-
Notifications
You must be signed in to change notification settings - Fork 0
/
median_filter.inl
88 lines (80 loc) · 2.74 KB
/
median_filter.inl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
void median_filter(Eigen::MatrixXf *image, Eigen::MatrixXf *image_filt, int holes)
{
Eigen::MatrixXf image0 = *image;
Eigen::MatrixXf image_cp = *image;
if(holes)
{
for (int i=1; i<image_cp.rows()-1; ++i)
{
for (int j=1; j<image_cp.cols()-1; ++j)
{
if (image_cp(i,j)==0)
{
std::vector<int> vec;
if(image_cp(i-1,j-1) != 0)
vec.push_back(image_cp(i-1,j-1));
if(image_cp(i-1,j) != 0)
vec.push_back(image_cp(i-1,j));
if(image_cp(i,j-1) != 0)
vec.push_back(image_cp(i,j-1));
if(image_cp(i+1,j) != 0)
vec.push_back(image_cp(i+1,j));
if(image_cp(i,j+1) != 0)
vec.push_back(image_cp(i,j+1));
if(image_cp(i+1,j-1) != 0)
vec.push_back(image_cp(i+1,j-1));
if(image_cp(i-1,j+1) != 0)
vec.push_back(image_cp(i-1,j+1));
if(image_cp(i+1,j+1) != 0)
vec.push_back(image_cp(i+1,j+1));
image0(i,j)=vecMed(vec);
}
else
{
image0(i,j)=image_cp(i,j);
}
}
}
}
else
{
for (int i=1; i<image_cp.rows()-1; ++i)
{
for (int j=1; j<image_cp.cols()-1; ++j)
{
std::vector<int> vec;
if(image_cp(i-1,j-1) != 0)
vec.push_back(image_cp(i-1,j-1));
if(image_cp(i-1,j) != 0)
vec.push_back(image_cp(i-1,j));
if(image_cp(i,j-1) != 0)
vec.push_back(image_cp(i,j-1));
if(image_cp(i+1,j) != 0)
vec.push_back(image_cp(i+1,j));
if(image_cp(i,j+1) != 0)
vec.push_back(image_cp(i,j+1));
if(image_cp(i+1,j-1) != 0)
vec.push_back(image_cp(i+1,j-1));
if(image_cp(i-1,j+1) != 0)
vec.push_back(image_cp(i-1,j+1));
if(image_cp(i+1,j+1) != 0)
vec.push_back(image_cp(i+1,j+1));
image0(i,j)=vecMed(vec);
}
}
}
*image_filt = image0;
}
int vecMed(std::vector<int> vec)
{
if(vec.size() != 0)
{
std::sort(vec.begin(), vec.end());
int i = (int)(vec.size()/2);
while (vec[i]==0 && i<vec.size())
++i;
return vec[i];
}
else
return 0;
}