ROBERT ANTHONY WOLFF
Pilots at Cider Hl Ln, Sherborn, MA

7623674, Nov 24, 2009

Nov 5, 2003

10/702059

Sanjay Nichani - San Diego CA, US
Robert Wolff - Sherborn MA, US
David Shatz - Noodham MA, US
Raymond A. Fix - Natick MA, US
Gene Halbrooks - Leominster MA, US

Cognex Technology and Investment Corporation - Mt. View CA

G06K 9/00, H04N 13/02, H04N 7/18, G08B 13/08, G08B 23/00

382103, 382106, 382154, 348 47, 348156, 3405451, 340550, 3405731

Enhanced portal security is provided through stereoscopy, including a stereo door sensor for detecting and optionally preventing access violations, such as piggybacking and tailgating. A portal security system can include a 3D imaging system that generates a target volume from plural 2D images of a field of view about a portal; and a processor that detects and tracks people candidates moving through the target volume to detect a portal access event.

6684402, Jan 27, 2004

Dec 1, 1999

09/452612

Robert Wolff - Sherborn MA

Cognex Technology and Investment Corporation - Mountain View CA

H04N 7173

725105, 348212, 370402, 395290

A hub that controls the acquisition of images from a plurality of image sources utilizes image acquisition logic that selectively applies a first set of control signals (e. g. , “shutter” signals) to imaging devices, causing them to acquire images. The logic applies a second set of control signals (e. g. , “readout” signals) to the devices, causing them to output the images to the hub. Those images are transferred by the hub to a host over an isochronous communications medium.

6469734, Oct 22, 2002

Apr 29, 2000

09/563010

Sanjay Nichani - Natick MA
Robert Wolff - Sherborn MA
William Silver - Weston MA
David A. Schatz - Needham MA

Cognex Corporation - Natick MA

H04N 718

348152, 348164

A two-dimensional (2-D) machine-vision safety-solution involving a method and apparatus for performing high-integrity, high efficiency machine vision. The machine vision safety solution digitally filters a configurable number of time-sequenced images of a viewed area to create a filtered image. A textured background is used as a static target and viewed under ambient light, or alternatively a texture is observed under IR light. An artificial texture can be created with a particularized pattern. Each new image is then compared to the previously created model and a pixel-oriented difference image is calculated. The difference image is then processed for segmentation features attributable to an intruder object. For segmentation results that exceed a predetermined threshold, an alarm condition is set.

7305114, Dec 4, 2007

Dec 26, 2001

10/036310

Robert Wolff - Sherborn MA, US
William Silver - Weston MA, US

Cognex Technology and Investment Corporation - Mt. View CA

G06K 9/00, G06K 9/62, G06K 9/40, H04N 7/18, H04N 9/47, H04N 7/00

382141, 382153, 382155, 382254, 348 86, 348113, 348175, 34821199, 700 96

This invention overcomes the disadvantages of the prior art by providing a human/machine interface (HMI) for use with machine vision systems (MVSs) that provides the machine vision system processing functionality at the sensor end of the system, and uses a communication interface to exchange control, image and analysis information with a standardized, preferably portable device that can be removed from the MVS during runtime. In an illustrative embodiment, this portable device can be a web-browser equipped computer (handheld, laptop or fixed PC) or a Personal Digital Assistant (PDA). The communication interface on the sensor-end of the system is adapted to communicate over a cable or wireless communication link (for example infrared (IR) or radio frequency (RF)), with a corresponding communication interface in the portable device. The data communicated over the interconnect or link is formatted so that it is read at a data speed and level of resolution (pixel count) that is appropriate to the portable device by use of an image processor at the sensor end.

5526050, Jun 11, 1996

Mar 31, 1994

8/220555

David R. King - Norfolk MA
Robert Wolff - Sherborn MA

Cognex Corporation - Natick MA

H04N 760, H04N 718

348387

The invention provides apparatus and methods for concurrently acquiring video data from multiple video data sources. The invention comprises an asynchronous interface that collects pixel data from multiple video data sources. A packet manager collects the pixel data and generates a packet data signal that represents the pixel data collected from the multiple video data sources. The packet manager transmits the packet data signal to a pixel buffer memory that includes an address generator that separates out the pixel data associated with each of the video data sources and that stores the pixel data in a video memory in a manner suitable for video display.

7167575, Jan 23, 2007

Apr 29, 2000

09/563011

Sanjay Nichani - Natick MA, US
Robert Wolff - Sherborn MA, US
William Silver - Weston MA, US
David A. Schatz - Needham MA, US

Cognex Corporation - Natick MA

G06K 9/00

382103, 382173, 382264, 348143, 348152

A two-dimensional (2-D) machine-vision safety-solution involving a method and apparatus for performing high-integrity, high efficiency machine vision. A known structured lighting texture pattern is projected upon a target area. A model image of the pattern on an empty target field is stored during an initial training step. The machine vision safety solution digitally interprets a camera image of the light reflected by the objects in the target area to detect and characterize a pattern in the image. The pattern characterization is then processed to determine if a distortion of the characterization factors is larger than a predetermined threshold, and results in an alarm condition.