| With the development of computer science and technology,virtual reality technology has burst out unprecedented creativity and motivation,and is widely used in education and entertainment,interior design,emergency deduction,building construction and many other aspects.In recent years,construction safety accidents have occurred frequently across the country.These accidents have not only caused property losses and casualties,but also caused very bad social effects.Kinect is a technical branch of virtual reality,so the main technical fields involved in this design include virtual reality technology,computer animation technology and virtual human technology.The key technologies studied in this paper include depth image acquisition,bone tracking technology,bone motion discrimination technology,motion redirection technology,collision detection technology,Unity3 D development technology and BIM technology.This paper designs and develops a Kinect-based construction safety experience system,which mainly includes the following work content.First use MAYA,Unity3 d and other software to make three-dimensional virtual models of construction sites and workers,and then render the virtual models.Then,use Kinect to obtain human joint data and bind the manufactured worker model,and to correspond Kinect to the model bone data.Key technologies such as skeletal motion identification technology and motion redirection increase the authenticity and fluency of the character model,and finally import it into the Unity virtual scene and connect the VR device to achieve consistent synchronization of the virtual character and the real person’s movements and interaction with the virtual scene.The experimental results of the system show that the construction safety experience system developed in this paper is robust and has a certain real-time interactive function,which has certain practical significance and value for the application of Kinect equipment and the development of virtual reality technology. |
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