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HK1025448A1 - Apparatus for preventing rounding errors at inverse transforming of transform coefficients of a motion picture signal - Google Patents

Apparatus for preventing rounding errors at inverse transforming of transform coefficients of a motion picture signal Download PDF

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Publication number
HK1025448A1
HK1025448A1 HK00102608.0A HK00102608A HK1025448A1 HK 1025448 A1 HK1025448 A1 HK 1025448A1 HK 00102608 A HK00102608 A HK 00102608A HK 1025448 A1 HK1025448 A1 HK 1025448A1
Authority
HK
Hong Kong
Prior art keywords
block
parity
picture
dct
sum
Prior art date
Application number
HK00102608.0A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1025448B (en
Inventor
Teruhiko Suzuki
Yoichi Yagasaki
Tatsuya Sudo
Toru Okazaki
Original Assignee
Sony Corporation
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=26379647&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1025448(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from HK98114879.0A external-priority patent/HK1013575B/en
Application filed by Sony Corporation filed Critical Sony Corporation
Priority to HK00102608.0A priority Critical patent/HK1025448B/en
Publication of HK1025448A1 publication Critical patent/HK1025448A1/en
Publication of HK1025448B publication Critical patent/HK1025448B/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • 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
    • H04N19/169—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
    • H04N19/42—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
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Discrete Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
  • Complex Calculations (AREA)
  • Error Detection And Correction (AREA)
  • Television Signal Processing For Recording (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Detection And Correction Of Errors (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Color Television Image Signal Generators (AREA)
HK00102608.0A 1993-03-01 2000-04-28 Apparatus for preventing rounding errors at inverse transforming of transform coefficients of a motion picture signal HK1025448B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HK00102608.0A HK1025448B (en) 1993-03-01 2000-04-28 Apparatus for preventing rounding errors at inverse transforming of transform coefficients of a motion picture signal

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4020393 1993-03-01
JP4020393 1993-03-01
JP5990993 1993-03-19
JP5990993 1993-03-19
HK98114879.0A HK1013575B (en) 1993-03-01 1994-03-01 Methods for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed
HK00102608.0A HK1025448B (en) 1993-03-01 2000-04-28 Apparatus for preventing rounding errors at inverse transforming of transform coefficients of a motion picture signal

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
HK98114879.0A Addition HK1013575B (en) 1993-03-01 1994-03-01 Methods for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed

Related Child Applications (1)

Application Number Title Priority Date Filing Date
HK98114879.0A Division HK1013575B (en) 1993-03-01 1994-03-01 Methods for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed

Publications (2)

Publication Number Publication Date
HK1025448A1 true HK1025448A1 (en) 2000-11-10
HK1025448B HK1025448B (en) 2013-02-01

Family

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Also Published As

Publication number Publication date
CN1076935C (zh) 2001-12-26
GR3032133T3 (en) 2000-04-27
CA2134444C (en) 2003-10-14
NO944138L (no) 1994-12-23
DE69433272D1 (de) 2003-11-27
DE69421135D1 (de) 1999-11-18
EP2276259B1 (en) 2012-08-22
PT954182E (pt) 2012-09-03
DE69433272T2 (de) 2004-08-12
ES2389766T3 (es) 2012-10-31
PL306007A1 (en) 1995-02-20
EP2276258B1 (en) 2012-09-05
DK0903944T3 (da) 2004-03-01
ATE252806T1 (de) 2003-11-15
KR950701486A (ko) 1995-03-23
PL173287B1 (pl) 1998-02-27
FI112579B (fi) 2003-12-15
AU6116194A (en) 1994-09-26
ES2137358T3 (es) 1999-12-16
ES2209032T3 (es) 2004-06-16
EP0954182A1 (en) 1999-11-03
FI945106A7 (fi) 1994-12-30
HU217744B (hu) 2000-04-28
IL108787A (en) 1997-07-13
RU2119727C1 (ru) 1998-09-27
EP0954182B1 (en) 2012-07-11
AU673244B2 (en) 1996-10-31
EP2276258A2 (en) 2011-01-19
JP2001292451A (ja) 2001-10-19
TR28436A (tr) 1996-06-24
CA2134444A1 (en) 1994-09-15
BR9404321A (pt) 1999-07-27
EP0638218B1 (en) 1999-10-13
KR100287490B1 (ko) 2001-04-16
JP3610578B2 (ja) 2005-01-12
NO20010762D0 (no) 2001-02-15
ES2389797T3 (es) 2012-10-31
MY110794A (en) 1999-04-30
PT2276259E (pt) 2012-09-20
EP0903944A3 (en) 2000-04-05
RO115926B1 (ro) 2000-07-28
ES2389718T3 (es) 2012-10-30
EP0903944B1 (en) 2003-10-22
PT2276258E (pt) 2012-09-20
FI945106A0 (fi) 1994-10-31
US5481553A (en) 1996-01-02
NO944138D0 (no) 1994-10-31
EP2276259A2 (en) 2011-01-19
US5590139A (en) 1996-12-31
EP0903944A2 (en) 1999-03-24
HK1013575A1 (en) 1999-08-27
OA10108A (en) 1996-12-18
HU9403127D0 (en) 1995-02-28
DK0954182T3 (da) 2012-09-24
EP2276259A3 (en) 2012-03-07
DK2276258T3 (da) 2012-09-17
EP2276258A3 (en) 2012-03-07
NO314710B1 (no) 2003-05-05
CN1106988A (zh) 1995-08-16
NZ261907A (en) 1996-09-25
DE69421135T2 (de) 2000-05-25
JP3593988B2 (ja) 2004-11-24
TW224553B (en) 1994-06-01
EG20330A (en) 1998-10-31
DK0638218T3 (da) 2000-01-31
DK2276259T3 (da) 2012-09-17
EP0638218A1 (en) 1995-02-15
NO314709B1 (no) 2003-05-05
ATE185663T1 (de) 1999-10-15
NO20010762L (no) 1994-12-23
PT903944E (pt) 2004-03-31
HUT76452A (en) 1997-09-29
JPH07506954A (ja) 1995-07-27
WO1994021083A1 (en) 1994-09-15

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Effective date: 20140228