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ISO/IEC 23002-2:2008
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Information technology -- MPEG video technologies -- Part 2: Fixed-point 8x8 inverse discrete cosine transform and discrete cosine transform

Abstract

ISO/IEC 23002-2:2008 specifies a particular implementation of an integer-output 8x8 inverse discrete cosine transform (IDCT) that fully conforms to the accuracy requirements specified in ISO/IEC 23002-1 and additionally meets or exceeds all accuracy requirements specified for IDCT precision in a number of international video coding standards. It additionally provides a (non-normative) specification of an integer-output 8x8 forward DCT based on the same factorization structure.

 

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