How to remove the black regions in the holes of the letters?

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ezhil K 2019-1-22

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https://ww2.mathworks.cn/matlabcentral/answers/440899-how-to-remove-the-black-regions-in-the-holes-of-the-letters

评论： ezhil K 2019-1-22

I have detected and cropped the license plate.But the image looks like this.I have to remove the black colur area in the holes in letter"B" and numbers "6" and"9".How can I do so?Anyone please help me. Screenshot (38).png

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Image Analyst 2019-1-22

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Looks like you need to improve your segmentation algorithm. Were the white spots ever there in a binary image earlier in the process? Then figure out which step got rid of them. Perhaps it was a bwareaopen() or bwareafilt().