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:
Aug. 25, 1998
Filed:
Aug. 08, 1996
Hideaki Yamaguchi, Tokyo, JP;
Akira Kasano, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A method and system for detecting the approaching of a target object into a monitoring zone wherein the target object is scheduled to enter the zone is provided. The method includes providing motion image data continuously taken as an image from the monitoring zone, initially setting a plurality of monitoring areas in an image plane of the monitoring zone on a track along which the target object moves, extracting the image data of these monitoring areas from the motion image data, detecting an image variation of the respective monitoring areas through the processing of the image data of the monitoring areas for each monitoring area and deciding, based on the detection sequence of the monitoring areas corresponding to a detected image variation, whether of not the target object approaches into the monitoring zone.