smile detector

A system with smile detection detects and triggers your action events

Finds smile and no smile on any face.

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OUR ALGORITHM IN YOUR BUSINESS

Never miss a smile ! Extract smile from facial expression

Smile detector refinement method

The mouth rectangle is surrounded by four feature points: right mouth corner, center point of upper lip, left mouth corner, center point of lower lip. Actually we would expand the rectangle wider and higher to one standard deviation in each direction.

smile features

Smile detector Real Time Case

It shows a sequence of images and their correlation value corresponding to the initial mouth pattern. These images give us some level of confidence that using correlation to identify the neutral or smile expression is possible.

smile features
OUR ALGORITHM At Every Stage

Main Output of Smile Detector

We have proposed a fast and generally low misdetection and low false alarm video based method of smile detector.

Detect Face
Optical flow
Threshold

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