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- W2274808568 abstract "Computer-generated holography (CGH) is a technique of digitally generating holograms from real-world or synthetic three-dimensional (3D) objects with numerical computation. However, direct calculation, generally referred to as ray tracing, of a computer-generated Fresnel hologram (CGFH) is computationally intensive. Moreover, real-time hologram generation can hardly be realized in practice. In recent decades, the rapid development and commercial availability of specialized high-speed digital processing hardware, such as Central Processing Unit (CPU), Graphic Processing Unit (GPU), and Field Programmable Gate Array (FPGA), have brought real-time hologram generation closer to reality. Despite the aid of hardware technology, providing real-time generation for 3D holographic video, especially high-resolution video, remains difficult. Therefore, apart from the use of hardware for acceleration, we explored superior algorithms to approximate the object beam at the hologram plane, so calculations can be significantly simplified and generation time can be greatly reduced. Hence, real-time holographic video can be achieved. This thesis reports two fast generation approaches of CGFH, namely, “Sub-Line-Based approach” and “Interpolated Wavefront Recording Plane (IWRP)" @default.
- W2274808568 created "2016-06-24" @default.
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- W2274808568 date "2012-01-01" @default.
- W2274808568 modified "2023-09-27" @default.
- W2274808568 title "Fast generation of computer-generated Fresnel hologram at video frame rate" @default.
- W2274808568 hasPublicationYear "2012" @default.
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