Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table

doi:10.1088/1674-1056/ad1e67

中国物理B ›› 2024, Vol. 33 ›› Issue (4): 44201-044201.doi: 10.1088/1674-1056/ad1e67

Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table

Yan Yang(杨燕)^1,2, Jianying Zhu(朱建英)^1,2, Minyuan Sun(孙敏远)¹, and Yong Bi(毕勇)^1,†

1 Applied Laser Research Center, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2023-11-07 修回日期:2024-01-11 接受日期:2024-01-15 出版日期:2024-03-19 发布日期:2024-03-27
通讯作者: Yong Bi E-mail:biyong@mail.ipc.ac.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 62205350), the Special Project of Central Government Guiding Local Science and Technology Development in Beijing 2020 (Grant No. Z20111000430000), and the Guangxi Nanning Key R&D Program (Grant No. 20233067).

Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table

Yan Yang(杨燕)^1,2, Jianying Zhu(朱建英)^1,2, Minyuan Sun(孙敏远)¹, and Yong Bi(毕勇)^1,†

1 Applied Laser Research Center, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China

Received:2023-11-07 Revised:2024-01-11 Accepted:2024-01-15 Online:2024-03-19 Published:2024-03-27
Contact: Yong Bi E-mail:biyong@mail.ipc.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 62205350), the Special Project of Central Government Guiding Local Science and Technology Development in Beijing 2020 (Grant No. Z20111000430000), and the Guangxi Nanning Key R&D Program (Grant No. 20233067).

摘要/Abstract

摘要： Computer-generated holography technology has been widely applied, and as research in this field deepens, the demand for memory and computational power in small AR and VR devices continues to increase. This paper presents a hologram generation method, i.e., a symmetrically high-compressed look-up table method, which can reduce memory usage by 50%. In offline computing, half of the basic horizontal and vertical modulation factors are stored, halving the memory requirements without affecting inline speed. Currently, its potential extends to various holographic applications, including the production of optical diffraction elements.

关键词: computergenerated hologram, look-up table, holography

Abstract: Computer-generated holography technology has been widely applied, and as research in this field deepens, the demand for memory and computational power in small AR and VR devices continues to increase. This paper presents a hologram generation method, i.e., a symmetrically high-compressed look-up table method, which can reduce memory usage by 50%. In offline computing, half of the basic horizontal and vertical modulation factors are stored, halving the memory requirements without affecting inline speed. Currently, its potential extends to various holographic applications, including the production of optical diffraction elements.

Key words: computergenerated hologram, look-up table, holography

中图分类号: (Computer-generated holograms)

42.40.Jv

42.40.-i (Holography)

Yan Yang(杨燕), Jianying Zhu(朱建英), Minyuan Sun(孙敏远), and Yong Bi(毕勇). Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table[J]. 中国物理B, 2024, 33(4): 44201-044201.

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Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table

Accelerated generation of holograms with ultra-low memory symmetrically high-compressed look-up table

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