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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
////////////////////////////////////////////////////////
//
// GEM - Graphics Environment for Multimedia
//
// zmoelnig@iem.kug.ac.at
//
// Implementation file
//
// Copyright (c) 1997-2000 Mark Danks.
// Copyright (c) Günther Geiger.
// Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM
// Copyright (c) 2002 James Tittle & Chris Clepper
// For information on usage and redistribution, and for a DISCLAIMER OF ALL
// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
//
/////////////////////////////////////////////////////////
#include "pix_opencv_edge.h"
CPPEXTERN_NEW(pix_opencv_edge)
/////////////////////////////////////////////////////////
//
// pix_opencv_edge
//
/////////////////////////////////////////////////////////
// Constructor
//
/////////////////////////////////////////////////////////
pix_opencv_edge :: pix_opencv_edge()
{
inlet_new(this->x_obj, &this->x_obj->ob_pd, gensym("float"), gensym("ft1"));
edge_thresh = 50;
comp_xsize = 0;
comp_ysize = 0;
orig = NULL;
gray = NULL;
edge = NULL;
cedge = NULL;
cedgergb = NULL;
rgb = NULL;
}
/////////////////////////////////////////////////////////
// Destructor
//
/////////////////////////////////////////////////////////
pix_opencv_edge :: ~pix_opencv_edge()
{
//Destroy cv_images to clean memory
cvReleaseImage(&orig);
cvReleaseImage(&gray);
cvReleaseImage(&edge);
cvReleaseImage(&cedge);
cvReleaseImage(&cedgergb);
cvReleaseImage(&rgb);
}
/////////////////////////////////////////////////////////
// processImage
//
/////////////////////////////////////////////////////////
void pix_opencv_edge :: processRGBAImage(imageStruct &image)
{
unsigned char *pixels = image.data;
if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!orig)) {
this->comp_xsize = image.xsize;
this->comp_ysize = image.ysize;
//Destroy cv_images to clean memory
cvReleaseImage(&orig);
cvReleaseImage(&gray);
cvReleaseImage(&edge);
cvReleaseImage(&cedge);
cvReleaseImage(&cedgergb);
cvReleaseImage(&rgb);
//create the orig image with new size
orig = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 4);
// Create the output images with new sizes
cedge = cvCreateImage(cvSize(orig->width,orig->height), IPL_DEPTH_8U, 4);
gray = cvCreateImage(cvSize(orig->width,orig->height), IPL_DEPTH_8U, 1);
edge = cvCreateImage(cvSize(orig->width,orig->height), IPL_DEPTH_8U, 1);
}
// Here we make a copy of the pixel data from image to orig->imageData
// orig is a IplImage struct, the default image type in openCV, take a look on the IplImage data structure here
// http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html
memcpy( orig->imageData, image.data, image.xsize*image.ysize*4 );
// Convert to grayscale
cvCvtColor(orig, gray, CV_BGRA2GRAY);
cvSmooth( gray, edge, CV_BLUR, 3, 3, 0, 0 );
cvNot( gray, edge );
// Run the edge detector on grayscale
cvCanny(gray, edge, (float)this->edge_thresh, (float)this->edge_thresh*3, 3);
cvZero( cedge );
// copy edge points
cvCopy( orig, cedge, edge );
//copy back the processed frame to image
memcpy( image.data, cedge->imageData, image.xsize*image.ysize*4 );
}
void pix_opencv_edge :: processRGBImage(imageStruct &image)
{
unsigned char *pixels = image.data;
if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgb)) {
this->comp_xsize = image.xsize;
this->comp_ysize = image.ysize;
//Destroy cv_images to clean memory
cvReleaseImage(&orig);
cvReleaseImage(&gray);
cvReleaseImage(&edge);
cvReleaseImage(&cedge);
cvReleaseImage(&cedgergb);
cvReleaseImage(&rgb);
//create the orig image with new size
rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
// Create the output images with new sizes
cedgergb = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 3);
gray = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1);
edge = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1);
}
// FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
memcpy( rgb->imageData, image.data, image.xsize*image.ysize*3 );
// Convert to grayscale
cvCvtColor(rgb, gray, CV_RGB2GRAY);
cvSmooth( gray, edge, CV_BLUR, 3, 3, 0, 0 );
cvNot( gray, edge );
// Run the edge detector on grayscale
cvCanny(gray, edge, (float)this->edge_thresh, (float)this->edge_thresh*3, 3);
cvZero( cedgergb );
// copy edge points
cvCopy( rgb, cedgergb, edge );
//cvShowImage(wndname, cedge);
memcpy( image.data, cedgergb->imageData, image.xsize*image.ysize*3 );
}
void pix_opencv_edge :: processYUVImage(imageStruct &image)
{
}
void pix_opencv_edge :: processGrayImage(imageStruct &image)
{
unsigned char *pixels = image.data;
if ((this->comp_xsize!=image.xsize)||(this->comp_ysize!=image.ysize)||(!rgb)) {
this->comp_xsize = image.xsize;
this->comp_ysize = image.ysize;
//Destroy cv_images to clean memory
cvReleaseImage(&orig);
cvReleaseImage(&gray);
cvReleaseImage(&edge);
cvReleaseImage(&cedge);
cvReleaseImage(&cedgergb);
cvReleaseImage(&rgb);
//create the orig image with new size
rgb = cvCreateImage(cvSize(image.xsize,image.ysize), IPL_DEPTH_8U, 3);
// Create the output images with new sizes
cedgergb = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 3);
gray = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1);
edge = cvCreateImage(cvSize(rgb->width,rgb->height), IPL_DEPTH_8U, 1);
}
// FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
memcpy( gray->imageData, image.data, image.xsize*image.ysize );
// Convert to RGB
cvCvtColor( gray, rgb, CV_GRAY2RGB);
cvSmooth( gray, edge, CV_BLUR, 3, 3, 0, 0 );
cvNot( gray, edge );
// Run the edge detector on grayscale
cvCanny(gray, edge, (float)this->edge_thresh, (float)this->edge_thresh*3, 3);
cvZero( cedgergb );
// copy edge points
cvCopy( rgb, cedgergb, edge );
cvCvtColor( cedgergb, gray, CV_RGB2GRAY);
//cvShowImage(wndname, cedge);
memcpy( image.data, gray->imageData, image.xsize*image.ysize );
}
/////////////////////////////////////////////////////////
// floatThreshMess
//
/////////////////////////////////////////////////////////
void pix_opencv_edge :: floatThreshMess (float edge_thresh)
{
this->edge_thresh = (int)edge_thresh;
}
/////////////////////////////////////////////////////////
// static member function
//
/////////////////////////////////////////////////////////
void pix_opencv_edge :: obj_setupCallback(t_class *classPtr)
{
class_addmethod(classPtr, (t_method)&pix_opencv_edge::floatTreshMessCallback,
gensym("ft1"), A_FLOAT, A_NULL);
}
void pix_opencv_edge :: floatTreshMessCallback(void *data, t_floatarg edge_thresh)
{
GetMyClass(data)->floatThreshMess((float)edge_thresh);
}
|
