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:
Mar. 29, 1994
Filed:
Jan. 28, 1992
Hiroki Kanno, Yokohama, JP;
Hitoshi Yoneda, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
An image processing apparatus having a first conversion section for converting image data of a target pixel in a multi-color image as an object to be processed into first color data corresponding to colors of the image data, a second conversion section for converting the first color data converted by the first conversion section into binary data, a first calculation section for calculating second color data having the same colors as those of the image data on the basis of a plurality of the binary data converted by the second conversion section, a second calculation section for calculating color errors between the image data and the second color data calculated by the first calculation section, a third calculation section for calculating weighting errors by multiplying the color errors calculated by the second calculation section with predetermined weighting coefficients, a storage section for storing the weighting errors calculated by the third calculation section, and a correction section for correcting the image data of the target pixel according to the weighting errors stored in the storage section.