CO6731124A2 - Dispositivo de decodificación de imagen, dispositivo de codificación y método del mismo - Google Patents
Dispositivo de decodificación de imagen, dispositivo de codificación y método del mismoInfo
- Publication number
- CO6731124A2 CO6731124A2 CO13174125A CO13174125A CO6731124A2 CO 6731124 A2 CO6731124 A2 CO 6731124A2 CO 13174125 A CO13174125 A CO 13174125A CO 13174125 A CO13174125 A CO 13174125A CO 6731124 A2 CO6731124 A2 CO 6731124A2
- Authority
- CO
- Colombia
- Prior art keywords
- quantization parameter
- image decoding
- decoded
- calculates
- block
- Prior art date
Links
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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/008—Vector quantisation
-
- 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
- H04N19/124—Quantisation
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
Una unidad de decodificación sin pérdidas 52 toma parámetros de cuantización de bloques decodificados espacialmente o temporalmente adyacentes a un bloque a ser decodificado, como candidatos de selección, y extrae, a partir de la información de la corriente, la información de la diferencia que indica la diferencia en cuanto a un parámetro de cuantización de predicción seleccionado de entre los candidatos de selección. Una unidad que cálculo del parámetro de cuantización 59 calcula, a partir del parámetro de cuantización de predicción y la información de la diferencia, un parámetro de cuantización del bloque a decodificar. Por lo tanto, la decodificación de la imagen puede efectuarse correctamente mediante el cálculo de un parámetro de cuantización igual a un parámetro de cuantización utilizado en el momento de la codificación de imagen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011011861 | 2011-01-24 | ||
JP2011153183A JP6056122B2 (ja) | 2011-01-24 | 2011-07-11 | 画像符号化装置と画像復号装置およびその方法とプログラム |
Publications (1)
Publication Number | Publication Date |
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CO6731124A2 true CO6731124A2 (es) | 2013-08-15 |
Family
ID=46580661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO13174125A CO6731124A2 (es) | 2011-01-24 | 2013-07-23 | Dispositivo de decodificación de imagen, dispositivo de codificación y método del mismo |
Country Status (16)
Country | Link |
---|---|
US (5) | US9560348B2 (es) |
EP (2) | EP2645717A4 (es) |
JP (1) | JP6056122B2 (es) |
KR (2) | KR101965119B1 (es) |
CN (6) | CN107087190B (es) |
AU (6) | AU2012210001B2 (es) |
BR (1) | BR112013018305B1 (es) |
CA (1) | CA2823024C (es) |
CO (1) | CO6731124A2 (es) |
MX (2) | MX2013008289A (es) |
MY (2) | MY177870A (es) |
RU (4) | RU2615675C2 (es) |
SG (2) | SG10201406196PA (es) |
TW (1) | TWI495350B (es) |
WO (1) | WO2012102088A1 (es) |
ZA (1) | ZA201304818B (es) |
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2011
- 2011-07-11 JP JP2011153183A patent/JP6056122B2/ja active Active
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2012
- 2012-01-09 TW TW101100845A patent/TWI495350B/zh active
- 2012-01-12 CN CN201710014850.0A patent/CN107087190B/zh active Active
- 2012-01-12 US US13/994,247 patent/US9560348B2/en active Active
- 2012-01-12 CN CN201280005652.3A patent/CN103329536B/zh active Active
- 2012-01-12 EP EP12738835.3A patent/EP2645717A4/en not_active Ceased
- 2012-01-12 WO PCT/JP2012/050456 patent/WO2012102088A1/ja active Application Filing
- 2012-01-12 CN CN201710014960.7A patent/CN107087191B/zh active Active
- 2012-01-12 KR KR1020187013098A patent/KR101965119B1/ko active IP Right Grant
- 2012-01-12 SG SG10201406196PA patent/SG10201406196PA/en unknown
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