High-efficiency multi-projector splicing and amalgamation method

Abstract

The invention discloses a high-efficient multi-projector splicing and blending method. One quarter of an arc is taken as a blending curve for an edge blending color correction method based on the existing geometric correction, and a graded combination linear gradient brightness compensation method is adopted for the light leakage phenomenon. The method does not need to spend great workload and can realize good splicing effect and reflect the high efficiency, so the method can be widely applied in various multi-projector splicing display systems.

Description

technical field [0001] The present invention relates to a multi-projector splicing technology, in particular to an efficient multi-projector splicing and fusion method. Background technique [0002] In the past, such as playing movies, a single-projector architecture was often used. Although it has a very good effect on the consistency and integrity of image and video output, it is difficult to meet the growing demand due to the lack of single-projector resolution. The visual needs of the audience. The farther away the viewer is from the screen, the less clear the image will be. Multi-projector splicing is a technology created to solve this problem. Its role is that for high-resolution image or video input sources, it can be output to a single display device such as a large screen through multiple projectors on the basis of maintaining its resolution and visual consistency, and realize seamless splicing , so that the audience can get a good visual effect. [0003] The mu...

AI Technical Summary

Problems solved by technology

Today's color correction mainly has two ideas, one is the "gamut matching" (Gamut Matching) method, first obtain the response curve reflecting the optical characteristics of each projector (such as figure 1 ), and unify the colors of all projectors into a common color interval. Although this can strictly ensure color consistency, in order to be consistent with the projectors with the lowest brightness, the overall brightness will be lost, affecting the final Although the visual effect can be optimized, the workload required is huge and the scalability is poor; the other is to use the edge blending method, which is to transfer the alpha value of one projector in each overlapping area to the adjacent other - The direction of the projector gradually decreases according to a certain curve to achieve a smooth transition of brightness and strong scalability

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