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(4.x) Merge 3.4 #2898

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Merged
merged 3 commits into from
Mar 22, 2021
Merged

(4.x) Merge 3.4 #2898

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22cbfd6
ximgproc: add an assert in thinning()
berak Mar 17, 2021
4de4ede
Merge pull request #2894 from berak:imgproc_fix_thinning
alalek Mar 17, 2021
bc49c5a
Merge remote-tracking branch 'upstream/3.4' into merge-3.4
alalek Mar 22, 2021
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1 change: 1 addition & 0 deletions modules/ximgproc/src/thinning.cpp
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Expand Up @@ -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_CheckTypeEQ(processed.type(), CV_8UC1, "");
// Enforce the range of the input image to be in between 0 - 255
processed /= 255;

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