Katsutoshi Ushida

Image processing system in which the transmitter and receiver have different data resolutions and data is transmitted at the receiver resolution

Communication apparatus, communication method, communication system, and storage medium

Image reproduction involving enlargement or reduction of extracted contour vector data for binary regions in images having both binary and halftone regions

Image encoding and decoding apparatus

Image processing utilizing luminance-density conversion

Apparatus and method for controlling memory backup using main power supply and backup power supply

Image processing apparatus including noise elimination circuits

Image processing with smooth production of inclined lines and other features

High quality image size change

Facsimile apparatus and method outputting results of facsimile communication