Fawkes API  Fawkes Development Version
thresholds_luminance.h
1 
2 /**************************************************************************
3  * thresholds.h - This header defines thresholds for color classification
4  *
5  * Created: Wed May 11 11:22:00 2005
6  * Copyright 2005 Martin Heracles <Martin.Heracles@rwth-aachen.de>
7  * Tim Niemueller [www.niemueller.de]
8  *
9  ***************************************************************************/
10 
11 /* This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version. A runtime exception applies to
15  * this software (see LICENSE.GPL_WRE file mentioned below for details).
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU Library General Public License for more details.
21  *
22  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
23  */
24 
25 #ifndef _FIREVISION_COLORMODEL_LUMINANCE_H_
26 #define _FIREVISION_COLORMODEL_LUMINANCE_H_
27 
28 #include <fvmodels/color/colormodel.h>
29 
30 namespace firevision {
31 
32 /* The following thresholds define certain color regions in the
33  two-dimensional UV-Colorspace (ignoring the Y-component).
34  It is assumed that the Y-, U- and V-components range from 0 to 255 each,
35  and that (0, 0) is at the lower left corner. */
36 
37 // 2/3 * 255
38 #define THRESHOLD_WHITE_Y_LOW 170
39 
40 class ColorModelLuminance : public ColorModel
41 {
42 public:
43  ColorModelLuminance(const unsigned int threshold_white_low = THRESHOLD_WHITE_Y_LOW);
44 
45  color_t determine(unsigned int y, unsigned int u, unsigned int v) const;
46 
47  const char *get_name();
48  void print_thresholds();
49 
50 private:
51  unsigned int threshold_white_low_;
52 };
53 
54 } // end namespace firevision
55 
56 #endif
firevision::ColorModelLuminance::get_name
const char * get_name()
Definition: thresholds_luminance.cpp:57
firevision::ColorModelLuminance::print_thresholds
void print_thresholds()
Print the thresholds to stdout.
Definition: thresholds_luminance.cpp:65
firevision::ColorModelLuminance::ColorModelLuminance
ColorModelLuminance(const unsigned int threshold_white_low=THRESHOLD_WHITE_Y_LOW)
Constructor.
Definition: thresholds_luminance.cpp:41
firevision::ColorModelLuminance::determine
color_t determine(unsigned int y, unsigned int u, unsigned int v) const
Definition: thresholds_luminance.cpp:47