ISO/IEC 23002-2:2008 Preview
Information technology -- MPEG video technologies -- Part 2: Fixed-point 8x8 inverse discrete cosine transform and discrete cosine transform
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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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