OpenCV 骨架细化
作者：互联网
void ThinImage(Mat srcImg,Mat&dstImg)//srcImg原图像，dstImg输出图像
1 void ThinImage(Mat srcImg,Mat&dstImg)
2 {
3 dstImg = srcImg.clone();
4 vector<Point> deleteList;
5 int neighbourhood[9];
6 int r = dstImg.rows;
7 int c = dstImg.cols;
8 bool inOddIterations = true;
9 while (true)
10 {
11 for (int j = 1; j < (r - 1); j++)
12 {
13 uchar* data_last = dstImg.ptr<uchar>(j - 1);
14 uchar* data = dstImg.ptr<uchar>(j);
15 uchar* data_next = dstImg.ptr<uchar>(j + 1);
16 for (int i = 1; i < (c - 1); i++)
17 {
18 if (data[i] == 255)
19 {
20 int whitePointCount = 0;
21 neighbourhood[0] = 1;
22 if (data_last[i] == 255)
23 neighbourhood[1] = 1;
24 else
25 neighbourhood[1] = 0;
26 if (data_last[i + 1] == 255)
27 neighbourhood[2] = 1;
28 else
29 neighbourhood[2] = 0;
30 if (data[i + 1] == 255)
31 neighbourhood[3] = 1;
32 else
33 neighbourhood[3] = 0;
34 if (data_next[i + 1] == 255)
35 neighbourhood[4] = 1;
36 else
37 neighbourhood[4] = 0;
38 if (data_next[i] == 255)
39 neighbourhood[5] = 1;
40 else
41 neighbourhood[5] = 0;
42 if (data_next[i - 1] == 255)
43 neighbourhood[6] = 1;
44 else
45 neighbourhood[6] = 0;
46 if (data[i - 1] == 255)
47 neighbourhood[7] = 1;
48 else
49 neighbourhood[7] = 0;
50 if (data_last[i - 1] == 255)
51 neighbourhood[8] = 1;
52 else
53 neighbourhood[8] = 0;
54 for (int k = 1; k < 9; k++)
55 {
56 whitePointCount = whitePointCount + neighbourhood[k];
57 }
58 if ((whitePointCount >= 2) && (whitePointCount <= 6))
59 {
60 int ap = 0;
61 if ((neighbourhood[1] == 0) && (neighbourhood[2] == 1))
62 ap++;
63 if ((neighbourhood[2] == 0) && (neighbourhood[3] == 1))
64 ap++;
65 if ((neighbourhood[3] == 0) && (neighbourhood[4] == 1))
66 ap++;
67 if ((neighbourhood[4] == 0) && (neighbourhood[5] == 1))
68 ap++;
69 if ((neighbourhood[5] == 0) && (neighbourhood[6] == 1))
70 ap++;
71 if ((neighbourhood[6] == 0) && (neighbourhood[7] == 1))
72 ap++;
73 if ((neighbourhood[7] == 0) && (neighbourhood[8] == 1))
74 ap++;
75 if ((neighbourhood[8] == 0) && (neighbourhood[1] == 1))
76 ap++;
77 if (ap == 1)
78 {
79 if (inOddIterations && (neighbourhood[3] * neighbourhood[5] * neighbourhood[7] == 0)
80 && (neighbourhood[1] * neighbourhood[3] * neighbourhood[5] == 0))
81 {
82 deleteList.push_back(Point(i, j));
83 }
84 else if (!inOddIterations && (neighbourhood[1] * neighbourhood[5] * neighbourhood[7] == 0)
85 && (neighbourhood[1] * neighbourhood[3] * neighbourhood[7] == 0))
86 {
87 deleteList.push_back(Point(i, j));
88 }
89 }
90 }
91 }
92 }
93 }
94 if (deleteList.size() == 0)
95 break;
96 for (size_t i = 0; i < deleteList.size(); i++)
97 {
98 Point tem;
99 tem = deleteList[i];
100 uchar* data = dstImg.ptr<uchar>(tem.y);
101 data[tem.x] = 0;
102 }
103 deleteList.clear();
104
105 inOddIterations = !inOddIterations;
106 }
107 }
标签：细化,int,骨架,else,dstImg,OpenCV,data,neighbourhood,255 来源： https://www.cnblogs.com/hsy1941/p/11394318.html