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Predictive sub-band video coding and decoding using motion compensation

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/32
출원번호 US-0740205 (1996-10-24)
우선권정보 JP-0279425 (1995-10-26)
발명자 / 주소
  • Ogata Masami,JPX
  • Suzuki Teruhiko,JPX
  • Tong Tak Yen,JPX
출원인 / 주소
  • Sony Corporation, JPX
대리인 / 주소
    Frommer Lawrence & Haug LLPFrommer
인용정보 피인용 횟수 : 84  인용 특허 : 5

초록

A method and apparatus for sub-band encoding an input signal in which ringing may be diminished. When performing a number of wavelet transform operations by sub-band encoding, filtering the of signals is done with a small number of taps with increased number of times of spectrum splitting so far mad

대표청구항

[ What is claimed is:] [7.] A method for encoding a picture said defining a picture, comprising the steps of:detecting a motion vector from said picture signal;spectrum dividing said picture signal using a sub-band transform to generate a number of sub-band coefficients;calculating a difference valu

이 특허에 인용된 특허 (5)

  1. Wilkinson James H. (Tadley GBX), Apparatus for compressing image data employing entropy encoding of data scanned from a plurality of spatial frequency ba.
  2. Gillard Clive H. (Basingstoke GBX) Wilkinson James H. (Tadley GBX) Ludgate Michael J. (Basingstoke GBX) Soloff Jonathan M. (Basingstoke GBX) Bhandari Rajan (Basingstoke GBX) Hurley Terence R. (Bridge, Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks.
  3. Zhang Ya-Qin (Acton MA) Zafar Sohail (Fairfax VA), Inter-frame wavelet transform coder for color video compression.
  4. Sakamoto Takayuki (Kanagawa JPX), Picture data processing apparatus.
  5. Dachiku Kenshi (Tokyo JPX) Yamaguchi Shogo (Tokyo JPX) Ozeki Kazuo (Tokyo JPX) Takahashi Katsumi (Tokyo JPX) Omokawa Mitsunori (Tokyo JPX) Kuratate Takaaki (Tokyo JPX), Video encoder using global motion estimation and polygonal patch motion estimation.

이 특허를 인용한 특허 (84)

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  48. Segall, Christopher A., Methods and systems for maintenance and use of coded block pattern information.
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