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, 1992
Filed:
Sep. 08, 1989
Applicant:
Inventors:
Toshiro Watanabe, Kanagawa, JP;
Toshiyuki Hiroi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382 22 ; 340747 ; 358 81 ;
Abstract
A picture processing apparatus in which edges of an input picture are detected by an edge detecting circuit to form edge detection data, which then are transformed so that a histogram of the edge detection data becomes substantially flat, and in which a so-called line picture is displayed on the basis of the transformed edge detection data.