What's your take on Face Recognition Technology?

Some of the Lenovo notebooks are coming with face recognition software, which is actually a reemergence of an old idea. Now that some systems include integrated cameras with much better quality (1.3MP), facial recognition has become much better. In practice this works very well and is extremely fast at recognition.

The included software lets you log onto your Windows account simply by sitting in front of your system. Your face is your password.

Depending on the software used, face recognition uses multiple techniques to identify a person’s face. Some of the more advanced programs use texture mapping in which a person’s skin texture is analyzed and matched. Most however, define nodal points on a person’s face and then use software to mathematically represent those points. Things measured include distance between the eyes, width of the nose, length of the jaw line, or shape of the cheekbones. Together these concatenate a numerical code which is stored in a database for later retrieval.