Invention Grant
US08121418B2 Methods and systems for significance coefficient coding in video compression 有权
视频压缩中有意义系数编码的方法和系统

  • Patent Title: Methods and systems for significance coefficient coding in video compression
  • Patent Title (中): 视频压缩中有意义系数编码的方法和系统
  • Application No.: US12840229
    Application Date: 2010-07-20
  • Publication No.: US08121418B2
    Publication Date: 2012-02-21
  • Inventor: Yan YeYiliang Bao
  • Applicant: Yan YeYiliang Bao
  • Applicant Address: US CA San Diego
  • Assignee: QUALCOMM Incorporated
  • Current Assignee: QUALCOMM Incorporated
  • Current Assignee Address: US CA San Diego
  • Agent John Rickenbrode
  • Main IPC: G06K9/36
  • IPC: G06K9/36
Methods and systems for significance coefficient coding in video compression
Abstract:
A method for decoding significance coefficients in an encoded video sequence is described. An encoded video bitstream is received. Codebook table information is retrieved from the bitstream. Significance symbols are decoded using the retrieved codebook table information. Significance coefficients are decoded using the significance symbols. A plurality of transform coefficients is dequantized. An inverse transform is applied to a residual signal. A video sequence is constructed. A method for coding significance coefficients in a video sequence is also described.
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