51
Kikuo Fujimura, Xia Liu: Sign based human-machine interaction. Honda Motor, The Ohio State University Research Foundation, Fenwick & West, Mark E Duell, December 11, 2007: US07308112 (429 worldwide citation)

Communication is an important issue in man-to-robot interaction. Signs can be used to interact with machines by providing user instructions or commands. Embodiment of the present invention include human detection, human body parts detection, hand shape analysis, trajectory analysis, orientation dete ...


52
Stephen Eldon Leis, David Ristau: System for determining the spatial position and angular orientation of an object. Northern Digital, Fish & Richardson P C, October 27, 1998: US05828770 (418 worldwide citation)

A system for determining the spatial position and angular orientation of an object in real-time is provided having a sensor section and a plurality of activatable markers, adapted for mounting to the object. The plurality of markers are activated simultaneously during each cycle of the sensor sectio ...


53
David W Deaton, Rodney G Gabriel: Method and system for building a database and performing marketing based upon prior shopping history. Credit Verification Corporation, Baker & Botts, April 6, 1993: US05201010 (414 worldwide citation)

A method and system is disclosed for performing targeted marketing on infrequent shoppers. A check reader is provided for automatically reading the MICR code of a plurality of checks drawn on a plurality of different banking institutions. Circuitry detects the customer's checking account number in t ...


54
Nestor Voronka, Charles J Jacobus: Optical body tracker. Cybernet Systems Corporation, Gifford Krass Groh Sprinkle Anderson & Citkowski PC, October 5, 2004: US06801637 (392 worldwide citation)

An optical system tracks the motion of objects, including the human body or portions thereof using a plurality of three-dimensional active markers based upon triangulation from data read via multiple linear CCDs through cylindrical lenses. Each marker is lit in sequence so that it is in sync with a ...


55
Alexander R Roustaei: System for reading two-dimensional images using ambient and/or projected light. Symbol Technologies, Clifford Chance Rogers & Wells, February 12, 2002: US06347163 (392 worldwide citation)

A system for reading a two-dimensional image, and for comparing the two-dimensional image to stored data representative of a known image. The optical scanning device comprises a sensor for capturing the two-dimensional image, which sensor includes a light source for projecting an emitted light towar ...


56
Atid Shamaie: Tracking bimanual movements. GestureTek, Fish & Richardson P C, May 27, 2008: US07379563 (391 worldwide citation)

Hands may be tracked before, during, and after occlusion, and a gesture may be recognized. Movement of two occluded hands may be tracked as a unit during an occlusion period. A type of synchronization characterizing the two occluded hands during the occlusion period may be determined based on the tr ...


57
Thomas M Peurach, Peggy Whalen, Douglas Haanpaa, Mike Whalen, Charles J Jacobus: Pose determination and tracking by matching 3D objects to a 2D sensor. Cybernet Systems Corporation, Gifford Krass Groh Sprinkle Anderson & Citkowski PC, January 9, 2001: US06173066 (389 worldwide citation)

An improved method of pose determination and tracking does away with conventional segmentation while taking advantage of multi-degree-of-freedom numerical fitting or match filtering as opposed to a syntactic segment or feature oriented combinatorial match. The technique may be used to improve image ...


58
Ned Hoffman: Tokenless security system for authorizing access to a secured computer system. Ali Kamarei, March 25, 1997: US05615277 (388 worldwide citation)

A tokenless security system and method for preventing unauthorized access to one or more secured computer systems is shown. The security system and method are principally based on a correlative comparison of a unique biometric sample, such as a finger print or voice recording, gathered directly from ...


59
Charles J Cohen, Glenn Beach, Brook Cavell, Gene Foulk, Charles J Jacobus, Jay Obermark, George Paul: Gesture-controlled interfaces for self-service machines and other applications. Cybernet Systems Corporation, Gifford Krass Sprinkle Anderson & Citkowski PC, December 2, 2008: US07460690 (384 worldwide citation)

A gesture recognition interface for use in controlling self-service machines and other devices is disclosed. A gesture is defined as motions and kinematic poses generated by humans, animals, or machines. Specific body features are tracked, and static and motion gestures are interpreted. Motion gestu ...


60
James L Cambier, John E Siedlarz: Portable authentication device and method using iris patterns. Iridian Technologies, Woodcock Washburn, March 11, 2003: US06532298 (382 worldwide citation)

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 ...