ximgproc: add an assert in thinning()

opencv · Mar 17, 2021 · c87b295 · c87b295
1 parent 4f524db
commit c87b295
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/modules/ximgproc/src/thinning.cpp b/modules/ximgproc/src/thinning.cpp
@@ -69,6 +69,7 @@ static void thinningIteration(Mat img, int iter, int thinningType){
 // Apply the thinning procedure to a given image
 void thinning(InputArray input, OutputArray output, int thinningType){
     Mat processed = input.getMat().clone();
+    CV_Assert(processed.type == CV_8UC1);
     // Enforce the range of the input image to be in between 0 - 255
     processed /= 255;