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:
May. 27, 2014
Filed:
May. 31, 2011
Gyu Won Kim, Gyunggi-do, KR;
Ho Seop Jeong, Gyunggi-do, KR;
IN Taek Song, Gyunggi-do, KR;
Kyoung Joong Min, Seoul, KR;
Tae Hyeon Kwon, Gyunggi-do, KR;
Gyu Won Kim, Gyunggi-do, KR;
Ho Seop Jeong, Gyunggi-do, KR;
In Taek Song, Gyunggi-do, KR;
Kyoung Joong Min, Seoul, KR;
Tae Hyeon Kwon, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Abstract
An apparatus of reducing noise includes: an edge determining module determining whether each pixel of an image corresponds to an edge; a low pass filter module performing low pass filtering of the image in two directions and performing low pass filtering only for the pixel determined not to be the edge; a filter selecting module selecting a filter having a flexible size to be applied to a mask region for each of the images low pass filtered based on the average brightness of the entire region and the average brightness of the mask region having a predetermined size; a sigma filter module sigma filtering the mask region using the selected filter for each of the images low pass filtered; and an averaging module averaging the image sigma filtered in the two directions.