Abstract
Graphics processing unit (GPU) based fast calculation method for computer
generated spherical hologram (CGSH) of a real-existing object is proposed.
Three-dimensional (3D) point cloud is constructed by capturing a real-existing
object from multiple directions using a depth camera. The GPU based calculation is
used in both hologram generation part and numerical reconstruction part of the CGSH.
The improved calculation efficiency is verified by comparing the computation speed
between central processing unit (CPU) based and GPU based implementation.
© 2014 Chinese Optics Letters
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