How face unlock works?

Answer 1

Face recognition is done using the face recognition algo.
It uses the features like distance between eyes, size of nose ,contours etc. This set of data is saved , analysed and compared to detect if the face matches .

Answer 2

://Simply by face recognition algorithm

//more details about face recognition algorithm
https://towardsdatascience.com/face-recognition-how-lbph-works-90ec258c3d6b

Answer 3

I thought this was not a programming related question but maybe it is as we're talking about face recognition algorithms.

Answer 4

what would the code be for that?

Answer 5

Linear Algebra does the trick. Math is something great.

Answer 6

what would the code be for that?