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Tina6/tina-libs/tina/vision/visShape_hough2.h

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  1 /**********
  2  *
  3  * This file is part of the TINA Open Source Image Analysis Environment
  4  * henceforth known as TINA
  5  *
  6  * TINA is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License as
  8  * published by the Free Software Foundation.
  9  *
 10  * TINA is distributed in the hope that it will be useful,
 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  * GNU General Public License for more details.
 14  *
 15  * You should have received a copy of the GNU General Public License
 16  * along with TINA; if not, write to the Free Software Foundation, Inc.,
 17  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  *
 19  * ANY users of TINA who require exemption from the existing licence must
 20  * negotiate a new licence with Dr. Neil.A.Thacker, the sole agent for
 21  * the University of Manchester.
 22  *
 23  **********
 24  *
 25  * Program :    TINA
 26  * File    :  $Source: /home/tina/cvs/tina-libs/tina/vision/visShape_hough2.h,v $
 27  * Date    :  $Date: 2003/10/06 12:29:48 $
 28  * Version :  $Revision: 1.3 $
 29  * CVS Id  :  $Id: visShape_hough2.h,v 1.3 2003/10/06 12:29:48 neil Exp $
 30  *
 31  * Author  : Legacy TINA
 32  *
 33  * Notes :
 34  *
 35  *********
 36 */
 37 
 38 #ifndef TINA_VIS_SHAPE_HOUGH2_HDR
 39 #define TINA_VIS_SHAPE_HOUGH2_HDR
 40 
 41 #include <tina/sys/sysDef.h>
 42 #include <tina/math/mathDef.h>
 43 #include <tina/geometry/geomDef.h>
 44 #include <tina/vision/vis_ShapeDef.h>
 45 
 46 #ifdef __cplusplus
 47 extern "C" {
 48 #endif /* __cplusplus */
 49 
 50 Imrect *hough2_alloc(double min_x, double min_y, double max_x, double max_y, double binsize_x, double binsize_y, Vartype type);
 51 int hough2_extend_line(Line2 *line, Imrect *hough2);
 52 void hough2_plot_line(Line2 *line, Imrect *hough2, double weight);
 53 void y_based_plot(double y0, double y1, double x0, double grad, Imrect *hough2, double weight);
 54 void x_based_plot(double x0, double x1, double y0, double grad, Imrect *hough2, double weight);
 55 double im_get_quadcovar(Imrect * image, double x, double y, float *px, float *py
 56 , Mat2 *C);
 57 List *hough2_locate_peaks(Imrect *hough2, double thres);
 58 Vec2 *hough2_locate_max_peak(Imrect *hough2, double thres);
 59 double peak_func(Point2 *p);
 60 void hough2_fill(Imrect *hough2, double val);
 61 void hough2_plot_ellipse(Imrect *hough2, Vec2 *c, Mat2 *C, 
 62                          double weight);
 63 void sqrt_hough2(Imrect *hough2);
 64 
 65 #ifdef __cplusplus
 66 }
 67 #endif /* __cplusplus */
 68 #endif
 69 

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