Image Processing - Measuring geometric sizes in the image

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oz astyuker
oz astyuker 2019-9-20
评论： oz astyuker 2019-9-20
Hello, thank you in advance for anyone who can help.
I have a grayscale image, I want to write a code that will do the following measurements:
1. Measure minimum distance in a particular area
2. Measure thickness in a particular area
see attached pdf
You can assume 1mm = 1 pixel
  2 个评论
thoughtGarden
thoughtGarden 2019-9-20
Are you wanting to click on the image to select the points to measure? Otherwise how do you plan to obtain the pixel data?
oz astyuker
oz astyuker 2019-9-20
no. i want the code to do that for me, maybe using edge function

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回答（2 个）

thoughtGarden
thoughtGarden 2019-9-20
You may be interested in this function: https://www.mathworks.com/matlabcentral/fileexchange/7173-grabit
Seems like what you are looking for.
syed rahim
syed rahim 2019-9-20
https://www.mathworks.com/help/images/ref/images.roi.line.html
The example listed on the page is straight forward and should apply to your situation.

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