X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=folded-ctf.git;a=blobdiff_plain;f=rich_image.cc;h=aa8b7e58ca943eadf15a6511c55f08ae3edecdc9;hp=e1d21128040bfd1eb4b31badc290b25958f24d7c;hb=HEAD;hpb=33852c7b378d419be75d15a9663ee6b071c2f534

diff --git a/rich_image.cc b/rich_image.cc
index e1d2112..aa8b7e5 100644
--- a/rich_image.cc
+++ b/rich_image.cc
@@ -1,20 +1,26 @@
-
-///////////////////////////////////////////////////////////////////////////
-// This program is free software: you can redistribute it and/or modify  //
-// it under the terms of the version 3 of the GNU General Public License //
-// as published by the Free Software Foundation.                         //
-//                                                                       //
-// This program is distributed in the hope that it will be useful, but   //
-// WITHOUT ANY WARRANTY; without even the implied warranty of            //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      //
-// General Public License for more details.                              //
-//                                                                       //
-// You should have received a copy of the GNU General Public License     //
-// along with this program. If not, see <http://www.gnu.org/licenses/>.  //
-//                                                                       //
-// Written by Francois Fleuret, (C) IDIAP                                //
-// Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
-///////////////////////////////////////////////////////////////////////////
+/*
+ *  folded-ctf is an implementation of the folded hierarchy of
+ *  classifiers for object detection, developed by Francois Fleuret
+ *  and Donald Geman.
+ *
+ *  Copyright (c) 2008 Idiap Research Institute, http://www.idiap.ch/
+ *  Written by Francois Fleuret <francois.fleuret@idiap.ch>
+ *
+ *  This file is part of folded-ctf.
+ *
+ *  folded-ctf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation.
+ *
+ *  folded-ctf is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with folded-ctf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
 
 #include <string.h>
 
@@ -88,7 +94,7 @@ void RichImage::compute_one_scale_edge_maps(int width, int height,
     }
   }
 
-  const int var_square_size = 16;
+  const unsigned int var_square_size = 16;
 
   int k00 = - 2 + width * (- 2);
   int k01 = - 1 + width * (- 2);
@@ -143,22 +149,22 @@ void RichImage::compute_one_scale_edge_maps(int width, int height,
       scale_edge_map[first_gray_tag +
                      (local_pixel_map[0] / gray_bin_width)][0][d]++;
 
-      if(x - int(var_square_size/2) >= 0 &&
-         x + int(var_square_size/2) < width &&
-         y - int(var_square_size/2) >= 0 &&
-         y + int(var_square_size/2) < height) {
-
-        int s =
-          + local_sum_pixel_map[ - var_square_size/2 + width * ( - var_square_size / 2)]
-          + local_sum_pixel_map[ + var_square_size/2 + width * ( + var_square_size / 2)]
-          - local_sum_pixel_map[ - var_square_size/2 + width * ( + var_square_size / 2)]
-          - local_sum_pixel_map[ + var_square_size/2 + width * ( - var_square_size / 2)];
-
-        int s_sq =
-          + local_sum_sq_pixel_map[ - var_square_size/2 + width * ( - var_square_size / 2)]
-          + local_sum_sq_pixel_map[ + var_square_size/2 + width * ( + var_square_size / 2)]
-          - local_sum_sq_pixel_map[ - var_square_size/2 + width * ( + var_square_size / 2)]
-          - local_sum_sq_pixel_map[ + var_square_size/2 + width * ( - var_square_size / 2)];
+      if(x - int(var_square_size / 2) >= 0 &&
+         x + int(var_square_size / 2) < width &&
+         y - int(var_square_size / 2) >= 0 &&
+         y + int(var_square_size / 2) < height) {
+
+        unsigned int s =
+          + *(local_sum_pixel_map - var_square_size / 2 + width * ( - var_square_size / 2))
+          + *(local_sum_pixel_map + var_square_size / 2 + width * ( + var_square_size / 2))
+          - *(local_sum_pixel_map - var_square_size / 2 + width * ( + var_square_size / 2))
+          - *(local_sum_pixel_map + var_square_size / 2 + width * ( - var_square_size / 2));
+
+        unsigned int s_sq =
+          + *(local_sum_sq_pixel_map - var_square_size / 2 + width * ( - var_square_size / 2))
+          + *(local_sum_sq_pixel_map + var_square_size / 2 + width * ( + var_square_size / 2))
+          - *(local_sum_sq_pixel_map - var_square_size / 2 + width * ( + var_square_size / 2))
+          - *(local_sum_sq_pixel_map + var_square_size / 2 + width * ( - var_square_size / 2));
 
         if(sq(var_square_size) * s_sq - sq(s) >=
            100 * sq(var_square_size) * (sq(var_square_size) - 1)) {