发明名称 Image signal decoder
摘要 An image signal decoder including a DC component correction processing section which inputs inverse transformed DC data X as direct current components of IDCT signals and produces DC component correction data Yn for correcting the inverse transformed DC data X of a target block in process using stored DC components RD corresponding to adjacent blocks of a target block image, resulting in reducing block distortion noises of an decoded image of compressed codes to improve image quality on visual evaluation and to make a large capacity image memory for storing the decoded image disused.
申请公布号 US5907636(A) 申请公布日期 1999.05.25
申请号 US19960755451 申请日期 1996.11.22
申请人 NEC CORPORATION 发明人 NAKAHARA, MASANAO
分类号 H03M7/30;H04N1/41;H04N7/26;H04N7/30;(IPC1-7):G06K9/36 主分类号 H03M7/30
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