基于波前记录平面的计算全息图快速生成算法最新研究进展  

Recent Advances in Development of Fast Algorithms for Computed Hologram Generation Using Wavefront Recording Plane Technique

作　　者：鞠钦宇 桂进斌[1] 王晓诗 Ju Qinyu;Gui Jinbin;Wang Xiaoshi(Faculty of Science,Kunming University of Science and Technology,Kunming 650500,Yunnan,China)

机构地区：[1]昆明理工大学理学院,云南昆明650500

出　　处：《激光与光电子学进展》2022年第24期1-10,共10页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(62065010,62165007,61565011)。

摘　　要：在全息三维显示领域,计算全息图的快速生成算法是重要的研究内容。波前记录平面法是一种基于点云加速计算全息图生成的方法,能有效减少计算时间。对波前记录平面计算全息图生成方法及应用的最新进展进行分析讨论,首先介绍波前记录平面方法的原理,然后详细分析波前记录的最新研究方法,从加快计算全息图的生成速度、提高三维重建图像质量及一些特殊应用如曲面全息成像等方面进行总结分析。详细分析各种波前记录平面方法在增加计算速度、提高重建像质量、减少查找表占用内存、增大视场角、去除混叠噪声等方面的改进及应用,并分析该方法在实时、动态、高质量、大视角全息三维显示中的作用。最后分析了各种方法的优劣,对波前记录平面方法的未来发展方向进行展望。In the field of holographic three-dimensional(3D)display,the development of fast algorithms with which to generate computed holograms is an important research task,as the generation of computed holograms is currently timeconsuming.The wavefront recording plane(WRP)technique is an effective method to accelerate the generation of holograms based on point clouds.This study analyzes the latest progress in the development and application of the WRP technique for computed holograms.We first introduce the principles of the WRP technique,before going on to analyze the latest research methods for wavefront recording in detail.We summarize and analyze the ways in which these techniques are used to accelerate the generation of the computed hologram and to improve the quality of 3D image reconstruction,and we also review special applications such as surface holographic imaging.We analyze the current utility of the various WRP methods for increasing the speed of computation,improving the quality of image reconstruction,reducing the size of the look-up table in computer memory,increasing the field-of-view angle,and removing aliasing noise.The role of the WRP technique in the creation of real-time,dynamic,high-quality,and large-view holographic 3D displays is also analyzed.Finally,the advantages and disadvantages of various methods are analyzed,and future directions for the development of the WRP technique are proposed.

关 键 词：计算全息图 波前记录平面 图像重建 查找表 

分 类 号：O438.1[机械工程—光学工程]