Janet M Kim

US Patent:

20090310867, Dec 17, 2009

Filed:

Jun 12, 2008

Appl. No.:

12/138027

Inventors:

Bogdan Calin Mihai Matei - Monmouth Junction NJ, US
Supun Samarasekera - Princeton NJ, US
Janet Yonga Kim - Morrisville PA, US
Charles Fielding Finch Karney - Princeton NJ, US
Harpreet Singh Sawhney - West Windsor NJ, US
Rakesh Kumar - West Windsor NJ, US

International Classification:

G06K 9/46

US Classification:

382195

Abstract:

A method for extracting a 3D terrain model for identifying at least buildings and terrain from LIDAR data is disclosed, comprising the steps of generating a point cloud representing terrain and buildings mapped by LIDAR; classifying points in the point cloud, the point cloud having ground and non-ground points, the non-ground points representing buildings and clutter; segmenting the non-ground points into buildings and clutter; and calculating a fit between at least one building segment and at least one rectilinear structure, wherein the fit yields the rectilinear structure with the fewest number of vertices. The step of calculating further comprises the steps of (a) calculating a fit of a rectilinear structure to the at least one building segment, wherein each of the vertices has an angle that is a multiple of 90 degrees; (b) counting the number of vertices; (c) rotating the at least one building segment about an axis by a predetermined increment; and (d) repeating steps (a)-(c) until a rectilinear structure with the least number of vertices is found.

US Patent:

20100103196, Apr 29, 2010

Filed:

Oct 27, 2009

Appl. No.:

12/606581

Inventors:

Rakesh Kumar - West Windsor NJ, US
Oleg Naroditsky - Princeton NJ, US
Supun Samarasekera - Princeton NJ, US
Zhiwei Zhu - Plainsboro NJ, US
Janet Kim - Morrisville PA, US

International Classification:

G09G 5/12
G09G 5/00

US Classification:

345633, 345 8

Abstract:

A system and method for generating a mixed-reality environment is provided. The system and method provides a user-worn sub-system communicatively connected to a synthetic object computer module. The user-worn sub-system may utilize a plurality of user-worn sensors to capture and process data regarding a user's pose and location. The synthetic object computer module may generate and provide to the user-worn sub-system synthetic objects based information defining a user's real world life scene or environment indicating a user's pose and location. The synthetic objects may then be rendered on a user-worn display, thereby inserting the synthetic objects into a user's field of view. Rendering the synthetic objects on the user-worn display creates the virtual effect for the user that the synthetic objects are present in the real world.