NeckFace collar that can track all facial expressions

Engineers from Cornell University have in their hands an interesting project called NeckFace that can identify the easy expression of a person completely, it is a smart necklace and continuously tracks expressions, by means of infrared cameras that are capable of capturing images from the chin and the face from below the neck, with the help of the images a 3D constriction of each of our expressions can be produced, this necklace is to be included in the field of mental health to track the emotions of the users and could serve to represent expressions in virtual reality of a partner and ours.