首页> 外国专利> MOVING-BODY-ABNORMAL-NEARING DETECTION SYSTEM AND MOVING-BODY-ABNORMAL-NEARING DETECTION METHOD

MOVING-BODY-ABNORMAL-NEARING DETECTION SYSTEM AND MOVING-BODY-ABNORMAL-NEARING DETECTION METHOD

机译：动体异常附近检测系统及动体异常附近检测方法

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摘要

There is provided a moving-body-abnormal-nearing detection system capable of determining whether abnormal nearing between moving bodies will occur in a short processing time. A projection matrix calculation means 71 calculates a first projection matrix indicating mapping from a 3D space onto a 2D plane based on period information of a first moving body and period information of a second moving body. An abnormal nearing determination means 72 maps the period information of the first moving body to a line segment in the 2D plane by use of the first projection matrix. It then determines whether abnormal nearing between the first moving body and the second moving body will occur by determining how a circle whose center is a passage position of the second moving body and whose radius takes a threshold as a determination standard as to whether abnormal nearing will occur crosses with the line segment.

机译：提供了一种运动体异常靠近检测系统，该系统能够确定在短的处理时间内是否将发生运动体之间的异常靠近。投影矩阵计算装置 71 基于第一移动体的周期信息和第二移动体的周期信息，计算表示从3D空间到2D平面的映射的第一投影矩阵。异常接近确定装置 72 通过使用第一投影矩阵将第一移动体的周期信息映射到2D平面中的线段。然后，通过确定以其中心为第二移动体的通过位置并且其半径以阈值为阈值的圆是否为异常靠近的判定基准，来判定第一移动体与第二移动体之间是否会发生异常靠近。与线段发生交叉。 展开▼

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公开/公告号US2015127295A1

专利类型

公开/公告日2015-05-07

原文格式PDF

申请/专利权人 NEC CORPORATION;
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申请/专利号US201314394517

发明设计人 SACHIO TERAMOTO;TOMOHITO ANDO;HIROKI TAGATO;KOJI KIDA;
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申请日2013-05-20

分类号G01B21/16;

国家 US

入库时间 2022-08-21 15:21:13

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