From fdbdbfe108813b6978e7f5319d029f4d1be80a65 Mon Sep 17 00:00:00 2001
From: Ankit Agrawal <aaaagrawal@iitb.ac.in>
Date: Sun, 28 Jul 2013 14:13:09 +0530
Subject: [PATCH] Correcting the definition of Ratio of Principal Curvatures

---
 skimage/feature/censure.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/skimage/feature/censure.py b/skimage/feature/censure.py
index a38edf04..c5d81373 100644
--- a/skimage/feature/censure.py
+++ b/skimage/feature/censure.py
@@ -69,7 +69,7 @@ def _suppress_line(response, sigma, rpc_threshold):
     detA = Axx * Ayy - Axy**2
     traceA = Axx + Ayy
     # ratio of principal curvatures
-    rpc = traceA / (detA + 0.001)
+    rpc = traceA**2 / (detA + 0.001)
     response[rpc > rpc_threshold] = 0
     return response