error in detecting components using bwlabel
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SHOBA MOHAN
le 29 Jan 2018
Commenté : Image Analyst
le 30 Jan 2018
I used bwlabel for detecting connected components but i got error output i.e 3 objects are detected instead of 8. I am attaching input image. Expecting your suggestion.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169591/image.jpeg)
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Walter Roberson
le 29 Jan 2018
bwlabel assumes that the white pixels are where the data is and that the black pixels are holes. When you have black text on a white background you need to invert the image.
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Image Analyst
le 30 Jan 2018
Or you could sum the image vertically to find the gaps between the symbols.
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