首页|Rapid hologram generation through backward ray tracing and adaptive-resolution wavefront recording plane
Rapid hologram generation through backward ray tracing and adaptive-resolution wavefront recording plane
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Rapid hologram generation through backward ray tracing and adaptive-resolution wavefront recording plane
An advanced method for rapidly computing holograms of large three-dimensional(3D)objects combines backward ray tracing with adaptive resolution wavefront recording plane(WRP)and adaptive angular spectrum propagation.In the initial phase,a WRP with adjustable resolution and sampling interval based on the object's size is defined to capture detailed information from large 3D objects.The second phase employs an adaptive angular spectrum method(ASM)to efficiently compute the propagation from the large-sized WRP to the small-sized computer-generated hologram(CGH).The computation process is accelerated using CUDA and OptiX.Optical experiments confirm that the algorithm can generate high-quality holograms with shadow and occlusion effects at a resolution of 1024 x 1024 in 29 ms.
computer-generated hologram(CGH)wavefront recording plane(WRP)backward ray tracing
朱建英、毕勇、孙敏远、高伟男
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Applied Laser Research Center,Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China
University of Chinese Academy of Sciences,Beijing 100049,China
computer-generated hologram(CGH) wavefront recording plane(WRP) backward ray tracing
万方数据
维普
