Towards end-to-end 3D hologram generation strategy for holographic displays with transport of intensity equation

Xinxing Xia; Yiqing Tao; Huadong Zheng; Wenjing Zhou; Yingjie Yu

doi:10.1117/12.3035971

22 November 2024 Towards end-to-end 3D hologram generation strategy for holographic displays with transport of intensity equation

Xinxing Xia, Yiqing Tao, Huadong Zheng, Wenjing Zhou, Yingjie Yu

Author Affiliations +

Proceedings Volume 13240, Holography, Diffractive Optics, and Applications XIV; 132400M (2024) https://doi.org/10.1117/12.3035971
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

Holographic displays are widely regarded as the pinnacle of three-dimensional (3D) visualization technology. In these displays, real objects must be either photographed or converted into 3D models, which are then processed through neural networks or sophisticated algorithms to generate 3D holograms. To address this challenge, we propose an end-to-end 3D hologram generation strategy that integrates the Transport of Intensity Equation (TIE) phase retrieval technique with the Double Phase-Amplitude Coding (DPAC) method. Under coherent light illumination, phase-only holograms containing depth information can be directly generated by capturing out-of-focus amplitude maps of object light waves propagating to the holographic plane via a camera. The TIE module processes the two out-of-focus amplitude maps to resolve the phase and subsequently generates a phase-only hologram through DPAC. We further conduct simulations to validate the phase retrieval capability of the TIE on complex holograms and demonstrate the feasibility of our proposed strategy.

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

Citation Download Citation

Xinxing Xia, Yiqing Tao, Huadong Zheng, Wenjing Zhou, and Yingjie Yu "Towards end-to-end 3D hologram generation strategy for holographic displays with transport of intensity equation", Proc. SPIE 13240, Holography, Diffractive Optics, and Applications XIV, 132400M (22 November 2024); https://doi.org/10.1117/12.3035971

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