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:
Jul. 26, 2011
Filed:
Jun. 11, 2007
Sung-hee Kim, Seoul, KR;
Seung-joon Yang, Seoul, KR;
Rae-hong Park, Seoul, KR;
Ji-won Lee, Seoul, KR;
Hyun-seung Lee, Seoul, KR;
Jun-young Kim, Seoul, KR;
Bo-ra Lim, Seoul, KR;
Sung-hee Kim, Seoul, KR;
Seung-Joon Yang, Seoul, KR;
Rae-hong Park, Seoul, KR;
Ji-won Lee, Seoul, KR;
Hyun-seung Lee, Seoul, KR;
Jun-young Kim, Seoul, KR;
Bo-ra Lim, Seoul, KR;
Industry-University Cooperation Foundation Sogang University, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method of improving picture quality in a composite video burst signal includes dividing the composite video burst signal into a plurality of frequency bands using a low pass filter and a high pass filter, performing wavelet packet filtering of frequency bands including a chrominance signal having energy higher than a specified threshold among the plurality of frequency bands, and performing Wiener filtering of frequency bands including a chrominance signal having energy lower than a specified threshold.