A virtual reality-based dynamic projection method and system

Abstract

The invention relates to the technical field of virtual reality, and discloses a dynamic projection method and system based on virtual reality. The virtual reality-based dynamic projection method includes: collecting real space images, constructing a three-dimensional space model; determining the virtual object to be projected, and the real object to be projected and combined with the virtual object, wherein the real object is located in the Real space: Acquire the characteristic parameters of the real object, search for a virtual object picture matching the characteristic parameters according to the characteristic parameters of the real object; adjust the projection of the projector according to the positional relationship between the projector and the real object direction, and project the virtual object picture onto the real object in a fixed size. The present invention can realize the fixed size of the projected image of the virtual object picture, and the fusion of virtual reality is coordinated and realistic, thereby improving user experience.

Description

Technical field [0001] The present invention relates to the field of virtual reality, and more particularly to a dynamic projection method and system based on virtual reality. Background technique [0002] Virtual reality is a computer simulation system that can create and experience virtual world. It is used to generate an analog environment. It is a multi-source information fusion, interactive three-dimensional dynamic view and physical behavior of entity behavior to immerse users. In this environment. [0003] With the development of science and technology and the continuous improvement of people's living standards, people's requirements for visual feelings are increasing. On the one hand, people's requirements for display devices on the human machine interface have become more and more perspective and large-screen high resolution; on the other hand, in the display effect, people tend to pursue enhancement reality, immersive Visual enjoyment, in operation, pursuit of artificia...

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Problems solved by technology

[0004] In the process of implementing the present invention, the inventor found that the related technology has the following problems: in the actual dynamic projection application, if there is an error in the spatial matching between the virtual object and the real object, since the human eye is very sensitive to this error, this This kind of error will make the user feel that the combination of virtual reality is uncoordinated and unrealistic, making the user experience poor

Especially in the dynamic projection of traditional projection equipment, as the distance and angle between the projector and the projection plane change, the size and shape of the projected virtual object image will change accordingly, resulting in the projected The ratio between the virtual object image and the real object in the real space does not conform to the convention, the visual experience is poor, and the original intention of virtual reality fusion cannot be achieved

For example: when the angle between the projector and the projection plane is fixed, it is necessary to project a virtual apple image onto a fruit plate in the real space. When the conventional projection distance is small, the projection display area is small, and the size of the apple becomes smaller. When the projection distance is large, the projection display If the area is large, the size of the apple will increase accordingly, making the size of the virtual apple image and the fruit plate in the real space uncoordinated, and the user's visual experience is not good

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