Patent ID: 6014462
Filing Date: 2000-01-11
Classification: G06K,H04N

Abstract:
An image processing apparatus, comprising:converting means for converting analog image data into digital data;first determining means for determining a region as a white picture element region when said region includes a predetermined white picture element and a plurality of which picture elements surrounding said predetermined white picture element in said digital data;first conditional variant setting means for setting a conditional variant to white picture elements in said white picture element region;potential thin line extracting means for extracting a potential thin line pattern using a black picture element that has been corrected after being extracted from said digital data and a white picture element that has been corrected after being extracted from said digital data; anddiscriminating and renewing means for discriminating which one of an alphanumeric symbol on a white background, an alphanumeric symbol on a mesh pattern, and a design pattern is similar to said potential thin line pattern based on said conditional variant and said potential thin line pattern, and for renewing said conditional variant in accordance with a determination result determined by said discriminating and renewing means.