Hand gesture recognition
What remains to be done is to classify the hand gesture based on the number of extended fingers. For example, if we find five extended fingers, we assume the hand to be open, whereas no extended fingers implies a fist. All that we are trying to do is count from zero to five and make the app recognize the corresponding number of fingers.
This is actually trickier than it might seem at first. For example, people in Europe might count to three by extending their thumb, index finger, and middle finger. If you do that in the US, people there might get horrendously confused, because they do not tend to use their thumbs when signaling the number two. This might lead to frustration, especially in restaurants (trust me). If we could ...
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