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:
Apr. 07, 2015
Filed:
Feb. 26, 2013
Applicant:
Hermes Microvision Inc., Hsinchu, TW;
Inventors:
Assignee:
Hermes Microvision Inc., Hsinchu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06K 9/40 (2006.01); G06K 9/60 (2006.01); G03F 7/20 (2006.01); G06T 5/00 (2006.01); G01N 21/95 (2006.01); G01N 23/225 (2006.01);
U.S. Cl.
CPC ...
G06K 9/60 (2013.01); G03F 7/7065 (2013.01); G06T 5/005 (2013.01); G01N 21/9501 (2013.01); G01N 23/2251 (2013.01); G06T 5/006 (2013.01);
Abstract
This invention relates to methods and systems for enhance the signal-to-noise ratio of an image scanned by a charged particle beam. In an embodiment, a sequence of grayscales of a pixel is recorded first, extreme values of the sequence of grayscales are then identified and removed, and the remained grayscales are used to determine a nominated grayscale of the pixel.