Error with Measure Distances in an Image

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Hi!
I was using the code presenting in this documentation https://www.mathworks.com/help/images/measure-distances-in-images.html and I get an error in the first line of the startDrawing function. The error is: Undefined variable "images" or class "images.roi.Line".
Why this is happening?
Thanks!
  4 个评论
Soohyeon Shin
Soohyeon Shin 2021-5-31
It will be solved if you install the 'image processing toolbox' :)

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采纳的回答

Walter Roberson
Walter Roberson 2020-8-7
images.roi.Line needs at least R2018b I believe.

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