1 /* This is FAST corner detector, contributed to OpenCV by the author, Edward Rosten. 2 Below is the original copyright and the references */ 3 4 /* 5 Copyright (c) 2006, 2008 Edward Rosten 6 All rights reserved. 7 8 Redistribution and use in source and binary forms, with or without 9 modification, are permitted provided that the following conditions 10 are met: 11 12 *Redistributions of source code must retain the above copyright 13 notice, this list of conditions and the following disclaimer. 14 15 *Redistributions in binary form must reproduce the above copyright 16 notice, this list of conditions and the following disclaimer in the 17 documentation and/or other materials provided with the distribution. 18 19 *Neither the name of the University of Cambridge nor the names of 20 its contributors may be used to endorse or promote products derived 21 from this software without specific prior written permission. 22 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 28 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 29 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* 37 The references are: 38 * Machine learning for high-speed corner detection, 39 E. Rosten and T. Drummond, ECCV 2006 40 * Faster and better: A machine learning approach to corner detection 41 E. Rosten, R. Porter and T. Drummond, PAMI, 2009 42 */ 43 44 #ifndef __OPENCV_FEATURES_2D_FAST_HPP__ 45 #define __OPENCV_FEATURES_2D_FAST_HPP__ 46 47 #ifdef __cplusplus 48 49 #include "precomp.hpp" 50 51 namespace cv 52 { 53 54 void makeOffsets(int pixel[25], int row_stride, int patternSize); 55 56 template<int patternSize> 57 int cornerScore(const uchar* ptr, const int pixel[], int threshold); 58 59 } 60 61 #endif 62 #endif 63