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. 06, 2007
Filed:
Apr. 23, 2003
Nobukazu Shima, Kobe, JP;
Nobukazu Shima, Kobe, JP;
Fujitsu Ten Limited, Hyogo, JP;
Abstract
A diagnostic apparatus in an image recognition system able to quickly and accurately detect breakage of a cable from an image sensor or pixel burn of an image sensor, provided with a histogram computing unit for performing predetermined computations on an image signal fetched into an image recognition unit to generate a density histogram and an abnormality judging unit for analyzing the density histogram generated by the histogram computing unit to judge the presence of an abnormality or alternatively provided with a memory unit for receiving as input and storing information of an image signal fetched into an image recognition unit and a comparing/judging unit for reading out and comparing information of image signals of a plurality of images different in time relating to a target pixel from the memory unit and judging whether they are the same or different and judging that there is an abnormality when they are the same.