Source Code for Module pycv.cs.cv.patch.objectlocation

 1  # PyCV - A Computer Vision Package for Python Incorporating Fast Training of Face Detection 
 2   
 3  # Copyright 2007 Nanyang Technological University, Singapore. 
 4  # Authors: Minh-Tri Pham, Viet-Dung D. Hoang, and Tat-Jen Cham. 
 5   
 6  # This file is part of PyCV. 
 7   
 8  # PyCV is free software: you can redistribute it and/or modify 
 9  # it under the terms of the GNU General Public  
10  # License as published by the Free Software Foundation, either version  
11  # 3 of the License, or (at your option) any later version. 
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13  # PyCV is distributed in the hope that it will be useful, 
14  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
15  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
16  # GNU General Public License for more details. 
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18  # You should have received a copy of the GNU General Public License 
19  # along with this program.  If not, see <http://www.gnu.org/licenses/>. 
20   
21  # --------------------------------------------------------------------- 
22  #!/usr/bin/env python 
23   
24   
25  __all__ = ['ObjectLocation'] 
26   
27  # import the necessary things 
28  from numpy import array 
29   
30   
31  #------------------------------------------------------------------------------- 
32  # Object Location class 
33  #------------------------------------------------------------------------------- 
34 -class ObjectLocation: 
35      """The location of an object in an image. 
36   
37      :Parameters: 
38          x : double 
39              The object's center point's location's x component. 
40          y : double 
41              The object's center point's location's y component. 
42          shape_type : integer 
43              Type of the shape bounding the object, this can be: 
44                  0: a square/circle 
45                  1: a rectangle/ellipse 
46          rx : double 
47              The x-axis radius. 
48          ry : double 
49              The y-axis radius. 
50          The values of rx and ry depend on shape_type: 
51              shape_type=0: rx = ry = l/2, where l is the length of the square, or 
52                  the radius of the circle 
53              shape_type=1: rx = w/2, ry = h/2, where (w,h) is the size of the rectangle, 
54                  or the two radiuses (fix this) of the ellipse 
55          angle : double 
56              Angle of rotation, clock-wise, w.r.t. x-axis (in radian) 
57      """ 
58      x = 0.0 
59      y = 0.0 
60      shape_type = 0 
61      rx = 0.0 
62      ry = 0.0 
63      angle = 0.0 
64