Patents by Inventor Earle B. Stokes

Earle B. Stokes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10110829
    Abstract: This invention provides a system and method for auto-regulation of parameters a vision system camera and/or associated illumination of objects imaged by the camera using a plurality of differentiated gain (multi-gain) settings on the camera's image sensor to determine the gain value producing the most-readable image. The image (having the best characteristics) acquired using multiple gain settings can be read for information as a discrete gain image and/or the camera parameters (e.g. global gain and/or global exposure time) can be uniformly set across the pixel array to the best values for acquisition of a subsequent, higher sampled image. This image is then read (e.g. decoded) for information contained within any identified features of interest (e.g. found IDs).
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: October 23, 2018
    Assignee: Cognex Corporation
    Inventors: James A. Negro, Earle B. Stokes
  • Patent number: 9946947
    Abstract: This invention provides a system and method for finding features in images that exhibit saddle point-like structures using relatively computationally low-intensive processes, illustratively consisting of an anti-correlation process, and associated anti-correlation kernel, which operates upon a plurality of pixel neighborhoods within the image. This process enables an entire image to be quickly analyzed for any features that exhibit such saddle point-like structures by determining whether the anti-correlation kernel generates a weak or strong response in various positions within the image. The anti-correlation kernel is designed to generate a strong response regardless of the orientation of a saddle point-like structure. The anti-correlation process examines a plurality of pixel neighborhoods in the image, thereby locating any saddle point-like structures regardless of orientation, as it is angle-independent.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: April 17, 2018
    Assignee: COGNEX CORPORATION
    Inventors: Earle B. Stokes, Fenghua Jin, William M. Silver, Xiangyun Ye, Ivan A. Bachelder
  • Publication number: 20170214860
    Abstract: This invention provides a system and method for auto-regulation of parameters a vision system camera and/or associated illumination of objects imaged by the camera using a plurality of differentiated gain (multi-gain) settings on the camera's image sensor to determine the gain value producing the most-readable image. The image (having the best characteristics) acquired using multiple gain settings can be read for information as a discrete gain image and/or the camera parameters (e.g. global gain and/or global exposure time) can be uniformly set across the pixel array to the best values for acquisition of a subsequent, higher sampled image. This image is then read (e.g. decoded) for information contained within any identified features of interest (e.g. found IDs).
    Type: Application
    Filed: August 5, 2016
    Publication date: July 27, 2017
    Inventors: James A. Negro, Earle B. Stokes
  • Patent number: 9413981
    Abstract: This invention provides a system and method for auto-regulation of parameters a vision system camera and/or associated illumination of objects imaged by the camera using a plurality of differentiated gain (multi-gain) settings on the camera's image sensor to determine the gain value producing the most-readable image. The image (having the best characteristics) acquired using multiple gain settings can be read for information as a discrete gain image and/or the camera parameters (e.g. global gain and/or global exposure time) can be uniformly set across the pixel array to the best values for acquisition of a subsequent, higher sampled image. This image is then read (e.g. decoded) for information contained within any identified features of interest (e.g. found IDs).
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: August 9, 2016
    Assignee: Cognex Corporation
    Inventors: James A. Negro, Earle B. Stokes
  • Patent number: 6362829
    Abstract: A method for selecting color value on a digital image, initializing a color modification tool to the selected color value, and then modifying the color value. After selecting a color modification tool such as a contrast LUT, a user selects a region on a digital image containing the color value to be modified. The selected region is highlighted, and a knot corresponding to the selected color value is automatically placed on the input/output LUT graph of the color modification tool. A slide bar, and a graphic readout providing the “before” and “after” values of the selected color value, are superimposed directly on the digital image adjacent the highlighted region. The user can then modify the selected color value by displacing the slide bar. The digital image, graphic readout, and the input/output LUT graph of the modification tool are updated in response to the manipulation of the slide bar, allowing the user to immediately visualize the affect of the color change on the digital image.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: March 26, 2002
    Assignee: Agfa Corporation
    Inventors: John F. Omvik, Earle B. Stokes
  • Patent number: 6295388
    Abstract: A detail area of a low resolution preview scan is selected to determine the quality of a subsequent high resolution scan. A detail window containing high resolution image data corresponding to the selected detail area is displayed as soon as it becomes available during the high resolution scan. Based on the quality of the high resolution image data displayed within the detail window, the scanning operator can prematurely terminate the high resolution scan of the image prior to completion.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: September 25, 2001
    Assignee: Agfa Corporation
    Inventors: Earle B. Stokes, John F. Omvik, John A. Merecki
  • Patent number: 6239882
    Abstract: A method and apparatus is provided for scanning original images wherein the original images are scanned by a scanner and processed in a computer workstation. The scanning of an original image is carried out simultaneously with the processing of at least one other original image. A method and apparatus for scanning an original image wherein the original image is scanned in bands by a scanner and processed in a computer workstation. The scanning of one band is carried out simultaneously with the processing of at least one other band.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: May 29, 2001
    Assignee: Agfa Corporation
    Inventors: Peter De Mangelaere, John F. Omvik, Earle B. Stokes, Chris Tuijn, Dana M. Winikates