目录
1.图像反转 .......................................................................................................................................2
2.灰度线性变换 ...............................................................................................................................2
3.非线性变换 ...................................................................................................................................4
4.直方图均衡化 ...............................................................................................................................5
5. 线性平滑滤波器 .........................................................................................................................6
6.中值滤波器 ...................................................................................................................................7
7.用 Sobel 算子和拉普拉斯对图像锐化：.....................................................................................8
8.梯度算子检测边缘 .......................................................................................................................9
9.LOG 算子检测边缘 .....................................................................................................................11
10.Canny 算子检测边 缘 ..............................................................................................................12
11.边界跟踪 （bwtraceboundary 函数）....................................................................................13
12.Hough 变换 ...............................................................................................................................14
13.直方图阈值法 ...........................................................................................................................16
14. 自动阈值法：Otsu 法.............................................................................................................18
15.膨胀操作 ...................................................................................................................................19
16.腐蚀操作 ...................................................................................................................................20
17.开启和闭合操作 .......................................................................................................................21
18.开启和闭合组合操作 ...............................................................................................................22
19.形态学边界提取 .......................................................................................................................24
20.形态学骨架提取 .......................................................................................................................25
21.直接提取四个顶点坐标 ...........................................................................................................26
22.文件打开窗口 ...........................................................................................................................27
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