19.Define discrete cosine transform.

Saturday, 28 December 2013

19.Define discrete cosine transform.



>Table of contents
 
 The 1-D discrete cosine transform is defined as


For u = 0, 1, 2, . . , N-1. Similarly the inverse DCT is defined as


For u = 0, 1, 2, . . , N-1

Where α is


 The corresponding 2-D DCT pair is



 For u, v = 0, 1, 2, . . , N-1, and


For x, y= 0, 1, 2, . . , N-1

>Table of contents
 
Reactions:

0 comments :

Post a Comment