Why i get empty (black image) when extract the pixel label data
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abdullah al-dulaimi
il 17 Nov 2022
Commentato: yasmin ismail
il 10 Ott 2023
when i extract pixel label data to path forlder i founded the images empty (black images)!!
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Navya Singam
il 23 Nov 2022
Hi,
You can refer to the following MATLAB answer: Why do I get all black image result after exporting Labels as PNG file format from the Image Labeler App? - MATLAB Answers - MATLAB Central (mathworks.com)
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yasmin ismail
il 10 Ott 2023
@Navya Singam I used you the link above, it helped to show the label images but how to use it to find jaccrad index , the labeled image already black and gives low jaccard index as shown in attached images and following code:
A = logical(imread('7001-236.png'));
BW_groundTruth =logical(imread('Label_1.png'));
similarity = jaccard(A(:,:,1), BW_groundTruth)
similarity =
0.0925
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