2 * folded-ctf is an implementation of the folded hierarchy of
3 * classifiers for object detection, developed by Francois Fleuret
6 * Copyright (c) 2008 Idiap Research Institute, http://www.idiap.ch/
7 * Written by Francois Fleuret <francois.fleuret@idiap.ch>
9 * This file is part of folded-ctf.
11 * folded-ctf is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 3 as
13 * published by the Free Software Foundation.
15 * folded-ctf is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with folded-ctf. If not, see <http://www.gnu.org/licenses/>.
27 This class factorizes the information from a PoseCell needed by a
28 PiFeature to be evaluated on an image. Since there can be in there
29 costly operations such as trigonometric mappings, it provides a
30 substantial cost optimization.
34 #ifndef PI_REFERENTIAL_H
35 #define PI_REFERENTIAL_H
37 #include "rectangle.h"
38 #include "pose_cell.h"
39 #include "rgb_image.h"
42 // The best scale so that the head size is
43 // ~global.reference_head_size. This is an integer scale as defined
47 scalar_t _horizontal_polarity;
49 // The head frame in _common_scale. The vectors are of length the _RADIUS_ of the head
50 scalar_t _head_xc, _head_yc, _head_radius;
51 scalar_t _head_window_scaling;
52 scalar_t _head_ux, _head_uy, _head_vx, _head_vy;
53 scalar_t _head_ux_nopolarity, _head_uy_nopolarity, _head_vx_nopolarity, _head_vy_nopolarity;
55 //**********************************************************************
56 // Useless fields, but they are necessary so that the optimized code
57 // with g++ gives the same results as some reference
58 // experiments. Sorry for that.
59 scalar_t _body_xc, _body_yc;
61 //**********************************************************************
63 // The belly frame is defined by the belly location and head scale
64 scalar_t _belly_xc, _belly_yc;
65 scalar_t _belly_ux, _belly_uy, _belly_vx, _belly_vy;
66 scalar_t _belly_ux_nopolarity, _belly_uy_nopolarity, _belly_vx_nopolarity, _belly_vy_nopolarity;
67 scalar_t _belly_window_scaling;
69 // The head-belly frame is defined by the head location and the belly
70 scalar_t _head_belly_xc, _head_belly_yc;
71 scalar_t _head_belly_ux, _head_belly_uy, _head_belly_vx, _head_belly_vy;
72 int _head_belly_edge_shift;
74 void draw_frame(RGBImage *image,
75 int registration_mode,
82 PiReferential(PoseCell *cell);
85 // A square frame centered on the head, of size four times the
86 // head radius and, flipped horizontally if the belly is on the
87 // left of the head center
90 // Same as above, without the flipping
93 // A frame centered on the belly, of size eight times the head
94 // radius, flipped horizontally if the belly is on the left of the
98 // Same as above, without the flipping
101 // A frame centered on the middle point between the head center
102 // and the belly, of size twice the distance head center - belly
103 // in the head-belly direction, and of four times the head radius
107 // Same as above with rotation of the edges
113 // The rectangle coordinates are in the reference frames. For the
114 // head for instance [-0.5, 0.5] x [-0.5, 0.5] corresponds to the
117 void register_rectangle(int registration_mode,
121 int register_edge(int registration_type, int edge_type);
123 void draw(RGBImage *image, int level);
125 void draw_window(RGBImage *image,
126 int registration_mode, Rectangle *window,
129 static void print_registration_mode(ostream *out, int registration_mode);