+++ /dev/null
-/*M///////////////////////////////////////////////////////////////////////////////////////
-//
-// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-//
-//
-// Intel License Agreement
-// For Open Source Computer Vision Library
-//
-// Copyright (C) 2000, Intel Corporation, all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// * The name of Intel Corporation may not be used to endorse or promote products
-// derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors "as is" and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/
-
-#include "_cvaux.h"
-
-#define PATH_TO_E 1
-#define PATH_TO_SE 2
-#define PATH_TO_S 3
-
-#define K_S 2
-#define E_S 2
-#define C_S .01
-#define K_Z 5000
-#define K_NM 50000
-#define K_B 40
-#define NULL_EDGE 0.001f
-#define inf DBL_MAX
-
-typedef struct __CvWork
-{
- double w_east;
- double w_southeast;
- double w_south;
- char path_e;
- char path_se;
- char path_s;
-}_CvWork;
-
-
-double _cvBendingWork( CvPoint2D32f* B0,
- CvPoint2D32f* F0,
- CvPoint2D32f* B1,
- CvPoint2D32f* F1/*,
- CvPoint* K */);
-
-double _cvStretchingWork(CvPoint2D32f* P1,
- CvPoint2D32f* P2);
-
-void _cvWorkEast (int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2);
-void _cvWorkSouthEast(int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2);
-void _cvWorkSouth (int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2);
-
-static CvPoint2D32f null_edge = {0,0};
-
-double _cvStretchingWork(CvPoint2D32f* P1,
- CvPoint2D32f* P2)
-{
- double L1,L2, L_min, dL;
-
- L1 = sqrt( (double)P1->x*P1->x + P1->y*P1->y);
- L2 = sqrt( (double)P2->x*P2->x + P2->y*P2->y);
-
- L_min = MIN(L1, L2);
- dL = fabs( L1 - L2 );
-
- return K_S * pow( dL, E_S ) / ( L_min + C_S*dL );
-}
-
-
-////////////////////////////////////////////////////////////////////////////////////
-double _cvBendingWork( CvPoint2D32f* B0,
- CvPoint2D32f* F0,
- CvPoint2D32f* B1,
- CvPoint2D32f* F1/*,
- CvPoint* K*/)
-{
- CvPoint2D32f Q( CvPoint2D32f q0, CvPoint2D32f q1, CvPoint2D32f q2, double t );
- double angle( CvPoint2D32f A, CvPoint2D32f B );
-
- CvPoint2D32f Q0, Q1, Q2;
- CvPoint2D32f Q1_nm = { 0, 0 }, Q2_nm = { 0, 0 };
- double d0, d1, d2, des, t_zero;
- double k_zero, k_nonmon;
- CvPoint2D32f center;
- double check01, check02;
- char check_origin;
- double d_angle, d_nm_angle;
-/*
- if( (B0->x==0) && (B0->y==0) )
- {
- if( (F0->x==0) && (F0->y==0) )
- {
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- d_angle = acos( (B1->x*F1->x + B1->y*F1->y)/sqrt( (B1->x*B1->x + B1->y*B1->y)*(F1->x*F1->x + F1->y*F1->y) ) );
- d_angle = CV_PI - d_angle;
-
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- //return d_angle*K_B;
- return 100;
- }
- K->x = -K->x;
- K->y = -K->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- d_angle = acos( (B1->x*F1->x + B1->y*F1->y)/sqrt( (B1->x*B1->x + B1->y*B1->y)*(F1->x*F1->x + F1->y*F1->y) ) );
- d_angle = d_angle - acos( (F0->x*K->x + F0->y*K->y)/sqrt( (F0->x*F0->x + F0->y*F0->y)*(K->x*K->x + K->y*K->y) ) );
- d_angle = d_angle - CV_PI*0.5;
- d_angle = fabs(d_angle);
-
-
- K->x = -K->x;
- K->y = -K->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- //return d_angle*K_B;
- return 100;
- }
-
-
- if( (F0->x==0) && (F0->y==0) )
- {
- K->x = -K->x;
- K->y = -K->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- d_angle = acos( (B1->x*F1->x + B1->y*F1->y)/sqrt( (B1->x*B1->x + B1->y*B1->y)*(F1->x*F1->x + F1->y*F1->y) ) );
- d_angle = d_angle - acos( (B0->x*K->x + B0->y*K->y)/sqrt( (B0->x*B0->x + B0->y*B0->y)*(K->x*K->x + K->y*K->y) ) );
- d_angle = d_angle - CV_PI*0.5;
- d_angle = fabs(d_angle);
-
- K->x = -K->x;
- K->y = -K->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-
- //return d_angle*K_B;
- return 100;
- }
-///////////////
-
- if( (B1->x==0) && (B1->y==0) )
- {
- if( (F1->x==0) && (F1->y==0) )
- {
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- d_angle = acos( (B0->x*F0->x + B0->y*F0->y)/sqrt( (B0->x*B0->x + B0->y*B0->y)*(F0->x*F0->x + F0->y*F0->y) ) );
- d_angle = CV_PI - d_angle;
-
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- //return d_angle*K_B;
- return 100;
- }
- K->x = -K->x;
- K->y = -K->y;
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- d_angle = acos( (B0->x*F0->x + B0->y*F0->y)/sqrt( (B0->x*B0->x + B0->y*B0->y)*(F0->x*F0->x + F0->y*F0->y) ) );
- d_angle = d_angle - acos( (F1->x*K->x + F1->y*K->y)/sqrt( (F1->x*F1->x + F1->y*F1->y)*(K->x*K->x + K->y*K->y) ) );
- d_angle = d_angle - CV_PI*0.5;
- d_angle = fabs(d_angle);
-
- K->x = -K->x;
- K->y = -K->y;
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- //return d_angle*K_B;
- return 100;
- }
-
-
- if( (F1->x==0) && (F1->y==0) )
- {
- K->x = -K->x;
- K->y = -K->y;
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- d_angle = acos( (B0->x*F0->x + B0->y*F0->y)/sqrt( (B0->x*B0->x + B0->y*B0->y)*(F0->x*F0->x + F0->y*F0->y) ) );
- d_angle = d_angle - acos( (B1->x*K->x + B1->y*K->y)/sqrt( (B1->x*B1->x + B1->y*B1->y)*(K->x*K->x + K->y*K->y) ) );
- d_angle = d_angle - CV_PI*0.5;
- d_angle = fabs(d_angle);
-
- K->x = -K->x;
- K->y = -K->y;
- B0->x = -B0->x;
- B0->y = -B0->y;
-
- //return d_angle*K_B;
- return 100;
- }
-
-*/
-
-/*
- B0->x = -B0->x;
- B0->y = -B0->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-*/
- Q0.x = F0->x * (-B0->x) + F0->y * (-B0->y);
- Q0.y = F0->x * (-B0->y) - F0->y * (-B0->x);
-
- Q1.x = 0.5f*( (F1->x * (-B0->x) + F1->y * (-B0->y)) + (F0->x * (-B1->x) + F0->y * (-B1->y)) );
- Q1.y = 0.5f*( (F1->x * (-B0->y) - F1->y * (-B0->x)) + (F0->x * (-B1->y) - F0->y * (-B1->x)) );
-
- Q2.x = F1->x * (-B1->x) + F1->y * (-B1->y);
- Q2.y = F1->x * (-B1->y) - F1->y * (-B1->x);
-
- d0 = Q0.x * Q1.y - Q0.y * Q1.x;
- d1 = 0.5f*(Q0.x * Q2.y - Q0.y * Q2.x);
- d2 = Q1.x * Q2.y - Q1.y * Q2.x;
-
- // Check angles goes to zero
- des = Q1.y*Q1.y - Q0.y*Q2.y;
-
- k_zero = 0;
-
- if( des >= 0 )
- {
- t_zero = ( Q0.y - Q1.y + sqrt(des) )/( Q0.y - 2*Q1.y + Q2.y );
-
- if( (0 < t_zero) && (t_zero < 1) && ( Q(Q0, Q1, Q2, t_zero).x > 0 ) )
- {
- k_zero = inf;
- }
-
- t_zero = ( Q0.y - Q1.y - sqrt(des) )/( Q0.y - 2*Q1.y + Q2.y );
-
- if( (0 < t_zero) && (t_zero < 1) && ( Q(Q0, Q1, Q2, t_zero).x > 0 ) )
- {
- k_zero = inf;
- }
- }
-
- // Check nonmonotonic
- des = d1*d1 - d0*d2;
-
- k_nonmon = 0;
-
- if( des >= 0 )
- {
- t_zero = ( d0 - d1 - sqrt(des) )/( d0 - 2*d1 + d2 );
-
- if( (0 < t_zero) && (t_zero < 1) )
- {
- k_nonmon = 1;
- Q1_nm = Q(Q0, Q1, Q2, t_zero);
- }
-
- t_zero = ( d0 - d1 + sqrt(des) )/( d0 - 2*d1 + d2 );
-
- if( (0 < t_zero) && (t_zero < 1) )
- {
- k_nonmon += 2;
- Q2_nm = Q(Q0, Q1, Q2, t_zero);
- }
- }
-
- // Finde origin lie in Q0Q1Q2
- check_origin = 1;
-
- center.x = (Q0.x + Q1.x + Q2.x)/3;
- center.y = (Q0.y + Q1.y + Q2.y)/3;
-
- check01 = (center.x - Q0.x)*(Q1.y - Q0.y) + (center.y - Q0.y)*(Q1.x - Q0.x);
- check02 = (-Q0.x)*(Q1.y - Q0.y) + (-Q0.y)*(Q1.x - Q0.x);
- if( check01*check02 > 0 )
- {
- check01 = (center.x - Q1.x)*(Q2.y - Q1.y) + (center.y - Q1.y)*(Q2.x - Q1.x);
- check02 = (-Q1.x)*(Q2.y - Q1.y) + (-Q1.y)*(Q2.x - Q1.x);
- if( check01*check02 > 0 )
- {
- check01 = (center.x - Q2.x)*(Q0.y - Q2.y) + (center.y - Q2.y)*(Q0.x - Q2.x);
- check02 = (-Q2.x)*(Q0.y - Q2.y) + (-Q2.y)*(Q0.x - Q2.x);
- if( check01*check02 > 0 )
- {
- check_origin = 0;
- }
- }
- }
-
- // Calculate angle
- d_nm_angle = 0;
- d_angle = angle(Q0,Q2);
- if( k_nonmon == 0 )
- {
- if( check_origin == 0 )
- {
- }
- else
- {
- d_angle = 2*CV_PI - d_angle;
- }
- }
- else
- {
- if( k_nonmon == 1 )
- {
- d_nm_angle = angle(Q0,Q1_nm);
- if(d_nm_angle > d_angle)
- {
- d_nm_angle = d_nm_angle - d_angle;
- }
- }
-
- if( k_nonmon == 2 )
- {
- d_nm_angle = angle(Q0,Q2_nm);
- if(d_nm_angle > d_angle)
- {
- d_nm_angle = d_nm_angle - d_angle;
- }
- }
-
- if( k_nonmon == 3 )
- {
- d_nm_angle = angle(Q0,Q1_nm);
- if(d_nm_angle > d_angle)
- {
- d_nm_angle = d_nm_angle - d_angle;
- d_nm_angle = d_nm_angle + angle(Q0, Q2_nm);
- }
- else
- {
- d_nm_angle = d_nm_angle + angle(Q2,Q2_nm);
- }
- }
- }
-/*
- B0->x = -B0->x;
- B0->y = -B0->y;
- B1->x = -B1->x;
- B1->y = -B1->y;
-*/
- return d_angle*K_B + d_nm_angle*K_NM + k_zero*K_Z;
- //return 0;
-}
-
-
-/////////////////////////////////////////////////////////////////////////////////
-void _cvWorkEast(int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2)
-{
- double w1,w2;
- CvPoint2D32f small_edge;
-
- //W[i,j].w_east
- w1 = W[i-1][j].w_east /*+ _cvBendingWork( &edges1[i-2],
- &edges1[i-1],
- &null_edge ,
- &null_edge,
- NULL)*/;
-
- small_edge.x = NULL_EDGE*edges1[i-1].x;
- small_edge.y = NULL_EDGE*edges1[i-1].y;
-
- w2 = W[i-1][j].w_southeast + _cvBendingWork(&edges1[i-2],
- &edges1[i-1],
- &edges2[j-1],
- /*&null_edge*/&small_edge/*,
- &edges2[j]*/);
-
- if(w1<w2)
- {
- W[i][j].w_east = w1 + _cvStretchingWork( &edges1[i-1], &null_edge );
- W[i][j].path_e = PATH_TO_E;
- }
- else
- {
- W[i][j].w_east = w2 + _cvStretchingWork( &edges1[i-1], &null_edge );
- W[i][j].path_e = PATH_TO_SE;
- }
-}
-
-
-
-
-
-////////////////////////////////////////////////////////////////////////////////////
-void _cvWorkSouthEast(int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2)
-{
- double w1,w2,w3;
- CvPoint2D32f small_edge;
-
- //W[i,j].w_southeast
- small_edge.x = NULL_EDGE*edges1[i-2].x;
- small_edge.y = NULL_EDGE*edges1[i-2].y;
-
- w1 = W[i-1][j-1].w_east + _cvBendingWork(&edges1[i-2],
- &edges1[i-1],
- /*&null_edge*/&small_edge,
- &edges2[j-1]/*,
- &edges2[j-2]*/);
-
- w2 = W[i-1][j-1].w_southeast + _cvBendingWork( &edges1[i-2],
- &edges1[i-1],
- &edges2[j-2],
- &edges2[j-1]/*,
- NULL*/);
-
- small_edge.x = NULL_EDGE*edges2[j-2].x;
- small_edge.y = NULL_EDGE*edges2[j-2].y;
-
- w3 = W[i-1][j-1].w_south + _cvBendingWork( /*&null_edge*/&small_edge,
- &edges1[i-1],
- &edges2[j-2],
- &edges2[j-1]/*,
- &edges1[i-2]*/);
-
- if( w1<w2 )
- {
- if(w1<w3)
- {
- W[i][j].w_southeast = w1 + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
- W[i][j].path_se = PATH_TO_E;
- }
- else
- {
- W[i][j].w_southeast = w3 + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
- W[i][j].path_se = 3;
- }
- }
- else
- {
- if( w2<w3)
- {
- W[i][j].w_southeast = w2 + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
- W[i][j].path_se = PATH_TO_SE;
- }
- else
- {
- W[i][j].w_southeast = w3 + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
- W[i][j].path_se = 3;
- }
- }
-}
-
-
-//////////////////////////////////////////////////////////////////////////////////////
-void _cvWorkSouth(int i, int j, _CvWork** W, CvPoint2D32f* edges1, CvPoint2D32f* edges2)
-{
- double w1,w2;
- CvPoint2D32f small_edge;
-
- //W[i,j].w_south
-
- small_edge.x = NULL_EDGE*edges2[j-1].x;
- small_edge.y = NULL_EDGE*edges2[j-1].y;
-
- w1 = W[i][j-1].w_southeast + _cvBendingWork(&edges1[i-1],
- /*&null_edge*/&small_edge,
- &edges2[j-2],
- &edges2[j-1]/*,
- &edges1[i]*/);
-
- w2 = W[i][j-1].w_south /*+ _cvBendingWork( &null_edge ,
- &null_edge,
- &edges2[j-2],
- &edges2[j-1],
- NULL)*/;
-
- if( w1<w2 )
- {
- W[i][j].w_south = w1 + _cvStretchingWork( &null_edge, &edges2[j-1] );
- W[i][j].path_s = PATH_TO_SE;
- }
- else
- {
- W[i][j].w_south = w2 + _cvStretchingWork( &null_edge, &edges2[j-1] );
- W[i][j].path_s = 3;
- }
-}
-
-//===================================================
-CvPoint2D32f Q(CvPoint2D32f q0,CvPoint2D32f q1,CvPoint2D32f q2,double t)
-{
- CvPoint2D32f q;
-
- q.x = (float)(q0.x*(1-t)*(1-t) + 2*q1.x*t*(1-t) + q2.x*t*t);
- q.y = (float)(q0.y*(1-t)*(1-t) + 2*q1.y*t*(1-t) + q2.y*t*t);
-
- return q;
-}
-
-double angle(CvPoint2D32f A, CvPoint2D32f B)
-{
- return acos( (A.x*B.x + A.y*B.y)/sqrt( (double)(A.x*A.x + A.y*A.y)*(B.x*B.x + B.y*B.y) ) );
-}
-
-/***************************************************************************************\
-*
-* This function compute intermediate polygon between contour1 and contour2
-*
-* Correspondence between points of contours specify by corr
-*
-* param = [0,1]; 0 correspondence to contour1, 1 - contour2
-*
-\***************************************************************************************/
-CvSeq* icvBlendContours(CvSeq* contour1,
- CvSeq* contour2,
- CvSeq* corr,
- double param,
- CvMemStorage* storage)
-{
- int j;
-
- CvSeqWriter writer01;
- CvSeqReader reader01;
-
- int Ni,Nj; // size of contours
- int i; // counter
-
- CvPoint* point1; // array of first contour point
- CvPoint* point2; // array of second contour point
-
- CvPoint point_output; // intermediate storage of ouput point
-
- int corr_point;
-
- // Create output sequence.
- CvSeq* output = cvCreateSeq(0,
- sizeof(CvSeq),
- sizeof(CvPoint),
- storage );
-
- // Find size of contours.
- Ni = contour1->total + 1;
- Nj = contour2->total + 1;
-
- point1 = (CvPoint* )malloc( Ni*sizeof(CvPoint) );
- point2 = (CvPoint* )malloc( Nj*sizeof(CvPoint) );
-
- // Initialize arrays of point
- cvCvtSeqToArray( contour1, point1, CV_WHOLE_SEQ );
- cvCvtSeqToArray( contour2, point2, CV_WHOLE_SEQ );
-
- // First and last point mast be equal.
- point1[Ni-1] = point1[0];
- point2[Nj-1] = point2[0];
-
- // Initializes process of writing to sequence.
- cvStartAppendToSeq( output, &writer01);
-
- i = Ni-1; //correspondence to points of contour1
- for( ; corr; corr = corr->h_next )
- {
- //Initializes process of sequential reading from sequence
- cvStartReadSeq( corr, &reader01, 0 );
-
- for(j=0; j < corr->total; j++)
- {
- // Read element from sequence.
- CV_READ_SEQ_ELEM( corr_point, reader01 );
-
- // Compute point of intermediate polygon.
- point_output.x = cvRound(point1[i].x + param*( point2[corr_point].x - point1[i].x ));
- point_output.y = cvRound(point1[i].y + param*( point2[corr_point].y - point1[i].y ));
-
- // Write element to sequence.
- CV_WRITE_SEQ_ELEM( point_output, writer01 );
- }
- i--;
- }
- // Updates sequence header.
- cvFlushSeqWriter( &writer01 );
-
- return output;
-}
-
-/**************************************************************************************************
-*
-*
-*
-*
-*
-*
-*
-*
-*
-*
-**************************************************************************************************/
-
-
-void icvCalcContoursCorrespondence(CvSeq* contour1,
- CvSeq* contour2,
- CvSeq** corr,
- CvMemStorage* storage)
-{
- int i,j; // counter of cycles
- int Ni,Nj; // size of contours
- _CvWork** W; // graph for search minimum of work
-
- CvPoint* point1; // array of first contour point
- CvPoint* point2; // array of second contour point
- CvPoint2D32f* edges1; // array of first contour edge
- CvPoint2D32f* edges2; // array of second contour edge
-
- //CvPoint null_edge = {0,0}; //
- CvPoint2D32f small_edge;
- //double inf; // infinity
-
- CvSeq* corr01;
- CvSeqWriter writer;
-
- char path; //
-
- // Find size of contours
- Ni = contour1->total + 1;
- Nj = contour2->total + 1;
-
- // Create arrays
- W = (_CvWork**)malloc(sizeof(_CvWork*)*Ni);
- for(i=0; i<Ni; i++)
- {
- W[i] = (_CvWork*)malloc(sizeof(_CvWork)*Nj);
- }
-
- point1 = (CvPoint* )malloc( Ni*sizeof(CvPoint) );
- point2 = (CvPoint* )malloc( Nj*sizeof(CvPoint) );
- edges1 = (CvPoint2D32f* )malloc( (Ni-1)*sizeof(CvPoint2D32f) );
- edges2 = (CvPoint2D32f* )malloc( (Nj-1)*sizeof(CvPoint2D32f) );
-
- // Initialize arrays of point
- cvCvtSeqToArray( contour1, point1, CV_WHOLE_SEQ );
- cvCvtSeqToArray( contour2, point2, CV_WHOLE_SEQ );
-
- point1[Ni-1] = point1[0];
- point2[Nj-1] = point2[0];
-
- for(i=0;i<Ni-1;i++)
- {
- edges1[i].x = (float)( point1[i+1].x - point1[i].x );
- edges1[i].y = (float)( point1[i+1].y - point1[i].y );
- };
-
- for(i=0;i<Nj-1;i++)
- {
- edges2[i].x = (float)( point2[i+1].x - point2[i].x );
- edges2[i].y = (float)( point2[i+1].y - point2[i].y );
- };
-
- // Find infinity constant
- //inf=1;
-/////////////
-
-//Find min path in graph
-
-/////////////
- W[0][0].w_east = 0;
- W[0][0].w_south = 0;
- W[0][0].w_southeast = 0;
-
- W[1][1].w_southeast = _cvStretchingWork( &edges1[0], &edges2[0] );
- W[1][1].w_east = inf;
- W[1][1].w_south = inf;
- W[1][1].path_se = PATH_TO_SE;
-
- W[0][1].w_south = _cvStretchingWork( &null_edge, &edges2[0] );
- W[0][1].path_s = 3;
- W[1][0].w_east = _cvStretchingWork( &edges2[0], &null_edge );
- W[1][0].path_e = PATH_TO_E;
-
- for( i=1; i<Ni; i++ )
- {
- W[i][0].w_south = inf;
- W[i][0].w_southeast = inf;
- }
-
- for(j=1; j<Nj; j++)
- {
- W[0][j].w_east = inf;
- W[0][j].w_southeast = inf;
- }
-
- for(i=2; i<Ni; i++)
- {
- j=0;/////////
- W[i][j].w_east = W[i-1][j].w_east;
- W[i][j].w_east = W[i][j].w_east /*+
- _cvBendingWork( &edges1[i-2], &edges1[i-1], &null_edge, &null_edge, NULL )*/;
- W[i][j].w_east = W[i][j].w_east + _cvStretchingWork( &edges2[i-1], &null_edge );
- W[i][j].path_e = PATH_TO_E;
-
- j=1;//////////
- W[i][j].w_south = inf;
-
- _cvWorkEast (i, j, W, edges1, edges2);
-
- W[i][j].w_southeast = W[i-1][j-1].w_east;
- W[i][j].w_southeast = W[i][j].w_southeast + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
-
- small_edge.x = NULL_EDGE*edges1[i-2].x;
- small_edge.y = NULL_EDGE*edges1[i-2].y;
-
- W[i][j].w_southeast = W[i][j].w_southeast +
- _cvBendingWork( &edges1[i-2], &edges1[i-1], /*&null_edge*/&small_edge, &edges2[j-1]/*, &edges2[Nj-2]*/);
-
- W[i][j].path_se = PATH_TO_E;
- }
-
- for(j=2; j<Nj; j++)
- {
- i=0;//////////
- W[i][j].w_south = W[i][j-1].w_south;
- W[i][j].w_south = W[i][j].w_south + _cvStretchingWork( &null_edge, &edges2[j-1] );
- W[i][j].w_south = W[i][j].w_south /*+
- _cvBendingWork( &null_edge, &null_edge, &edges2[j-2], &edges2[j-1], NULL )*/;
- W[i][j].path_s = 3;
-
- i=1;///////////
- W[i][j].w_east= inf;
-
- _cvWorkSouth(i, j, W, edges1, edges2);
-
- W[i][j].w_southeast = W[i-1][j-1].w_south;
- W[i][j].w_southeast = W[i][j].w_southeast + _cvStretchingWork( &edges1[i-1], &edges2[j-1] );
-
- small_edge.x = NULL_EDGE*edges2[j-2].x;
- small_edge.y = NULL_EDGE*edges2[j-2].y;
-
- W[i][j].w_southeast = W[i][j].w_southeast +
- _cvBendingWork( /*&null_edge*/&small_edge, &edges1[i-1], &edges2[j-2], &edges2[j-1]/*, &edges1[Ni-2]*/);
- W[i][j].path_se = 3;
- }
-
- for(i=2; i<Ni; i++)
- for(j=2; j<Nj; j++)
- {
- _cvWorkEast (i, j, W, edges1, edges2);
- _cvWorkSouthEast(i, j, W, edges1, edges2);
- _cvWorkSouth (i, j, W, edges1, edges2);
- }
-
- i=Ni-1;j=Nj-1;
-
- *corr = cvCreateSeq(0,
- sizeof(CvSeq),
- sizeof(int),
- storage );
-
- corr01 = *corr;
- cvStartAppendToSeq( corr01, &writer );
- if( W[i][j].w_east > W[i][j].w_southeast )
- {
- if( W[i][j].w_southeast > W[i][j].w_south )
- {
- path = 3;
- }
- else
- {
- path = PATH_TO_SE;
- }
- }
- else
- {
- if( W[i][j].w_east < W[i][j].w_south )
- {
- path = PATH_TO_E;
- }
- else
- {
- path = 3;
- }
- }
- do
- {
- CV_WRITE_SEQ_ELEM( j, writer );
-
- switch( path )
- {
- case PATH_TO_E:
- path = W[i][j].path_e;
- i--;
- cvFlushSeqWriter( &writer );
- corr01->h_next = cvCreateSeq( 0,
- sizeof(CvSeq),
- sizeof(int),
- storage );
- corr01 = corr01->h_next;
- cvStartAppendToSeq( corr01, &writer );
- break;
-
- case PATH_TO_SE:
- path = W[i][j].path_se;
- j--; i--;
- cvFlushSeqWriter( &writer );
- corr01->h_next = cvCreateSeq( 0,
- sizeof(CvSeq),
- sizeof(int),
- storage );
- corr01 = corr01->h_next;
- cvStartAppendToSeq( corr01, &writer );
- break;
-
- case 3:
- path = W[i][j].path_s;
- j--;
- break;
- }
-
- } while( (i>=0) && (j>=0) );
- cvFlushSeqWriter( &writer );
-
- // Free memory
- for(i=1;i<Ni;i++)
- {
- free(W[i]);
- }
- free(W);
- free(point1);
- free(point2);
- free(edges1);
- free(edges2);
-}
-