MATLAB学习笔记5

%灰度图像的二值化
close all
clear all
clc
I = imread(‘rice.png’)
BW1=im2bw(I,0.4)%把图像转换为二值图像，域值参数为0.4
BW2=im2bw(I,0.6)
set(0,’defaultFigurePosition’,[100 100 1000 500])
set(0,’defaultFigureColor’,[1 1 1])
figure
subplot(131),imshow(I)
subplot(132),imshow(BW1)
subplot(133),imshow(BW2)