HK1108786A1 - Method for reduced bit-depth quantization - Google Patents

Method for reduced bit-depth quantization

Info

Publication number
HK1108786A1
HK1108786A1 HK08101547.8A HK08101547A HK1108786A1 HK 1108786 A1 HK1108786 A1 HK 1108786A1 HK 08101547 A HK08101547 A HK 08101547A HK 1108786 A1 HK1108786 A1 HK 1108786A1
Authority
HK
Hong Kong
Prior art keywords
quantization
forming
coefficient
factors
recursive
Prior art date
Application number
HK08101547.8A
Other languages
English (en)
Inventor
Louis Joseph Kerofsky
Original Assignee
Sharp Kk
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=HK1108786(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sharp Kk filed Critical Sharp Kk
Publication of HK1108786A1 publication Critical patent/HK1108786A1/xx

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)
  • Television Signal Processing For Recording (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Analogue/Digital Conversion (AREA)
HK08101547.8A 2001-08-09 2005-04-07 Method for reduced bit-depth quantization HK1108786A1 (en)

Applications Claiming Priority (4)

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
HK05102900.0A HK1070479A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization

Publications (1)

Publication Number Publication Date
HK1108786A1 true HK1108786A1 (en) 2008-05-16

Family

ID=27385275

Family Applications (5)

Application Number Title Priority Date Filing Date
HK08101515.6A HK1108785A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization
HK08101547.8A HK1108786A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization
HK05102900.0A HK1070479A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization
HK09106972.0A HK1129014A1 (en) 2001-08-09 2009-07-29 Method for reduced bit-depth quantization
HK09106973.9A HK1129015A1 (en) 2001-08-09 2009-07-29 Method for reduced bit-depth quantization

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK08101515.6A HK1108785A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization

Family Applications After (3)

Application Number Title Priority Date Filing Date
HK05102900.0A HK1070479A1 (en) 2001-08-09 2005-04-07 Method for reduced bit-depth quantization
HK09106972.0A HK1129014A1 (en) 2001-08-09 2009-07-29 Method for reduced bit-depth quantization
HK09106973.9A HK1129015A1 (en) 2001-08-09 2009-07-29 Method for reduced bit-depth quantization

Country Status (14)

Country Link
US (15) US7123655B2 (es)
EP (6) EP2262114B1 (es)
JP (16) JP3678365B2 (es)
KR (3) KR100811986B1 (es)
CN (5) CN101087421B (es)
AT (2) ATE549861T1 (es)
CA (12) CA2841701C (es)
CY (2) CY1120067T1 (es)
DE (1) DE60232681D1 (es)
DK (5) DK3121966T3 (es)
ES (6) ES2328118T3 (es)
HK (5) HK1108785A1 (es)
PT (5) PT2262113T (es)
WO (1) WO2003017497A1 (es)

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KR20040076034A (ko) * 2003-02-24 2004-08-31 삼성전자주식회사 동 영상의 가변 비트율 부호화 방법 및 장치
JP4222121B2 (ja) 2003-06-20 2009-02-12 大正製薬株式会社 中仕切り挿入装置
KR20090063761A (ko) 2007-12-14 2009-06-18 삼성전자주식회사 표시 장치
JP2010052603A (ja) * 2008-08-28 2010-03-11 Iseki & Co Ltd 作業車両の走行装置

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