MX348485B - Aparato para codificar imagen. - Google Patents
Aparato para codificar imagen.Info
- Publication number
- MX348485B MX348485B MX2015004587A MX2015004587A MX348485B MX 348485 B MX348485 B MX 348485B MX 2015004587 A MX2015004587 A MX 2015004587A MX 2015004587 A MX2015004587 A MX 2015004587A MX 348485 B MX348485 B MX 348485B
- Authority
- MX
- Mexico
- Prior art keywords
- current block
- reference pixels
- encoding device
- filtered
- residual blocks
- Prior art date
Links
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000013139 quantization Methods 0.000 abstract 1
Classifications
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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
- H04N19/10—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
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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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
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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
- H04N19/10—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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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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
- H04N19/10—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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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
- H04N19/10—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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
- H04N19/10—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]
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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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
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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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/10—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
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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
- H04N19/10—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
- H04N19/18—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 set of transform coefficients
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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
- 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
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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
- H04N19/90—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
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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
- H04N19/90—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
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Se describe un dispositivo de codificación de video para mantener alta calidad de imagen y aumentar la velocidad de compresión de una señal de video. Con el fin de maximizar el número de bits necesarios para bloques residuales, los coeficientes de transformada cuantificados de conformidad con el tamaño de un bloque de codificación de transformada se dividen de forma adaptable en una pluralidad de subgrupos, y los coeficientes de cuantificación que no son cero se escanean y codifican en cada unidad de subgrupo. Además, después que se han filtrado píxeles de referencia válidos de un bloque actual, que están adyacentes al bloque actual, y píxeles de referencia generados, se determina un modo de intra predicción del bloque actual al utilizar los pixeles de referencia filtrados. De esa forma, se minimiza una cantidad de datos requeridos para bloques residuales del bloque actual.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100038158 | 2010-04-23 | ||
PCT/KR2011/002972 WO2011133002A2 (ko) | 2010-04-23 | 2011-04-22 | 영상 부호화 장치 및 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX348485B true MX348485B (es) | 2017-06-15 |
Family
ID=44834700
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015004590A MX348484B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004584A MX348486B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004587A MX348485B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004581A MX348487B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004591A MX348488B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2012012333A MX2012012333A (es) | 2010-04-23 | 2011-04-22 | Aparato y metodo para codificar imagen. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015004590A MX348484B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004584A MX348486B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015004581A MX348487B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2015004591A MX348488B (es) | 2010-04-23 | 2011-04-22 | Aparato para codificar imagen. |
MX2012012333A MX2012012333A (es) | 2010-04-23 | 2011-04-22 | Aparato y metodo para codificar imagen. |
Country Status (28)
Country | Link |
---|---|
US (11) | US9100651B2 (es) |
EP (8) | EP2947878B1 (es) |
JP (8) | JP5688136B2 (es) |
KR (10) | KR101376136B1 (es) |
CN (11) | CN104601998B (es) |
AU (6) | AU2011243334B2 (es) |
BR (6) | BR122014030030A2 (es) |
CA (9) | CA2934942C (es) |
CY (6) | CY1116723T1 (es) |
DK (6) | DK2945382T3 (es) |
ES (8) | ES2602677T3 (es) |
HR (6) | HRP20150964T1 (es) |
HU (8) | HUE031188T2 (es) |
IL (6) | IL222579A (es) |
LT (5) | LT2950534T (es) |
MX (6) | MX348484B (es) |
MY (11) | MY162154A (es) |
PE (8) | PE20170650A1 (es) |
PH (5) | PH12014501184B1 (es) |
PL (8) | PL2945382T3 (es) |
PT (6) | PT2563020E (es) |
RS (6) | RS55261B1 (es) |
RU (7) | RU2549157C1 (es) |
SG (11) | SG185371A1 (es) |
SI (6) | SI2950534T1 (es) |
SM (2) | SMT201500244B (es) |
WO (1) | WO2011133002A2 (es) |
ZA (1) | ZA201208766B (es) |
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