3 February 2009 Real-time IP-hologram conversion hardware based on floating point DSPs
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Abstract
Holography is a 3-D display method that fully satisfies the visual characteristics of the human eye. However, the hologram must be developed in a darkroom under laser illumination. We attempted hologram generation under white light by adopting an integral photography (IP) technique as the input. In this research, we developed a hardware converter to convert IP input (with 120×66 elemental images) to a hologram with high definition television (HDTV) resolution (approximately 2 million pixels). This conversion could be carried out in real time. In this conversion method, each elemental image can be independently extracted and processed. Our hardware contains twenty 300-MHz floating-point digital signal processors (DSPs) operating in parallel. We verified real-time conversion operations by the implemented hardware.
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Ryutaro Oi, Ryutaro Oi, Tomoyuki Mishina, Tomoyuki Mishina, Kenji Yamamoto, Kenji Yamamoto, Makoto Okui, Makoto Okui, } "Real-time IP-hologram conversion hardware based on floating point DSPs", Proc. SPIE 7233, Practical Holography XXIII: Materials and Applications, 723305 (3 February 2009); doi: 10.1117/12.807612; https://doi.org/10.1117/12.807612
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