/**
* @file TEvolution.h
* @brief Header file with the declaration of the TEvolution struct
* @date Jun 02, 2014
* @author Pablo F. Alcantarilla
*/
#ifndef __OPENCV_FEATURES_2D_TEVOLUTION_H__
#define __OPENCV_FEATURES_2D_TEVOLUTION_H__
namespace cv
{
/* ************************************************************************* */
/// KAZE/A-KAZE nonlinear diffusion filtering evolution
struct TEvolution
{
TEvolution() {
etime = 0.0f;
esigma = 0.0f;
octave = 0;
sublevel = 0;
sigma_size = 0;
}
Mat Lx, Ly; ///< First order spatial derivatives
Mat Lxx, Lxy, Lyy; ///< Second order spatial derivatives
Mat Lt; ///< Evolution image
Mat Lsmooth; ///< Smoothed image
Mat Ldet; ///< Detector response
float etime; ///< Evolution time
float esigma; ///< Evolution sigma. For linear diffusion t = sigma^2 / 2
int octave; ///< Image octave
int sublevel; ///< Image sublevel in each octave
int sigma_size; ///< Integer esigma. For computing the feature detector responses
};
}
#endif