Gary S Greene

US Patent:

6594399, Jul 15, 2003

Filed:

May 14, 1998

Appl. No.:

09/078767

Inventors:

Theodore A. Camus - Mount Laurel NJ
Kevin Carl Kaighn - Mount Laurel NJ
Gary Alan Greene - Cherry Hill NJ

Assignee:

Sensar, Inc. - Moorsetown NJ

International Classification:

G06T 340

US Classification:

382260, 382265, 382298, 708308

Abstract:

In a method of integrating one or more l-dimensional filters into a digital image stream interface a single digital video input is processed by multiple 1-dimensional digital image filters, especially recursive filters, and combined into a single digital image stream which can be transmitted via a high-speed interface to a host computers memory such that each 1-dimensional filter output can be automatically extracted and placed into its own separate memory buffer for subsequent processing by a secondary image processing device. This additional processing can include the second pass of a two-pass separable filter implemented in software on a general-purpose CPU, and in particular can result in the generation of an image pyramid. This combined hardware and software approach can produce low-cost 2-D digital image filter implementations small enough to be added to existing standard ASICs while still retaining high performance.

US Patent:

8108119, Jan 31, 2012

Filed:

Apr 23, 2007

Appl. No.:

11/739068

Inventors:

John Benjamin Southall - Philadelphia PA, US
Mayank Bansal - Plainsboro NJ, US
Aastha Jain - Chandigarh, IN
Manish Kumar - Patna Bihar, IN
Theodore Armand Camus - Marlton NJ, US
Aveek Kumar Das - Lawrenceville NJ, US
John Richard Fields - Princeton Junction NJ, US
Gary Alan Greene - West Windsor NJ, US
Jayakrishnan Eledath - Robbinsville NJ, US

Assignee:

SRI International - Menlo Park CA

International Classification:

B60T 7/12

US Classification:

701 96, 701 93, 701300, 701301, 382103, 382104, 382106, 382107, 382168, 382170, 382171, 382172

Abstract:

The present invention provides a collision avoidance apparatus and method employing stereo vision applications for adaptive vehicular control. The stereo vision applications are comprised of a road detection function and a vehicle detection and tracking function. The road detection function makes use of three-dimensional point data, computed from stereo image data, to locate the road surface ahead of a host vehicle. Information gathered by the road detection function is used to guide the vehicle detection and tracking function, which provides lead motion data to a vehicular control system of the collision avoidance apparatus. Similar to the road detection function, stereo image data is used by the vehicle detection and tracking function to determine the depth of image scene features, thereby providing a robust means for identifying potential lead vehicles in a headway direction of the host vehicle.