From 98e0d13f997ee3bf5a63251964bc3a59aed9271e Mon Sep 17 00:00:00 2001
From: Steven Puttemans <steven.puttemans@kuleuven.be>
Date: Sat, 9 Sep 2017 09:51:20 +0200
Subject: [PATCH] fixing issue 9583 - issue in cascadeclassifier code
 clipObjects

---
 modules/objdetect/src/cascadedetect.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/objdetect/src/cascadedetect.cpp b/modules/objdetect/src/cascadedetect.cpp
index 76011bd458..0b7868a1d1 100644
--- a/modules/objdetect/src/cascadedetect.cpp
+++ b/modules/objdetect/src/cascadedetect.cpp
@@ -1666,7 +1666,7 @@ void clipObjects(Size sz, std::vector<Rect>& objects,
     for( i = 0; i < n; i++ )
     {
         Rect r = win0 & objects[i];
-        if( r.area() > 0 )
+        if( !r.empty() )
         {
             objects[j] = r;
             if( i > j )