From 20c08678d50435c2311ec0956adb20e5fa897338 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Sat, 15 Aug 2009 12:33:38 +0000 Subject: added contours compare, hist compare, knearest (OCR), cleanups svn path=/trunk/externals/pdp_opencv/; revision=11920 --- pdp_opencv_hu_moments.c | 242 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 242 insertions(+) create mode 100755 pdp_opencv_hu_moments.c (limited to 'pdp_opencv_hu_moments.c') diff --git a/pdp_opencv_hu_moments.c b/pdp_opencv_hu_moments.c new file mode 100755 index 0000000..b64a2f5 --- /dev/null +++ b/pdp_opencv_hu_moments.c @@ -0,0 +1,242 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten + * + * 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 +#include +#include +#include +#include +#include +#include + +#include "pdp.h" + +#ifndef _EiC +#include "cv.h" +#endif + +#define MAX_MARKERS 100 + +typedef struct pdp_opencv_hu_moments_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + t_outlet *x_dataout; + t_atom rlist[7]; + int x_packet0; + int x_packet1; + int x_dropped; + int x_queue_id; + + int x_width; + int x_height; + int x_size; + + int x_binary; + + IplImage *image, *gray; + CvMoments x_moments; + CvHuMoments x_humoments; + +} t_pdp_opencv_hu_moments; + +static void pdp_opencv_hu_moments_process_rgb(t_pdp_opencv_hu_moments *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); + char tindex[4]; + int i = 0; // Indicator of cycles. + int im = 0; // Indicator of markers. + + if ((x->x_width != (t_int)header->info.image.width) || + (x->x_height != (t_int)header->info.image.height)) + { + + post("pdp_opencv_hu_moments :: 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); + + //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); + + } + + 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 ); + + // Convert to grayscale + cvCvtColor(x->image, x->gray, CV_BGR2GRAY); + + cvMoments( x->gray, &x->x_moments, x->x_binary ); + cvGetHuMoments( &x->x_moments, &x->x_humoments ); + + SETFLOAT(&x->rlist[0], x->x_humoments.hu1); + SETFLOAT(&x->rlist[1], x->x_humoments.hu2); + SETFLOAT(&x->rlist[2], x->x_humoments.hu3); + SETFLOAT(&x->rlist[3], x->x_humoments.hu4); + SETFLOAT(&x->rlist[4], x->x_humoments.hu5); + SETFLOAT(&x->rlist[5], x->x_humoments.hu6); + SETFLOAT(&x->rlist[6], x->x_humoments.hu7); + + outlet_list( x->x_dataout, 0, 7, x->rlist ); + + memcpy( newdata, x->image->imageData, x->x_size*3 ); + + return; +} + +static void pdp_opencv_hu_moments_sendpacket(t_pdp_opencv_hu_moments *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_moments_process(t_pdp_opencv_hu_moments *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_moments_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_hu_moments_process_rgb, pdp_opencv_hu_moments_sendpacket, &x->x_queue_id); + break; + + default: + /* don't know the type, so dont pdp_opencv_hu_moments_process */ + break; + + } + } + +} + +static void pdp_opencv_hu_moments_input_0(t_pdp_opencv_hu_moments *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_hu_moments_process(x); + } +} + +static void pdp_opencv_hu_moments_free(t_pdp_opencv_hu_moments *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_hu_moments_class; + + +void *pdp_opencv_hu_moments_new(t_floatarg f) +{ + int i; + + t_pdp_opencv_hu_moments *x = (t_pdp_opencv_hu_moments *)pd_new(pdp_opencv_hu_moments_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_binary = 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); + + //contours = 0; + return (void *)x; +} + +static void pdp_opencv_hu_moments_binary(t_pdp_opencv_hu_moments *x, t_floatarg f) +{ + if ( ((int)f==1) || ((int)f==0) ) x->x_binary = (int)f; +} + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_opencv_hu_moments_setup(void) +{ + + post( " pdp_opencv_hu_moments"); + pdp_opencv_hu_moments_class = class_new(gensym("pdp_opencv_hu_moments"), (t_newmethod)pdp_opencv_hu_moments_new, + (t_method)pdp_opencv_hu_moments_free, sizeof(t_pdp_opencv_hu_moments), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(pdp_opencv_hu_moments_class, (t_method)pdp_opencv_hu_moments_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL); + class_addmethod(pdp_opencv_hu_moments_class, (t_method)pdp_opencv_hu_moments_binary, gensym("binary"), A_DEFFLOAT, A_NULL); + +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.1