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학술지 Visual Perception of Fourier Rainbow Holographic Display
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저자
추현곤, Maksymilian Chlipala, Tomasz Kozacki
발행일
201902
출처
ETRI Journal, v.41 no.1, pp.42-51
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.2018-0502
협약과제
18MF1200, 디지털 홀로그래픽 테이블탑형 단말 기술 개발, 김진웅
초록
The rainbow hologram provides views of reconstruction with rainbow color within a large viewing zone. In our recent paper, a Fourier rainbow holographic display using diffraction grating and a white-light LED source was introduced. In this technique, the rainbow effect is realized by the dispersion of white-light source on diffraction grating, while the slit is implemented numerically by reducing the demands of the space-bandwidth product of the display. This paper presents a novel analysis on the visual perception of the Fourier rainbow holographic display using Wigner distribution. The view-dependent appearance of the image, including multispectral field of view and viewing zone, is investigated considering the observer and the display parameters. The resolution of the holographic view is also investigated. For this, a new quantitative assessment for image blur is introduced using Wigner distribution analysis. The analysis is supported with numerical simulations and experimentally captured optical reconstructions for the holograms of the computer model and real object generated with different slit size, reconstruction distance, and different observation conditions.
키워드
hologram, holographic display, rainbow hologram, Wigner distribution
KSP 제안 키워드
Diffraction grating, Display parameters, Field of view(FOV), Image blur, LED source, Numerical simulations, Quantitative assessment, Rainbow hologram, View-dependent, Visual Perception, White-light led
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