What is Smile Detection?
Smile detection is a feature in cameras which is designed to activate the shutter when the subject smiles. Initially introduced in digital cameras, the concept has spread to camera phones and video cameras, and it has potential applications for security systems, as well. The addition of smile detection software tends to make a camera more expensive, but some consumers feel that the price is worth it, and it will drop over time, as the cost of all features eventually does. The development of smile detection started with facial recognition software. A camera with facial recognition is capable of identifying the faces of people and animals in the shot so that the camera can pull its focus in the direction of the face. Facial detection can generally be turned off or on at will by the user, and novice photographers often find it a useful tool, as it ensures that faces are captured in crisp, clear focus. Once facial detection software had been developed, smile detection was a logical progres
