1 /* This is AGAST and OAST, an optimal and accelerated corner detector
2               based on the accelerated segment tests
3    Below is the original copyright and the references */
4 
5 /*
6 Copyright (C) 2010  Elmar Mair
7 All rights reserved.
8 
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions
11 are met:
12 
13     *Redistributions of source code must retain the above copyright
14      notice, this list of conditions and the following disclaimer.
15 
16     *Redistributions in binary form must reproduce the above copyright
17      notice, this list of conditions and the following disclaimer in the
18      documentation and/or other materials provided with the distribution.
19 
20     *Neither the name of the University of Cambridge nor the names of
21      its contributors may be used to endorse or promote products derived
22      from this software without specific prior written permission.
23 
24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36 
37 /*
38 The references are:
39  * Adaptive and Generic Corner Detection Based on the Accelerated Segment Test,
40    Elmar Mair and Gregory D. Hager and Darius Burschka
41    and Michael Suppa and Gerhard Hirzinger ECCV 2010
42    URL: http://www6.in.tum.de/Main/ResearchAgast
43 */
44 
45 
46 #ifndef __OPENCV_FEATURES_2D_AGAST_HPP__
47 #define __OPENCV_FEATURES_2D_AGAST_HPP__
48 
49 #ifdef __cplusplus
50 
51 #include "precomp.hpp"
52 namespace cv
53 {
54 
55 void makeAgastOffsets(int pixel[16], int row_stride, int type);
56 
57 template<int type>
58 int agast_cornerScore(const uchar* ptr, const int pixel[], int threshold);
59 
60 }
61 #endif
62 #endif
63