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:
Feb. 25, 2014
Filed:
Sep. 06, 2012
Katsuyuki Fukui, Osaka, JP;
Katsuyuki Fukui, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
In a noise reducer, a first subtractorgenerates a difference Nbetween an input video signal Ynow and a delayed video signal Ypre output from a frame memoryand obtained by delaying an output video signal Yout by a time corresponding to one screen. An amplitude adjusteradjusts the amplitude of an output signal of the first subtractorbased on a motion signal MV. A second subtractorsubtracts an output Nof the amplitude adjusterfrom the input video signal Ynow. A motion detectorcalculates the amount of change in the input video signal Ynow with respect to the delayed video signal Ypre for each of pixels constituting one screen, and generates, as the motion signal MV, a signal determining, as 'moving,' a predetermined proportion of pixels for which the amount of change is smaller than a predetermined threshold value.