I am trying to compare Modal posture to my posture

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Hello

I used https://medium.com/@dwayneforde/image... this link to integrate open CV and compare one of model posture to my posture but after implementing it is only identifying identical picture. Is there anything in open cv through which i can compare postures . (One is default picture saved in assets, another taken from camera) if they match or not. If there is something like this paid or unpaid Kindly revert me as soon as possible.