/**
* @file AKAZEConfig.h
* @brief AKAZE configuration file
* @date Feb 23, 2014
* @author Pablo F. Alcantarilla, Jesus Nuevo
*/
#ifndef __OPENCV_FEATURES_2D_AKAZE_CONFIG_H__
#define __OPENCV_FEATURES_2D_AKAZE_CONFIG_H__
namespace cv
{
/* ************************************************************************* */
/// AKAZE configuration options structure
struct AKAZEOptions {
AKAZEOptions()
: omax(4)
, nsublevels(4)
, img_width(0)
, img_height(0)
, soffset(1.6f)
, derivative_factor(1.5f)
, sderivatives(1.0)
, diffusivity(KAZE::DIFF_PM_G2)
, dthreshold(0.001f)
, min_dthreshold(0.00001f)
, descriptor(AKAZE::DESCRIPTOR_MLDB)
, descriptor_size(0)
, descriptor_channels(3)
, descriptor_pattern_size(10)
, kcontrast(0.001f)
, kcontrast_percentile(0.7f)
, kcontrast_nbins(300)
{
}
int omax; ///< Maximum octave evolution of the image 2^sigma (coarsest scale sigma units)
int nsublevels; ///< Default number of sublevels per scale level
int img_width; ///< Width of the input image
int img_height; ///< Height of the input image
float soffset; ///< Base scale offset (sigma units)
float derivative_factor; ///< Factor for the multiscale derivatives
float sderivatives; ///< Smoothing factor for the derivatives
int diffusivity; ///< Diffusivity type
float dthreshold; ///< Detector response threshold to accept point
float min_dthreshold; ///< Minimum detector threshold to accept a point
int descriptor; ///< Type of descriptor
int descriptor_size; ///< Size of the descriptor in bits. 0->Full size
int descriptor_channels; ///< Number of channels in the descriptor (1, 2, 3)
int descriptor_pattern_size; ///< Actual patch size is 2*pattern_size*point.scale
float kcontrast; ///< The contrast factor parameter
float kcontrast_percentile; ///< Percentile level for the contrast factor
int kcontrast_nbins; ///< Number of bins for the contrast factor histogram
};
}
#endif