From fb8478eb7b6c76f15c106c29a8843d8c3722bb62 Mon Sep 17 00:00:00 2001
From: Dikay900 <dark900@xyz.de>
Date: Fri, 20 Mar 2015 13:26:13 +0100
Subject: [PATCH] add resetting the offset variable after setting a new image

---
 modules/objdetect/src/cascadedetect.cpp | 4 ++++
 modules/objdetect/src/cascadedetect.hpp | 1 +
 2 files changed, 5 insertions(+)

diff --git a/modules/objdetect/src/cascadedetect.cpp b/modules/objdetect/src/cascadedetect.cpp
index c4fedd46db..46a1d60f2d 100644
--- a/modules/objdetect/src/cascadedetect.cpp
+++ b/modules/objdetect/src/cascadedetect.cpp
@@ -677,6 +677,10 @@ void HaarEvaluator::computeOptFeatures()
     copyVectorToUMat(*optfeatures_lbuf, ufbuf);
 }
 
+bool HaarEvaluator::setImage(InputArray _image, const std::vector<float>& _scales){
+    tofs = 0;
+    return FeatureEvaluator::setImage(_image, _scales);
+}
 
 bool HaarEvaluator::setWindow( Point pt, int scaleIdx )
 {
diff --git a/modules/objdetect/src/cascadedetect.hpp b/modules/objdetect/src/cascadedetect.hpp
index 4cbf3e9bf0..156f0468db 100644
--- a/modules/objdetect/src/cascadedetect.hpp
+++ b/modules/objdetect/src/cascadedetect.hpp
@@ -347,6 +347,7 @@ public:
     virtual Ptr<FeatureEvaluator> clone() const;
     virtual int getFeatureType() const { return FeatureEvaluator::HAAR; }
 
+    virtual bool setImage(InputArray _image, const std::vector<float>& _scales);
     virtual bool setWindow(Point p, int scaleIdx);
     Rect getNormRect() const;
     int getSquaresOffset() const;