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:
Aug. 27, 1996
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Yoshinori Ikeda, Tokyo, JP;
Hiroyuki Ichikawa, Kawasaki, JP;
Mitsuru Kurita, Tokyo, JP;
Kimiyoshi Hayashi, Soka, JP;
Toshio Honma, Kawasaki, JP;
Yoshiko Horie, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; G06K / ; G03F / ;
U.S. Cl.
CPC ...
358296 ; 358518 ; 347-3 ; 382165 ; 382190 ;
Abstract
An image processing apparatus includes a circuit for inputting a plurality of color component signals of a subtractive color system, a circuit for detecting a minimum value signal of the color component signals input by the input means, a circuit for emphasizing a high-frequency component of the minimum value signal detected by the detection means, and a circuit for discriminating a feature of an image in accordance with the minimum value signal whose high-frequency component is emphasized by the emphasizing means.