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Lossless transform coding system for digital signals

  • US 5,703,799 A
  • Filed: 06/17/1996
  • Issued: 12/30/1997
  • Est. Priority Date: 06/16/1995
  • Status: Expired due to Term
First Claim
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1. A transform coding system for digital signals which performs a four-element discrete cosine transform, comprising:

  • means for approximating the four-element discrete cosine transform with an integer linear transform represented by a matrix of ##EQU21## and means for performing the four-element discrete cosine transform using the matrix.

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