fix blobdetector

03662c05 · StevenPuttemans · fd7a2def · 03662c05
Commit 03662c05 authored Sep 04, 2014 by StevenPuttemans
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blobdetector.cpp modules/features2d/src/blobdetector.cpp +3 -0

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--- a/modules/features2d/src/blobdetector.cpp
+++ b/modules/features2d/src/blobdetector.cpp
@@ -282,6 +282,9 @@ void SimpleBlobDetector::detectImpl(const cv::Mat& image, std::vector<cv::KeyPoi
    else
        grayscaleImage = image;

+    if (grayscaleImage.type != CV_8UC1){
+        CV_Error(CV_StsUnsupportedFormat, "Blob detector only supports 8-bit images!");
+    }
    vector < vector<Center> > centers;
    for (double thresh = params.minThreshold; thresh < params.maxThreshold; thresh += params.thresholdStep)
    {