IN2014CN03430A - - Google Patents
Info
- Publication number
- IN2014CN03430A IN2014CN03430A IN3430CHN2014A IN2014CN03430A IN 2014CN03430 A IN2014CN03430 A IN 2014CN03430A IN 3430CHN2014 A IN3430CHN2014 A IN 3430CHN2014A IN 2014CN03430 A IN2014CN03430 A IN 2014CN03430A
- Authority
- IN
- India
- Prior art keywords
- partition
- video data
- block
- cabac
- encoding
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- H03M7/4012—Binary arithmetic codes
- H03M7/4018—Context adapative binary arithmetic codes [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
- H04N19/102—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
-
- 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]
-
- 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
-
- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
A reduction in the number of binarizations and/or contexts used in context adaptive binary arithmetic coding (CABAC) for video coding is proposed. In particular this disclosure proposes techniques that may lower the number of contexts used in CABAC by up to 56. A method of encoding video data comprising: determining a partition type for a prediction mode for a block of video data; encoding a partition type bin of a prediction type syntax element for the block of video data using context adaptive binary arithmetic coding (CABAC) with a single context wherein the single context is the same for any partition type; and encoding a partition size bin of the prediction type syntax clement for the block of video data using CABAC in bypass mode. The partition type is an asymmetric partition. The partition type bin indicates whether the asymmetric partition is vertically partitioned or horizontally partitioned. The partition size bin indicates whether a first partition is one quarter of a size of the block of video data or whether the first partition is three quarters of the size of the block of video data. Also encoding apparatus and decoding method and apparatus.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161557325P | 2011-11-08 | 2011-11-08 | |
US201161561911P | 2011-11-20 | 2011-11-20 | |
US13/645,308 US9451287B2 (en) | 2011-11-08 | 2012-10-04 | Context reduction for context adaptive binary arithmetic coding |
PCT/US2012/059095 WO2013070354A1 (en) | 2011-11-08 | 2012-10-05 | Number of contexts reduction for context adaptive binary arithmetic coding |
Publications (1)
Publication Number | Publication Date |
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IN2014CN03430A true IN2014CN03430A (en) | 2015-07-03 |
Family
ID=48223670
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN3430CHN2014 IN2014CN03430A (en) | 2011-11-08 | 2012-10-05 | |
IN3460CHN2014 IN2014CN03460A (en) | 2011-11-08 | 2012-10-05 | |
IN3388CHN2014 IN2014CN03388A (en) | 2011-11-08 | 2012-10-05 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN3460CHN2014 IN2014CN03460A (en) | 2011-11-08 | 2012-10-05 | |
IN3388CHN2014 IN2014CN03388A (en) | 2011-11-08 | 2012-10-05 |
Country Status (21)
Country | Link |
---|---|
US (5) | US9451287B2 (en) |
EP (4) | EP2777162B1 (en) |
JP (3) | JP5964448B2 (en) |
KR (3) | KR101633201B1 (en) |
CN (3) | CN103999367B (en) |
AU (3) | AU2012336234B2 (en) |
BR (3) | BR112014011063B1 (en) |
CA (3) | CA2854814C (en) |
DK (2) | DK2777160T5 (en) |
ES (3) | ES2550803T3 (en) |
HK (2) | HK1198401A1 (en) |
HU (2) | HUE026070T2 (en) |
IL (7) | IL232287A (en) |
IN (3) | IN2014CN03430A (en) |
MY (4) | MY166487A (en) |
PL (2) | PL2777162T3 (en) |
PT (2) | PT2777160E (en) |
RU (1) | RU2602380C2 (en) |
SG (3) | SG11201401687XA (en) |
WO (3) | WO2013070353A1 (en) |
ZA (2) | ZA201404184B (en) |
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2012
- 2012-10-04 US US13/645,308 patent/US9451287B2/en active Active
- 2012-10-04 US US13/645,330 patent/US9288508B2/en active Active
- 2012-10-04 US US13/645,296 patent/US9237358B2/en active Active
- 2012-10-05 JP JP2014541071A patent/JP5964448B2/en active Active
- 2012-10-05 DK DK12780349.2T patent/DK2777160T5/en active
- 2012-10-05 ES ES12780349.2T patent/ES2550803T3/en active Active
- 2012-10-05 HU HUE12780349A patent/HUE026070T2/en unknown
- 2012-10-05 EP EP12791589.0A patent/EP2777162B1/en active Active
- 2012-10-05 CA CA2854814A patent/CA2854814C/en active Active
- 2012-10-05 AU AU2012336234A patent/AU2012336234B2/en active Active
- 2012-10-05 PL PL12791589T patent/PL2777162T3/en unknown
- 2012-10-05 EP EP18196419.8A patent/EP3442126A1/en active Pending
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