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idct

Arguments:

• _{ x | y | z }...{ x | y | z }    or
• (no arg)

Description:

Compute the inverse discrete cosine transform of selected images, optionally along the specified axes only.

Output images are always evenly sized, so this command may change the size of the selected images.
(dct images obtained with the dct command are evenly sized anyway).

Default values:

(no arg)

See also:

dct.

This command has a tutorial page.