Finding Angle between two lines on an image

Question

JohnDoe_User 2016-4-18

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https://ww2.mathworks.cn/matlabcentral/answers/279652-finding-angle-between-two-lines-on-an-image

回答： Nikhil Vyas 2016-4-27

I am new to Matlab. I would like to upload images from a folder then draw two lines on a image and find the angle between the two lines, then move onto the next images. Once I am complete with all of the images, I would like to have a report with image name and angle that I found. Any leads?

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Answer 1

Nikhil Vyas 2016-4-27

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https://ww2.mathworks.cn/matlabcentral/answers/279652-finding-angle-between-two-lines-on-an-image#answer_219618

You may use Hough Transform to detect multiple lines on an image. Once you have the lines, it's pretty straightforward to calculate the angle. For details & usage of Hough Transform, refer the following link.

http://www.mathworks.com/help/images/hough-transform.html