perform_local_dct_transform.m

来自「This document is intended to serve as an」· M 代码 · 共 12 行

function M = perform_local_dct_transform(M,dir,w)

% perform_local_dct_transform - perform a JPEG-like transfrom
%
%   M = perform_local_dct_transform(M,dir,w);
%
%   dir=+1 : forward transform
%   dir=-1 : backward transform
%
%   w is the size of the blocks.
%
%   Copyright (c) 2004 Gabriel Peyr