convert pixel length to cm

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

4 个评论

How big are your pixels?
how to know the pixels of the image
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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回答(1 个)

Image Analyst
Image Analyst 2019-12-17

2 个投票

See my attached spatial calibration demo.

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