From bf3d34ccf27e251c2d36a5bf005218454add5bd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= <hannesschoenberger@gmail.com>
Date: Wed, 12 Sep 2012 08:24:12 +0200
Subject: [PATCH] Let foerstner return both corner measures

---
 skimage/feature/corner.py | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/skimage/feature/corner.py b/skimage/feature/corner.py
index 0d35c93a..4c1dd89c 100644
--- a/skimage/feature/corner.py
+++ b/skimage/feature/corner.py
@@ -246,7 +246,6 @@ def corner_foerstner(image, sigma=1):
 
         w = det(A) / trace(A)           (size of error ellipse)
         q = 4 * det(A) / trace(A)**2    (roundness of error ellipse)
-        w * q                           (corner measure)
 
     Parameters
     ----------
@@ -258,8 +257,8 @@ def corner_foerstner(image, sigma=1):
 
     Returns
     -------
-    response : ndarray
-        Foerstner response image.
+    w, q : ndarray
+        Foerstner response images.
 
     References
     ----------
@@ -279,6 +278,4 @@ def corner_foerstner(image, sigma=1):
     w = detA / traceA
     q = 4 * detA / traceA**2
 
-    response = w * q
-
-    return response
+    return w, q