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The Implementation of Virtual Training System with Stereo Vision

Author: FanYanPing
Tutor: LuoXueKe；YangFangTing
School: North China University of
Course: Mechanical and Electronic Engineering
Keywords: Virtual Reality Three-dimensional modeling Complex objects OpenSceneGraph Stereo vision
CLC: TP391.9
Type: Master's thesis
Year: 2010
Downloads: 211
Quote: 3
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Abstract


With the development of information technology and computer technology , virtual reality technology has become one of the hot research and development of the field of information and its key technology research and application has been more and more attention , and is widely used in national defense , industry, economy , agriculture , education and training , health care and other fields . Main key technologies of virtual reality applications in virtual training simulation system , combined with the the scene instance the development of a virtual training environment with high fidelity and strong practicality , provides a realistic and more complex equipment virtual training variable training scenarios . Research content specifically for the following two aspects : 1 ) the construction of the model database ; characteristics of the three - dimensional scene modeling , on the application of three-dimensional modeling and optimization of key technologies , combined with the geometric characteristics of the modeling object , a detailed analysis and propose build complex irregular objects , realistic build the the scene object model , and provide the data base for the generation of the virtual scene . 2) The design of the virtual scene generation and system functional modules . Through the detailed analysis of the scene graph theory , rational and efficient organization of the scene data , open source graphics engine OpenSceneGraph (OSG) for the development of tools , designed driver framework based the double thread scenes of MFC OSG the virtual scene quickly import , the training system provides a real and effective virtual scene . Designed and implemented in this platform , the environmental effects modules, scene roaming module , collision detection module , the operation simulation module , multi - window design module and three-dimensional sound module . Focuses on the development of three-dimensional vision module on the principle of stereoscopic display , analysis and comparison of the three-dimensional display program , combined with current laboratory existing hardware and software facilities , independent design passive stereo projection scheme applicable to large populations observed and to achieve a high degree of three - dimensional visual effects software driver interface . The simulation results show that the functionality of the prototype system is versatile and can be easily ported from one system to another system , and to enhance of immersion virtual training and practical from a three-dimensional auditory and visual .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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