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diff --git a/EXP_3_4/circle.jpg b/EXP_3_4/circle.jpg
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diff --git a/EXP_3_4/circuit.png b/EXP_3_4/circuit.png
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diff --git a/EXP_3_4/test.jpg b/EXP_3_4/test.jpg
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diff --git a/EXP_three.m b/EXP_three.m
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+% 读取图片
+image = imread('EXP_3_4/test.jpg');
+image_airport = imread('EXP_3_4/airport.jpg');
+
+% 设置核的值
+h1 = [1 1 1; 1 1 1; 1 1 1] / 9;
+h2 = [1 2 1; 2 4 2; 1 2 1] / 16;
+h3 = [-1 -1 -1; -1 9 -1; -1 -1 -1];
+h4 = [0 -1 0; -1 5 -1; 0 -1 0];
+h5 = [-1 -1 -1; -1 10 -1; -1 -1 -1];
+h6 = [-1 -1 -1; -1 8 -1; -1 -1 -1];
+h7 = [1 1 1; 1 -8 1; 1 1 1];
+h8 = [-1 0 1; -2 0 2; -1 0 1];
+h9 = [-1 -2 -1; 0 0 0; 1 2 1];
+h10 = [1 -1];
+h11 = [1 0 -1];
+
+% 处理图像
+image_h1 = imfilter(image, h1);
+image_h2 = imfilter(image, h2);
+image_h3 = imfilter(image, h3);
+image_h4 = imfilter(image, h4);
+image_h5 = imfilter(image, h5);
+image_h6 = imfilter(image, h6);
+image_h7 = imfilter(image_airport, h7);
+image_h8 = imfilter(image_airport, h8);
+image_h9 = imfilter(image_airport, h9);
+image_h10 = imfilter(image_airport, h10);
+image_h11 = imfilter(image_airport, h11);
+
+image_add = abs(image_h8) + abs(image_h9);
+
+% 展示照片
+figure;
+subplot(1,3,1);
+imshow(image);
+title('Original Image'); % 原图
+subplot(1,3,2);
+imshow(image_h1);
+title('Mean Smoothing'); % 均值平滑
+subplot(1,3,3);
+imshow(image_h2);
+title('Gaussian Smoothing'); % 高斯平滑
+
+figure;
+subplot(1,3,1);
+imshow(image);
+title('Original Image'); % 原图
+subplot(1,3,2);
+imshow(image_h3);
+title('Sharpening one'); % 锐化一
+subplot(1,3,3);
+imshow(image_h4);
+title('Sharpening two'); % 锐化二
+
+figure;
+subplot(1,3,1);
+imshow(image);
+title('Original Image'); % 原图
+subplot(1,3,2);
+imshow(image_h5);
+title('Energy Enchancement'); % 能量增强
+subplot(1,3,3);
+imshow(image_h6);
+title('Energy Weakening'); % 能量削弱
+
+figure;
+subplot(1,2,1);
+imshow(image_airport);
+title('Original Image'); % 原图
+subplot(1,2,2);
+imshow(image_h7);
+title('Grayed Image'); % 灰度化图像
+
+figure;
+subplot(2,2,1);
+imshow(image_airport);
+title('Original Image'); % 原图
+subplot(2,2,2);
+imshow(image_h8);
+title('Horizon'); % 水平
+subplot(2,2,3);
+imshow(image_h9);
+title('Vertical'); % 垂直
+subplot(2,2,4);
+imshow(image_add);
+title('Overlay'); % 叠加
+
+figure;
+subplot(1,3,1);
+imshow(image_airport);
+title('Original Image'); % 原图
+subplot(1,3,2);
+imshow(image_h10);
+title('Easy Edge one'); % 简单边缘一
+subplot(1,3,3);
+imshow(image_h11);
+title('Easy Edge two'); % 简单边缘二
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