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. 13, 1994
Filed:
May. 14, 1993
Ferruccio Zulian, Milan, IT;
BULL HN Information Systems Italia S.p.A., Turin, IT;
Abstract
Apparatus for the detection and correction of digitized image defects comprising a plurality of registers for storing a plurality of bits representative of a portion of digitized image comprising a central pixel and pixels surrounding the central one, means for reading out from said registers, through a sequence of reading operations, the level of the bits representative of said central pixel and of the pixels in the same row and column of said central pixel with a first read operation and the level of the bits representative of rows and columns of pixels adjacent to the central pixel and more and more far therefrom at each subsequent read operation, four sequencers receiving said bit levels and respectively analyzing a sector of the image portion located left, right, above and below the central pixel, the sequencers providing signals as result of such analysis to a decoder which outputs correction codes dependent on such analysis to a control unit of a visualization unit.