1
Keith James Hanna, Peter J Burt, Shmuel Peleg, Douglas F Dixon, Deepam Mishra, Lambert E Wixson, Robert Mandlebaum, Peter Coyle, Joshua R Herman: Fully automated iris recognition system utilizing wide and narrow fields of view. Sarnoff Corporation, William J Burke, March 30, 2004: US06714665 (647 worldwide citation)

A recognition system which obtains and analyzes images of at least one object in a scene comprising a wide field of view (WFOV) imager which is used to capture an image of the scene and to locate the object and a narrow field of view (NFOV) imager which is responsive to the location information prov ...


2
Richard Patrick Wildes, Jane Circle Asmuth, Keith James Hanna, Stephen Charles Hsu, Raymond Joseph Kolczynski, James Regis Matey, Sterling Eduard McBride: Automated, non-invasive iris recognition system and method. David Sarnoff Research Center, William J Burke, May 12, 1998: US05751836 (240 worldwide citation)

Iris recognition is achieved by (1) iris acquisition that permits a user to self-position his or her eye into an imager's field of view without the need for any physical contact, (2) spatially locating the data defining that portion of a digitized video image of the user's eye that defines solely th ...


3
Rakesh Kumar, Keith James Hanna, James R Bergen, Padmanabhan Anandan, Michal Irani: Method and system for image combination using a parallax-based technique. Sarnoff Corporation, William J Burke, October 5, 1999: US05963664 (174 worldwide citation)

A system for generating three-dimensional mosaics from a plurality of input images representing an imaged scene. The plurality input images contain at least two images of a single scene, where at least two of the images have overlapping regions. The system combines the images using a parallax-based ...


4
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 (126 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 ...


5
Rakesh Kumar, Keith James Hanna, James R Bergen, Padmanabhan Anandan, Kevin Williams, Mike Tinker: Method and system for rendering and combining images to form a synthesized view of a scene containing image information from a second image. Sarnoff Corporation, W J Burke, February 18, 2003: US06522787 (102 worldwide citation)

An image processing system for imaging a scene to mosaic, selecting a new viewpoint of the scene, and rendering a synthetic image from the mosaic of the scene from that new viewpoint. The synthesized image is then combined with a second image. The combination of the second image and the synthetic im ...


6
Keith James Hanna, Rakesh Kumar, James Russell Bergen, Harpreet Singh Sawhney, Jeffrey Lubin: Method and apparatus for enhancing regions of aligned images using flow estimation. Sarnoff Corporation, William J Burke, John V Silverio, July 31, 2001: US06269175 (92 worldwide citation)

A method and apparatus for accurately computing parallax information as captured by imagery of a scene. The method computes the parallax information of each point in an image by computing the parallax within windows that are offset with respect to the point for which the parallax is being computed. ...


7
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 (82 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 ...


8
Marcos Salganicoff, Keith James Hanna: Method and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination. Sensor, Sarnoff Corporation, Buchann Ingersoll P C, April 25, 2000: US06055322 (79 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 ...


9
Keith James Hanna, Peter Jeffrey Burt: Video merging employing pattern-key insertion. Sarnoff Corporation, William J Burke, July 13, 1999: US05923791 (53 worldwide citation)

Disclosed is a technique for deriving a composite video image by merging foreground and background video image data supplied from a plurality of separate video signal sources employing pattern-key insertion, rather than prior-art color-key insertion, for this purpose. Pattern-key insertion involves ...


10
Harpreet Singh Sawhney, Rakesh Kumar, Yanlin Guo, Jane Asmuth, Keith James Hanna: Method and apparatus for multi-view three dimensional estimation. Sarnoff Corporation, William J Burke, May 27, 2003: US06571024 (36 worldwide citation)

An apparatus and method for generating automated multi-view three dimensional pose and geometry estimation for the insertion of realistic and authentic views of synthetic objects into a real scene. A multi-view three dimensional estimation routine comprising the steps of feature tracking, pairwise c ...