How to rotate all my measurements of an object to a single reference line fixed in the object.

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Hello all I have a motor tooth which i am using for imaging. I used shape drive camera system to measure the tooth and analyse it in matlab. The problem is i have to move the tooth several times and hence cannot manipulate the same point from two different measurements. How do I fix a reference in my object and ensure that all the measurements are translated to this reference right before by analysis in matlab? Is there a translation matrix available which can be applied commonly to most cases? would be happy to have help as this is very new for me.
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Snehalatha
Snehalatha on 20 Jul 2015
Hey Image analyst, Thank you bu i have figured out the reference issue. i converted it into a ply file and used pcregrigid.

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Answers (1)

Muthu Annamalai
Muthu Annamalai on 16 Jul 2015
Edited: Muthu Annamalai on 16 Jul 2015
Hello Snehalatha,
Can you share more details - like a sample image, code etc. ?
I assume you have to find the gear axle point as a reference, and use a MATLAB function from Image processing toolbox to find your affine transform the works for you.
HTH
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