1
Evan Hildreth, Francis MacDougall: Video-based image control system. GestureTek, Fish & Richardson P C, June 5, 2007: US07227526 (556 worldwide citation)

A method of using stereo vision to interface with a computer is provided. The method includes capturing a stereo image, and processing the stereo image to determine position information of an object in the stereo image. The object is controlled by a user. The method also includes communicating the p ...


2
Evan Hildreth, Francis MacDougall: Multiple camera control system. GestureTek, Fish & Richardson P C, June 6, 2006: US07058204 (483 worldwide citation)

A multiple camera tracking system for interfacing with an application program running on a computer is provided. The tracking system includes two or more video cameras arranged to provide different viewpoints of a region of interest, and are operable to produce a series of video images. A processor ...


3
Evan Hildreth: Optical flow based tilt sensor. GestureTek, Fish & Richardson P C, May 27, 2008: US07379566 (446 worldwide citation)

A method is described for determining a description of motion of a moving mobile camera to determine a user input to an application. The method may involve capturing a series of images from a moving mobile camera and comparing stationary features present in the series of images. Optical flow analysi ...


4
Atid Shamaie: Tracking bimanual movements. GestureTek, Fish & Richardson P C, May 27, 2008: US07379563 (397 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 ...


5
Riten Jaiswal, Francis MacDougall: Orientation-sensitive signal output. GestureTek, Fish & Richardson P C, June 24, 2008: US07389591 (369 worldwide citation)

The selection and output of a signal, such as an alphanumeric character, is provided depending upon the orientation of a device, such as a mobile telephone. In particular, a neutral position of a device is determined in relation to at least a first axis, the device including at least a first control ...


6
Jin Gu: Creating 3D images of objects by illuminating with infrared patterns. GestureTek, Fish & Richardson P C, September 30, 2008: US07430312 (352 worldwide citation)

According to a general aspect, processing images includes projecting an infra-red pattern onto a three-dimensional object and producing a first image, a second image, and a third image of the three-dimensional object while the pattern is projected on the three-dimensional object. The first image and ...


7
Evan Hildreth, Francis MacDougall: Multiple camera control system. GestureTek, Fish & Richardson P C, September 2, 2008: US07421093 (351 worldwide citation)

A multiple camera tracking system for interfacing with an application program running on a computer is provided. The tracking system includes two or more video cameras arranged to provide different viewpoints of a region of interest, and are operable to produce a series of video images. A processor ...


8
Atid Shamaie: Detecting and tracking objects in images. GestureTek, Fish & Richardson P C, August 11, 2009: US07574020 (331 worldwide citation)

According to one disclosed method, coordinates in a multi-dimensional space are determined for an image point characterizing a particular object. An equation describing a model in the space is provided. The model is characteristic of a set of training images of one or more other objects. The coordin ...


9
Evan Hildreth, Francis MacDougall: Video-based image control system. GestureTek, Fish & Richardson P C, March 1, 2011: US07898522 (315 worldwide citation)

A method of using stereo vision to interface with computer is provided. The method includes capturing a stereo image, and processing the stereo image to determine position information of an object in the stereo image. The object is controlled by a user. The method also includes communicating the pos ...


10
Evan Hildreth, Francis MacDougall: Multiple camera control system. GestureTek, Fish & Richardson P C, June 30, 2009: US07555142 (300 worldwide citation)

A multiple camera tracking system for interfacing with an application program running on a computer is provided. The tracking system includes two or more video cameras arranged to provide different viewpoints of a region of interest, and are operable to produce a series of video images. A processor ...