close all; %关闭当前所有图形窗口，清空工作空间变量，清除工作空间所有变量
clear all;
clc;
J=imread('rice.png');% 读取灰度图像，赋值给J
J1=im2bw(J);%将灰度图像转换成二值图像，赋值给J1
J2=imcomplement(J);%求灰度图像的补，赋值给J2
J3=imcomplement(J1);%求二值图像的补，赋值给J3
set(0,'defaultFigurePosition',[100,100,1000,500]);%修改图形图像位置的默认设置
set(0,'defaultFigureColor',[1 1 1]) %修改图形背景颜色的设置
figure, %显示运算结果
subplot(131),imshow(J1) %显示灰度图像及其补图像
subplot(132),imshow(J2) %显示二值图像及其补图像
subplot(133),imshow(J3)
colormap parula
colormap turbo
colormap jet
colormap hot
colormap cool
colormap spring
colormap summer
colormap autumn
colormap winter
colormap gray
colormap bone
colormap copper
colormap pink
colormap lines
colormap colorcube
colormap prism
colormap flag
colormap default
Development tools: MATLAB 2022b
WeChat Alt+A screenshot tool