German biometrics firm Dermalog Identification Systems has announced that it has developed “the world's smallest optical fingerprint scanner”, and the world's first facial recognition passenger gate using 3D sensor high-resolution camera technology.Dermalog says that when the BiometricGate's high-resolution camera technology is combined with a precisely defined field of view, that the solution can provide highly secure facial recognition.The firm has also announced that it will showcase the LF1, or “the world's smallest optical fingerprint scanner” at the CeBIT exhibition in Hanover, Germany, this week.With dimensions of just 29.4 mm x 43.4 mm x 14 mm and a weight of only 19 g, the LF1 is targeted at mobile fingerprint recognition on devices.”The LF1 offers secure biometric identification in numerous stationary and mobile applications with physical and logical access, point-of-sale terminals or vending machines as well as printers, mobile devices, safes or even door locks,” said the firm.