Three-dimensional vision semi-matter simulating system and method

A semi-physical simulation and stereo vision technology, which is applied in stereoscopic systems, image communications, electrical components, etc., can solve problems such as difficulty in simulation of semi-physical simulation systems, difficulties, bottlenecks of semi-physical simulation systems and methods, etc., and achieve structural Simple, low-cost, easy-to-achieve effects

Inactive Publication Date: 2007-01-17
BEIHANG UNIV
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AI Technical Summary

Problems solved by technology

Since the hardware-in-the-loop simulation needs to combine software and hardware to build a system, it is difficult to establish a system model between software and hardware and determine the relationship between the digital scene and the actual camera image. It is a stereo vi...

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  • Three-dimensional vision semi-matter simulating system and method
  • Three-dimensional vision semi-matter simulating system and method
  • Three-dimensional vision semi-matter simulating system and method

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Embodiment Construction

[0013] figure 1 What is shown is the most basic principle of binocular stereo vision measurement. For any point P on the surface of a space object, its camera C 1 Corresponding image plane I 1 P 1 Indicates that point P is located at the optical center of the camera and P 1 cannot pass through the point P on the connection 1 Recover the three-dimensional position of point P, and point P is also located in camera C 2 Corresponding image plane I 2 upper image point P 2 and its optical center, so the three-dimensional position of the spatial point P can be uniquely determined through two cameras.

[0014] figure 2 The shown stereo vision hardware-in-the-loop simulation system comprises a projector 1, a video camera 2, a video camera platform 3, a projection screen 4, and computers 5 and 6. Each part is fixed on an indoor wall or a stable support. Select the VPL-CX71 portable projector produced by Sony Corporation to connect with the computer 5, and project the virtual th...

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Abstract

The system comprises: a projector, a video camera, a cradle head of video camera, a projection screen and a computer. When using the simulation system to make simulation, in the first, the virtual view software in the computer generates a virtual 3D image to get multi virtual stereovision 3D images from more than two viewpoints at same time. The projector projects each 3D image to the screen; the real video camera respectively captures the 3D images from different viewpoints on the screen to get the output images of the simulation system at the measurement time; calculating the parameters of the virtual video camera, the parameters of imaging model of real video camera and the parameters of imaging model of projector; finally, based on the basis principle of stereovision, getting the virtual 3D scene and 3D space coordinates in the image.

Description

technical field [0001] The invention relates to a stereo vision semi-physical simulation system and method. Background technique [0002] Stereo vision is to determine the three-dimensional structure of the scene according to two or more images taken from different viewpoints. The theoretical basis of its research is that a single three-dimensional position in the real world is projected to a unique pair of image positions. Different from the general photography system which can only record the 3D scene in 2D form and lose a lot of information, stereo vision can obtain 3D data of the scene, and it is getting better and better in robot vision, aerial surveying and mapping, military application, medical diagnosis and industrial inspection. It is more and more widely used, and researchers at home and abroad are also studying it more and more deeply. At present, stereo vision simulations are mainly pure digital simulations, which can provide a research and development platform ...

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Application Information

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IPC IPC(8): H04N13/00H04N15/00
Inventor 张广军李苏祺魏振忠
Owner BEIHANG UNIV
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