Missing square of trace in Harris.

lxlsosi · Jan 23, 2013 · e9d87ca · e9d87ca
1 parent fce99a1
commit e9d87ca
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/PCV/localdescriptors/harris.py b/PCV/localdescriptors/harris.py
@@ -22,7 +22,7 @@ def compute_harris_response(im,sigma=3):
     Wdet = Wxx*Wyy - Wxy**2
     Wtr = Wxx + Wyy
 
-    return Wdet / Wtr
+    return Wdet / (Wtr*Wtr)
 
 
 def get_harris_points(harrisim,min_dist=10,threshold=0.1):

diff --git a/pcv_book/harris.py b/pcv_book/harris.py
@@ -22,7 +22,7 @@ def compute_harris_response(im,sigma=3):
     Wdet = Wxx*Wyy - Wxy**2
     Wtr = Wxx + Wyy
 
-    return Wdet / Wtr
+    return Wdet / (Wtr*Wtr)
 
 
 def get_harris_points(harrisim,min_dist=10,threshold=0.1):