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:
Dec. 05, 2006
Filed:
Nov. 11, 1999
Yau Wai Lucas Hui, Singapore, SG;
Yau Wai Lucas Hui, Singapore, SG;
STMicroelectronics Asia Pacific Pte. Ltd., Singapore, SG;
Abstract
A method and system for digital video noise reduction which includes a picture analyser () for analysing pictures in a video sequence to determine the amount of moving regions therein, a noise level detector () for estimating the noise level (N) in the video sequence, a filtering level estimator () for determining a maximum filtering level (L) for each picture based on the amount of moving regions and the estimated noise level (N) and a spatial filter () and a temporal filter (), the temporal filter being coupled to the filter level estimator for controlling the level of filtering of each picture in the sequence in accordance with the maximum filtering level.