Fawkes API  Fawkes Development Version
laplace.h
1 
2 /***************************************************************************
3  * laplace.h - Header of the laplace filter
4  *
5  * Created: Thu Jun 16 16:28:38 2005
6  * Copyright 2005-2012 Tim Niemueller [www.niemueller.de]
7  ****************************************************************************/
8 
9 /* This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version. A runtime exception applies to
13  * this software (see LICENSE.GPL_WRE file mentioned below for details).
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Library General Public License for more details.
19  *
20  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
21  */
22 
23 #ifndef _FIREVISION_FILTER_LAPLACE_H_
24 #define _FIREVISION_FILTER_LAPLACE_H_
25 
26 #if !(defined(HAVE_IPP) || defined(HAVE_OPENCV))
27 # error "Neither IPP nor OpenCV installed"
28 #endif
29 
30 #include <fvfilters/filter.h>
31 
32 namespace firevision {
33 
34 class FilterLaplace : public Filter
35 {
36 public:
37  FilterLaplace();
38  FilterLaplace(float sigma, unsigned int size, float scale);
40 
41  virtual void apply();
42 
43  static void calculate_kernel(int *kernel_buffer, float sigma, unsigned int size, float scale);
44 
45 private:
46  int *kernel;
47  // only used for OpenCV, but adding unconditional to avoid weird
48  // problems with differently sized class type sizes of macro missing
49  float * kernel_float;
50  unsigned int kernel_size;
51 };
52 
53 } // end namespace firevision
54 
55 #endif
Laplacian filter.
Definition: laplace.h:35
~FilterLaplace()
Destructor.
Definition: laplace.cpp:74
virtual void apply()
Apply the filter.
Definition: laplace.cpp:85
FilterLaplace()
Constructor.
Definition: laplace.cpp:49
static void calculate_kernel(int *kernel_buffer, float sigma, unsigned int size, float scale)
Calculate a Laplacian of Gaussian kernel.
Definition: laplace.cpp:198
Filter interface.
Definition: filter.h:33