SG10201406196PA - Image Decoding Device, Image Encoding Device, And Method Thereof - Google Patents

Image Decoding Device, Image Encoding Device, And Method Thereof

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Publication number
SG10201406196PA
SG10201406196PA SG10201406196PA SG10201406196PA SG10201406196PA SG 10201406196P A SG10201406196P A SG 10201406196PA SG 10201406196P A SG10201406196P A SG 10201406196PA SG 10201406196P A SG10201406196P A SG 10201406196PA SG 10201406196P A SG10201406196P A SG 10201406196PA
Authority
SG
Singapore
Prior art keywords
quantization parameter
image
image encoding
decoded
block
Prior art date
Application number
SG10201406196PA
Inventor
Kenji Kondo
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of SG10201406196PA publication Critical patent/SG10201406196PA/en

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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

- 136 - IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, AND METHOD A lossless decoding unit 52 takes quantization parameters of decoded blocks spatially or temporally adjacent to a block to be decoded, as selection candidates, and extracts, from stream information, difference information indicating difference as to a prediction quantization parameter selected from the selection candidates. A quantization parameter calculating unit 59 calculates, from the prediction quantization parameter and the difference information, a quantization parameter of the block to be decoded. Thus, decoding of the image can be performed correctly by calculating a quantization parameter equal to a quantization parameter used at the time of image encoding. Figure 18
SG10201406196PA 2011-01-24 2012-01-12 Image Decoding Device, Image Encoding Device, And Method Thereof SG10201406196PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011011861 2011-01-24
JP2011153183A JP6056122B2 (en) 2011-01-24 2011-07-11 Image encoding apparatus, image decoding apparatus, method and program thereof

Publications (1)

Publication Number Publication Date
SG10201406196PA true SG10201406196PA (en) 2014-12-30

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SG2013054408A SG191994A1 (en) 2011-01-24 2012-01-12 Image decoding device, image encoding device, and method thereof
SG10201406196PA SG10201406196PA (en) 2011-01-24 2012-01-12 Image Decoding Device, Image Encoding Device, And Method Thereof

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SG2013054408A SG191994A1 (en) 2011-01-24 2012-01-12 Image decoding device, image encoding device, and method thereof

Country Status (16)

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US (5) US9560348B2 (en)
EP (2) EP2645717A4 (en)
JP (1) JP6056122B2 (en)
KR (2) KR101858289B1 (en)
CN (6) CN107087190B (en)
AU (6) AU2012210001B2 (en)
BR (1) BR112013018305B1 (en)
CA (1) CA2823024C (en)
CO (1) CO6731124A2 (en)
MX (2) MX2013008289A (en)
MY (2) MY177870A (en)
RU (4) RU2719453C1 (en)
SG (2) SG191994A1 (en)
TW (1) TWI495350B (en)
WO (1) WO2012102088A1 (en)
ZA (1) ZA201304818B (en)

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US8787453B2 (en) 2014-07-22
EP2645717A1 (en) 2013-10-02
BR112013018305B1 (en) 2022-10-11
CN107087190A (en) 2017-08-22
CN106878738A (en) 2017-06-20
EP3512198A1 (en) 2019-07-17
WO2012102088A1 (en) 2012-08-02
CA2823024C (en) 2018-01-02
TWI495350B (en) 2015-08-01
AU2012210001B2 (en) 2016-07-21
KR20180053425A (en) 2018-05-21
MY158425A (en) 2016-10-14
AU2016234951B2 (en) 2018-01-04
KR101858289B1 (en) 2018-05-15
US20200336743A1 (en) 2020-10-22
US20130266233A1 (en) 2013-10-10
CA2823024A1 (en) 2012-08-02
AU2020203010B2 (en) 2021-01-28
AU2020203010A1 (en) 2020-05-28
AU2016234951A1 (en) 2016-10-13
RU2020108486A (en) 2021-08-27
RU2013132921A (en) 2015-01-27
AU2019200515A1 (en) 2019-02-14
EP2645717A4 (en) 2016-07-27
AU2018201382A1 (en) 2018-03-15
RU2020108522A (en) 2021-08-27
BR112013018305A2 (en) 2020-07-28
RU2615675C2 (en) 2017-04-06
KR20140029381A (en) 2014-03-10
MX336094B (en) 2016-01-08
MX2013008289A (en) 2013-09-13
MY177870A (en) 2020-09-23
RU2719453C1 (en) 2020-04-17
CN110839154A (en) 2020-02-25
CN103329536B (en) 2017-02-15
CO6731124A2 (en) 2013-08-15
US20130301710A1 (en) 2013-11-14
AU2019200515B2 (en) 2020-02-06
ZA201304818B (en) 2013-09-25
KR101965119B1 (en) 2019-04-02
US10419761B2 (en) 2019-09-17
JP6056122B2 (en) 2017-01-11
CN103329536A (en) 2013-09-25
AU2018201382B2 (en) 2018-11-08
JP2012170042A (en) 2012-09-06
US20180063530A1 (en) 2018-03-01
US9560348B2 (en) 2017-01-31
SG191994A1 (en) 2013-08-30
US20190327471A1 (en) 2019-10-24
CN107087191A (en) 2017-08-22
CN106878738B (en) 2019-11-08
CN107087191B (en) 2020-01-07
TW201242377A (en) 2012-10-16
AU2021201931A1 (en) 2021-04-29
AU2012210001A1 (en) 2013-07-04
CN110602497B (en) 2021-11-30
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CN107087190B (en) 2020-04-21

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