1 // Copyright (c) 2006, 2008 Edward Rosten
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions
6 // are met:
7 //
8 // *Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 //
11 // *Redistributions in binary form must reproduce the above copyright
12 // notice, this list of conditions and the following disclaimer in the
13 // documentation and/or other materials provided with the distribution.
14 //
15 // *Neither the name of the University of Cambridge nor the names of
16 // its contributors may be used to endorse or promote products derived
17 // from this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
23 // OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 // clang-format off
32 #include <stdlib.h>
33 #include "fast.h"
34
35
aom_fast9_detect_nonmax(const byte * im,int xsize,int ysize,int stride,int b,int * ret_num_corners)36 xy* aom_fast9_detect_nonmax(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners)
37 {
38 xy* corners;
39 int num_corners;
40 int* scores;
41 xy* nonmax;
42
43 corners = aom_fast9_detect(im, xsize, ysize, stride, b, &num_corners);
44 scores = aom_fast9_score(im, stride, corners, num_corners, b);
45 nonmax = aom_nonmax_suppression(corners, scores, num_corners, ret_num_corners);
46
47 free(corners);
48 free(scores);
49
50 return nonmax;
51 }
52 // clang-format on
53