aboutsummaryrefslogtreecommitdiff
path: root/pdp_opencv_surf.cc
diff options
context:
space:
mode:
Diffstat (limited to 'pdp_opencv_surf.cc')
-rw-r--r--pdp_opencv_surf.cc690
1 files changed, 690 insertions, 0 deletions
diff --git a/pdp_opencv_surf.cc b/pdp_opencv_surf.cc
new file mode 100644
index 0000000..268d1ab
--- /dev/null
+++ b/pdp_opencv_surf.cc
@@ -0,0 +1,690 @@
+/*
+ * 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 <ctype.h>
+
+#include "pdp.h"
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+#define MAX_MARKERS 500
+#define DSCSIZE 128
+
+typedef struct pdp_opencv_surf_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+ t_atom x_list[3];
+
+ int x_packet0;
+ int x_packet1;
+ int x_dropped;
+ int x_queue_id;
+
+ int x_width;
+ int x_height;
+ int x_size;
+
+ int x_maxmove;
+ int x_delaunay;
+ int x_threshold;
+ int night_mode;
+ int x_markall;
+ int x_xmark[MAX_MARKERS];
+ int x_ymark[MAX_MARKERS];
+ float x_rdesc[MAX_MARKERS][DSCSIZE];
+ int x_found[MAX_MARKERS];
+
+ // The output and temporary images
+ IplImage *image, *oimage, *grey;
+
+ CvSeq *objectKeypoints, *objectDescriptors;
+ int x_hessian;
+ int x_criteria;
+ int x_ftolerance;
+
+ CvFont font;
+
+ // structures needed for the delaunay
+ CvRect x_fullrect;
+ CvMemStorage* x_storage;
+ CvSubdiv2D* x_subdiv;
+
+} t_pdp_opencv_surf;
+
+static void pdp_opencv_surf_mark(t_pdp_opencv_surf *x, t_symbol *s, int argc, t_atom *argv );
+
+static void pdp_opencv_surf_clear(t_pdp_opencv_surf *x );
+
+static double pdp_opencv_surf_compare_descriptors( const float* d1, const float* d2, int length )
+{
+ double total_cost = 0;
+ assert( length % 4 == 0 );
+ for( int i = 0; i < length; i += 4 )
+ {
+ double t0 = d1[i] - d2[i];
+ double t1 = d1[i+1] - d2[i+1];
+ double t2 = d1[i+2] - d2[i+2];
+ double t3 = d1[i+3] - d2[i+3];
+ total_cost += t0*t0 + t1*t1 + t2*t2 + t3*t3;
+ }
+ return total_cost;
+}
+
+static void pdp_opencv_surf_process_rgb(t_pdp_opencv_surf *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);
+ int i,j,k,im;
+ char tindex[4];
+ int descsize;
+
+ if ((x->x_width != (t_int)header->info.image.width) ||
+ (x->x_height != (t_int)header->info.image.height) || (!x->image))
+ {
+
+ post("pdp_opencv_surf :: 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
+ if ( x->image )
+ {
+ cvReleaseImage( &x->image );
+ cvReleaseImage( &x->oimage );
+ cvReleaseImage( &x->grey );
+ }
+
+ //Create cv_images
+ x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->oimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->grey = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 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 );
+ memcpy( x->oimage->imageData, data, x->x_size*3 );
+
+ cvCvtColor( x->image, x->grey, CV_RGB2GRAY );
+
+ x->x_storage = cvCreateMemStorage(0);
+
+ if( x->night_mode )
+ cvZero( x->image );
+
+ for ( im=0; im<MAX_MARKERS; im++ )
+ {
+ x->x_found[im]--;
+ }
+
+ if ( x->x_delaunay >= 0 )
+ {
+ // init data structures for the delaunay
+ x->x_fullrect.x = -x->x_width/2;
+ x->x_fullrect.y = -x->x_height/2;
+ x->x_fullrect.width = 2*x->x_width;
+ x->x_fullrect.height = 2*x->x_height;
+
+ x->x_subdiv = cvCreateSubdiv2D( CV_SEQ_KIND_SUBDIV2D, sizeof(*x->x_subdiv),
+ sizeof(CvSubdiv2DPoint),
+ sizeof(CvQuadEdge2D),
+ x->x_storage );
+ cvInitSubdivDelaunay2D( x->x_subdiv, x->x_fullrect );
+ }
+
+ cvExtractSURF( x->grey, 0, &x->objectKeypoints, &x->objectDescriptors, x->x_storage, cvSURFParams(x->x_hessian, 1) );
+ descsize = (int)(x->objectDescriptors->elem_size/sizeof(float));
+
+ for( i = 0; i < x->objectKeypoints->total; i++ )
+ {
+ CvSURFPoint* r1 = (CvSURFPoint*)cvGetSeqElem( x->objectKeypoints, i );
+ const float* rdesc = (const float*)cvGetSeqElem( x->objectDescriptors, i );
+
+ if ( x->x_delaunay == 0 ) // add all the points
+ {
+ cvSubdivDelaunay2DInsert( x->x_subdiv, r1->pt );
+ cvCalcSubdivVoronoi2D( x->x_subdiv );
+ }
+
+ // only add points included in (color-threshold)<p<(color+treshold)
+ if ( ( x->x_delaunay > 0 ) && ( x->x_xmark[x->x_delaunay-1] != -1 ) )
+ {
+ int px = cvPointFrom32f(r1->pt).x;
+ int py = cvPointFrom32f(r1->pt).y;
+ int ppx, ppy;
+
+ // eight connected pixels
+ for ( ppx=px-1; ppx<=px+1; ppx++ )
+ {
+ for ( ppy=py-1; ppy<=py+1; ppy++ )
+ {
+ if ( ( ppx < 0 ) || ( ppx >= x->x_width ) ) continue;
+ if ( ( ppy < 0 ) || ( ppy >= x->x_height ) ) continue;
+
+ uchar red = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*ppx))[ppy*3];
+ uchar green = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*ppx))[ppy*3+1];
+ uchar blue = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*ppx))[ppy*3+2];
+
+ uchar pred = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*x->x_xmark[x->x_delaunay-1]))[x->x_ymark[x->x_delaunay-1]*3];
+ uchar pgreen = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*x->x_xmark[x->x_delaunay-1]))[x->x_ymark[x->x_delaunay-1]*3+1];
+ uchar pblue = ((uchar*)(x->oimage->imageData + x->oimage->widthStep*x->x_xmark[x->x_delaunay-1]))[x->x_ymark[x->x_delaunay-1]*3+2];
+
+ int diff = abs(red-pred) + abs(green-pgreen) + abs(blue-pblue);
+
+ // post( "pdp_opencv_surf : point (%d,%d,%d) : diff : %d", blue, green, red, diff );
+
+ if ( diff < x->x_threshold )
+ {
+ cvSubdivDelaunay2DInsert( x->x_subdiv, r1->pt );
+ cvCalcSubdivVoronoi2D( x->x_subdiv );
+ }
+ }
+ }
+ }
+
+ cvCircle( x->image, cvPointFrom32f(r1->pt), 3, CV_RGB(0,255,0), -1, 8,0);
+
+ // mark the point if it is not already
+ if ( x->x_markall )
+ {
+ int marked = 0;
+
+ for ( im=0; im<MAX_MARKERS; im++ )
+ {
+ if ( x->x_xmark[im] != -1.0 )
+ {
+ if ( ( abs( r1->pt.x - x->x_xmark[im] ) <= x->x_maxmove ) && ( abs( r1->pt.y - x->x_ymark[im] ) <= x->x_maxmove ) )
+ {
+ marked = 1;
+ // post( "pdp_opencv_surf : point already marked" );
+ break;
+ }
+ }
+ }
+ if ( !marked )
+ {
+ for ( i=0; i<MAX_MARKERS; i++)
+ {
+ if ( x->x_xmark[i] == -1 )
+ {
+ x->x_xmark[i] = r1->pt.x;
+ x->x_ymark[i] = r1->pt.y;
+ x->x_found[i] = x->x_ftolerance;
+ memset( (float * )x->x_rdesc[i], 0x0, DSCSIZE*sizeof(float));
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ for ( im=0; im<MAX_MARKERS; im++ )
+ {
+ int neighbour = -1;
+ double d, dist1 = 1000000, dist2 = 1000000;
+
+ for( i = 0; i < x->objectKeypoints->total; i++ )
+ {
+ CvSURFPoint* r1 = (CvSURFPoint*)cvGetSeqElem( x->objectKeypoints, i );
+ const float* rdesc = (const float*)cvGetSeqElem( x->objectDescriptors, i );
+ int descsize = (int)(x->objectDescriptors->elem_size/sizeof(float));
+
+ // manually marked points
+ // recognized on position
+ // if ( ( x->x_xmark[im] != -1.0 ) && ( x->x_rdesc[im][0] == 0.0 ) )
+ if ( x->x_xmark[im] != -1.0 )
+ {
+ if ( ( abs( r1->pt.x - x->x_xmark[im] ) <= x->x_maxmove ) && ( abs( r1->pt.y - x->x_ymark[im] ) <= x->x_maxmove ) )
+ {
+ sprintf( tindex, "%d", im+1 );
+ cvPutText( x->image, tindex, cvPointFrom32f(r1->pt), &x->font, CV_RGB(255,255,255));
+ x->x_xmark[im]=r1->pt.x;
+ x->x_ymark[im]=r1->pt.y;
+ memcpy( (float * )x->x_rdesc[im], rdesc, descsize*sizeof(float));
+ x->x_found[im]++;
+ SETFLOAT(&x->x_list[0], im+1);
+ SETFLOAT(&x->x_list[1], x->x_xmark[im]);
+ SETFLOAT(&x->x_list[2], x->x_ymark[im]);
+ outlet_list( x->x_outlet1, 0, 3, x->x_list );
+ break;
+ }
+ }
+
+ // recognize points according to their SURF descriptor ( size = 128 )
+ // this code is desactivated because it isn't more stable than the positions
+ // if ( ( x->x_xmark[im] != -1.0 ) && ( x->x_rdesc[im][0] != 0.0 ) )
+ // {
+ // d = pdp_opencv_surf_compare_descriptors( x->x_rdesc[im], rdesc, descsize );
+ // if( d < dist1 )
+ // {
+ // dist1 = d;
+ // neighbour = i;
+ // // post( "pdp_opencv_surf : point %d, min distance : %d ( with %d )", i, (int)d, im );
+ // }
+ // }
+ }
+
+ // check if we found the point
+ // if ( dist1 < x->x_criteria )
+ // {
+ // CvSURFPoint* r1 = (CvSURFPoint*)cvGetSeqElem( x->objectKeypoints, neighbour );
+ // const float* rdesc = (const float*)cvGetSeqElem( x->objectDescriptors, neighbour );
+
+ // // point identified
+ // sprintf( tindex, "%d", im+1 );
+ // cvPutText( x->image, tindex, cvPointFrom32f(r1->pt), &x->font, CV_RGB(255,255,255));
+ // x->x_xmark[im]=r1->pt.x;
+ // x->x_ymark[im]=r1->pt.y;
+ // memcpy( (float * )x->x_rdesc[im], rdesc, descsize*sizeof(float));
+ // x->x_found[im]=1;
+ // SETFLOAT(&x->x_list[0], im+1);
+ // SETFLOAT(&x->x_list[1], x->x_xmark[im]);
+ // SETFLOAT(&x->x_list[2], x->x_ymark[im]);
+ // outlet_list( x->x_outlet1, 0, 3, x->x_list );
+ // }
+ }
+
+ // draw the delaunay
+ if ( x->x_delaunay >= 0 )
+ {
+ CvSeqReader reader;
+ int i, total = x->x_subdiv->edges->total;
+ int elem_size = x->x_subdiv->edges->elem_size;
+
+ cvStartReadSeq( (CvSeq*)(x->x_subdiv->edges), &reader, 0 );
+
+ for( i = 0; i < total; i++ )
+ {
+ CvQuadEdge2D* edge = (CvQuadEdge2D*)(reader.ptr);
+ CvSubdiv2DPoint* org_pt;
+ CvSubdiv2DPoint* dst_pt;
+ CvPoint2D32f org;
+ CvPoint2D32f dst;
+ CvPoint iorg, idst;
+
+ if( CV_IS_SET_ELEM( edge ))
+ {
+ org_pt = cvSubdiv2DEdgeOrg((CvSubdiv2DEdge)edge);
+ dst_pt = cvSubdiv2DEdgeDst((CvSubdiv2DEdge)edge);
+
+ if( org_pt && dst_pt )
+ {
+ org = org_pt->pt;
+ dst = dst_pt->pt;
+
+ iorg = cvPoint( cvRound( org.x ), cvRound( org.y ));
+ idst = cvPoint( cvRound( dst.x ), cvRound( dst.y ));
+
+ if ( ( org.x > 0 ) && ( org.x < x->x_width ) &&
+ ( dst.x > 0 ) && ( dst.x < x->x_width ) &&
+ ( org.y > 0 ) && ( org.y < x->x_height ) &&
+ ( dst.y > 0 ) && ( dst.y < x->x_height ) )
+ cvLine( x->image, iorg, idst, CV_RGB(255,0,0), 1, CV_AA, 0 );
+ }
+ }
+
+ // draw the voronoi : useless in my opinion as points belongs to contours
+ /*
+ if( CV_IS_SET_ELEM( edge+1 ))
+ {
+ org_pt = cvSubdiv2DEdgeOrg((CvSubdiv2DEdge)edge+1);
+ dst_pt = cvSubdiv2DEdgeDst((CvSubdiv2DEdge)edge+1);
+
+ if( org_pt && dst_pt )
+ {
+ org = org_pt->pt;
+ dst = dst_pt->pt;
+
+ iorg = cvPoint( cvRound( org.x ), cvRound( org.y ));
+ idst = cvPoint( cvRound( dst.x ), cvRound( dst.y ));
+
+ cvLine( x->image, iorg, idst, CV_RGB(0,0,255), 1, CV_AA, 0 );
+ }
+ }
+ */
+
+ CV_NEXT_SEQ_ELEM( elem_size, reader );
+ }
+ }
+
+ // suppress lost points
+ for ( im=0; im<MAX_MARKERS; im++ )
+ {
+ if ( (x->x_xmark[im] != -1.0 ) && !x->x_found[im] )
+ {
+ x->x_xmark[im]=-1.0;
+ x->x_ymark[im]=-1.0;
+ SETFLOAT(&x->x_list[0], im+1);
+ SETFLOAT(&x->x_list[1], x->x_xmark[im]);
+ SETFLOAT(&x->x_list[2], x->x_ymark[im]);
+ // send a lost point message to the patch
+ outlet_list( x->x_outlet1, 0, 3, x->x_list );
+ // post( "pdp_opencv_surf : lost point %d", im+1 );
+ }
+ }
+
+ memcpy( newdata, x->image->imageData, x->x_size*3 );
+
+ cvReleaseMemStorage( &x->x_storage );
+
+ return;
+}
+
+
+static void pdp_opencv_surf_nightmode(t_pdp_opencv_surf *x, t_floatarg f)
+{
+ if ((f==0.0)||(f==1.0)) x->night_mode = (int)f;
+}
+
+static void pdp_opencv_surf_ftolerance(t_pdp_opencv_surf *x, t_floatarg f)
+{
+ if (f>0.0) x->x_ftolerance = (int)f;
+}
+
+static void pdp_opencv_surf_maxmove(t_pdp_opencv_surf *x, t_floatarg f)
+{
+ // has to be more than the size of a point
+ if (f>=3.0) x->x_maxmove = (int)f;
+}
+
+static void pdp_opencv_surf_hessian(t_pdp_opencv_surf *x, t_floatarg f)
+{
+ if ( (int)f>0 ) x->x_hessian = (int)f;
+}
+
+static void pdp_opencv_surf_criteria(t_pdp_opencv_surf *x, t_floatarg f)
+{
+ if ( (int)f>0 ) x->x_criteria = (int)f;
+}
+
+static void pdp_opencv_surf_delaunay(t_pdp_opencv_surf *x, t_symbol *s)
+{
+ if (s == gensym("on"))
+ x->x_delaunay = 0;
+ if (s == gensym("off"))
+ x->x_delaunay = -1;
+}
+
+static void pdp_opencv_surf_pdelaunay(t_pdp_opencv_surf *x, t_floatarg point, t_floatarg threshold)
+{
+ if (((int)point>0) && ((int)point<MAX_MARKERS))
+ {
+ x->x_delaunay = (int)point;
+ x->x_threshold = (int)threshold;
+ }
+}
+
+static void pdp_opencv_surf_mark(t_pdp_opencv_surf *x, t_symbol *s, int argc, t_atom *argv )
+{
+ int i;
+ int inserted;
+ int px,py;
+
+ if ( argc == 1 ) // mark all
+ {
+ if ( argv[0].a_type != A_SYMBOL )
+ {
+ error( "pdp_opencv_surf : wrong argument (should be 'all')" );
+ return;
+ }
+ if ( !strcmp( argv[0].a_w.w_symbol->s_name, "all" ) )
+ {
+ x->x_markall = 1;
+ return;
+ }
+ if ( !strcmp( argv[0].a_w.w_symbol->s_name, "none" ) )
+ {
+ x->x_markall = 0;
+ pdp_opencv_surf_clear(x);
+ return;
+ }
+ }
+ else
+ {
+ if ( ( argv[0].a_type != A_FLOAT ) || ( argv[1].a_type != A_FLOAT ) )
+ {
+ error( "pdp_opencv_surf : wrong argument (should be mark px py)" );
+ return;
+ }
+ else
+ {
+ float fperx = argv[0].a_w.w_float;
+ float fpery = argv[1].a_w.w_float;
+
+ if ( ( fperx < 0.0 ) || ( fperx > 1.0 ) || ( fpery < 0.0 ) || ( fpery > 1.0 ) )
+ {
+ return;
+ }
+
+ px = (int)(fperx*x->x_width);
+ py = (int)(fpery*x->x_height);
+ inserted = 0;
+ for ( i=0; i<MAX_MARKERS; i++)
+ {
+ if ( x->x_xmark[i] == -1 )
+ {
+ x->x_xmark[i] = px;
+ x->x_ymark[i] = py;
+ x->x_found[i] = x->x_ftolerance;
+ memset( (float * )x->x_rdesc[i], 0x0, DSCSIZE*sizeof(float));
+ inserted = 1;
+ break;
+ }
+ }
+ if ( !inserted )
+ {
+ post( "pdp_opencv_surf : max markers reached" );
+ }
+ }
+ }
+}
+
+static void pdp_opencv_surf_delete(t_pdp_opencv_surf *x, t_floatarg findex )
+{
+ int i;
+
+ if ( ( findex < 1.0 ) || ( findex > MAX_MARKERS ) )
+ {
+ return;
+ }
+
+ x->x_xmark[(int)findex-1] = -1;
+ x->x_ymark[(int)findex-1] = -1;
+}
+
+static void pdp_opencv_surf_clear(t_pdp_opencv_surf *x )
+{
+ int i;
+
+ for ( i=0; i<MAX_MARKERS; i++)
+ {
+ x->x_xmark[i] = -1;
+ x->x_ymark[i] = -1;
+ }
+}
+
+static void pdp_opencv_surf_sendpacket(t_pdp_opencv_surf *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_surf_process(t_pdp_opencv_surf *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_surf_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_surf_process_rgb, (void*)pdp_opencv_surf_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_opencv_surf_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_opencv_surf_input_0(t_pdp_opencv_surf *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_surf_process(x);
+ }
+}
+
+static void pdp_opencv_surf_free(t_pdp_opencv_surf *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->grey );
+}
+
+t_class *pdp_opencv_surf_class;
+
+
+void *pdp_opencv_surf_new(t_floatarg f)
+{
+ int i;
+
+ t_pdp_opencv_surf *x = (t_pdp_opencv_surf *)pd_new(pdp_opencv_surf_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("win_size"));
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_outlet1 = 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->night_mode = 0;
+ x->x_maxmove = 8;
+ x->x_delaunay = -1;
+ x->x_threshold = -1;
+
+ x->objectKeypoints = NULL;
+ x->objectDescriptors = NULL;
+ x->x_hessian = 500;
+ x->x_criteria = 20;
+ x->x_ftolerance = 5;
+
+ x->x_markall = 0;
+ for ( i=0; i<MAX_MARKERS; i++ )
+ {
+ x->x_xmark[i] = -1;
+ x->x_ymark[i] = -1;
+ }
+
+ // initialize font
+ cvInitFont( &x->font, CV_FONT_HERSHEY_PLAIN, 1.0, 1.0, 0, 1, 8 );
+
+ x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->oimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+ x->grey = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_surf_setup(void)
+{
+
+ post( " pdp_opencv_surf");
+ pdp_opencv_surf_class = class_new(gensym("pdp_opencv_surf"), (t_newmethod)pdp_opencv_surf_new,
+ (t_method)pdp_opencv_surf_free, sizeof(t_pdp_opencv_surf), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_nightmode, gensym("nightmode"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_hessian, gensym("hessian"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_ftolerance, gensym("ftolerance"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_mark, gensym("mark"), A_GIMME, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_delete, gensym("delete"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_clear, gensym("clear"), A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_maxmove, gensym("maxmove"), A_FLOAT, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_delaunay, gensym("delaunay"), A_SYMBOL, A_NULL );
+ class_addmethod(pdp_opencv_surf_class, (t_method)pdp_opencv_surf_pdelaunay, gensym("pdelaunay"), A_FLOAT, A_FLOAT, A_NULL );
+
+}
+
+#ifdef __cplusplus
+}
+#endif