MATLAB绘制丰富多彩的硬币图形

clear all; close all;
I=imread('coins.png');
J=imnoise(I, 'salt & pepper', 0.02);
h=ones(3,3)/5;
h(1,1)=0;   h(1,3)=0;
h(3,1)=0;   h(1,3)=0;
K=imfilter(J, h);
figure;
subplot(131);
imshow(I);
subplot(132);
imshow(J);
subplot(133);
imshow(K);
colormap parula

colormap turbo

colormap jet

colormap hsv

colormap hot

colormap cool

colormap spring

colormap summer

colormap autumn

colormap winter

colormap gray

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colormap bone

colormap copper

colormap pink

colormap colorcube

colormap default

开发工具:MATLAB 2022b
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