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Biometric face recognition technology has received significant attention in the past several years because of its w...
Biometric face recognition technology has received significant attention in the past several years because of its wide range of applications, especially in security and law fields. Unlike the other biometric systems using fingerprints or palm prints, face recognition has an advantage because it’s non-contact oriented. The image can be captured from a distance and it doesn't require an interaction with the person.
Face perception is one of the most complex and fundamental cognitive processes. This capability has been transformed into a software program. Japanese electronics firm NEC Corp. has just released software that can recognize human faces with 99 per cent accuracy.
GLVQ-based face detection
Eye-zone extraction and facial recognition combined
Recognition based on neural network technology
High recognition rate with short processing time
High accuracy in recognition regardless of facial changes (glasses, beard, and expression)
The Perturbation Space Method algorithm developed by NEC converts two-dimensional images into three-dimensional representations of the user’s head. Combined with another algorithm called Adaptive Regional Blend Matching, which reduces the impact of changing facial expressions, they produce a “faceprint“ that is matched in a database. The complete process takes less than a second.
Developers are finding new applications for facial-recognition-software beyond law and security. For example, Facebook's DeepFace software is used to more easily tag your friends in uploaded photos, and it does so with 97.25 per cent accuracy. But, as with much of the new software out there, security issues must be considered. As a response, Facebook allows users to remove tags. Also, NEC explains that the database is very secure, keeping information in numerical form, and making it impossible to recreate facial features outside the program.
“Everyone loves to feel special,” NEC Hong Kong Managing Director Elsa Wong said in a press statement. “That’s why any organization that can greet a customer by name and start helping them the minute they walk in to a shop, bank or hotel will have a tremendous advantage over one that relies on ID cards or other impersonal procedures.”
NEC's biometric face recognition process can have diverse applications, ranging from crime-fighting and border control to medicine.