add credit to David

2014-04-04 10:39:08 +01:00 · 2014-04-04 10:39:08 +01:00 · ca30eac21a
commit ca30eac21a
parent 76f1217fab
1 changed files with 5 additions and 0 deletions
--- a/libvips/arithmetic/hough_circle.c
+++ b/libvips/arithmetic/hough_circle.c
@ -31,6 +31,11 @@

 */

+/* Derived in part from David Young's Matlab circle detector:
+ *
+ * http://www.mathworks.com/matlabcentral/fileexchange/26978-hough-transform-for-circles
+ */
+
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif /*HAVE_CONFIG_H*/