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Real-time colour hologram generation based on ray-sampling plane with multi-GPU acceleration.


ABSTRACT: Although electro-holography can reconstruct three-dimensional (3D) motion pictures, its computational cost is too heavy to allow for real-time reconstruction of 3D motion pictures. This study explores accelerating colour hologram generation using light-ray information on a ray-sampling (RS) plane with a graphics processing unit (GPU) to realise a real-time holographic display system. We refer to an image corresponding to light-ray information as an RS image. Colour holograms were generated from three RS images with resolutions of 2,048?×?2,048; 3,072?×?3,072 and 4,096?×?4,096 pixels. The computational results indicate that the generation of the colour holograms using multiple GPUs (NVIDIA Geforce GTX 1080) was approximately 300-500 times faster than those generated using a central processing unit. In addition, the results demonstrate that 3D motion pictures were successfully reconstructed from RS images of 3,072?×?3,072 pixels at approximately 15 frames per second using an electro-holographic reconstruction system in which colour holograms were generated from RS images in real time.

SUBMITTER: Sato H 

PROVIDER: S-EPMC5784160 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Real-time colour hologram generation based on ray-sampling plane with multi-GPU acceleration.

Sato Hirochika H   Kakue Takashi T   Ichihashi Yasuyuki Y   Endo Yutaka Y   Wakunami Koki K   Oi Ryutaro R   Yamamoto Kenji K   Nakayama Hirotaka H   Shimobaba Tomoyoshi T   Ito Tomoyoshi T  

Scientific reports 20180124 1


Although electro-holography can reconstruct three-dimensional (3D) motion pictures, its computational cost is too heavy to allow for real-time reconstruction of 3D motion pictures. This study explores accelerating colour hologram generation using light-ray information on a ray-sampling (RS) plane with a graphics processing unit (GPU) to realise a real-time holographic display system. We refer to an image corresponding to light-ray information as an RS image. Colour holograms were generated from  ...[more]

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