Patent Number: 6,167,153

Title: Method of compressing JPEG files

Abstract: A method and apparatus for compressing digital image data to improve the efficiency of serial data transmission is disclosed. More specifically, the present invention accomplishes image compression by performing the most complex portions of a standard compression technique on a subset of the originally provided data. The invention includes a fast JPEG compressor based on a modified two-dimensional discrete cosine transform.

Inventors: de Queiroz; Ricardo L. (Pittsford, NY)

Assignee: Xerox Corporation

International Classification: G06T 9/00 (20060101); H04N 7/30 (20060101); H04N 7/26 (20060101); G06K 009/00 ()

Expiration Date: 12/26/2017