DCT

Apr 08, 2005 1 Replies

Hi, im tryin to perform a 2D DCT in VHDL with modelsim simulator but to be honest with you i don't know how to start so if someone can help me it will be great. thanks



Wojtek/Poland


Are you intending to use a fast DCT or a regular DCT.

Fast will save you multipliers, but add considerable complexity in the transpose buffer.

IIRC, Xilinx has a series of app notes that exploit symmetry once, for a total of four multiplies per output sample per direction. Check them out.

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