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Diffstat (limited to 'pdp_opencv_hu_compare.cc')
-rwxr-xr-x | pdp_opencv_hu_compare.cc | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/pdp_opencv_hu_compare.cc b/pdp_opencv_hu_compare.cc new file mode 100755 index 0000000..8b222fb --- /dev/null +++ b/pdp_opencv_hu_compare.cc @@ -0,0 +1,392 @@ +/* + * 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 <math.h> + +#include "pdp.h" + +#ifndef _EiC +#include "cv.h" +#endif + +typedef struct pdp_opencv_hu_compare_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_patternout; + t_outlet *x_dataout; + + int x_packet0; + int x_packet1; + int x_packet2; + int x_dropped; + int x_queue_id; + + int x_width; + int x_height; + int x_size; + + int x_method; + int x_minsize; + float x_cdistance; + + IplImage *image, *gray; + IplImage *imager, *grayr; + + CvMemStorage *x_storage; + CvSeq *x_bcontourr; + +} t_pdp_opencv_hu_compare; + +static void pdp_opencv_hu_compare_process_rgb(t_pdp_opencv_hu_compare *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); + double dist = 100.0, ndist; + int i = 0; // Indicator of cycles. + CvSeq *contourl=NULL, *contourlp; + CvRect rect; + CvMemStorage *mstorage; + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_opencv_hu_compare :: resizing"); + + 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); + cvReleaseImage(&x->imager); + cvReleaseImage(&x->grayr); + + //create the orig image with new size + 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); + x->imager = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + x->grayr = 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( x->image->imageData, data, x->x_size*3 ); + + mstorage = cvCreateMemStorage(0); + + // Convert to grayscale + cvCvtColor(x->image, x->gray, CV_BGR2GRAY); + + cvFindContours( x->gray, mstorage, &contourl, sizeof(CvContour), CV_RETR_LIST, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) ); + + if ( contourl && x->x_bcontourr ) + { + contourlp=contourl; + for( ; contourlp != 0; contourlp = contourlp->h_next ) + { + rect = cvContourBoundingRect( contourlp, 1); + if ( rect.width*rect.height > x->x_minsize && rect.width*rect.height < (x->x_width-2)*(x->x_height-2)) + { + ndist = cvMatchShapes( x->x_bcontourr, contourlp, x->x_method, 0 ); + if ( ndist < dist ) dist = ndist; + if ( ndist < x->x_cdistance ) + { + cvRectangle( x->gray, cvPoint(rect.x,rect.y), cvPoint(rect.x+rect.width,rect.y+rect.height), CV_RGB(255,255,255), 2, 8 , 0 ); + cvDrawContours( x->gray, contourlp, CV_RGB(255,255,255), CV_RGB(255,255,255), 0, 1, 8, cvPoint(0,0) ); + } + else + { + cvRectangle( x->gray, cvPoint(rect.x,rect.y), cvPoint(rect.x+rect.width,rect.y+rect.height), CV_RGB(128,128,128), 2, 8 , 0 ); + cvDrawContours( x->gray, contourlp, CV_RGB(128,128,128), CV_RGB(128,128,128), 0, 1, 8, cvPoint(0,0) ); + } + } + } + } + + if ( dist < 100.00 ) outlet_float( x->x_dataout, dist ); + + cvCvtColor(x->gray, x->image, CV_GRAY2BGR); + memcpy( newdata, x->image->imageData, x->x_size*3 ); + + cvReleaseMemStorage(&mstorage); + + return; +} + +static void pdp_opencv_hu_compare_sendpacket(t_pdp_opencv_hu_compare *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_hu_compare_process(t_pdp_opencv_hu_compare *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_hu_compare_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_hu_compare_process_rgb, (void*)pdp_opencv_hu_compare_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_hu_compare_process */ + break; + + } + } + +} + +static void pdp_opencv_hu_compare_input_0(t_pdp_opencv_hu_compare *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_hu_compare_process(x); + } +} + +static void pdp_opencv_hu_compare_input_1(t_pdp_opencv_hu_compare *x, t_symbol *s, t_floatarg fpacket) +{ + t_pdp *rightheader; + short int *rightdata; + CvSeq *contourr = NULL; + int i, size; + CvRect rect; + + if (s == gensym("register_rw") && ( x->x_bcontourr == NULL ) ) + { + x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet2, (int)fpacket, pdp_gensym((char*)"bitmap/rgb/*") ); + + rightheader = pdp_packet_header(x->x_packet2); + rightdata = (short int *)pdp_packet_data(x->x_packet2); + if ( !rightheader || !rightdata ) + { + post( "pdp_opencv_hu_compare : error : null packet" ); + return; + } + + if ((x->x_width != (t_int)rightheader->info.image.width) || + (x->x_height != (t_int)rightheader->info.image.height)) + { + post( "pdp_opencv_hu_compare : error : wrong right image size" ); + return; + } + + memcpy( x->imager->imageData, rightdata, x->x_size*3 ); + // Convert to grayscale + cvCvtColor(x->imager, x->grayr, CV_BGR2GRAY); + + // calculate the biggest contour and output packet + try { + cvFindContours( x->grayr, x->x_storage, &contourr, sizeof(CvContour), CV_RETR_LIST, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) ); + } + catch(...) { + post( "pdp_opencv_hu_compare : error calculating contours" ); + return; + } + + if ( contourr ) + { + size=0; + for( ; contourr != 0; contourr = contourr->h_next ) + { + rect = cvContourBoundingRect( contourr, 1); + if ( rect.width*rect.height > size && rect.width*rect.height < (x->x_width-2)*(x->x_height-2)) + { + x->x_bcontourr = contourr; + size = rect.width*rect.height; + } + } + rect = cvContourBoundingRect( x->x_bcontourr, 1); + cvRectangle( x->grayr, cvPoint(rect.x,rect.y), cvPoint(rect.x+rect.width,rect.y+rect.height), CV_RGB(255,255,255), 2, 8 , 0 ); + cvDrawContours( x->grayr, x->x_bcontourr, CV_RGB(255,255,255), CV_RGB(128,128,128), 0, 1, 8, cvPoint(0,0) ); + } + + cvCvtColor(x->grayr, x->imager, CV_GRAY2BGR); + memcpy( rightdata, x->imager->imageData, x->x_size*3 ); + + /* unregister and propagate if valid dest packet */ + pdp_packet_pass_if_valid(x->x_patternout, &x->x_packet2); + } +} + + /* if this is a register_ro message or register_rw message, register with packet factory */ +static void pdp_opencv_hu_compare_free(t_pdp_opencv_hu_compare *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); + cvReleaseImage(&x->imager); + cvReleaseImage(&x->grayr); + + cvReleaseMemStorage(&x->x_storage); +} + +t_class *pdp_opencv_hu_compare_class; + + +void *pdp_opencv_hu_compare_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_hu_compare *x = (t_pdp_opencv_hu_compare *)pd_new(pdp_opencv_hu_compare_class); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1")); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + x->x_patternout = outlet_new(&x->x_obj, &s_anything); + x->x_dataout = outlet_new(&x->x_obj, &s_anything); + + x->x_packet0 = -1; + x->x_packet1 = -1; + x->x_packet2 = -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_method = CV_CONTOURS_MATCH_I1; + + x->x_storage = cvCreateMemStorage(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); + x->imager = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + x->grayr = cvCreateImage(cvSize(x->image->width,x->image->height), IPL_DEPTH_8U, 1); + + x->x_bcontourr = NULL; + x->x_minsize = 10*10; + x->x_cdistance = 0.1; + + return (void *)x; +} + +static void pdp_opencv_hu_compare_method(t_pdp_opencv_hu_compare *x, t_floatarg f) +{ + if ((int)f==CV_CONTOURS_MATCH_I1) + { + post( "pdp_opencv_hu_compare : method set to CV_CONTOURS_MATCH_I1" ); + x->x_method = (int)f; + } + if ((int)f==CV_CONTOURS_MATCH_I2) + { + post( "pdp_opencv_hu_compare : method set to CV_CONTOURS_MATCH_I2" ); + x->x_method = (int)f; + } + if ((int)f==CV_CONTOURS_MATCH_I3) + { + post( "pdp_opencv_hu_compare : method set to CV_CONTOURS_MATCH_I3" ); + x->x_method = (int)f; + } +} + +static void pdp_opencv_hu_compare_minsize(t_pdp_opencv_hu_compare *x, t_floatarg f) +{ + if ( (int)f > 0 ) + { + x->x_minsize = (int)f; + } +} + +static void pdp_opencv_hu_compare_criteria(t_pdp_opencv_hu_compare *x, t_floatarg f) +{ + if ( f > 0.0 ) + { + x->x_cdistance = f; + } +} + + +static void pdp_opencv_hu_compare_clear(t_pdp_opencv_hu_compare *x) +{ + x->x_bcontourr = NULL; +} + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_hu_compare_setup(void) +{ + + post( " pdp_opencv_hu_compare"); + pdp_opencv_hu_compare_class = class_new(gensym("pdp_opencv_hu_compare"), (t_newmethod)pdp_opencv_hu_compare_new, + (t_method)pdp_opencv_hu_compare_free, sizeof(t_pdp_opencv_hu_compare), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_input_1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_method, gensym("method"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_minsize, gensym("minsize"), A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_clear, gensym("clear"), A_NULL); + class_addmethod(pdp_opencv_hu_compare_class, (t_method)pdp_opencv_hu_compare_criteria, gensym("criteria"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif |