de pixel para reemplazar un valor de pixel de un pixel no codificado entre pixeles periféricos colocados en la vecindad de un pixel objetivo para codificacion, con un valor de pseudo pixel que se obtiene desde un valor de pixel de un pixel codificado entre los pixeles periféricos en base a una regla predeterminada; y un codificador 16a para recibir la señal de imagen que comprende multiples valores de pixel que corresponden a cada bloque, realizar por cada bloque, un proceso de codificacion en donde los valores de pixel respectivos se codifican sucesivamente en base al valor de pixel del pixel codificado y el valor de pseudo pixel del pixel no codificado, y enviar de salida una señal de imagen codificada. En el aparato de codificacion de imagen 101 así construido, es posible combinar un proceso para codificacion de pixel-por-pixel adaptativo y un proceso de codificacion bloque-por-bloque, sin degradar correlacion de los valores de pixel entre el pixel no codificado y el pixel objetivo para codificacion, evitando que se vuelva difícil la decodificacion de una señal codificada. De esta manera, influencia del error de transmision puede converger bloque por bloque y la eficiencia de codificacion puede mejorarse en comparacion con el proceso para codificacion bloque-por-bloque simple, y además, en el lado del decodificador, un proceso para decodificacion para una señal codificada que se ha codificado, sin degradar la eficiencia de prediccion del pixel objetivo de codificacion puede realizarse en forma precisa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28785896 | 1996-10-30 |
Publications (1)
Publication Number | Publication Date |
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MX9805292A true MX9805292A (es) | 1998-10-31 |
Family
ID=17722684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9805292A MX9805292A (es) | 1996-10-30 | 1998-06-29 | Aparato para codificacion de imagen, metodo para codificacion de imagen, aparato para decodificacion de imagen, metodo para decodificacion de imagen y medio de grabacion de datos. |
Country Status (12)
Country | Link |
---|---|
US (4) | US6173078B1 (es) |
EP (4) | EP1075145B1 (es) |
JP (1) | JP3176378B2 (es) |
KR (1) | KR100287641B1 (es) |
CN (3) | CN1165182C (es) |
DE (4) | DE69718219D1 (es) |
ES (4) | ES2190778T3 (es) |
ID (1) | ID21363A (es) |
MX (1) | MX9805292A (es) |
MY (1) | MY124128A (es) |
TW (1) | TW366669B (es) |
WO (1) | WO1998019461A1 (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000115783A (ja) * | 1998-10-06 | 2000-04-21 | Canon Inc | 復号化装置及び方法 |
GB2346470B (en) * | 1999-02-05 | 2003-10-29 | Advanced Risc Mach Ltd | Bitmap font data storage within data processing systems |
JP3885413B2 (ja) * | 1999-06-08 | 2007-02-21 | 富士ゼロックス株式会社 | 画像符号化装置、画像復号装置および画像符号化復号装置ならびに方法 |
US6795367B1 (en) * | 2000-05-16 | 2004-09-21 | Micron Technology, Inc. | Layout technique for address signal lines in decoders including stitched blocks |
US7221483B2 (en) * | 2000-09-05 | 2007-05-22 | Ricoh Company, Ltd. | Image encoding method and apparatus, image decoding method and apparatus, image processing apparatus, image formation apparatus, and computer-executable programs |
JP4368575B2 (ja) | 2002-04-19 | 2009-11-18 | パナソニック株式会社 | 可変長復号化方法、可変長復号化装置およびプログラム |
JP4090862B2 (ja) * | 2002-04-26 | 2008-05-28 | 松下電器産業株式会社 | 可変長符号化方法および可変長復号化方法 |
CN101304536B (zh) | 2002-11-20 | 2011-11-02 | 松下电器产业株式会社 | 动态图像编码方法及动态图像编码装置 |
JP4522199B2 (ja) * | 2003-11-27 | 2010-08-11 | キヤノン株式会社 | 画像符号化装置及び画像処理装置及びそれらの制御方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 |
US7418146B2 (en) * | 2004-02-10 | 2008-08-26 | Sanyo Electric Co., Ltd. | Image decoding apparatus |
CN100426869C (zh) * | 2006-07-21 | 2008-10-15 | 北京中星微电子有限公司 | 一种视频预测编码方法和解码方法 |
EP2071355B1 (en) | 2007-12-13 | 2015-07-29 | Swisscom AG | System and method for determining a location area of a mobile user |
US9721148B2 (en) | 2007-12-31 | 2017-08-01 | Applied Recognition Inc. | Face detection and recognition |
KR101517768B1 (ko) | 2008-07-02 | 2015-05-06 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
US8295364B2 (en) * | 2009-04-02 | 2012-10-23 | Sony Corporation | System and method of video data encoding with minimum baseband data transmission |
KR101464538B1 (ko) * | 2009-10-01 | 2014-11-25 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
WO2011042905A1 (en) * | 2009-10-08 | 2011-04-14 | Hd Medix | Distributed video compression system |
FR2955730A1 (fr) | 2010-01-25 | 2011-07-29 | Thomson Licensing | Procedes de codage et de decodage |
KR101798079B1 (ko) * | 2010-05-10 | 2017-11-16 | 삼성전자주식회사 | 픽셀값의 차분을 이용하여 영상 프레임을 부호화하는 방법 및 이를 위한 장치 |
AU2011295663B2 (en) * | 2010-09-03 | 2015-10-29 | Los Alamos National Security, Llc | Apparatus and method for visualization of particles suspended in a fluid and fluid flow patterns using ultrasound |
JP2014075631A (ja) * | 2012-10-02 | 2014-04-24 | Samsung Display Co Ltd | 圧縮器、駆動装置および表示装置 |
KR101485463B1 (ko) * | 2013-04-30 | 2015-01-26 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
KR101606855B1 (ko) * | 2014-09-01 | 2016-03-28 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
KR101606856B1 (ko) * | 2014-10-29 | 2016-03-28 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
KR101677277B1 (ko) * | 2015-06-17 | 2016-11-17 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
US20190364284A1 (en) * | 2017-01-16 | 2019-11-28 | Industry Academy Cooperation Foundation Of Sejong University | Image encoding/decoding method and device |
KR101989997B1 (ko) * | 2018-06-27 | 2019-06-17 | 삼성전자주식회사 | 영상의 부호화 방법 및 장치, 및 컴퓨터로 판독 가능한 기록 매체 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62122479A (ja) | 1985-11-22 | 1987-06-03 | Canon Inc | 画像伝送システム |
US5007102A (en) * | 1986-03-20 | 1991-04-09 | At&T Bell Laboratories | Data compression using block list transform |
JPH01205663A (ja) | 1988-02-12 | 1989-08-18 | Nec Corp | 画像信号符号化方式 |
JPH02105790A (ja) | 1988-10-14 | 1990-04-18 | Sony Corp | 画像信号の高能率符号化装置 |
CA1326899C (en) | 1988-10-14 | 1994-02-08 | Tetsujiro Kondo | Highly efficient coding apparatus |
JPH04219074A (ja) * | 1990-08-31 | 1992-08-10 | Toshiba Corp | 画像符号化装置 |
JPH0678294A (ja) * | 1992-08-21 | 1994-03-18 | Sony Corp | 符号化方法、符号化装置、および復号化装置 |
JP2621747B2 (ja) * | 1992-10-06 | 1997-06-18 | 富士ゼロックス株式会社 | 画像処理装置 |
US5883976A (en) * | 1994-12-28 | 1999-03-16 | Canon Kabushiki Kaisha | Selectively utilizing multiple encoding methods |
US5905819A (en) * | 1996-02-05 | 1999-05-18 | Eastman Kodak Company | Method and apparatus for hiding one image or pattern within another |
US5745603A (en) * | 1996-08-26 | 1998-04-28 | Hewlett-Packard Company | Two dimensional context model obtained without a line buffer for arithmetic coding |
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1997
- 1997-10-24 TW TW086115779A patent/TW366669B/zh not_active IP Right Cessation
- 1997-10-29 ES ES00119117T patent/ES2190778T3/es not_active Expired - Lifetime
- 1997-10-29 EP EP00119117A patent/EP1075145B1/en not_active Expired - Lifetime
- 1997-10-29 US US09/077,378 patent/US6173078B1/en not_active Expired - Lifetime
- 1997-10-29 EP EP00119116A patent/EP1075144B1/en not_active Expired - Lifetime
- 1997-10-29 ES ES97909663T patent/ES2170368T3/es not_active Expired - Lifetime
- 1997-10-29 DE DE69718219T patent/DE69718219D1/de not_active Expired - Fee Related
- 1997-10-29 WO PCT/JP1997/003917 patent/WO1998019461A1/ja active IP Right Grant
- 1997-10-29 JP JP52029098A patent/JP3176378B2/ja not_active Expired - Lifetime
- 1997-10-29 DE DE69709847T patent/DE69709847T2/de not_active Expired - Lifetime
- 1997-10-29 CN CNB011393521A patent/CN1165182C/zh not_active Expired - Fee Related
- 1997-10-29 MY MYPI97005149A patent/MY124128A/en unknown
- 1997-10-29 EP EP02019180A patent/EP1271961B1/en not_active Expired - Lifetime
- 1997-10-29 KR KR10-1998-0705028A patent/KR100287641B1/ko not_active IP Right Cessation
- 1997-10-29 ID IDW980018A patent/ID21363A/id unknown
- 1997-10-29 ES ES02019180T patent/ES2343885T3/es not_active Expired - Lifetime
- 1997-10-29 EP EP97909663A patent/EP0873015B1/en not_active Expired - Lifetime
- 1997-10-29 CN CN97191534A patent/CN1122420C/zh not_active Expired - Fee Related
- 1997-10-29 DE DE69739867T patent/DE69739867D1/de not_active Expired - Lifetime
- 1997-10-29 ES ES00119116T patent/ES2187418T3/es not_active Expired - Lifetime
- 1997-10-29 DE DE69719100T patent/DE69719100T2/de not_active Expired - Lifetime
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1998
- 1998-06-29 MX MX9805292A patent/MX9805292A/es not_active IP Right Cessation
-
2000
- 2000-08-30 US US09/651,120 patent/US6487314B1/en not_active Expired - Fee Related
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2001
- 2001-05-31 US US09/867,610 patent/US6487315B2/en not_active Expired - Fee Related
- 2001-11-21 CN CNB01139353XA patent/CN1154369C/zh not_active Expired - Fee Related
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2002
- 2002-09-11 US US10/238,600 patent/US6748117B2/en not_active Expired - Fee Related
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Legal Events
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FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |