BIOMETRIC IMAGING DEVICES AND ASSOCIATED METHODS

摘要

Systems, devices, and methods for identifying an individual in both cooperative and non-cooperative situations are provided. In one aspect, for example, a system for identifying an individual can include an active light source capable of emitting electromagnetic radiation having at least one wavelength of from about 700 nm to about 1200 nm, and an imager device positioned to receive the electromagnetic radiation upon reflection from an individual to generate an electronic representation of the individual. The system can also include an image processing module functionally coupled to the imager device to receive the electronic representation. The image processing module processes the electronic representation into an individual representation having at least one substantially unique identification trait. The imager device can include a semiconductor device layer having a thickness of less than about 10 microns, at least two doped regions forming a junction, and a textured region positioned to interact with the electromagnetic radiation, and can have an external quantum efficiency of at least about 33% for at least one wavelength of greater than 800 nm.

主权项

1. A system for identifying an individual, comprising:
an active light source capable of emitting electromagnetic radiation having at least one wavelength of from about 700 nm to about 1200 nm; an imager device positioned to receive the electromagnetic radiation upon reflection from an individual to generate an electronic representation of the individual, the imager device including a semiconductor device layer having a thickness of less than about 10 microns, at least two doped regions forming a junction, and a textured region positioned to interact with the electromagnetic radiation, wherein the imaging device has an external quantum efficiency of at least about 33% for electromagnetic radiation having at least one wavelength of greater than 800 nm; and an image processing module functionally coupled to the imager device and operable to receive the electronic representation, wherein the image processing module is operable to process the electronic representation into an individual representation having at least one substantially unique identification trait.