The edge fusion technology system in arc-shaped seamless stitching is a special and relatively demanding projection display application, which can realize the fusion of multi-screen images and minimize the stitching gap to the extent that it completely overlaps. Seamless stitching technology not only requires a complete super-large screen, but also has special requirements for the projection used to project super-large screens. The seamless edge fusion technology system is usually divided into the following four technologies.
1. Edge fusion technology
The image seamless stitching edge fusion technology (softedge) is used to eliminate edge shadows, so that the entire screen achieves an integrated stereo panoramic effect, so that the observer is fully devoted to the virtual world;
2. Green convergence technology
To make the seamless splicing of multiple projector images without misalignment and proportional distortion, the green reference of each projector must be aligned;
3. Full screen contrast modulation technology
For multi-channel systems, edge blending and contrast tuning can produce a seamless and the same brightness image. As a result, multiple projectors are added to create an immersive environment. Gamma correction in the mixing area ensures that the consistency of edge mixing is maintained at various video levels.
4. Expanded geometry adjustment technology
In order to adapt to the focus and geometric adjustment of the curved curved screen, in addition to using a special large-scale curved surface geometric adjustment lens, extended geometric adjustment technology is also needed to ensure that the projector makes a range in the arc screen with a large tilt angle projection and a large curvature Full adjustment, this adjustment capability ensures the accuracy of the image mapped on the cylindrical screen in multi-channel projection.
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