Target object positioning virtual-real fusion method and device

Target object positioning virtual-real fusion method and device

The invention provides a target object positioning virtual-real fusion method and device. The method comprises the following steps: acquiring coordinates of a target object in a world coordinate system and a position and a viewing angle direction of each camera in the world coordinate system; a worl...

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Hauptverfasser: XIE YU, HE YONG, YAO JIFENG, ZHONG YIMING
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator XIE YU
HE YONG
YAO JIFENG
ZHONG YIMING
description The invention provides a target object positioning virtual-real fusion method and device. The method comprises the following steps: acquiring coordinates of a target object in a world coordinate system and a position and a viewing angle direction of each camera in the world coordinate system; a world matrix and an inverse matrix thereof are introduced; acquiring coordinates of the target object ina camera coordinate system of each camera through coordinate conversion; judging whether the coordinate in the camera coordinate system is within the three-dimensional vision field range of the BIM three-dimensional model of each camera or not; obtaining a display monitoring state of the target object by calling a monitoring video of a camera in the vision field range; according to the invention,bidirectional mapping of the target object between the physical entity (the target object) corresponding to the monitoring video and the digital space corresponding to the BIM three-dimensional modelis realized, and retrieval
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Target object positioning virtual-real fusion method and device
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