US 7,502,864 B2
Optimizing the transmission and storage of electronic documents in a communication network through the selective conversion of the color palettes of document images to palettes with a lower number of colors
Timothy Alan Dietz, Austin, Tex. (US); Walid Kobrosly, Round Rock, Tex. (US); and Nadeem Malik, Austin, Tex. (US)
Assigned to International Business Machines Corporation, Armonk, N.Y. (US)
Filed on Jul. 25, 2002, as Appl. No. 10/205,636.
Prior Publication US 2004/0019692 A1, Jan. 29, 2004
Int. Cl. G06F 15/16 (2006.01)
U.S. Cl. 709—232 31 Claims
OG exemplary drawing
 
1. In a communication network with user access via a plurality of data processor controlled interactive receiving display stations for displaying hypertext documents transmitted to the receiving display stations from document sources remote from said stations, an electronic document distribution system comprising:
means in the document transmission path intermediate said sources and said receiving display stations for determining the number of colors in the color palettes of images in transmitted documents;
means responsive to said determining means for selectively converting said color palettes to color palettes having a lower number of colors for said images; and
means for transmitting said documents having said converted color palettes with a lower number of colors for said images.