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I have a finger counting that can count 0-5. However, the result become inaccurate once the orientation of the hand is different - like when the hand is turned at 180-degree angle. To avoid this problem, I want to add to my program a function that can identify if the hand is not facing forward or at different angles.

This should be the proper hand orientation that would result accurate reading

This is an example of other hand orientation that would lead to inaccurate result

I tried to solve my issue by getting the coordinates of the middle fingertip and wrist. Then I tried to compare those coordinates to know if the hand is at a different orientation.I would like to know if there are other ways that I can do it. Or even how i can improve what I did. Thank you

aaagge
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