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-rw-r--r--Makefile2
-rw-r--r--TODO2
-rw-r--r--pdp_opencv_athreshold-help.pd97
-rw-r--r--pdp_opencv_athreshold.c277
4 files changed, 375 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 46fbdd7..ef21ecc 100644
--- a/Makefile
+++ b/Makefile
@@ -37,7 +37,7 @@ endif
.SUFFIXES = $(EXTENSION)
-SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_surf.cc
+SOURCES = pdp_opencv_threshold.c pdp_opencv_edge.c pdp_opencv_distrans.c pdp_opencv_laplace.c pdp_opencv_motempl.c pdp_opencv_morphology.c pdp_opencv_haarcascade.c pdp_opencv_contours_convexity.c pdp_opencv_contours_boundingrect.c pdp_opencv_bgsubstract.c pdp_opencv_lk.c pdp_opencv_floodfill.c pdp_opencv_hist_compare.c pdp_opencv_dft.c pdp_opencv_knear.cc pdp_opencv_hu_moments.c pdp_opencv_hu_compare.cc pdp_opencv_pgh_compare.cc pdp_opencv_bgstats.cc pdp_opencv_surf.cc pdp_opencv_athreshold.c
all: $(SOURCES:.c=.$(EXTENSION)) $(SOURCES:.cc=.$(EXTENSION))
diff --git a/TODO b/TODO
index c66f708..1031b23 100644
--- a/TODO
+++ b/TODO
@@ -154,8 +154,6 @@ simple edge ... http://www.hci.iastate.edu/575x/doku.php?id=code_samples:edge_de
http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html#SECTION00053000000000000000
############################# sevy ++
-SURF ( remarkable points )
-adaptive threshold
hough lines/circles
camshift ( very greedy )
one day : stereo calibration ( need two cams and a chessboard )
diff --git a/pdp_opencv_athreshold-help.pd b/pdp_opencv_athreshold-help.pd
new file mode 100644
index 0000000..39319ed
--- /dev/null
+++ b/pdp_opencv_athreshold-help.pd
@@ -0,0 +1,97 @@
+#N canvas 15 96 1039 729 10;
+#X obj 11 -57 cnv 15 750 250 empty empty empty 20 12 0 14 -260097 -66577
+0;
+#X obj 251 -17 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 251 10 metro 40;
+#X msg 341 37 close;
+#X obj 271 108 pdp_v4l;
+#X msg 328 5 open /dev/video0;
+#X obj 440 -22 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 440 5 metro 40;
+#X msg 521 24 close;
+#X msg 517 0 open /dev/video0;
+#X obj 461 104 pdp_v4l2;
+#X msg 526 79 format \$1;
+#X obj 527 57 hradio 15 1 0 4 empty empty empty 0 -8 0 10 -262144 -1
+-1 0;
+#X obj 41 158 pdp_qt;
+#X obj 74 94 metro 40;
+#X msg 74 66 bang;
+#X msg 115 66 stop;
+#X obj 41 -3 openpanel;
+#X msg 41 22 open \$1;
+#X msg 41 -31 bang;
+#X msg 75 121 loop \$1;
+#X obj 155 121 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 155 39 loadbang;
+#X text 84 -28 playing a video file;
+#X text 281 -19 Camera input;
+#X obj 101 159 hsl 128 15 0 500 0 0 empty empty empty -2 -8 0 10 -262144
+-1 -1 0 1;
+#X obj 12 201 cnv 15 750 300 empty empty empty 20 12 0 14 -258113 -66577
+0;
+#X obj 55 527 pdp_xv;
+#X floatatom 230 447 5 0 0 0 - - -;
+#X msg 198 321 mode \$1;
+#X floatatom 175 419 5 0 0 0 - - -;
+#X text 175 402 Max value used in some modes;
+#X msg 233 280 0;
+#X msg 263 300 1;
+#X text 249 321 thresholding mode ( default 0 );
+#X text 14 -120 pdp_opencv_threshold : adaptive thresholding;
+#X text 13 -74 written by Yves Degoyon ( ydegoyon@gmail.com );
+#X text 13 -109 use the average of pixels in the block of pixels to
+filter only the pixels above or below that threshold \, depending on
+the mode BINARY or BINARY:INVERTED;
+#X obj 55 458 pdp_opencv_athreshold;
+#X text 265 278 CV_THRESH_BINARY : pixel >= threshold;
+#X text 293 300 CV_THRESH_BINARY_INV :pixel <= threshold;
+#X text 228 433 blocksize ( 1 \, 3 \, 5 \, 7 \, ... );
+#X text 263 447 ( default 3 );
+#X msg 248 215 0;
+#X msg 280 230 1;
+#X msg 215 252 method \$1;
+#X text 279 251 thresholding method ( default 0 );
+#X text 280 213 CV_ADAPTIVE_THRESH_MEAN_C : mean value;
+#X text 312 230 CV_ADAPTIVE_THRESH_GAUSSIAN_C : gaussian mask;
+#X msg 185 364 dim \$1;
+#X floatatom 236 367 5 0 0 0 - - -;
+#X text 276 365 value to correct the theshold;
+#X connect 1 0 2 0;
+#X connect 2 0 4 0;
+#X connect 3 0 4 0;
+#X connect 4 0 38 0;
+#X connect 5 0 4 0;
+#X connect 6 0 7 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 10 0;
+#X connect 10 0 38 0;
+#X connect 11 0 10 0;
+#X connect 12 0 11 0;
+#X connect 13 0 38 0;
+#X connect 14 0 13 0;
+#X connect 15 0 14 0;
+#X connect 16 0 14 0;
+#X connect 17 0 18 0;
+#X connect 18 0 13 0;
+#X connect 19 0 17 0;
+#X connect 20 0 13 0;
+#X connect 21 0 20 0;
+#X connect 22 0 21 0;
+#X connect 22 0 15 0;
+#X connect 25 0 13 1;
+#X connect 28 0 38 2;
+#X connect 29 0 38 0;
+#X connect 30 0 38 1;
+#X connect 32 0 29 0;
+#X connect 33 0 29 0;
+#X connect 38 0 27 0;
+#X connect 43 0 45 0;
+#X connect 44 0 45 0;
+#X connect 45 0 38 0;
+#X connect 49 0 38 0;
+#X connect 50 0 49 0;
diff --git a/pdp_opencv_athreshold.c b/pdp_opencv_athreshold.c
new file mode 100644
index 0000000..ac7c9c2
--- /dev/null
+++ b/pdp_opencv_athreshold.c
@@ -0,0 +1,277 @@
+/*
+ * 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 "pdp.h"
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+
+
+typedef struct pdp_opencv_athreshold_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ int x_packet0;
+ int x_packet1;
+ int x_dropped;
+ int x_queue_id;
+
+ int x_width;
+ int x_height;
+ int x_size;
+
+ int x_infosok;
+
+ int max_value;
+ int x_threshold_mode;
+ int x_threshold_method;
+ int x_blocksize;
+ int x_dim;
+ IplImage *image, *gray;
+
+
+} t_pdp_opencv_athreshold;
+
+static void pdp_opencv_athreshold_process_rgb(t_pdp_opencv_athreshold *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);
+
+ if ((x->x_width != (t_int)header->info.image.width) ||
+ (x->x_height != (t_int)header->info.image.height))
+ {
+
+ post("pdp_opencv_athreshold :: 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->gray);
+
+ //create the orig image with new size
+ x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3);
+
+ // Create the output images with new sizes
+ x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 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 );
+
+ // Convert to grayscale
+ cvCvtColor(x->image, x->gray, CV_BGR2GRAY);
+
+ // Applies fixed-level thresholding to single-channel array.
+ switch(x->x_threshold_mode) {
+ case 0:
+ cvAdaptiveThreshold(x->gray, x->gray, (float)x->max_value, x->x_threshold_method, CV_THRESH_BINARY, x->x_blocksize, x->x_dim);
+ break;
+ case 1:
+ cvAdaptiveThreshold(x->gray, x->gray, (float)x->max_value, x->x_threshold_method, CV_THRESH_BINARY_INV, x->x_blocksize, x->x_dim);
+ break;
+ }
+
+ cvCvtColor(x->gray, x->image, CV_GRAY2BGR);
+ memcpy( newdata, x->image->imageData, x->x_size*3 );
+
+ return;
+}
+
+static void pdp_opencv_athreshold_max(t_pdp_opencv_athreshold *x, t_floatarg f)
+{
+ if ( (int)f>0 ) x->max_value = (int)f;
+}
+
+static void pdp_opencv_athreshold_mode(t_pdp_opencv_athreshold *x, t_floatarg f)
+{
+ if ( ( (int)f==0 ) || ( (int)f==1 ) ) x->x_threshold_mode = (int)f;
+}
+
+static void pdp_opencv_athreshold_method(t_pdp_opencv_athreshold *x, t_floatarg f)
+{
+ if ( (int)f==CV_ADAPTIVE_THRESH_MEAN_C ) x->x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C;
+ if ( (int)f==CV_ADAPTIVE_THRESH_GAUSSIAN_C ) x->x_threshold_method = CV_ADAPTIVE_THRESH_GAUSSIAN_C;
+}
+
+static void pdp_opencv_athreshold_blocksize(t_pdp_opencv_athreshold *x, t_floatarg f)
+{
+ if ( ( (int)f>=3 ) && ( (int)(f+1)%2 == 0 ) )
+ {
+ x->x_blocksize = (int)f;
+ }
+}
+
+static void pdp_opencv_athreshold_dim(t_pdp_opencv_athreshold *x, t_floatarg f)
+{
+ x->x_dim = (int)f;
+}
+
+static void pdp_opencv_athreshold_sendpacket(t_pdp_opencv_athreshold *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_athreshold_process(t_pdp_opencv_athreshold *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_athreshold_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, pdp_opencv_athreshold_process_rgb, pdp_opencv_athreshold_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_opencv_athreshold_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_opencv_athreshold_input_0(t_pdp_opencv_athreshold *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("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_athreshold_process(x);
+ }
+}
+
+static void pdp_opencv_athreshold_free(t_pdp_opencv_athreshold *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->gray);
+}
+
+t_class *pdp_opencv_athreshold_class;
+
+void *pdp_opencv_athreshold_new(t_floatarg f)
+{
+ int i;
+
+ t_pdp_opencv_athreshold *x = (t_pdp_opencv_athreshold *)pd_new(pdp_opencv_athreshold_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("max_value"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("blocksize"));
+
+ x->x_outlet0 = 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_infosok = 0;
+
+ x->max_value = 255;
+ x->x_threshold_mode = 0;
+ x->x_threshold_method = CV_ADAPTIVE_THRESH_MEAN_C;
+ x->x_blocksize = 3;
+ x->x_dim = 0;
+
+ x->image = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3);
+ x->gray = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_athreshold_setup(void)
+{
+
+ post( " pdp_opencv_athreshold");
+ pdp_opencv_athreshold_class = class_new(gensym("pdp_opencv_athreshold"), (t_newmethod)pdp_opencv_athreshold_new,
+ (t_method)pdp_opencv_athreshold_free, sizeof(t_pdp_opencv_athreshold), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_max, gensym("max_value"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_mode, gensym("mode"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_method, gensym("method"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_blocksize, gensym("blocksize"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_athreshold_class, (t_method)pdp_opencv_athreshold_dim, gensym("dim"), A_FLOAT, A_NULL );
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif