PT2262113T - Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação - Google Patents

Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação

Info

Publication number
PT2262113T
PT2262113T PT101796308T PT10179630T PT2262113T PT 2262113 T PT2262113 T PT 2262113T PT 101796308 T PT101796308 T PT 101796308T PT 10179630 T PT10179630 T PT 10179630T PT 2262113 T PT2262113 T PT 2262113T
Authority
PT
Portugal
Prior art keywords
quantization
mantissa
forming
integer transform
coefficient
Prior art date
Application number
PT101796308T
Other languages
English (en)
Portuguese (pt)
Inventor
Joseph Kerofsky Louis
Original Assignee
Dolby Int Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27385275&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT2262113(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Int Ab filed Critical Dolby Int Ab
Publication of PT2262113T publication Critical patent/PT2262113T/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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes
    • 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
    • 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
    • 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
    • H04N19/176—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
    • H04N19/169—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

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)
  • Image Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Television Signal Processing For Recording (AREA)
  • Analogue/Digital Conversion (AREA)
PT101796308T 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação PT2262113T (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31143601P 2001-08-09 2001-08-09
US31901801P 2001-11-30 2001-11-30
US10/139,036 US7123655B2 (en) 2001-08-09 2002-05-02 Method for reduced bit-depth quantization

Publications (1)

Publication Number Publication Date
PT2262113T true PT2262113T (pt) 2017-04-03

Family

ID=27385275

Family Applications (5)

Application Number Title Priority Date Filing Date
PT101796308T PT2262113T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação
PT60190337T PT1753243T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação
PT101796365T PT2262114T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação
PT05008245T PT1587216E (pt) 2001-08-09 2002-08-08 Quantificação e normalização de transformada inteira conjuntas utilizando uma representação mantissa-expoente de um parâmetro de quantificação
PT161863535T PT3121966T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação

Family Applications After (4)

Application Number Title Priority Date Filing Date
PT60190337T PT1753243T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação
PT101796365T PT2262114T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação
PT05008245T PT1587216E (pt) 2001-08-09 2002-08-08 Quantificação e normalização de transformada inteira conjuntas utilizando uma representação mantissa-expoente de um parâmetro de quantificação
PT161863535T PT3121966T (pt) 2001-08-09 2002-08-08 Combinação de quantificação e de transformação de números inteiros usando uma representação mantissa-expoente do parâmetro de quantificação

Country Status (13)

Country Link
US (15) US7123655B2 (enExample)
EP (6) EP1753243B1 (enExample)
JP (16) JP3678365B2 (enExample)
KR (3) KR100811986B1 (enExample)
CN (5) CN100442669C (enExample)
AT (2) ATE549861T1 (enExample)
CA (12) CA2454626C (enExample)
CY (2) CY1120069T1 (enExample)
DE (1) DE60232681D1 (enExample)
DK (5) DK1459449T3 (enExample)
ES (6) ES2662250T3 (enExample)
PT (5) PT2262113T (enExample)
WO (1) WO2003017497A1 (enExample)

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