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RGB 的代码
f11_1.m
%原始索引图像
load trees
%转换为灰度图像
I = ind2gray(X,map);
figure(1)
subplot(2,2,1);
imshow(X,map)
title('索引图像');
subplot(2,2,2);
imshow(I)
title('转换后的灰度图像');
%原始真彩图像
RGB = imread('peppers.png')
rgb2graykpm.m
function g = rgb2grayKPM(rgb)
% function g = rgb2grayKPM(rgb)
% rgb2grayKPM Like the built-in function, but if r is already gray, does not cause an error
[nr nc ncolors] = size(rgb);
if ncolors
f11_1.m
%原始索引图像
load trees
%转换为灰度图像
I = ind2gray(X,map);
figure(1)
subplot(2,2,1);
imshow(X,map)
title('索引图像');
subplot(2,2,2);
imshow(I)
title('转换后的灰度图像');
%原始真彩图像
RGB = imread('peppers.png')
rgb2hsiqiuti.m
function hsi=rgb2hsiqiuti(rgb)
rgb=double(rgb);
R=rgb(:,:,1);
G=rgb(:,:,2);
B=rgb(:,:,3);
I=ones(size(rgb,1),size(rgb,2));
H=ones(size(rgb,1),size(rgb,2));
S=ones(size(rgb,1),size(rgb,2));
showmask.m
function RGB=showmask(V,M,display_flag);
% showmask(V,M);
%
% M is a nonneg. mask
% Jianbo Shi, 1997
V=V-min(V(:));
V=V/max(V(:));
V=.25+0.75*V; %brighten things up a bit
M=M-min(M(:));
M=M/max(M(:)
7.m
clear all;
clc;
[I,map]=imread('1.jpg');%imread是读取图片的命令
%I=imread('5.jpg');
I1=double(I); %因为I的格式是uint8 的格式，要转换成double格式
R=I1(:,:,1); % 提取RGB矩阵
G=I1(:,:,2);
B=I1(:,:,3);
[m,n] = s
custom.css
.mstheme-bannertxt A:active
{
color: rgb(255,255,204);
}
.mstheme-bannertxt A:link
{
color: rgb(255,255,204);
}
.mstheme-bannertxt A:visited
{
color: rgb(255,255,204);
}
.mstheme-banner
color0.css
a:link
{
color: rgb(153,51,0);
}
a:visited
{
color: rgb(102,102,0);
}
a:active
{
color: rgb(204,51,0);
}
body
{
color: rgb(0,0,0);
background-color: rgb(255,255,255);
}
h1
{
c
color1.css
a:link
{
color: rgb(102,102,0);
}
a:visited
{
color: rgb(153,51,0);
}
a:active
{
color: rgb(204,51,0);
}
body
{
color: rgb(0,0,0);
background-color: rgb(255,255,204);
}
h1
{
c
custom.css
.mstheme-bannertxt A:active
{
color: rgb(255,255,204);
}
.mstheme-bannertxt A:link
{
color: rgb(255,255,204);
}
.mstheme-bannertxt A:visited
{
color: rgb(255,255,204);
}
.mstheme-banner