Discrete Cosine Transform (DCT)
Discrete Cosine Transform (DCT)
Discrete Cosine Transform (DCT)
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Where<br />
C<br />
C<br />
2<br />
6<br />
π 2π<br />
= 2cos<br />
; C4<br />
= 2cos<br />
=<br />
8<br />
8<br />
3π<br />
π<br />
= 2cos<br />
= 2sin<br />
8 8<br />
The matrix L can be factored as:<br />
L = B1 x M x A1 x A2 x A3<br />
with:<br />
2<br />
26