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:
Oct. 13, 2009
Filed:
Jun. 28, 2004
Sung-hyun Lim, Seoul, KR;
Sung-hyun Lim, Seoul, KR;
Samsung Electronics Co., Ltd, Suwon-Si, KR;
Abstract
A method of improving image quality of a reproduced image, the method including converting red, green, and blue color data of a subject pixel into color data having brightness and chroma components; identifying the subject pixel as a background pixes, a picture pixel, or a text pixel according to the brightness and the chroma components; storing history information of the subject pixel, wherein the history information includes the number of continued background pixels or continued picture pixels before the subject pixel; detecting features of the subject pixel according to the history information; labeling the subject pixel to be included in one of a text area, a background area, and a picture area according to a state of a previously labeled adjacent pixel and the detected features of the subject pixel; and processing the subject pixel according to the area to which the subject pixel belongs.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile