초록 ▼

A compact, handheld imaging apparatus which can be used to capture high-quality iris images for identification of a person. The handheld iris imager is non-invasive and non-contacting and comprises a camera, a cold mirror, a lens, and an illuminator. The imager has sensors and indicators which assis

A compact, handheld imaging apparatus which can be used to capture high-quality iris images for identification of a person. The handheld iris imager is non-invasive and non-contacting and comprises a camera, a cold mirror, a lens, and an illuminator. The imager has sensors and indicators which assist a user in aligning and focusing the device. The imager also automatically captures the image when proper positioning is achieved. A template representative of the iris features is extracted and then compared to a database of previously stored templates to identify the person.

대표청구항 ▼

[ What is claimed is:] [1.]1. A handheld iris imaging apparatus for obtaining an image of an iris of an eye, comprising:iris acquisition means having a front surface;a lens having an image plane disposed in front of said front surface of said iris acquisition means;a concave cold mirror disposed on

[ What is claimed is:] [1.]1. A handheld iris imaging apparatus for obtaining an image of an iris of an eye, comprising:iris acquisition means having a front surface;a lens having an image plane disposed in front of said front surface of said iris acquisition means;a concave cold mirror disposed on a side of said lens opposite said iris acquisition means; andan illuminator disposed along a side of said mirror.