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. 15, 2011
Filed:
Jun. 06, 2006
Stanley Fok, Mississauga, CA;
Stanley Fok, Mississauga, CA;
Sigma Designs, Inc., Milpitas, CA (US);
Abstract
In accordance with the teachings described herein, systems and methods are provided for enhancing the image quality of video. One or more filters may be used to filter a received video signal to generate a vertical filtered output, a horizontal filtered output and a diagonal filtered output. One or more amplification components may be used to apply separate gains to each of the vertical, horizontal and diagonal filtered outputs to generate a vertical enhancement signal, a horizontal enhancement signal and a diagonal enhancement signal. One or more summation components may be used to combine the vertical, horizontal and diagonal enhancement signals with the video signal to generate an enhanced video signal.