Patents by Inventor Mark Samuel Drew

Mark Samuel Drew 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).

  • Detecting illumination in images
    Patent number: 8611660
    Abstract: An image having m light sources, with m preferably equaling 2 or 3, is segmented into different regions, each of which is lit by only one of the m light sources, by obtaining paired imaged with different filtering, for example a filtered and an unfiltered image, applying to the image pairs sets of m pre-computed mappings at the pixel or region level, and selecting the most appropriate. The rendering of the information in the image maybe adjusted accordingly.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: December 17, 2013
    Assignee: Apple Inc.
    Inventors: Graham D. Finlayson, Mark Samuel Drew, Clement Fredembach
  • Detecting illumination in images
    Patent number: 8385648
    Abstract: An image having m light sources, with m preferably equaling 2 or 3, is sequenced into different regions, each of which is lit by only one of the m light sources, by obtaining paired imaged with different filtering, for example a filtered and an unfiltered image, applying to the image pairs sets of m pre-computed mappings at the pixel or region level, and selecting the most appropriate. The rendering of the information in the image maybe adjusted accordingly.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: February 26, 2013
    Assignee: Apple, Inc.
    Inventors: Graham D. Finlayson, Mark Samuel Drew, Clement Fredembach
  • DETECTING ILLUMINATION IN IMAGES
    Publication number: 20100098330
    Abstract: An image having m light sources, with m preferably equaling 2 or 3, is sequenced into different regions, each of which is lit by only one of the m light sources, by obtaining paired imaged with different filtering, for example a filtered and an unfiltered image, applying to the image pairs sets of m pre-computed mappings at the pixel or region level, and selecting the most appropriate. The rendering of the information in the image maybe adjusted accordingly.
    Type: Application
    Filed: November 8, 2007
    Publication date: April 22, 2010
    Inventors: Graham D. Finlayson, Mark Samuel Drew, Clement Fredembach