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Extended hybrid variable length coding of transform coefficients for video compression

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/36
  • H03M-007/34
  • H03M-007/32
출원번호 US-0898654 (2004-07-22)
등록번호 US-7483584 (2009-01-27)
발명자 / 주소
  • Chen,Wen hsiung
  • Wu,Fang
  • Pelton,Gregory D.
  • Toebes,John A.
출원인 / 주소
  • Cisco Technology, Inc.
대리인 / 주소
    Rosenfeld,Dov
인용정보 피인용 횟수 : 3  인용 특허 : 89

초록

A method and an apparatus of image compression, and a memory to store a data structure for compression. The method includes, for an ordered series of quantized coefficients of a transform of an image block, forming from the series events that are a run of non-zero-valued coefficients in a first cont

대표청구항

We claim: 1. A method for processing an ordered series of digital signals that each have an amplitude from a finite set of amplitudes consisting of the most-likely-to-occur amplitude and at least one other amplitude, the processing to reduce the amount of data used to represent the digital signals

이 특허에 인용된 특허 (89)

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이 특허를 인용한 특허 (3)

  1. Zhang, Huipin; Wu, Jing; Chen, Sijia; Huang, Dunbi; Guo, Yi, Adaptive quantization for perceptual video coding.
  2. Chen, Qu Qing; Chen, Zhi Bo; Cai, Kang Ying; Teng, Jun, Method and device for encoding a bit sequence.
  3. Chen, Wen-hsiung; Xu, Yian, Video compression using multiple variable length coding methods for multiple types of transform coefficient blocks.
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