Virtual experiment teaching oriented dynamic component visualization method

A Technology of Virtual Experiment Teaching and Component

Active Publication Date: 2012-06-20
BEIHANG UNIV
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Problems solved by technology

[0004] At present, some progress has been made in the research and application of virtual experimental teaching environment at home and abroad, but except for the virtual instrument development software of NI, there are not many mature commercial platforms, and there is basically no general development platform
In 2001, Zeng Huanwen and others from Taiwan Normal University designed and implemented an interactive virtual laboratory based on an expert system, but this system is only suitable for motor experiments
Because the concept and characteristics of dynamic components are not clear, the existing technology cannot model and visualize dynamic components

Method used

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  • Virtual experiment teaching oriented dynamic component visualization method
  • Virtual experiment teaching oriented dynamic component visualization method
  • Virtual experiment teaching oriented dynamic component visualization method

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Embodiment Construction

[0049] The present invention is a visualization method for dynamic components oriented to virtual experiment teaching. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] refer to figure 1 An overall schematic diagram of the present invention, the present invention is divided into a modeling stage and a visualization stage. The modeling stage includes four parts: (1) image information acquisition, using image segmentation to obtain image information describing dynamic components; at the same time, graphic information acquisition, using interactive geometric configuration to obtain graphic information describing dynamic components; (2) virtual and real fusion Processing, integrating image information and graphic information and the relationship between position, size, occlusion, etc., to construct the virtual and real fusion of dynamic component appearance attributes; (3) modeling the result display mode, defining the ...

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Abstract

The invention relates to a virtual experiment teaching oriented dynamic component visualization method which aims to realize the modeling and visualization of an experiment component with dynamically-changing appearance and strong interaction in the virtual experiment teaching process. The method mainly comprises the following steps of: (1) modeling the dynamic component in a virtual experiment teaching environment, specifically comprising the steps of obtaining the image information describing the dynamic component by use of image division, and obtaining the graphic information describing the dynamic component by use of interactive geometric configuration and the like to finish the modeling of the dynamic component; and (2) visualizing the dynamic component in the virtual experiment teaching environment, specifically comprising the steps of drawing the dynamic component according to the appearance attributes in the virtual experiment teaching scene and the like to visualize the experiment result to the user and dynamically respond to an interaction event and update the visualization result. The method provided by the invention can be widely applied to the fields of virtual experiment teaching, distance education and training and the like, and realizes visualization of the dynamic experiment component in the virtual experiment teaching.

Description

technical field [0001] The invention relates to the fields of image processing, computer graphics and virtual reality, in particular to a visualization method for dynamic components oriented to virtual experiment teaching. Background technique [0002] Virtual reality takes computer technology as the core and combines relevant science and technology to generate a digital environment that is highly similar to a certain range of real environments in terms of sight, hearing, and touch. Users interact and interact with objects in the digital environment with the help of necessary equipment. Influence can produce the feeling and experience of being in the corresponding real environment. In recent years, more and more virtual reality technology has been applied in the field of education, among which the virtual experimental teaching environment is a typical representative. The virtual experiment teaching environment can provide a virtual experiment environment for the majority of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00G06T13/00
Inventor 陈小武赵沁平杨自强池昌鉴贾国栋
Owner BEIHANG UNIV
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