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

-Contents 1 image reversal 22 23 gray linear transformation. Nonlinear transformation 44. Histogram equalization 55 linear smoothing filters 66. Median filter 77. Sobel operator and Rapp Las Image Sharpening: 88. gradient edge detection operator 9 9.LOG edge detection operator 11 10.Canny count of edge detection 1211. the border tracking (bwtraceboundary function) 1413 13 12.Hough transform histogram. threshold Law 1614 automatic thresholding method: Otsu 1815 expansion operation 1916. corrosion operation 2017. opening and closing operation of 2118. combination of opening and closing operation 2219. morphology boundary extraction 24 20 morphological skeleton extraction 2521 direct extraction of four vertex coordinates 2622 File Open window 27