MANOJ MUNJAL
Broker in North Andover, MA
License number
Massachusetts 9023397
Issued Date
Sep 20, 1997
Expiration Date
Jul 21, 2000
Type
Salesperson
Address
Address
North Andover, MA 01845
Professional information
Lossy Compression And Expansion Algorithm For Image Representative Data
US Patent:
5936605, Aug 10, 1999
Filed:
Oct 28, 1997
Appl. No.:
8/959734
Inventors:
Manoj Munjal - North Andover MA
Assignee:
Kodak Limited - Harrow
International Classification:
G06K 1500
US Classification:
345102
Abstract:
A method for compressing and expanding source image representative data is disclosed. The method for compressing rasterized source image representative data comprises the following steps. The rasterized source image representative data is partitioned into a first plurality of sections each containing only blank lines, and a second plurality of sections each containing non-blank image representative data. Each section in the first plurality of sections is represented by a respective blank-line codeword. Each section in the second plurality of sections is further partitioned into a plurality of blocks, each having L lines of P pixels and a pattern. For each partitioned block, one of a plurality V of code vectors, each having L lines of P pixels and a predetermined pattern which most closely matches the pattern of the partitioned block, is selected. Each partitioned block is represented by a respective non-blank codeword representing the selected one of the plurality of code vectors. The compressed image, thus, is represented by successive codewords representing either blank lines or code vectors.