From 262a592405e86e44d8e0d653f2964ef6f3d9a430 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Thu, 26 Apr 2012 13:15:04 +0200
Subject: harris: Increase neighbour area

---
 harris.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/harris.c b/harris.c
index 700c54c..0fdefb7 100644
--- a/harris.c
+++ b/harris.c
@@ -141,9 +141,10 @@ check_neighbours(struct mat2 *m, int x, int y, int width, int height)
 {
 	int i, j;
 	gboolean max = TRUE;
+	int n = 3;
 
-	for (j = MAX(0, y-1); j < MIN(y+1, height-1); ++j) {
-		for (i = MAX(0, x-1); i < MIN(x+1, width-1); ++i) {
+	for (j = MAX(0, y-n); j < MIN(y+n, height-1); ++j) {
+		for (i = MAX(0, x-n); i < MIN(x+n, width-1); ++i) {
 			if (m[j * width + i].mc > m[y * width + x].mc)
 				max = FALSE;
 		}
-- 
cgit