Fixed estimation Hessian matrix eigenvalue in getRidgeFilteredImage()

5e7035b3 · Vitaly Tuzov · 670acd99 · 5e7035b3
Commit 5e7035b3 authored Feb 07, 2018 by Vitaly Tuzov
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ridgedetectionfilter.cpp modules/ximgproc/src/ridgedetectionfilter.cpp +1 -1

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--- a/modules/ximgproc/src/ridgedetectionfilter.cpp
+++ b/modules/ximgproc/src/ridgedetectionfilter.cpp
@@ -57,7 +57,7 @@ void RidgeDetectionFilterImpl::getRidgeFilteredImage(InputArray _img, OutputArra
    multiply(sbxx, sbyy, sbxxyy);
    Mat rootex;
-    rootex = (sb2xx +  (sb2xy + sb2xy + sb2xy + sb2xy)  - (sbxxyy + sbxxyy) + sb2xy );
+    rootex = (sb2xx +  (sb2xy + sb2xy + sb2xy + sb2xy)  - (sbxxyy + sbxxyy) + sb2yy );
    Mat root;
    sqrt(rootex, root);
    Mat ridgexp;