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. 31, 2020
Filed:
Feb. 09, 2018
Abb Schweiz Ag, Baden, CH;
Tommi Huotilainen, Helsinki, FI;
ABB Schweiz AG, Baden, CH;
Abstract
A real-time, full web image processing method for analyzing formation in a web is described, the web is transported in a moving direction during a web manufacturing process, the method including the steps of acquiring a two-dimensional original image Pof the web, the image being representable as a digital image representable by a plurality of pixel values Pwith i∈{1; . . . ; I}, j∈{1; . . . ; J}; and producing a plurality of P processed images Pwith p∈{1; . . . ; P}, each of the processed images being representable by pixel values Pwith m∈{1; . . . ; M}, n∈{1; . . . ; N}, the processed images being obtained by spatial bandpass filtering of the original image, wherein a spatial different bandpass filter is used for obtaining each of the processed.