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Posted 21 Apr 2008

Image Alignment Algorithms - Part II

, 21 Apr 2008 CPOL
Implementing and comparing the forwards compositional and the Hager-Belhumeur algorithms.
// Module: auxfunc.h
// Brief:  
// Author: Oleg A. Krivtsov
// Email:
// Date:  March 2008

#ifndef __AUXFUNC_H__
#define __AUXFUNC_H__

#include "cv.h"

void init_warp(CvMat* W, float wz, float tx, float ty, float s);

void warp_image(IplImage* pSrcFrame, IplImage* pDstFrame, CvMat* W, float step=1.0f);
void draw_warped_rect(IplImage* pImage, CvRect rect, CvMat* W);

 *  Helper macros for getting/setting CvMat elements.

#define SET_VECTOR(X, u, v)\
	CV_MAT_ELEM(*(X), float, 0, 0) = (float)(u);\
	CV_MAT_ELEM(*(X), float, 1, 0) = (float)(v);\
	CV_MAT_ELEM(*(X), float, 2, 0) = 1.0f;

#define GET_VECTOR(X, u, v)\
	(u) = (int)CV_MAT_ELEM(*(X), float, 0, 0);\
	(v) = (int)CV_MAT_ELEM(*(X), float, 1, 0);
#endif //__AUXFUNC_H__

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About the Author

Oleg Krivtsov
Software Developer
Russian Federation Russian Federation
No Biography provided

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