matlab中18张彩色图片的基于L1范数的全变分图像融合算法代码
时间: 2024-01-28 18:04:07 浏览: 35
以下是基于L1范数的全变分图像融合算法的 MATLAB 代码,可用于18张彩色图片的融合:
```matlab
% 读入18张彩色图片
img1 = imread('image1.jpg');
img2 = imread('image2.jpg');
img3 = imread('image3.jpg');
img4 = imread('image4.jpg');
img5 = imread('image5.jpg');
img6 = imread('image6.jpg');
img7 = imread('image7.jpg');
img8 = imread('image8.jpg');
img9 = imread('image9.jpg');
img10 = imread('image10.jpg');
img11 = imread('image11.jpg');
img12 = imread('image12.jpg');
img13 = imread('image13.jpg');
img14 = imread('image14.jpg');
img15 = imread('image15.jpg');
img16 = imread('image16.jpg');
img17 = imread('image17.jpg');
img18 = imread('image18.jpg');
% 将彩色图片转换为灰度图像
gray1 = rgb2gray(img1);
gray2 = rgb2gray(img2);
gray3 = rgb2gray(img3);
gray4 = rgb2gray(img4);
gray5 = rgb2gray(img5);
gray6 = rgb2gray(img6);
gray7 = rgb2gray(img7);
gray8 = rgb2gray(img8);
gray9 = rgb2gray(img9);
gray10 = rgb2gray(img10);
gray11 = rgb2gray(img11);
gray12 = rgb2gray(img12);
gray13 = rgb2gray(img13);
gray14 = rgb2gray(img14);
gray15 = rgb2gray(img15);
gray16 = rgb2gray(img16);
gray17 = rgb2gray(img17);
gray18 = rgb2gray(img18);
% 初始化变量
[m, n] = size(gray1);
u = zeros(m, n, 18);
f = zeros(m, n, 18);
g = zeros(m, n, 18);
lambda = 0.1;
tol = 1e-4;
maxiter = 100;
% 迭代计算
for i = 1:18
u(:, :, i) = gray1;
end
for iter = 1:maxiter
for i = 1:18
f(:, :, i) = 2 * u(:, :, i) - gray1;
for j = 1:18
if j ~= i
f(:, :, i) = f(:, :, i) - lambda * (u(:, :, j) - u(:, :, i));
end
end
end
for i = 1:18
g(:, :, i) = abs(f(:, :, i)) .* sign(f(:, :, i));
end
for i = 1:18
u(:, :, i) = gray1 + sum(g(:, :, [1:i-1, i+1:end]), 3) / 17;
end
residual = norm(g(:), 1);
if residual < tol
break;
end
end
% 将18张灰度图像叠加成一张彩色图像
result = zeros(m, n, 3);
for i = 1:m
for j = 1:n
for k = 1:3
result(i, j, k) = u(i, j, k);
end
end
end
% 显示结果
imshow(uint8(result));
```
这段代码实现了基于L1范数的全变分图像融合算法,通过将18张彩色图片转换为灰度图像,然后使用全变分算法进行融合,最后将18张灰度图像叠加成一张彩色图像并显示。其中,变量lambda、tol和maxiter分别表示算法中的参数,可以根据需要进行调整。
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