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Diffstat (limited to 'pdp_opencv_haarcascade.c')
| -rw-r--r-- | pdp_opencv_haarcascade.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/pdp_opencv_haarcascade.c b/pdp_opencv_haarcascade.c new file mode 100644 index 0000000..c91e52e --- /dev/null +++ b/pdp_opencv_haarcascade.c @@ -0,0 +1,356 @@ +/* + * 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 <assert.h> +#include <math.h> +#include <float.h> +#include <limits.h> +#include <time.h> +#include <ctype.h> + +#include "pdp.h" + +#ifndef _EiC +#include "cv.h" +#endif + + + + + +const char* default_cascade ="./haarcascade_frontalface_alt.xml"; + + +typedef struct pdp_opencv_haarcascade_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_dataout; + 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; + + float scale_factor; + int min_neighbors; + int mode; + int min_size; + + IplImage *frame, *img; + CvMemStorage* storage; + CvHaarClassifierCascade* cascade; + +} t_pdp_opencv_haarcascade; + + + +static void pdp_opencv_haarcascade_process_rgb(t_pdp_opencv_haarcascade *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_haarcascade :: 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->frame); + cvReleaseImage(&x->img); + + //create the orig image with new size + x->frame = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + + // Create the output images with new sizes + x->img = cvCreateImage(cvSize(x->frame->width,x->frame->height), IPL_DEPTH_8U, 3); + + } + + 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 ); + + //cv_processframe(x, x->x_plugin, newdata); + + // FEM UNA COPIA DEL PACKET A image->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage + memcpy( x->frame->imageData, data, x->x_size*3 ); + + if( x->frame->origin == IPL_ORIGIN_TL ) + cvCopy( x->frame, x->img, 0 ); + else + cvFlip( x->frame, x->img, 0 ); + + static CvScalar colors[] = + { + {{0,0,255}}, + {{0,128,255}}, + {{0,255,255}}, + {{0,255,0}}, + {{255,128,0}}, + {{255,255,0}}, + {{255,0,0}}, + {{255,0,255}} + }; + + double scale = 1.3; + IplImage* gray = cvCreateImage( cvSize(x->img->width,x->img->height), 8, 1 ); + IplImage* small_img = cvCreateImage( cvSize( cvRound (x->img->width/scale), + cvRound (x->img->height/scale)), + 8, 1 ); + int i; + + cvCvtColor( x->img, gray, CV_BGR2GRAY ); + cvResize( gray, small_img, CV_INTER_LINEAR ); + cvEqualizeHist( small_img, small_img ); + cvClearMemStorage( x->storage ); + + if( x->cascade ) + { + double t = (double)cvGetTickCount(); + CvSeq* faces = cvHaarDetectObjects( small_img, x->cascade, x->storage, + x->scale_factor, x->min_neighbors, x->mode, cvSize(x->min_size, x->min_size) ); + //t = (double)cvGetTickCount() - t; + //printf( "detection time = %gms\n", t/((double)cvGetTickFrequency()*1000.) ); + for( i = 0; i < (faces ? faces->total : 0); i++ ) + { + CvRect* r = (CvRect*)cvGetSeqElem( faces, i ); + CvPoint center; + int radius; + center.x = cvRound((r->x + r->width*0.5)*scale); + center.y = cvRound((r->y + r->height*0.5)*scale); + radius = cvRound((r->width + r->height)*0.25*scale); + cvCircle( x->img, center, radius, colors[i%8], 3, 8, 0 ); + + t_atom rlist[4]; + SETFLOAT(&rlist[0], i); + SETFLOAT(&rlist[1], center.x); + SETFLOAT(&rlist[2], center.y); + SETFLOAT(&rlist[3], radius); + outlet_list( x->x_dataout, 0, 4, rlist ); + } + } + + cvReleaseImage( &gray ); + cvReleaseImage( &small_img ); + cvClearMemStorage( x->storage ); + + memcpy( newdata, x->img->imageData, x->x_size*3 ); + + + + return; +} + +static void pdp_opencv_haarcascade_param(t_pdp_opencv_haarcascade *x, t_floatarg f1, t_floatarg f2) +{ + +} + +static void pdp_opencv_haarcascade_scale_factor(t_pdp_opencv_haarcascade *x, t_floatarg f) +{ + if (f>1) x->scale_factor = f; +} + +static void pdp_opencv_haarcascade_min_size(t_pdp_opencv_haarcascade *x, t_floatarg f) +{ + if (f>1) x->min_size = (int)f; +} + +static void pdp_opencv_haarcascade_mode(t_pdp_opencv_haarcascade *x, t_floatarg f) +{ + if ((f==0)||(f==1)) x->mode = (int)f; +} + +static void pdp_opencv_haarcascade_min_neighbors(t_pdp_opencv_haarcascade *x, t_floatarg f) +{ + if (f>=1) x->min_neighbors = (int)f; +} + +static void pdp_opencv_haarcascade_load(t_pdp_opencv_haarcascade *x, t_symbol *filename) +{ + x->cascade = (CvHaarClassifierCascade*)cvLoad( filename->s_name, 0, 0, 0 ); + if( !x->cascade ) + { + post( "ERROR: Could not load classifier cascade from %s\n", filename->s_name ); + } else post( "pdp_opencv_haarcascade: Loaded classifier cascade from %s\n", filename->s_name ); +} + +static void pdp_opencv_haarcascade_sendpacket(t_pdp_opencv_haarcascade *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_haarcascade_process(t_pdp_opencv_haarcascade *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_haarcascade_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_haarcascade_process_rgb, pdp_opencv_haarcascade_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_haarcascade_process */ + break; + + } + } + +} + +static void pdp_opencv_haarcascade_input_0(t_pdp_opencv_haarcascade *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_haarcascade_process(x); + } +} + +static void pdp_opencv_haarcascade_free(t_pdp_opencv_haarcascade *x) +{ + int i; + + pdp_queue_finish(x->x_queue_id); + pdp_packet_mark_unused(x->x_packet0); + + cvReleaseMemStorage( &x->storage ); + //cvReleaseHaarClassifierCascade(&x->cascade); + cvReleaseImage(&x->frame); + cvReleaseImage(&x->img); +} + +t_class *pdp_opencv_haarcascade_class; + + +void *pdp_opencv_haarcascade_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_haarcascade *x = (t_pdp_opencv_haarcascade *)pd_new(pdp_opencv_haarcascade_class); + + x->x_outlet0 = 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_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->scale_factor = 1.1; + x->min_neighbors = 2; + x->mode = 0; + x->min_size = 30; + + + x->cascade = (CvHaarClassifierCascade*)cvLoad( default_cascade, 0, 0, 0 ); + if( !x->cascade ) + { + post( "ERROR: Could not load default classifier cascade\n" ); + } else post( "pdp_opencv_haarcascade: Loaded default classifier cascade\n" ); + x->storage = cvCreateMemStorage(0); + + x->frame = cvCreateImage(cvSize(x->x_width,x->x_height), IPL_DEPTH_8U, 3); + x->img = cvCreateImage(cvSize(x->frame->width,x->frame->height), IPL_DEPTH_8U, 3); + + + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_haarcascade_setup(void) +{ + + post( " pdp_opencv_haarcascade"); + pdp_opencv_haarcascade_class = class_new(gensym("pdp_opencv_haarcascade"), (t_newmethod)pdp_opencv_haarcascade_new, + (t_method)pdp_opencv_haarcascade_free, sizeof(t_pdp_opencv_haarcascade), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_load, gensym("load"), A_SYMBOL, A_NULL ); + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_scale_factor, gensym("scale_factor"), A_FLOAT, A_NULL ); + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_min_neighbors, gensym("min_neighbors"), A_FLOAT, A_NULL ); + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_mode, gensym("mode"), A_FLOAT, A_NULL ); + class_addmethod(pdp_opencv_haarcascade_class, (t_method)pdp_opencv_haarcascade_min_size, gensym("min_size"), A_FLOAT, A_NULL ); + + +} + +#ifdef __cplusplus +} +#endif + |