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학술대회 Image Blur and Visual Perception for Rainbow Holographic Display
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저자
추현곤, Maksymilian Chlipała, Tomasz Kozacki
발행일
201805
출처
SPIE Photonics Europe 2018 (SPIE 10679), pp.1-7
DOI
https://dx.doi.org/10.1117/12.2306902
협약과제
18MF1200, 디지털 홀로그래픽 테이블탑형 단말 기술 개발, 김진웅
초록
The rainbow hologram provides observation of the reconstructed object with different spectra over different viewing position. Recently, we've proposed a concept of digital rainbow holographic display using diffraction grating and white LED lighting source. In the technique, the slit is implemented numerically by reducing the frequency of the hologram, while the rainbow effect is realized by dispersion of white light source on the diffraction grating. Phase only SLM with 4F imaging system is used for implementation of complex wave fields. For classical rainbow hologram, image blur is known to be very important key point regarding holographic image quality. In this paper, we analyze image blur and visual perception for digital rainbow holographic display. The quality of reconstructed rainbow holograms is investigated under varying viewing conditions regarding visual perception and depth resolution. In experiments, the visual properties of the digital rainbow hologram are analyzed using optical reconstructions for the hologram of 3D and 2D objects of different depth.
키워드
Hologram, Holographic display, Rainbow hologram, Viewing window based hologram
KSP 제안 키워드
4f imaging system, Complex wave, Depth resolution, Diffraction grating, Image blur, Image quality, Key points, Led lighting, Rainbow hologram, Visual Perception, White LED