Joint color optimization for computer-generated holography without color replicas

David Blinder; Fan Wang; Colas Schretter; Takashi Kakue; Tomoyoshi Shimobaba; Peter Schelkens

doi:10.1117/12.3022244

18 June 2024 Joint color optimization for computer-generated holography without color replicas

David Blinder, Fan Wang, Colas Schretter, Takashi Kakue, Tomoyoshi Shimobaba, Peter Schelkens

Proceedings Volume 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII; 129980G (2024) https://doi.org/10.1117/12.3022244
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Color holographic displays typically independently manipulate and combine light for three different wavelengths. Recent advances have made it possible to jointly encode a single extended-phase spatial light modulator (SLM) pattern modulating all colors simultaneously to display holograms at higher framerates and qualities. However, this inevitably leads to “color replicas”, where the objects at one wavelength are replicated at different depths for different colors, leading to disturbances in the viewing experience, thereby limiting its usefulness for 3D displays. We propose a novel coded illumination scheme to decorrelate the different color signals, eliminating the color replicas. We present the novel joint-color coding CGH algorithm, as well as an additional calibration algorithm, showing significant improvements in visual quality with a minor modification to the optical display setup.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

David Blinder, Fan Wang, Colas Schretter, Takashi Kakue, Tomoyoshi Shimobaba, and Peter Schelkens "Joint color optimization for computer-generated holography without color replicas", Proc. SPIE 12998, Optics, Photonics, and Digital Technologies for Imaging Applications VIII, 129980G (18 June 2024); https://doi.org/10.1117/12.3022244

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