APPARATUS AND METHOD FOR MONITORING SURVEILLANCE AREA

申请公布号：JP2008140386(A)

申请号：JP20070298660

申请日期：2007.11.16

申请公布日期：2008.06.19

申请人：

SICK AG

发明人：BRAUNE INGOLF;ROTHENBERGER BERND

分类号：G08B13/196

主分类号：G08B13/196

摘要：<P>PROBLEM TO BE SOLVED: To provide a device for monitoring the monitoring range by using at least one camera, wherein a controller is composed so as to detect a shadow of the minimum range of a bright color partial stripe and/or a dark color partial stripe as a shadow obtained when an object target intrudes into a monitoring range. <P>SOLUTION: The controller is configured so as to detect a shadow existing in a frame perpendicular to a contrast stripe 12 within an image of a camera 4, that is, a shadow which falls below the least number of bright color pixels between the start point Y2 of the bright color and the end point Y3 of the bright color of a bright color partial stripe existing in the frame and/or the second least number of dark color pixels between the start point Y1 of a dark color and the end point Y2 of the dark color of a dark color partial stripe 14 existing in the frame as a shadow obtained by damaging a mark of the contrast strip 12 and with a shadow of the smallest range as a shadow of the specified number of adjacent frames. <P>COPYRIGHT: (C)2008,JPO&INPIT

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