61 lines
1.3 KiB
Mathematica
61 lines
1.3 KiB
Mathematica
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% 读取图片
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image = imread('test.jpg');
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% 灰度化处理
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image_gray = rgb2gray(image);
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% 二值化处理
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image_imbinarize = imbinarize(image_gray);
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% 降采样处理
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n = 2;
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m = 4;
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image_sample2 = image(1:n:end, 1:n:end,:);
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image_sample4 = image(1:m:end, 1:m:end,:);
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% 图像叠加
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image_2 = imread('photo.jpg');
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image_add = imadd(image, image_2);
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% 亮度增加
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image_light = imadjust(image, [0 0 0; 0.5 0.5 0.5],[]);
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% 反转颜色
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image_reversal = imadjust(image , [0 0 0; 1 1 1], [1 1 1; 0 0 0]);
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% 展示照片
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figure;
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subplot(1,3,1);
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imshow(image);
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title('Original Image'); % 原图
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subplot(1,3,2);
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imshow(image_gray);
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title('Grayed Image'); % 灰度化图像
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subplot(1,3,3);
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imshow(image_imbinarize);
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title('Binary Image'); % 二值化图像
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figure;
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subplot(1,3,1);
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imshow(image);
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title('Original Image'); % 原图
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subplot(1,3,2);
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imshow(image_sample2);
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title('2x Down Sampling'); % 2倍降采样
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subplot(1,3,3);
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imshow(image_sample4);
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title('4x Down Sampling'); % 4倍降采样
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figure;
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subplot(2,2,1);
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imshow(image);
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title('Original Image'); % 原图
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subplot(2,2,2);
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imshow(image_add);
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title('Overlay Image'); %图像叠加
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subplot(2,2,3);
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imshow(image_light);
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title('Brightness Increase'); %亮度增加
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subplot(2,2,4);
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imshow(image_reversal);
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title('Color Inversion'); %颜色反转
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