www.gusucode.com > images 案例代码 matlab源码程序 > images/ComputeFourlevelMultiresolutionPyramidOfImageExample.m

    %% Compute Four-level Multiresolution Pyramid of Image
% 
%%
% Read image into the workspace.
I = imread('cameraman.tif');
%% 
% Perform a series of reductions. The first call reduces the original
% image. The other calls to impyramid use the previously reduced image.
I1 = impyramid(I, 'reduce');
I2 = impyramid(I1, 'reduce');
I3 = impyramid(I2, 'reduce');
%%
% View the original image and the reduced versions.
figure, imshow(I)
figure, imshow(I1)
figure, imshow(I2)
figure, imshow(I3)