Computer can now reveal your fake facial expressions

Real and fake smiles can be tricky to distinguish, but researchers have now developed computer software that can spot false facial expressions. By analyzing the movement of the smile across a person's face, the software can determine whether or not the expression is genuine, said the study published in the journal Advanced Engineering Informatics. The most significant movements detected by the software were around the eyes, supporting popular theories that a spontaneous, genuine smile is one that can be seen in a person's eyes. 

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