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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
#include <iostream>
#include <string>
#include "opencv2/core/core.hpp"
#include "opencv2/gpu/gpu.hpp"
#include "opencv2/highgui/highgui.hpp"
using namespace std;
using namespace cv;
using namespace cv::gpu;
enum Method
{
FGD_STAT,
MOG,
MOG2,
GMG
};
int main(int argc, const char** argv)
{
cv::CommandLineParser cmd(argc, argv,
"{ c | camera | false | use camera }"
"{ f | file | 768x576.avi | input video file }"
"{ m | method | mog | method (fgd, mog, mog2, gmg) }"
"{ h | help | false | print help message }");
if (cmd.get<bool>("help"))
{
cout << "Usage : bgfg_segm [options]" << endl;
cout << "Avaible options:" << endl;
cmd.printParams();
return 0;
}
bool useCamera = cmd.get<bool>("camera");
string file = cmd.get<string>("file");
string method = cmd.get<string>("method");
if (method != "fgd"
&& method != "mog"
&& method != "mog2"
&& method != "gmg")
{
cerr << "Incorrect method" << endl;
return -1;
}
Method m = method == "fgd" ? FGD_STAT :
method == "mog" ? MOG :
method == "mog2" ? MOG2 :
GMG;
VideoCapture cap;
if (useCamera)
cap.open(0);
else
cap.open(file);
if (!cap.isOpened())
{
cerr << "can not open camera or video file" << endl;
return -1;
}
Mat frame;
cap >> frame;
GpuMat d_frame(frame);
FGDStatModel fgd_stat;
MOG_GPU mog;
MOG2_GPU mog2;
GMG_GPU gmg;
gmg.numInitializationFrames = 40;
GpuMat d_fgmask;
GpuMat d_fgimg;
GpuMat d_bgimg;
Mat fgmask;
Mat fgimg;
Mat bgimg;
switch (m)
{
case FGD_STAT:
fgd_stat.create(d_frame);
break;
case MOG:
mog(d_frame, d_fgmask, 0.01f);
break;
case MOG2:
mog2(d_frame, d_fgmask);
break;
case GMG:
gmg.initialize(d_frame.size());
break;
}
namedWindow("image", WINDOW_NORMAL);
namedWindow("foreground mask", WINDOW_NORMAL);
namedWindow("foreground image", WINDOW_NORMAL);
if (m != GMG)
{
namedWindow("mean background image", WINDOW_NORMAL);
}
for(;;)
{
cap >> frame;
if (frame.empty())
break;
d_frame.upload(frame);
int64 start = cv::getTickCount();
//update the model
switch (m)
{
case FGD_STAT:
fgd_stat.update(d_frame);
d_fgmask = fgd_stat.foreground;
d_bgimg = fgd_stat.background;
break;
case MOG:
mog(d_frame, d_fgmask, 0.01f);
mog.getBackgroundImage(d_bgimg);
break;
case MOG2:
mog2(d_frame, d_fgmask);
mog2.getBackgroundImage(d_bgimg);
break;
case GMG:
gmg(d_frame, d_fgmask);
break;
}
double fps = cv::getTickFrequency() / (cv::getTickCount() - start);
std::cout << "FPS : " << fps << std::endl;
d_fgimg.create(d_frame.size(), d_frame.type());
d_fgimg.setTo(Scalar::all(0));
d_frame.copyTo(d_fgimg, d_fgmask);
d_fgmask.download(fgmask);
d_fgimg.download(fgimg);
if (!d_bgimg.empty())
d_bgimg.download(bgimg);
imshow("image", frame);
imshow("foreground mask", fgmask);
imshow("foreground image", fgimg);
if (!bgimg.empty())
imshow("mean background image", bgimg);
int key = waitKey(30);
if (key == 27)
break;
}
return 0;
}
|
