Function File: y = idct2 (x) ¶

Function File: y = idct2 (x, m, n) ¶

Function File: y = idct2 (x, [m, n]) ¶

Compute the inverse 2-D discrete cosine transform of matrix x. If m and n are specified, the input is either padded or truncated to have m rows and n columns.

Package: signal