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Opt Express. 2011 May 9;19(10):9086-101. doi: 10.1364/OE.19.009086.

Calculation for computer generated hologram using ray-sampling plane.

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  • 1Department of Imaging Science and Engineering Laboratory, Tokyo Institute of Technology, 4259-R2-56 Nagatsuta, Yokohama, Kanagawa, 226-8503 Japan.


We introduce a new algorithm for calculating computer generated hologram (CGH) using ray-sampling (RS) plane. RS plane is set at near the object and the light-rays emitted by the object are sampled at the plane. Then the light-rays are transformed into the wavefront with using the Fourier transforms. The wavefront on the CGH plane is calculated by wavefront propagation simulation from RS plane to CGH plane. The proposed method enables to reproduce high resolution image for deep 3D scene with angular reflection properties such as gloss appearance.

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