MATLAB如何實現對圖像的采樣和量化

clc

clear

close all

data=imread('X.bmp');

[row,line]=size(data);

data_new=data(1:2:row);%隔兩行采樣

%data_new=data(1:2:line);%隔兩列采樣

imwrite(data_new,['directory\','filename']);