IPP: fixed ipp_matchTemplate

11 years ago · ce0b808e3c
parent cafcfc4d0f
commit ce0b808e3c
1 changed files with 4 additions and 2 deletions
--- a/modules/imgproc/src/templmatch.cpp
+++ b/modules/imgproc/src/templmatch.cpp
@ -634,7 +634,9 @@ void cv::matchTemplate( InputArray _img, InputArray _templ, OutputArray _result,
 #endif

 #if defined HAVE_IPP
-    if (method == CV_TM_SQDIFF && cn == 1)
+    bool useIppMT = (templ.rows < img.rows/2 && templ.cols < img.cols/2);
+
+    if (method == CV_TM_SQDIFF && cn == 1 && useIppMT)
    {
        if (ipp_sqrDistance(img, templ, result))
            return;
@ -643,7 +645,7 @@ void cv::matchTemplate( InputArray _img, InputArray _templ, OutputArray _result,
 #endif

 #if defined HAVE_IPP
-    if (cn == 1)
+    if (cn == 1 && useIppMT)
    {
        if (!ipp_crossCorr(img, templ, result))
        {