diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | TODO | 2 | ||||
| -rw-r--r-- | pdp_opencv_athreshold-help.pd | 97 | ||||
| -rw-r--r-- | pdp_opencv_athreshold.c | 277 |
4 files changed, 375 insertions, 3 deletions
@@ -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)) @@ -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 |