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Called EmotionScan, the online feature linking facial expression to personal finance management skills was developed by the Bank of New Zealand in partnership with a psychologist, Dr Stuart Carr, and Swiss emotion software firm nViso.

"This is a technical demo for face substitution technique. The application works in real time and it's developed using the opensource framework for creative coding openFrameworks: openFrameworks.cc The face tracking library returns a mesh that matches the contour of the eyes, nose, mouth and other facial features. That way the mesh obtained from a photo is matched to the face in the video.

"A team of researchers at EPFL have developed a prototype that uses in-car cameras to analyse drivers' facial expressions to detect emotion, in particular irritation."

Recent Royal College of Art (RCA) design graduate David Hedberg's Smile TV is more than a loving homage to the good old 'campfire inside the living room.' Made from an open frame CRT monitor and equipped with a computer vision system, the unsuspecting television set turns the medium's engagement pattern on its head: instead of making you smile at on-screen silliness, you have to "smile to watch." Only when you do - and for as long as you do - will Smile TV reveal its otherwise scrambled broadcast. "This project grew out from experimenting with facial recognition and image manipulation," Hedberg explains over email.

This television uses facial recognition technology to locate its viewer, then rotates its screen to face them.

"The company's research arm is experimenting with facial recognition to gauge how audiences react. "