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Inter-frame wavelet transform coder for color video compression 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/30
출원번호 US-0117518 (1993-09-03)
발명자 / 주소
  • Zhang Ya-Qin (Acton MA) Zafar Sohail (Fairfax VA)
출원인 / 주소
  • GTE Laboratories Incorporated (Waltham MA 02)
인용정보 피인용 횟수 : 113  인용 특허 : 0

초록

A video coding scheme based on wavelet representation performs motion compensation in the wavelet domain rather than spatial domain. This inter-frame wavelet transform coding scheme preferably uses a variable-size multi-resolution motion compensation (MRMC) prediction scheme. The MRMC scheme produce

대표청구항

A method of coding a video signal frame f(t), comprising the steps of: deriving a wavelet representation of a signal defined by a plurality of wavelets each corresponding to a subframe having a resolution; estimating motion vectors for each of said plurality of wavelets to produce a set of displaced

이 특허를 인용한 특허 (113)

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