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:
Jan. 22, 2002
Filed:
Jun. 02, 1998
Applicant:
Inventor:
Kenichi Ohta, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 1/502 ; H04N 1/48 ; H04N 1/56 ;
U.S. Cl.
CPC ...
G06K 1/502 ; H04N 1/48 ; H04N 1/56 ;
Abstract
The invention provides a method and apparatus for processing an image in such a manner that excellent color reproduction is achieved regardless of whether the image is reproduced from m-level data or n-level data. The image processing method and apparatus has first and second modes, wherein in the first mode m-level color data is converted to n (n<m)-level color data, and wherein in the second mode n-level color data is first converted to m-level color data and then converted to n-level color data.