summaryrefslogtreecommitdiff
blob: 74194e8174c7208a66d3dcc985948cfeb19f5c19 (plain)
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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
Index: frei0r-plugins-1.7.0/src/filter/facebl0r/facebl0r.cpp
===================================================================
--- frei0r-plugins-1.7.0.orig/src/filter/facebl0r/facebl0r.cpp
+++ frei0r-plugins-1.7.0/src/filter/facebl0r/facebl0r.cpp
@@ -19,18 +19,20 @@
 #include <stdio.h>
 #include <string.h>
 #include <opencv2/opencv.hpp>
+#include <opencv2/core/core_c.h>
+#include <opencv2/imgproc/imgproc_c.h>
 #include "frei0r.hpp"
 #include "frei0r_math.h"
 
 typedef struct {
-  IplImage* hsv;     //input image converted to HSV
-  IplImage* hue;     //hue channel of HSV image
-  IplImage* mask;    //image for masking pixels
-  IplImage* prob;    //face probability estimates for each pixel
+  cv::Mat hsv;     //input image converted to HSV
+  cv::Mat hue;     //hue channel of HSV image
+  cv::Mat mask;    //image for masking pixels
+  cv::Mat prob;    //face probability estimates for each pixel
 
-  CvHistogram* hist; //histogram of hue in original face image
+  cv::Mat hist; //histogram of hue in original face image
 
-  CvRect prev_rect;  //location of face in previous frame
+  cv::Rect prev_rect;  //location of face in previous frame
   CvBox2D curr_box;  //current face location estimate
 } TrackedObj;
 
@@ -47,23 +49,23 @@ public:
 private:
     
 // camshift
-    TrackedObj* create_tracked_object (IplImage* image, CvRect* face_rect);
+    TrackedObj* create_tracked_object (cv::Mat& image, cv::Rect& face_rect);
     void destroy_tracked_object (TrackedObj* tracked_obj);
-    CvBox2D camshift_track_face (IplImage* image, TrackedObj* imgs);
-    void update_hue_image (const IplImage* image, TrackedObj* imgs);
+    CvBox2D camshift_track_face (cv::Mat& image, TrackedObj* imgs);
+    void update_hue_image (const cv::Mat& image, TrackedObj* imgs);
     
 //trackface
-    CvRect* detect_face (IplImage*, CvHaarClassifierCascade*, CvMemStorage*);
+    void detect_face (const cv::Mat&, cv::CascadeClassifier*, cv::Rect& res, bool& found);
     
 
     TrackedObj* tracked_obj;
     CvBox2D face_box; //area to draw
-    CvRect* face_rect;
+    cv::Rect face_rect;
     
 //used by capture_video_frame, so we don't have to keep creating.
-    IplImage* image;
+    cv::Mat image;
 
-    CvHaarClassifierCascade* cascade;
+    cv::CascadeClassifier* cascade;
     CvMemStorage* storage;
 
     // plugin parameters
@@ -89,17 +91,17 @@ frei0r::construct<FaceBl0r> plugin("Face
 				  "ZioKernel, Biilly, Jilt, Jaromil, ddennedy",
 				  1,1, F0R_COLOR_MODEL_PACKED32);
 
-FaceBl0r::FaceBl0r(int wdt, int hgt) {
+FaceBl0r::FaceBl0r(int wdt, int hgt):
+  image(wdt, hgt, CV_8UC4)
+{
 
-  face_rect = 0;
-  image = 0;
   tracked_obj = 0;
   face_found = 0;
   
   cascade = 0;
   storage = 0;
   
-  classifier = "/usr/share/opencv/haarcascades/haarcascade_frontalface_default.xml";
+  classifier = "/usr/share/opencv4/haarcascades/haarcascade_frontalface_default.xml";
   register_param(classifier,
                  "Classifier",
                  "Full path to the XML pattern model for recognition; look in /usr/share/opencv/haarcascades");
@@ -124,7 +126,7 @@ FaceBl0r::~FaceBl0r() {
     if(tracked_obj)
         destroy_tracked_object(tracked_obj);
 
-    if(cascade) cvReleaseHaarClassifierCascade(&cascade);
+    if(cascade) delete cascade;
     if(storage) cvReleaseMemStorage(&storage);
     
 }
@@ -142,7 +144,7 @@ void FaceBl0r::update(double time,
 	  return;
 	} else old_classifier = classifier;
 
-	cascade = (CvHaarClassifierCascade*) cvLoad(classifier.c_str(), 0, 0, 0 );
+	cascade = new cv::CascadeClassifier(classifier);
 	if (!cascade) {
 	  fprintf(stderr, "ERROR in filter facebl0r, classifier cascade not found:\n");
 	  fprintf(stderr, " %s\n", classifier.c_str());
@@ -162,10 +164,7 @@ void FaceBl0r::update(double time,
   search_scale = CLAMP(search_scale, 0.11, 1.0);
   neighbors = CLAMP(neighbors, 0.01, 1.0);
 
-  if( !image )
-      image = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 4 );
-
-  memcpy(image->imageData, in, size * 4);
+  memcpy(image.data, in, size * 4);
 
   /*
     no face*
@@ -176,12 +175,15 @@ void FaceBl0r::update(double time,
        no face*
    */
   if(face_notfound>0) {
+      bool found = false;
 
       if(face_notfound % cvRound(recheck * 1000) == 0)
-          face_rect = detect_face(image, cascade, storage);
+      {
+          detect_face(image, cascade, face_rect, found);
+      }
 
       // if no face detected
-      if (!face_rect) {
+      if (!found) {
           face_notfound++;
       } else {
           //track detected face with camshift
@@ -211,16 +213,17 @@ void FaceBl0r::update(double time,
       }
       else {
 ////////////////////////////////////////////////////////////////////////
-	      cvSetImageROI (image, tracked_obj->prev_rect);
+	      cv::Mat roi = image(tracked_obj->prev_rect);
 //          cvSmooth (image, image, CV_BLUR, 22, 22, 0, 0);
-		  cvSmooth (image, image, CV_BLUR, 23, 23, 0, 0);
+		cv::blur (roi, roi, cv::Size(23,23));
 //          cvSmooth (image, image, CV_GAUSSIAN, 11, 11, 0, 0);
-		  cvResetImageROI (image);
 ////////////////////////////////////////////////////////////////////////
       
           //outline face ellipse
-          if (ellipse)
-              cvEllipseBox(image, face_box, CV_RGB(255,0,0), 2, CV_AA, 0);
+          if (ellipse) {
+	      CvSize axes = cvSize(face_box.size.width*0.5, face_box.size.height*0.5);
+	      cv::ellipse(image, cvPointFrom32f(face_box.center), axes, face_box.angle, 0, 360, CV_RGB(255,0,0), 2, CV_AA, 0);
+	  }
 
           face_found++;
           if(face_found % cvRound(recheck * 1000) == 0)
@@ -228,133 +231,121 @@ void FaceBl0r::update(double time,
       }
   }
 
-  memcpy(out, image->imageData, size * 4);
-  cvReleaseImage(&image);
+  memcpy(out, image.data, size * 4);
 }
 
 /* Given an image and a classider, detect and return region. */
-CvRect* FaceBl0r::detect_face (IplImage* image,
-                               CvHaarClassifierCascade* cascade,
-                               CvMemStorage* storage) {
+void FaceBl0r::detect_face (const cv::Mat& image,
+                               cv::CascadeClassifier* cascade,
+			       cv::Rect& res,
+			       bool& found) {
     
-  CvRect* rect = 0;
-  
-  if (cascade && storage) {
+  if (cascade) {
      //use an equalized gray image for better recognition
-     IplImage* gray = cvCreateImage(cvSize(image->width, image->height), 8, 1);
-     cvCvtColor(image, gray, CV_BGR2GRAY);
-     cvEqualizeHist(gray, gray);
-     cvClearMemStorage(storage);
+     //IplImage* gray = cvCreateImage(cvSize(image->width, image->height), 8, 1);
+     cv::Mat gray;
+     cv::cvtColor(image, gray, cv::COLOR_BGR2GRAY);
+     cv::equalizeHist(gray, gray);
 
       //get a sequence of faces in image
       int min = cvRound(smallest * 1000);
-      CvSeq *faces = cvHaarDetectObjects(gray, cascade, storage,
+      std::vector< cv::Rect > objects;
+      std::vector< int > numDetections;
+      cascade->detectMultiScale(gray, objects, numDetections,
          search_scale * 10.0,
          cvRound(neighbors * 100),
-         CV_HAAR_FIND_BIGGEST_OBJECT|//since we track only the first, get the biggest
-         CV_HAAR_DO_CANNY_PRUNING,  //skip regions unlikely to contain a face
+         cv::CASCADE_FIND_BIGGEST_OBJECT|//since we track only the first, get the biggest
+         cv::CASCADE_DO_CANNY_PRUNING,  //skip regions unlikely to contain a face
          cvSize(min, min));
     
       //if one or more faces are detected, return the first one
-      if(faces && faces->total)
-        rect = (CvRect*) cvGetSeqElem(faces, 0);
-
-      cvReleaseImage(&gray);
+      if(!objects.empty())
+      {
+        res = objects[0];
+	found = true;
+      }
   }
-
-  return rect;
 }
 
 /* Create a camshift tracked object from a region in image. */
-TrackedObj* FaceBl0r::create_tracked_object (IplImage* image, CvRect* region) {
+TrackedObj* FaceBl0r::create_tracked_object (cv::Mat& image, cv::Rect& region) {
   TrackedObj* obj;
   
+  int hist_bins = 30;           //number of histogram bins
+  float hist_range[] = {0,180}; //histogram range
+  const float* range = hist_range;
+  const int channels[] = {0, 1, 2};
+
   //allocate memory for tracked object struct
-  if((obj = (TrackedObj *) malloc(sizeof *obj)) != NULL) {
+  if((obj = new TrackedObj()) != NULL) {
     //create-image: size(w,h), bit depth, channels
-    obj->hsv  = cvCreateImage(cvGetSize(image), 8, 3);
-    obj->mask = cvCreateImage(cvGetSize(image), 8, 1);
-    obj->hue  = cvCreateImage(cvGetSize(image), 8, 1);
-    obj->prob = cvCreateImage(cvGetSize(image), 8, 1);
-
-    int hist_bins = 30;           //number of histogram bins
-    float hist_range[] = {0,180}; //histogram range
-    float* range = hist_range;
-    obj->hist = cvCreateHist(1,             //number of hist dimensions
-                             &hist_bins,    //array of dimension sizes
-                             CV_HIST_ARRAY, //representation format
-                             &range,        //array of ranges for bins
-                             1);            //uniformity flag
+    obj->hsv.create(image.size(), CV_8UC3);
+    obj->mask.create(image.size(), CV_8UC1);
+    obj->hue.create(image.size(), CV_8UC1);
+    obj->prob.create(image.size(), CV_8UC1);
   }
   
   //create a new hue image
   update_hue_image(image, obj);
 
-  float max_val = 0.f;
+  double max_val = 0.f;
+  double min_val = 0.f;
   
   //create a histogram representation for the face
-  cvSetImageROI(obj->hue, *region);
-  cvSetImageROI(obj->mask, *region);
-  cvCalcHist(&obj->hue, obj->hist, 0, obj->mask);
-  cvGetMinMaxHistValue(obj->hist, 0, &max_val, 0, 0 );
-  cvConvertScale(obj->hist->bins, obj->hist->bins,
-                 max_val ? 255.0/max_val : 0, 0);
-  cvResetImageROI(obj->hue);
-  cvResetImageROI(obj->mask);
+  cv::Mat hueroi = obj->hue(region);
+  cv::Mat maskroi = obj->mask(region);
+  cv::calcHist(&obj->hue, 1, channels, obj->mask, obj->hist, 1, &hist_bins, &range);
+  cv::minMaxIdx(obj->hist, &min_val, &max_val);
+  obj->hist = (max_val ? 255.0/max_val : 0) * obj->hist;
   
   //store the previous face location
-  obj->prev_rect = *region;
+  obj->prev_rect = region;
 
   return obj;
 }
 
 /* Release resources from tracked object. */
 void FaceBl0r::destroy_tracked_object (TrackedObj* obj) {
-  cvReleaseImage(&obj->hsv);
-  cvReleaseImage(&obj->hue);
-  cvReleaseImage(&obj->mask);
-  cvReleaseImage(&obj->prob);
-  cvReleaseHist(&obj->hist);
-
-  free(obj);
+  delete obj;
 }
 
 /* Given an image and tracked object, return box position. */
-CvBox2D FaceBl0r::camshift_track_face (IplImage* image, TrackedObj* obj) {
-  CvConnectedComp components;
-
+CvBox2D FaceBl0r::camshift_track_face (cv::Mat& image, TrackedObj* obj) {
   //create a new hue image
   update_hue_image(image, obj);
 
   //create a probability image based on the face histogram
-  cvCalcBackProject(&obj->hue, obj->prob, obj->hist);
-  cvAnd(obj->prob, obj->mask, obj->prob, 0);
+  const int channels[] = {0, 1, 2};
+  float hist_range[] = {0,180}; //histogram range
+  const float* range = hist_range;
+  cv::calcBackProject(&obj->hue, 1, channels, obj->hist, obj->prob, &range);
+  obj->prob = obj->prob & obj->mask;
 
   //use CamShift to find the center of the new face probability
-  cvCamShift(obj->prob, obj->prev_rect,
-             cvTermCriteria(CV_TERMCRIT_EPS | CV_TERMCRIT_ITER, 10, 1),
-             &components, &obj->curr_box);
+  cv::RotatedRect rrect = cv::CamShift(obj->prob, obj->prev_rect, 
+             cv::TermCriteria(cv::TermCriteria::EPS | cv::TermCriteria::MAX_ITER, 10, 1));
 
   //update face location and angle
-  obj->prev_rect = components.rect;
-  obj->curr_box.angle = -obj->curr_box.angle;
+  obj->prev_rect = rrect.boundingRect();
+  obj->curr_box = cvBox2D(rrect);
+  obj->curr_box.angle = -rrect.angle;
 
   return obj->curr_box;
 }
 
-void FaceBl0r::update_hue_image (const IplImage* image, TrackedObj* obj) {
+void FaceBl0r::update_hue_image (const cv::Mat& image, TrackedObj* obj) {
   //limits for calculating hue
   int vmin = 65, vmax = 256, smin = 55;
   
   //convert to HSV color model
-  cvCvtColor(image, obj->hsv, CV_BGR2HSV);
+  cv::cvtColor(image, obj->hsv, cv::COLOR_BGR2HSV);
   
   //mask out-of-range values
-  cvInRangeS(obj->hsv,                               //source
-             cvScalar(0, smin, MIN(vmin, vmax), 0),  //lower bound
-             cvScalar(180, 256, MAX(vmin, vmax) ,0), //upper bound
+  cv::inRange(obj->hsv,                               //source
+             cv::Scalar(0, smin, MIN(vmin, vmax), 0),  //lower bound
+             cv::Scalar(180, 256, MAX(vmin, vmax) ,0), //upper bound
              obj->mask);                             //destination
   
   //extract the hue channel, split: src, dest channels
-  cvSplit(obj->hsv, obj->hue, 0, 0, 0 );
+  cv::split(obj->hsv, obj->hue);
 }
Index: frei0r-plugins-1.7.0/src/filter/facedetect/facedetect.cpp
===================================================================
--- frei0r-plugins-1.7.0.orig/src/filter/facedetect/facedetect.cpp
+++ frei0r-plugins-1.7.0/src/filter/facedetect/facedetect.cpp
@@ -21,6 +21,8 @@
 #include <stdio.h>
 #include <string.h>
 #include <opencv2/opencv.hpp>
+#include <opencv2/core/core_c.h>
+#include <opencv2/imgproc/imgproc_c.h>
 #include "frei0r.hpp"
 #include "frei0r_math.h"
 
@@ -65,7 +67,7 @@ public:
     {
         roi.width = roi.height = 0;
         roi.x = roi.y = 0;
-        classifier = "/usr/share/opencv/haarcascades/haarcascade_frontalface_default.xml";
+        classifier = "/usr/share/opencv4/haarcascades/haarcascade_frontalface_default.xml";
         register_param(classifier,
                        "Classifier",
                        "Full path to the XML pattern model for recognition; look in /usr/share/opencv/haarcascades");