Patents by Inventor Alexander C. Loui

Alexander C. Loui 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: 6351556
    Abstract: A method for comparing image content of first and second images, the method comprises the steps of extracting a portion of both the first and second images both of which portions are determined to include a main subject area of each image; dividing the main subject area of the images into a plurality of blocks; computing a color histogram for one block in each image; computing a histogram intersection value between the block of the first image and the block of the second image; and determining a first threshold value for the computed histogram intersection value that determines similarity between the block in the first image and the block in the second image.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: February 26, 2002
    Assignee: Eastman Kodak Company
    Inventors: Alexander C. Loui, Eric S. Pavie