FI945106A0 - Förfarande och anordning för förebyggande av avrundningsfel vid invers transformering av en transformeringskoefficient representerande en rörelsebildsignal - Google Patents

Förfarande och anordning för förebyggande av avrundningsfel vid invers transformering av en transformeringskoefficient representerande en rörelsebildsignal

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Publication number
FI945106A0
FI945106A0 FI945106A FI945106A FI945106A0 FI 945106 A0 FI945106 A0 FI 945106A0 FI 945106 A FI945106 A FI 945106A FI 945106 A FI945106 A FI 945106A FI 945106 A0 FI945106 A0 FI 945106A0
Authority
FI
Finland
Prior art keywords
parity
picture signal
motion picture
transform
transform coefficients
Prior art date
Application number
FI945106A
Other languages
English (en)
Finnish (fi)
Other versions
FI945106A (sv
FI112579B (sv
Inventor
Teruhiko Suzuki
Yoichi Yagasaki
Tatsuya Sudo
Toru Okazaki
Original Assignee
Sony Corp
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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=FI945106(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Publication of FI945106A0 publication Critical patent/FI945106A0/sv
Publication of FI945106A publication Critical patent/FI945106A/sv
Application granted granted Critical
Publication of FI112579B publication Critical patent/FI112579B/sv

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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)
  • Multimedia (AREA)
  • Signal Processing (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)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Signal Processing For Recording (AREA)
  • Complex Calculations (AREA)
  • Error Detection And Correction (AREA)
  • Image Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Detection And Correction Of Errors (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Color Television Image Signal Generators (AREA)
FI945106A 1993-03-01 1994-10-31 Förfarande och anordning, med vilka avrundningsfel undvikes vid inverstransformering av transformeringskoefficienter som representerar en filmsignal FI112579B (sv)

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
JP9400329 1994-03-01
PCT/JP1994/000329 WO1994021083A1 (en) 1993-03-01 1994-03-01 Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed

Publications (3)

Publication Number Publication Date
FI945106A0 true FI945106A0 (sv) 1994-10-31
FI945106A FI945106A (sv) 1994-12-30
FI112579B FI112579B (sv) 2003-12-15

Family

ID=26379647

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945106A FI112579B (sv) 1993-03-01 1994-10-31 Förfarande och anordning, med vilka avrundningsfel undvikes vid inverstransformering av transformeringskoefficienter som representerar en filmsignal

Country Status (29)

Country Link
US (2) US5481553A (sv)
EP (5) EP0903944B1 (sv)
JP (2) JP3610578B2 (sv)
KR (1) KR100287490B1 (sv)
CN (1) CN1076935C (sv)
AT (2) ATE252806T1 (sv)
AU (1) AU673244B2 (sv)
BR (1) BR9404321A (sv)
CA (1) CA2134444C (sv)
DE (2) DE69433272T2 (sv)
DK (5) DK2276258T3 (sv)
EG (1) EG20330A (sv)
ES (5) ES2209032T3 (sv)
FI (1) FI112579B (sv)
GR (1) GR3032133T3 (sv)
HK (2) HK1013575A1 (sv)
HU (1) HU217744B (sv)
IL (1) IL108787A (sv)
MY (1) MY110794A (sv)
NO (2) NO314709B1 (sv)
NZ (1) NZ261907A (sv)
OA (1) OA10108A (sv)
PL (1) PL173287B1 (sv)
PT (4) PT2276258E (sv)
RO (1) RO115926B1 (sv)
RU (1) RU2119727C1 (sv)
TR (1) TR28436A (sv)
TW (1) TW224553B (sv)
WO (1) WO1994021083A1 (sv)

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