This paper is organized as follows: The first part (Section 2) explains the existing method of edge blending we study the elimination of “light zone” and the match of color and brightness. And experimental results show that the proposed algorithm effectively eliminates the light generated by the edge of the integration region and the image has good transitions, the proposed algorithm reduces the output of the projector color differences by the value of SNR. To the best of our knowledge, finally, we eliminate the effect of color distortion through the Gamma correction.
From this analysis, we introduce a non-linear and adjustable parameters function by modifying the original function of the edge blending, next, set the original image samples splicing region and then deal with the bright areas of overlap region by improved function of splicing. In this paper, we first analyze the causes of the optical cracks. However, these studies in the selection of the edge blending are a simple linear function, and therefore it does not substantially improve the output signal. Figure 1 shows a schematic diagram of seamless tiled algorithm. Edge blending, that is, the two images into a region of overlap, which overlaps the region of the signal, according to a linear relationship between the fusion fade, makes a direct overlap between the “light zone” effects as much as possible to eliminate in order to achieve real seamless effect. In recent years, in addition to considering screen, projectors, processors and other hardware, a large number of edge blending algorithms appear in the field of the edge blending. But the integration technology of image fusion machine must manually adjust and do not have relevance. In the seamless tiled system, in order to eliminate image mosaic caused by cracks in optical and ultimately to achieve seamless tiled, the previous solution is to buy expensive projector or image fusion machine, which usually have an embedded projector lens and geometric optics chip calibration.
Thus, they are extremely useful for visualizing large scientific models and in immersive virtual environments, In order to achieve large-area, high-resolution seamless display, more and more of research institutions and researchers began to study seamless technology based on multi-projector display. Very large-area multi-projector display systems have wide applications since they provide immersive environments, high resolution, and a large field of view.
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