Google tech gauges your expression from just your eyes

Are Irish eyes smiling? I should ask my teammate Avneesh to scan me & find out:

Google Research presents a machine learning based approach to infer select facial action units and expressions entirely by analyzing a small part of the face while the user is engaged in a virtual reality experience. Specifically, images of the user’s eyes captured from an infrared (IR) gaze-tracking camera within a VR headset are sufficient to infer at least a subset of facial expressions without the use of any external cameras or additional sensors.

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[YouTube]

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