# How to find the distance between lines in a image in matlab

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Hi All, I am trying to learn how to process images in Matlab. I am trying to find the vertical distance from the upper line to the lower one. I have a few questions as to how to start the process. Do I need to convert the image to binary in order to find the edges? How can I get the count of the pixels between these two lines?

Any guidance would be greatly appreciated to get me started in the right direction.

Thanks!

Added a JPG file.

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### Accepted Answer

Image Analyst
on 29 Apr 2015

##### 9 Comments

Jean Luo
on 12 Jul 2016

### More Answers (1)

Thomas Koelen
on 29 Apr 2015

With this function you can find the lines:

You get the coordinates from both lines and substract the top from the bottom one, that's the distance.

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