ES2191177T3 - Decodificador de imagenes. - Google Patents
Decodificador de imagenes.Info
- Publication number
- ES2191177T3 ES2191177T3 ES97922058T ES97922058T ES2191177T3 ES 2191177 T3 ES2191177 T3 ES 2191177T3 ES 97922058 T ES97922058 T ES 97922058T ES 97922058 T ES97922058 T ES 97922058T ES 2191177 T3 ES2191177 T3 ES 2191177T3
- Authority
- ES
- Spain
- Prior art keywords
- pixel
- forecast
- value
- change pixel
- difference value
- 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
- H04N19/50—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
- H04N19/51—Motion estimation or motion compensation
- H04N19/537—Motion estimation other than block-based
- H04N19/543—Motion estimation other than block-based using regions
-
- 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
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/50—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
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
- H04N19/60—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
Abstract
UN OBJETO DE LA INVENCION ES CODIFICAR UNA SEÑAL DE IMAGEN O UNA SEÑAL DE FORMA MAS EFICIENTEMENTE QUE EN LA TECNICA ANTERIOR. COMO MEDIO PARA REALIZAR EL OBJETO, EL DETECTOR 2 DE PIXEL DE CAMBIO RECIBE LA SEÑAL DE ENTRADA 1 COMO UNA SEÑAL DE ENTRADA Y DETECTA EL PIXEL QUE CAMBIA EL VALOR DE PIXEL CON VALOR DOS. ADEMAS, UN PRONOSTICADOR 4 DE PIXEL DE CAMBIO TAMBIEN LEE LA IMAGEN DE REFERENCIA ALMACENADA EN LA MEMORIA 3 Y PRONOSTICA EL PIXEL DE CAMBIO DE LA SEÑAL DE ENTRADA PARTICULAR. EL CALCULADOR 5 DEL VALOR DIFERENCIA RESTA EL DATO DE SALIDA DEL PRONOSTICADOR 4 DE PIXEL DE CAMBIO DEL DATO DE SALIDA DEL DETECTOR 2 DE PIXEL DE CAMBIO. EL REDONDEADOR 7 DEL VALOR DE DIFERENCIA COMPARA EL VALOR DE TOLERANCIA E Y EL ERROR DE PRONOSTICO D Y EMITE X QUE REQUIERE EL NUMERO DE BITS MINIMO A SER CODIFICADO EN EL VALOR D - E MENOR/IGUAL X MENOR/IGUAL D + E. EL DATO DE SALIDA DEL REDONDEADOR 7 DEL VALOR DIFERENCIA SE CODIFICA POR EL CODIFICADOR 8 CONVIRTIENDOSE EN LA SEÑAL 9 CODIFICADA. ADEMAS, EL VALOR DE SALIDA DEL REDONDEADOR 7 DEL VALOR DIFERENCIA SE AÑADE, EN EL SUMADOR 11 DEL VALOR DIFERENCIA, AL PIXEL 4 PRONOSTICADO DEL PRONOSTICADOR 4 DEL PIXEL PRONOSTICADO, POR MEDIO DE LO CUAL SE CALCULA EL PIXEL DE CAMBIO, Y EN EL DECODIFICADOR 10 DEL PIXEL DE CAMBIO, SE DECODIFICAN LOS PIXELES RESPECTIVOS DEL PIXEL YA DECODIFICADO INDICADO POR EL PRONOSTICADOR 4 DEL PIXEL DE CAMBIO PARA EL PIXEL DE CAMBIO, SIENDO ALMACENADO EN LA MEMORIA 3.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12297296 | 1996-05-17 | ||
| JP19872096 | 1996-07-29 | ||
| JP20336396 | 1996-08-01 | ||
| JP21095596 | 1996-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2191177T3 true ES2191177T3 (es) | 2003-09-01 |
Family
ID=27470900
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES97922058T Expired - Lifetime ES2191177T3 (es) | 1996-05-17 | 1997-05-15 | Decodificador de imagenes. |
| ES01101632T Expired - Lifetime ES2192548T3 (es) | 1996-05-17 | 1997-05-15 | Aparato de decodificacion con medios de decodificacion de zona objeto y medios de decodificacion de forma. |
| ES01101633T Expired - Lifetime ES2206358T3 (es) | 1996-05-17 | 1997-05-15 | Procedimiento de codificacion de video para codificar señales de forma y de textura utilizando varias modalidades. |
| ES01101631T Expired - Lifetime ES2190995T3 (es) | 1996-05-17 | 1997-05-15 | Decodificador de video con compensacion de movimiento. |
| ES01101634T Expired - Lifetime ES2206359T3 (es) | 1996-05-17 | 1997-05-15 | Aparato de descodificacion de video para decodificar señales de forma y de textura utilizando modalidades inter/intra. |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES01101632T Expired - Lifetime ES2192548T3 (es) | 1996-05-17 | 1997-05-15 | Aparato de decodificacion con medios de decodificacion de zona objeto y medios de decodificacion de forma. |
| ES01101633T Expired - Lifetime ES2206358T3 (es) | 1996-05-17 | 1997-05-15 | Procedimiento de codificacion de video para codificar señales de forma y de textura utilizando varias modalidades. |
| ES01101631T Expired - Lifetime ES2190995T3 (es) | 1996-05-17 | 1997-05-15 | Decodificador de video con compensacion de movimiento. |
| ES01101634T Expired - Lifetime ES2206359T3 (es) | 1996-05-17 | 1997-05-15 | Aparato de descodificacion de video para decodificar señales de forma y de textura utilizando modalidades inter/intra. |
Country Status (13)
| Country | Link |
|---|---|
| US (6) | US6188796B1 (es) |
| EP (6) | EP1120975A3 (es) |
| JP (1) | JP3214705B2 (es) |
| KR (1) | KR100266345B1 (es) |
| CN (6) | CN1177485C (es) |
| BR (1) | BR9702270A (es) |
| CA (1) | CA2227062C (es) |
| DE (5) | DE69724672T2 (es) |
| ES (5) | ES2191177T3 (es) |
| ID (1) | ID17349A (es) |
| MY (1) | MY123882A (es) |
| TW (1) | TW337630B (es) |
| WO (1) | WO1997044956A1 (es) |
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| JP3191922B2 (ja) * | 1997-07-10 | 2001-07-23 | 松下電器産業株式会社 | 画像復号化方法 |
| JP3132456B2 (ja) * | 1998-03-05 | 2001-02-05 | 日本電気株式会社 | 階層的画像符号化方式、及び階層的画像復号方式 |
| US7630570B1 (en) | 1998-05-06 | 2009-12-08 | At&T Intellectual Property Ii, L.P. | Method and apparatus to prioritize video information during coding and decoding |
| EP1109409A3 (en) * | 1999-12-17 | 2011-11-30 | Canon Kabushiki Kaisha | Digital signal coding with division into tiles |
| JP3957937B2 (ja) * | 1999-12-21 | 2007-08-15 | キヤノン株式会社 | 画像処理装置及び方法並びに記憶媒体 |
| CN1215720C (zh) * | 2001-02-06 | 2005-08-17 | 皇家菲利浦电子有限公司 | 适用于任意形状目标结构的预处理方法 |
| JP2002330439A (ja) * | 2001-04-27 | 2002-11-15 | Matsushita Electric Ind Co Ltd | 画像情報の伝送装置、画像情報の伝送システム及び画像情報の伝送方法 |
| US7120277B2 (en) * | 2001-05-17 | 2006-10-10 | Koninklijke Philips Electronics N.V. | Segmentation unit for and method of determining a second segment and image processing apparatus |
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1997
- 1997-05-15 ES ES97922058T patent/ES2191177T3/es not_active Expired - Lifetime
- 1997-05-15 KR KR1019980700360A patent/KR100266345B1/ko active IP Right Grant
- 1997-05-15 CN CNB011210001A patent/CN1177485C/zh not_active Expired - Lifetime
- 1997-05-15 JP JP54199297A patent/JP3214705B2/ja not_active Expired - Lifetime
- 1997-05-15 EP EP20010101635 patent/EP1120975A3/en not_active Withdrawn
- 1997-05-15 DE DE1997624672 patent/DE69724672T2/de not_active Expired - Lifetime
- 1997-05-15 EP EP20010101634 patent/EP1120972B1/en not_active Expired - Lifetime
- 1997-05-15 DE DE1997624673 patent/DE69724673T2/de not_active Expired - Lifetime
- 1997-05-15 TW TW086106469A patent/TW337630B/zh not_active IP Right Cessation
- 1997-05-15 DE DE1997618834 patent/DE69718834T2/de not_active Expired - Lifetime
- 1997-05-15 CA CA 2227062 patent/CA2227062C/en not_active Expired - Lifetime
- 1997-05-15 ES ES01101632T patent/ES2192548T3/es not_active Expired - Lifetime
- 1997-05-15 US US09/000,077 patent/US6188796B1/en not_active Expired - Lifetime
- 1997-05-15 WO PCT/JP1997/001634 patent/WO1997044956A1/ja active IP Right Grant
- 1997-05-15 ES ES01101633T patent/ES2206358T3/es not_active Expired - Lifetime
- 1997-05-15 DE DE1997618951 patent/DE69718951T2/de not_active Expired - Lifetime
- 1997-05-15 ES ES01101631T patent/ES2190995T3/es not_active Expired - Lifetime
- 1997-05-15 EP EP20010101633 patent/EP1120971B1/en not_active Expired - Lifetime
- 1997-05-15 CN CNB011209984A patent/CN1165180C/zh not_active Expired - Lifetime
- 1997-05-15 EP EP20010101631 patent/EP1120969B1/en not_active Expired - Lifetime
- 1997-05-15 ES ES01101634T patent/ES2206359T3/es not_active Expired - Lifetime
- 1997-05-15 DE DE1997618749 patent/DE69718749T2/de not_active Expired - Lifetime
- 1997-05-15 CN CN97190732A patent/CN1097397C/zh not_active Expired - Lifetime
- 1997-05-15 EP EP97922058A patent/EP0840510B1/en not_active Expired - Lifetime
- 1997-05-15 CN CNB011209976A patent/CN1165179C/zh not_active Expired - Lifetime
- 1997-05-15 BR BR9702270A patent/BR9702270A/pt not_active Application Discontinuation
- 1997-05-15 EP EP20010101632 patent/EP1120970B1/en not_active Expired - Lifetime
- 1997-05-17 MY MYPI97002156A patent/MY123882A/en unknown
- 1997-05-19 ID ID971662A patent/ID17349A/id unknown
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2000
- 2000-08-24 US US09/643,607 patent/US6516095B1/en not_active Expired - Lifetime
- 2000-08-24 US US09/644,845 patent/US6445826B1/en not_active Expired - Lifetime
- 2000-08-24 US US09/644,749 patent/US6560372B1/en not_active Expired - Lifetime
- 2000-12-29 US US09/750,042 patent/US6661928B2/en not_active Expired - Lifetime
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2001
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