Patents Assigned to PictoLogic, Inc.
  • Method and apparatus for quantizing a color image through a single dither matrix
    Patent number: 6862111
    Abstract: This invention relates to a color image dithering method and apparatus for producing an output point in an output color space corresponding to a selected vertex in a tetrahedron of a three-dimensional cubic subinterval of a pixel point in a source color space.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: March 1, 2005
    Assignee: PictoLogic, Inc.
    Inventors: Frederick Lin, Shultz Chan
  • Method and apparatus for printer head error compensation
    Publication number: 20040218960
    Abstract: An LED printing system includes a data source, a printer controller and an LED printer head. The data source is used to provide original data. The printer controller is used to process the original data. The LED printer head is used to print the processed data without further processing them.
    Type: Application
    Filed: April 19, 2004
    Publication date: November 4, 2004
    Applicant: Pictologic, Inc.
    Inventor: Frederick Lin