Influence of the Maximum Blur Radius on Depth Sensor Based on Liquid Crystal Lens

• 作者: Liming ZHENG Xiaoxi CHEN Yalei ZHANG Mao YE
• 来源期刊: 光子传感器（英文版）
• 年，卷（期）: 2021,（3）
• 页码范围: 371-375
• 页数: 5页
• 语种: 英文
• DOI: 10.1007/s13320-021-0621-x

摘要

This paper describes how the maximum blur radius affects the depth results by depth from the defocus(DFD)method based on liquid crystal(LC)lens.Boundary frequency is determined by the maximum blur radius.It is found that if the maximum blur radius used in the calculation is larger than the real value,the depth resolution obtained is reduced;on the other hand,if one smaller than the real value is used,the depth resolution in the middle range of the scene is increased,but errors occur in the near and far planes.Using the maximum blur radius close to the real one results in the best depth results.