The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2002
Filed:
May. 11, 1998
Riso Kagaku Corporation, Tokyo, JP;
Abstract
An operator can select image processing for a half tone image area among a plurality of processing methods, and image processing appropriate for the image can be carried out thereby. An original image is read by an image sensor and output through either simple binary conversion by binary conversion means for character processing or half tone image processing by binary conversion means for photograph processing. Judging means judges whether image data are of a character image area or a half tone image area, and switches output between the binary conversion means for character processing and the binary conversion means for photograph processing. The binary conversion means for photograph processing includes error diffusion processing means and dither processing means . By setting of setting means carried out by an operator, output from either the error diffusion processing means or the dither processing means is selected for a half tone image.