How to measure Diameter of the blister

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sathishkumar subburaj
sathishkumar subburaj am 14 Okt. 2019
HI i want to measure the change in diameter of the blister due to presuure can any one help me how can i calculate it.My image pixel size is 1944 x 2942 .I attacehd my image with this file. please can any one tell me the answer

Antworten (1)

Vinai Datta Thatiparthi
Vinai Datta Thatiparthi am 12 Nov. 2019
Hi Sathish!
This worksflow briefly captures the method whichcould be helpful to you -
Firstly, start out by using the imcrop function to get the area of interest from the image. Further, consider using the different image thresholding options available here on MATLAB to isolate the blister from the rest of the image. As a final step, you use the function regionprops to get the desired output. This workflow briefly captures the method which could be helpful to you.
The Documentation links for the commands imcrop and regionprops are here -
Hope this helps!

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