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-rw-r--r--pdp_opencv_hough_circles-help.pd114
-rw-r--r--pdp_opencv_hough_circles.cc296
2 files changed, 410 insertions, 0 deletions
diff --git a/pdp_opencv_hough_circles-help.pd b/pdp_opencv_hough_circles-help.pd
new file mode 100644
index 0000000..32b0702
--- /dev/null
+++ b/pdp_opencv_hough_circles-help.pd
@@ -0,0 +1,114 @@
+#N canvas 363 49 833 785 10;
+#X text -13 -95 written by Lluis Gomez i Bigorda ( lluisgomez@hangar.org
+) and Yves Degoyon ( ydegoyon@gmail.com );
+#X obj -17 -55 cnv 15 621 250 empty empty empty 20 12 0 14 -260097
+-66577 0;
+#X obj 223 -15 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 223 12 metro 40;
+#X msg 313 39 close;
+#X obj 243 110 pdp_v4l;
+#X msg 300 7 open /dev/video0;
+#X obj 412 -20 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 412 7 metro 40;
+#X msg 493 26 close;
+#X msg 489 2 open /dev/video0;
+#X obj 433 106 pdp_v4l2;
+#X msg 498 81 format \$1;
+#X obj 499 59 hradio 15 1 0 4 empty empty empty 0 -8 0 10 -262144 -1
+-1 0;
+#X obj 13 160 pdp_qt;
+#X obj 46 96 metro 40;
+#X msg 46 68 bang;
+#X msg 87 68 stop;
+#X obj 13 -1 openpanel;
+#X msg 13 24 open \$1;
+#X msg 13 -29 bang;
+#X msg 47 123 loop \$1;
+#X obj 127 123 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 127 41 loadbang;
+#X text 56 -26 playing a video file;
+#X text 253 -17 Camera input;
+#X obj 73 161 hsl 128 15 0 500 0 0 empty empty empty -2 -8 0 10 -262144
+-1 -1 0 1;
+#X obj -17 198 cnv 15 621 400 empty empty empty 20 12 0 14 -258113
+-66577 0;
+#X obj 203 409 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X msg 118 407 nightmode \$1;
+#X text 222 410 set nightmode;
+#X floatatom 153 243 5 0 0 0 - - -;
+#X floatatom 140 514 5 0 0 0 - - -;
+#X floatatom 176 515 5 0 0 0 - - -;
+#X obj 140 474 route 1 2 3 4 5 6 7 8 9 10;
+#X text 143 528 X1;
+#X text 179 528 Y1;
+#X floatatom 213 515 5 0 0 0 - - -;
+#X msg 64 240 threshold \$1;
+#X floatatom 183 320 5 0 0 0 - - -;
+#X floatatom 199 357 5 0 0 0 - - -;
+#X obj 13 621 pdp_xv;
+#X floatatom 124 214 5 0 0 0 - - -;
+#X msg 34 213 maxcircles \$1;
+#X text 164 213 maximum nuber of circles detected ( default : 10 )
+;
+#X floatatom 160 271 5 0 0 0 - - -;
+#X msg 71 267 threshold2 \$1;
+#X text 199 283 see documentation of cvHoughCircles for the meaning
+of thresholds;
+#X text -13 -110 pdp_opencv_hough_circles : Hough circles detection
+algorithm;
+#X msg 97 319 mindist \$1;
+#X text 220 318 minimum distance between circles ( default : 30 );
+#X msg 99 355 resolution \$1;
+#X text 242 356 detector resolution ( default 1 );
+#X text 309 474 position of each circle;
+#X text 216 529 radius;
+#X obj 140 495 unpack f f f;
+#X obj 12 442 pdp_opencv_hough_circles;
+#X text 192 239 threshold ( default 100 );
+#X text 199 266 threshold2 ( default 10 );
+#X connect 2 0 3 0;
+#X connect 3 0 5 0;
+#X connect 4 0 5 0;
+#X connect 5 0 56 0;
+#X connect 6 0 5 0;
+#X connect 7 0 8 0;
+#X connect 8 0 11 0;
+#X connect 9 0 11 0;
+#X connect 10 0 11 0;
+#X connect 11 0 56 0;
+#X connect 12 0 11 0;
+#X connect 13 0 12 0;
+#X connect 14 0 56 0;
+#X connect 15 0 14 0;
+#X connect 16 0 15 0;
+#X connect 17 0 15 0;
+#X connect 18 0 19 0;
+#X connect 19 0 14 0;
+#X connect 20 0 18 0;
+#X connect 21 0 14 0;
+#X connect 22 0 21 0;
+#X connect 23 0 22 0;
+#X connect 23 0 16 0;
+#X connect 26 0 14 1;
+#X connect 28 0 29 0;
+#X connect 29 0 56 0;
+#X connect 31 0 38 0;
+#X connect 34 0 55 0;
+#X connect 38 0 56 0;
+#X connect 39 0 49 0;
+#X connect 40 0 51 0;
+#X connect 42 0 43 0;
+#X connect 43 0 56 0;
+#X connect 45 0 46 0;
+#X connect 46 0 56 0;
+#X connect 49 0 56 0;
+#X connect 51 0 56 0;
+#X connect 55 0 32 0;
+#X connect 55 1 33 0;
+#X connect 55 2 37 0;
+#X connect 56 0 41 0;
+#X connect 56 1 34 0;
diff --git a/pdp_opencv_hough_circles.cc b/pdp_opencv_hough_circles.cc
new file mode 100644
index 0000000..78e0523
--- /dev/null
+++ b/pdp_opencv_hough_circles.cc
@@ -0,0 +1,296 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <limits.h>
+#include <dlfcn.h>
+#include <ctype.h>
+
+#include "pdp.h"
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+#define MAX_MARKERS 500
+const int MAX_COUNT = 500;
+
+typedef struct pdp_opencv_hough_circles_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+ t_atom x_list[4];
+
+ int x_packet0;
+ int x_packet1;
+ int x_dropped;
+ int x_queue_id;
+
+ int x_width;
+ int x_height;
+ int x_size;
+
+ // The output and temporary images
+ IplImage *image, *grey;
+
+ int x_threshold;
+ int x_threshold2;
+ int x_maxcircles;
+ double x_mindist;
+ double x_resolution;
+ int night_mode;
+ CvFont font;
+ CvMemStorage* x_storage;
+ CvSeq* x_circles;
+
+} t_pdp_opencv_hough_circles;
+
+static void pdp_opencv_hough_circles_process_rgb(t_pdp_opencv_hough_circles *x)
+{
+ t_pdp *header = pdp_packet_header(x->x_packet0);
+ short int *data = (short int *)pdp_packet_data(x->x_packet0);
+ t_pdp *newheader = pdp_packet_header(x->x_packet1);
+ short int *newdata = (short int *)pdp_packet_data(x->x_packet1);
+ int i,j,k,ucircles;
+
+ if ((x->x_width != (t_int)header->info.image.width) ||
+ (x->x_height != (t_int)header->info.image.height) || (!x->image))
+ {
+
+ post("pdp_opencv_hough_circles :: resizing plugins");
+
+ x->x_width = header->info.image.width;
+ x->x_height = header->info.image.height;
+ x->x_size = x->x_width*x->x_height;
+
+ //Destroy cv_images
+ cvReleaseImage( &x->image );
+ cvReleaseImage( &x->grey );
+
+ //Create cv_images
+ x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->grey = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+ }
+
+ newheader->info.image.encoding = header->info.image.encoding;
+ newheader->info.image.width = x->x_width;
+ newheader->info.image.height = x->x_height;
+
+ memcpy( newdata, data, x->x_size*3 );
+
+ memcpy( x->image->imageData, data, x->x_size*3 );
+
+ cvCvtColor( x->image, x->grey, CV_RGB2GRAY );
+
+ if( x->night_mode )
+ cvZero( x->image );
+
+ x->x_storage = cvCreateMemStorage(0);
+
+ cvSmooth( x->grey, x->grey, CV_GAUSSIAN, 9, 9 );
+ CvSeq* circles = cvHoughCircles( x->grey, x->x_storage, CV_HOUGH_GRADIENT, x->x_resolution, x->x_mindist, x->x_threshold, x->x_threshold2 );
+ ucircles = (circles->total>x->x_maxcircles)?x->x_maxcircles:circles->total;
+ for( i = 0; i < ucircles; i++ )
+ {
+ float* p = (float*)cvGetSeqElem( circles, i );
+ char tindex[10];
+ cvCircle( x->image, cvPoint(cvRound(p[0]),cvRound(p[1])), 3, CV_RGB(0,255,0), -1, 8, 0 );
+ cvCircle( x->image, cvPoint(cvRound(p[0]),cvRound(p[1])), cvRound(p[2]), CV_RGB(255,0,0), 3, 8, 0 );
+ SETFLOAT(&x->x_list[0], i);
+ SETFLOAT(&x->x_list[1], cvRound(p[0]));
+ SETFLOAT(&x->x_list[2], cvRound(p[1]));
+ SETFLOAT(&x->x_list[3], cvRound(p[2]));
+ outlet_list( x->x_outlet1, 0, 4, x->x_list );
+ sprintf( tindex, "%d", i );
+ cvPutText( x->image, tindex, cvPoint(cvRound(p[0]),cvRound(p[1])), &x->font, CV_RGB(255,255,255));
+ }
+
+ cvReleaseMemStorage( &x->x_storage );
+
+ memcpy( newdata, x->image->imageData, x->x_size*3 );
+ return;
+}
+
+static void pdp_opencv_hough_circles_nightmode(t_pdp_opencv_hough_circles *x, t_floatarg fmode)
+{
+ if ((fmode==0.0)||(fmode==1.0)) x->night_mode = (int)fmode;
+}
+
+static void pdp_opencv_hough_circles_threshold(t_pdp_opencv_hough_circles *x, t_floatarg fthresh)
+{
+ if (fthresh>0.0) x->x_threshold = (int)fthresh;
+}
+
+static void pdp_opencv_hough_circles_threshold2(t_pdp_opencv_hough_circles *x, t_floatarg fthresh)
+{
+ if (fthresh>0.0) x->x_threshold2 = (int)fthresh;
+}
+
+static void pdp_opencv_hough_circles_mindist(t_pdp_opencv_hough_circles *x, t_floatarg fdist)
+{
+ if (fdist>0.0) x->x_mindist = (double)fdist;
+}
+
+static void pdp_opencv_hough_circles_maxcircles(t_pdp_opencv_hough_circles *x, t_floatarg fmaxcircles)
+{
+ if (fmaxcircles>0.0) x->x_maxcircles = (int)fmaxcircles;
+}
+
+static void pdp_opencv_hough_circles_resolution(t_pdp_opencv_hough_circles *x, t_floatarg fresol)
+{
+ if (fresol>0.0) x->x_resolution = (double)fresol;
+}
+
+static void pdp_opencv_hough_circles_sendpacket(t_pdp_opencv_hough_circles *x)
+{
+ /* release the packet */
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = -1;
+
+ /* unregister and propagate if valid dest packet */
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
+}
+
+static void pdp_opencv_hough_circles_process(t_pdp_opencv_hough_circles *x)
+{
+ int encoding;
+ t_pdp *header = 0;
+ char *parname;
+ unsigned pi;
+ int partype;
+ float pardefault;
+ t_atom plist[2];
+ t_atom tlist[2];
+ t_atom vlist[2];
+
+ /* check if image data packets are compatible */
+ if ( (header = pdp_packet_header(x->x_packet0))
+ && (PDP_BITMAP == header->type)){
+
+ /* pdp_opencv_hough_circles_process inputs and write into active inlet */
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_BITMAP_RGB:
+ x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+ pdp_queue_add(x, (void*)pdp_opencv_hough_circles_process_rgb, (void*)pdp_opencv_hough_circles_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_opencv_hough_circles_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_opencv_hough_circles_input_0(t_pdp_opencv_hough_circles *x, t_symbol *s, t_floatarg f)
+{
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+
+ if (s == gensym("register_rw"))
+ x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym((char*)"bitmap/rgb/*") );
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
+ {
+ /* add the process method and callback to the process queue */
+ pdp_opencv_hough_circles_process(x);
+ }
+}
+
+static void pdp_opencv_hough_circles_free(t_pdp_opencv_hough_circles *x)
+{
+ int i;
+
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+
+ //Destroy cv_images
+ cvReleaseImage( &x->image );
+ cvReleaseImage( &x->grey );
+}
+
+t_class *pdp_opencv_hough_circles_class;
+
+void *pdp_opencv_hough_circles_new(t_floatarg f)
+{
+ int i;
+
+ t_pdp_opencv_hough_circles *x = (t_pdp_opencv_hough_circles *)pd_new(pdp_opencv_hough_circles_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_outlet1 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+ x->x_queue_id = -1;
+
+ x->x_width = 320;
+ x->x_height = 240;
+ x->x_size = x->x_width * x->x_height;
+
+ x->x_threshold = 100;
+ x->x_threshold2 = 10;
+ x->x_maxcircles = 10;
+ x->x_mindist = 30.0;
+ x->x_resolution = 1.0;
+ x->night_mode = 0;
+
+ // initialize font
+ cvInitFont( &x->font, CV_FONT_HERSHEY_PLAIN, 1.0, 1.0, 0, 1, 8 );
+
+ x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->grey = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_hough_circles_setup(void)
+{
+
+ post( " pdp_opencv_hough_circles");
+ pdp_opencv_hough_circles_class = class_new(gensym("pdp_opencv_hough_circles"), (t_newmethod)pdp_opencv_hough_circles_new,
+ (t_method)pdp_opencv_hough_circles_free, sizeof(t_pdp_opencv_hough_circles), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_nightmode, gensym("nightmode"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_threshold, gensym("threshold"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_threshold2, gensym("threshold2"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_mindist, gensym("mindist"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_resolution, gensym("resolution"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_hough_circles_class, (t_method)pdp_opencv_hough_circles_maxcircles, gensym("maxcircles"), A_FLOAT, A_NULL );
+}
+
+#ifdef __cplusplus
+}
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-08 14:04:32 +0000