convert pixel length to cm

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mukesh bisht
mukesh bisht 2019-12-17
评论： Mert Küçük 2021-7-27
i have obtained the minimum length of image in pixel. But i want the value in 'cm'. How can i obtain this?
2019-12-17 (6).png
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Image Analyst
Image Analyst 2019-12-17
You didn't run my demo below did you? Why don't you at least try it and I'll check back later today if you still have questions.
Matt J
Matt J 2019-12-17
编辑：Matt J 2019-12-17
how to know the pixels of the image
You need to determine it based on the size of something(s) in the image that you know.

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Image Analyst
Image Analyst 2019-12-17
See my attached spatial calibration demo.

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