How can i extract vertical lines from the print given?
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I want to extract only the verticle lines which might be present in the lip print given using only morphological operations. Is there any preprocessing required before doing so?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/160594/image.jpeg)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/160595/image.jpeg)
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Image Analyst
2017 年 2 月 11 日
You can use bwareaopen() to get rid of the large blobs. Then get rid of horizontal lines using
windowWidth = 5; % Whatever...some odd number.
verticalLines = imerode(binaryImage, ones(windowWidth, 1));
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