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// Copyright (C) zerofrog(, 2008-2009
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 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
//Lesser GNU General Public License for more details.
//You should have received a copy of the GNU Lesser General Public License
//along with this program. If not, see <>.
#ifndef SIFT_FAST_H
#define SIFT_FAST_H
typedef struct ImageSt {
int rows, cols; // Dimensions of image.
float *pixels; // 2D array of image pixels.
int stride; // how many floats until the next row
// (used to add padding to make rows aligned to 16 bytes)
} *Image;
typedef struct KeypointSt {
float row, col; // Subpixel location of keypoint.
float scale, ori; // Scale and orientation (range [-PI,PI])
float descrip[128]; // Vector of descriptor values
struct KeypointSt *next; // Pointer to next keypoint in list.
} *Keypoint;
#ifdef __cplusplus
extern "C" {
Keypoint GetKeypoints(Image porgimage);
Image CreateImage(int rows, int cols);
Image CreateImageFromMatlabData(double* pdata, int rows, int cols);
void DestroyAllImages();
void DestroyAllResources();
void FreeKeypoints(Keypoint keypt);
#ifdef __cplusplus