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就多投影立体拼接显示墙关键技术进行了研究和探讨,提出了影响立体感的两个指标最大视差和正负视差配比,给出了立体视差调节的指导性原则。首次提出了以实时曲线拟合生成边缘融合函数的方法,并基于平行双目投影模型,结合几何校正技术对多通道立体显示拼接墙进行了实现。实验证明,最大视差和正负视差配比对虚拟现实系统的立体感有着重要影响,并且基于曲线拟合的边缘融合方法能够快速实现多通道投影的无缝拼接。
The key technologies of multi-projection 3D splicing display wall are researched and discussed, and the maximum parallax and the ratio of positive and negative parallax of the two indexes that affect the stereoscopic sense are put forward. The guiding principle of stereoscopic parallax adjustment is given. For the first time, a method of generating edge fusion function by real-time curve fitting was proposed. Based on the parallel binocular projection model, combined with geometric correction technology, multi-channel 3D display mosaic wall was implemented. Experiments show that the maximum parallax and the ratio of positive and negative parallax have an important influence on the stereoscopic effect of the virtual reality system, and the edge fusion method based on the curve fitting can quickly realize the seamless mosaic of the multi-channel projection.