@inproceedings{bad40b9ffb2a404381c3517e56d10847,
title = "Design of a distortion-corrected, short-focus projection optical system for curved display surface",
abstract = "Short-focus projection technology has always been a challenging research hotspot. This paper presents an integrated design methodology for a short-focus projection optical system tailored for curved display surfaces, combining optical optimization with an image predistortion framework based on Radial Basis Function (RBF) interpolation. The proposed all-refractive zoom system achieves high image quality across a projection range of 800 mm to 2400 mm. By incorporating a freeform surface screen and employing non-sequential ray tracing for validation, the system effectively compensates for irregular, asymmetric distortions introduced by curvature variations. Simulation results confirm excellent modulation transfer function (MTF) performance and uniform illumination, demonstrating the viability of the optical-image co-design approach for high-fidelity curved surface projection within confined spaces.",
keywords = "optical optimization, Projection technology, Radial Basis Function (RBF), zoom system",
author = "Yue Liu and Haifeng Gao and Xueliang Shi and Chen Su and Qinjie Han and Jiaxi Duan and Dewen Cheng",
note = "Publisher Copyright: {\textcopyright} 2026 SPIE.; 3rd International Academic Conference on Optics and Photonics, IACOP 2025 ; Conference date: 31-10-2025 Through 02-11-2025",
year = "2026",
month = feb,
day = "9",
doi = "10.1117/12.3100616",
language = "English",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Qiegen Liu and Weiqing Gao and Yang Yue",
booktitle = "Third International Academic Conference on Optics and Photonics, IACOP 2025",
address = "United States",
}