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Fast image decoder

  • US 5,414,804 A
  • Filed: 07/28/1992
  • Issued: 05/09/1995
  • Est. Priority Date: 10/16/1989
  • Status: Expired due to Term
First Claim
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1. A fast image decoder for producing a reconstructed image from compressed images encoded using the Poisson picture processing algorithm, said fast image decoder comprising:

  • run length decoder means for run length decoding said compressed image to form a sparse array of pixel values;

    processing means coupled to said run length decoder means for receiving said sparse array of pixels and for iteratively processing pixels to produce said reconstructed image; and

    frame memory means coupled to said processing means for receiving said reconstructed image and for successively storing said reconstructed image and feeding back pixels for said reconstructed image to said processing means for successive processing iterations, said processing means for iteratively receiving and processing pixels for said successive reconstructed images to increase the quality of said reconstructed image.

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