Patent ID: 6882447
Filing Date: 2005-04-19
Classification: G06K,H04N

Abstract:
1. An image converting apparatus for converting document data having a plurality of types of drawing objects into image data, the apparatus comprising: first conversion means for converting said document data into first image data; second conversion means for converting said first image data into second image data; and a plurality of tables respectively corresponding to the plurality of types of drawing objects and containing information to which the image converting apparatus refers when said first image data is converted into said second image data, wherein said second conversion means comprises, area creating means for subdividing the first image data into a plurality of areas; area unit conversion means for converting first image data within one or more of the plurality of areas into corresponding second image data, while referring to one or more of said tables that respectively correspond to a type of drawing object contained in said one or more of the areas; pixel unit conversion means for converting individual pixel data corresponding to one or more pixels within one or more of the plurality of areas into corresponding second image data, while referring to one or more of said tables that respectively correspond to a type of drawing object indicated by the individual pixel data; and conversion switching means for applying said pixel unit conversion means to areas wherein at least two of said plurality of tables correspond to respective types of drawing objects contained therein, and for applying said area unit conversion means to areas wherein one of said tables corresponds to a type of drawing object contained therein or to areas containing no drawing object.