1
Randal Glass, Marcos Salganicoff, Ulf Cahn von Seelen: Method and apparatus for securely transmitting and authenticating biometric data over a network. Sensar, Woodcock Washburn, December 18, 2001: US06332193 (265 worldwide citation)

A method and apparatus for collecting and securely transmitting biometric data over a network contains a sensor, preferably a camera, for collecting biometric data and code generating hardware and software. The camera data is digitized and a unique code which is a function of the digitized camera da ...


2
Randal Glass: Method and apparatus for applying and verifying a biometric-based digital signature to an electronic document. Sensar, Woodcock Washburn, April 22, 2003: US06553494 (115 worldwide citation)

A method and apparatus are disclosed whereby a person signs an electronic document using a personal biometric. A sample of biometric data is collected from the person at the time of the signing of the document, and encrypted with the document itself and various other data to form a digital signature ...


3
Theodore A Camus, Marcus Salganicoff, Thomas A Chmielewski Jr, Keith James Hanna: Method and apparatus for removal of bright or dark spots by the fusion of multiple images. Sensar, Sarnoff Corporation, Buchanan Ingersoll P C, July 11, 2000: US06088470 (95 worldwide citation)

A reliable method and apparatus for illuminating and imaging eyes uses multiple light sources producing multiple images of a subject each created under illumination by different illuminators. A composite image of the subject is formed by selecting pixels based upon their gray scale values or using p ...


4
Guang Hua Zhang, Marcos Salganicoff: Method of measuring the focus of close-up images of eyes. Sensar, Buchanan Ingersoll P C, September 14, 1999: US05953440 (73 worldwide citation)

In a method of determining whether an image of an eye is in focus a set of pixels is selected along a line passing through the pupil/iris boundary such that the set contains at least 5 iris portion pixels and at least 5 pupil portion pixels. Statistical values, preferably median values, are computed ...


5
Guang Hua Zhang: Method of selecting the best enroll image for personal identification. Sensar, Buchanan Ingersoll P C, November 2, 1999: US05978494 (72 worldwide citation)

A method is described for selecting an enrollment image or standard from multiple close-up images of a subject such as a human eye. The selected image is the one image that best represents the appearance of that subject to an image processing system which identifies subjects by comparison of later t ...


6
Marcus Salganicoff, Keith James Hanna: Method and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination. Sensar, Woodcock Washburn Kurtz Mackiewicz & Norris, June 26, 2001: US06252977 (67 worldwide citation)

A reliable method of illuminating and imaging an eye through eyeglasses uses a carefully selected subset of multiple monochromatic light sources, a camera with an imager that exhibits minimal blooming, and a narrow-bandwidth optical bandpass filter to filter out most of the ambient illumination whil ...


7
J Michael Rozmus, Marcos Salganicoff: Method and apparatus for illuminating and imaging eyes through eyeglasses. Sensar, Buchanan Ingersoll P C, May 30, 2000: US06069967 (63 worldwide citation)

A reliable method of illuminating and imaging an eye through eyeglasses uses a monochromatic light source with the smallest possible source area, a camera with an imager that exhibits minimal blooming, and a narrow-bandwidth optical bandpass filter to filter out most of the ambient illumination whil ...


8
Theodore A Camus, Thomas A Chmielewski Jr: Image subtraction to remove ambient illumination. Sensar, Buchanan Ingersoll P C, February 1, 2000: US06021210 (63 worldwide citation)

In a method of image subtraction a series of frames of a subject are taken using a video camera The subject is illuminated in a manner so that illumination is alternately on then off for successive fields within the image frame. A single frame is grabbed and an absolute difference between the odd fi ...


9
J Michael Rozmus, Michael Negin, Guy Dela Rosa, Anthony O Brien: Method and apparatus for positioning subjects before a single camera. Sensar, Buchanan Ingersoll P C, May 16, 2000: US06064752 (61 worldwide citation)

A system and method of positioning a head of a subject to be photographed by a single camera uses a mirror and at least one collimated light beam. The single camera is positioned so that there is a selected specific location in space within a field of view of the camera at which the head or eye of t ...


10
Glen Van Sant, Michael Negin, John Drozd, Thomas A Chmielewski Jr, Kevin Carl Kaighn: Compact imaging device incorporating rotatably mounted cameras. Sensar, Woodcock Washburn Kurtz Mackiewicz & Norris, November 20, 2001: US06320610 (59 worldwide citation)

A compact image steering and focusing device has a generally rectangular frame containing at least one illuminator and at least one and preferably two cameras and a pan/tilt mirror on a tilting frame. There is a tilt axis through the frame. A tilt motor is attached to the frame to turn the frame abo ...



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