Stereo-hologram in discrete depth of field (Conference Presentation)

Kwanghoon Lee; Min-Chul Park

doi:10.1117/12.2267100

13 June 2017 Stereo-hologram in discrete depth of field (Conference Presentation)

Kwanghoon Lee, Min-Chul Park

Proceedings Volume 10233, Holography: Advances and Modern Trends V; 1023313 (2017) https://doi.org/10.1117/12.2267100
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

Abstract

In holographic space, continuous object space can be divided as several discrete spaces satisfied each of same depth of field (DoF). In the environment of wearable device using holography, specially, this concept can be applied to macroscopy filed in contrast of the field of microscopy. Since the former has not need to high depth resolution because perceiving power of eye in human visual system, it can distinguish clearly among the objects in depth space, has lower than optical power of microscopic field. Therefore continuous but discrete depth of field (DDoF) for whole object space can present the number of planes included sampled space considered its DoF. Each DoF plane has to consider the occlusion among the object’s areas in its region to show the occluded phenomenon inducing by the visual axis around the eye field of view. It makes natural scene in recognition process even though the combined discontinuous DoF regions are altered to the continuous object space. Thus DDoF pull out the advantages such as saving consuming time of the calculation process making the hologram and the reconstruction. This approach deals mainly the properties of several factors required in stereo hologram HMD such as stereoscopic DoF according to the convergence, least number of DDoFs planes in normal visual circumstance (within to 10,000mm), the efficiency of saving time for taking whole holographic process under the our method compared to the existing. Consequently this approach would be applied directly to the stereo-hologram HMD field to embody a real-time holographic imaging.

Conference Presentation

Citation Download Citation

Kwanghoon Lee and Min-Chul Park "Stereo-hologram in discrete depth of field (Conference Presentation)", Proc. SPIE 10233, Holography: Advances and Modern Trends V, 1023313 (13 June 2017); https://doi.org/10.1117/12.2267100

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KEYWORDS

Holography

Stereo holograms

Eye

Head-mounted displays

Visualization

Holograms

Microscopy

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