BRPI0907209A2 - Quantização com base em modelagem de taxa de distorção para codificadores cabac. - Google Patents

Quantização com base em modelagem de taxa de distorção para codificadores cabac.

Info

Publication number
BRPI0907209A2
BRPI0907209A2 BRPI0907209-8A BRPI0907209A BRPI0907209A2 BR PI0907209 A2 BRPI0907209 A2 BR PI0907209A2 BR PI0907209 A BRPI0907209 A BR PI0907209A BR PI0907209 A2 BRPI0907209 A2 BR PI0907209A2
Authority
BR
Brazil
Prior art keywords
distortion rate
quantization based
rate modeling
cabac encoders
cabac
Prior art date
Application number
BRPI0907209-8A
Other languages
English (en)
Inventor
Marta Karczewicz
Yan Ye
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0907209A2 publication Critical patent/BRPI0907209A2/pt

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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/18—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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0907209-8A 2008-01-08 2009-01-08 Quantização com base em modelagem de taxa de distorção para codificadores cabac. BRPI0907209A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1983008P 2008-01-08 2008-01-08
US3045408P 2008-02-21 2008-02-21
US12/340,205 US8891615B2 (en) 2008-01-08 2008-12-19 Quantization based on rate-distortion modeling for CABAC coders
PCT/US2009/030465 WO2009089370A1 (en) 2008-01-08 2009-01-08 Quantization based on rate-distortion modeling for cabac coders

Publications (1)

Publication Number Publication Date
BRPI0907209A2 true BRPI0907209A2 (pt) 2015-07-14

Family

ID=40844521

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0907209-8A BRPI0907209A2 (pt) 2008-01-08 2009-01-08 Quantização com base em modelagem de taxa de distorção para codificadores cabac.

Country Status (10)

Country Link
US (1) US8891615B2 (pt)
EP (2) EP2243296B1 (pt)
JP (1) JP5290325B2 (pt)
KR (1) KR101177737B1 (pt)
CN (1) CN101911702B (pt)
BR (1) BRPI0907209A2 (pt)
CA (1) CA2709711C (pt)
RU (1) RU2475999C2 (pt)
TW (1) TWI457002B (pt)
WO (1) WO2009089370A1 (pt)

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Also Published As

Publication number Publication date
WO2009089370A1 (en) 2009-07-16
EP2243296A1 (en) 2010-10-27
US8891615B2 (en) 2014-11-18
JP5290325B2 (ja) 2013-09-18
KR101177737B1 (ko) 2012-08-28
RU2475999C2 (ru) 2013-02-20
TW201004354A (en) 2010-01-16
EP2824929A2 (en) 2015-01-14
EP2243296B1 (en) 2017-03-01
CN101911702A (zh) 2010-12-08
JP2011509642A (ja) 2011-03-24
KR20100102701A (ko) 2010-09-24
CA2709711C (en) 2013-05-14
CN101911702B (zh) 2012-07-25
RU2010133239A (ru) 2012-02-20
CA2709711A1 (en) 2009-07-16
US20090175332A1 (en) 2009-07-09
TWI457002B (zh) 2014-10-11
EP2824929A3 (en) 2015-06-10

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FR2914669B1 (fr) Escalier escamotable.
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