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. 03, 2015
Filed:
Dec. 11, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Reiji Misawa, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image compression apparatus determines a first reduction ratio according to an available memory capacity and reduces a multivalued image by the determined first reduction ratio to generate a first reduced multivalued image, and extracts a representative color of a character region from the first reduced multivalued image. The image compression apparatus reduces the first reduced multivalued image to generate a second reduced multivalued image, and compresses the second reduced multivalued image to generate a first compressed code. The image compression apparatus compresses a partial binary image corresponding to the character region to generate a second compressed code. Then, the image compression apparatus outputs compressed data including the first compressed code, the second compressed code, positional information about the character region, and information about the representative color of the character region.