Information capacity of phase-only computer-generated holograms for holographic displays

被引：1
|
作者：
Sha, Jinze [1 ]
Kadis, Andrew [1 ]
Wetherfield, Benjamin [1 ]
Meng, Roubing [1 ]
Huang, Zhongling [1 ]
Singh, Dilawer [1 ]
Wojcik, Antoni [1 ]
Wilkinson, Timothy D. [1 ]
机构：
[1] Univ Cambridge, Elect Engn Bldg,9 JJ Thomson Ave, Cambridge CB3 0FA, England
来源：
OPTICS, PHOTONICS, AND DIGITAL TECHNOLOGIES FOR IMAGING APPLICATIONS VIII | 2024年 / 12998卷
基金：
英国工程与自然科学研究理事会;
关键词：
Computer-generated holography; Phase-only hologram generation; Bit depth; Reconstruction quality; Information theory; Spatial light modulator; Holographic display;
D O I：
10.1117/12.3021882
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Despite many years of development in computer-generated holography, perfect phase-only holograms for most target images are still yet possible to compute. All computational phase retrieval algorithms end up with some error between the target image and the reconstruction of the computer-generated hologram (CGH), except for specific targets. This research focuses on the fundamental limits of phase-only CGH quantized to limited bit-depth levels, from the information theory point of view, revealing the information capacity of CGH and its effect on reconstruction quality, with an attempt to quantify how hard a target image is for phase-only hologram computation.
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页数：8
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