Realization method of stereoscopic spherical-screen projection system

Abstract

The invention relates to a realization method of a stereoscopic spherical-screen projection system. The method comprises the following steps: 1) arranging a plurality of projection channels at the edge of a spherical screen body, wherein each projection channel is provided with two projectors; 2) generating a mesh model with a computer based on spherical screen curved surface, carrying out fan-shaped segmentation on the mesh model according to the number and position of the projection channels, and selecting an effective fan-shaped area for each projection channel; 3) carrying out curved surface correction and edge fusion on each fan-shaped area; 4) adjusting the positions of the projectors and combining computer fusion fine tuning, and realizing left and right eye splicing of the projection channels to enable the projection picture of each projection channel to cover the spherical screen curved surface completely; and 5) carrying out synchronous output and synchronous projection on multichannel pictures. The realization method of the stereoscopic spherical-screen projection system is small in projection picture and small in picture pixel loss, and ensures definition and brightness of the pictures; and meanwhile, by enabling the adjacent cutting regions to form a regular fusion band, workload of the later-period correction work is greatly reduced.

Description

technical field [0001] The invention relates to a stereoscopic projection technology, in particular to a method for realizing a stereoscopic spherical screen projection system. Background technique [0002] The projectors of the existing dome projection system are mostly implemented with fisheye lenses, which requires the projector to be installed at the center of the dome, but in this way, the best viewing position for the audience will be lost and the viewing effect will be affected. Moreover, the fisheye lens itself deforms the picture greatly, and the pixel loss is high. When it is applied to a large dome screen, the clarity and brightness cannot achieve good results. At the same time, the existing dome projection system does not have the function of stereoscopic projection and cannot project stereoscopic films. With the rapid development of film projection technology, audiences are increasingly demanding for large-view stereoscopic films. A dome theater that provides a...

AI Technical Summary

Problems solved by technology

[0002] The projectors of the existing dome projection system are mostly implemented with fisheye lenses, which requires the projector to be installed at the center of the dome, but this will lose the best viewing position for the audience and affect the viewing effect

Moreover, the fisheye lens itself deforms the picture greatly, and the pixel loss is high. When it is applied to a large dome screen, the clarity and brightness cannot achieve good results.

At the same time, the existing dome projection system does not have the function of stereoscopic projection and cannot project stereoscopic films. With the rapid development of film projection technology, audiences are increasingly demanding for large-view stereoscopic films. A dome theater that provides a three-dimensional, perfect visual experience appears

In terms of stereoscopic projection technology, due to its low cost and easy implementation, polarized passive stereoscopic technology is mostly used in theaters, but polarized passive stereoscopic technology mainly uses the direction of light to separate the left and right eye images, while the spherical screen itself The direction of light reflection and refraction is more complicated and cannot be separated simply

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