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- W2587981556 abstract "We propose a method for computing realistic computer-generated holograms (CGHs) of three-dimensional (3D) objects, where we benefit from well-established graphical processing units (GPUs) and computer graphics techniques to handle occlusion, shading and parallax effects. The graphics render provides a 2D perspective image including occlusion and shading effects. We also extract the depth map data of the scene. The intensity values and 3D positions of object points are extracted by combining the rendered intensity image and the depth map (Z-buffer) image. We divide the depth range into several planes and quantize the depth value of 3D image points to the nearest plane. In the CGH computation part, we perform proper Fresnel transformations of these planar objects and sum them up to create the hologram corresponding to the particular viewpoint. We then repeat the entire procedure for all possible viewpoints and cover the hologram area. The experimental results show that the technique is capable of performing high quality reconstructions in a fast manner." @default.
- W2587981556 created "2017-02-24" @default.
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- W2587981556 date "2017-04-06" @default.
- W2587981556 modified "2023-10-03" @default.
- W2587981556 title "Fast computer-generated hologram computation using rendered depth map image" @default.
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- W2587981556 doi "https://doi.org/10.1117/12.2252374" @default.
- W2587981556 hasPublicationYear "2017" @default.
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