Focal surface projection: Extending projector depth of field using a phase-only spatial light modulator

被引：1
|
作者：
Ueda, Fumitaka [1 ]
Kageyama, Yuta [1 ]
Iwai, Daisuke [1 ]
Sato, Kosuke [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Japan
来源：
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY | 2023年 / 31卷 / 11期
基金：
日本学术振兴会;
关键词：
augmented reality; extended depth-of-field projector; focal surface; projection mapping;
D O I：
10.1002/jsid.1261
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a focal surface projection to solve the narrow depth-of-field problem in projection mapping applications. We apply a phase-only spatial light modulator to realize nonuniform focusing distances, whereby the projected contents appear focused on a surface with considerable depth variations. The feasibility of the proposed technique was validated through a physical experiment. Focal surface projection extends the depth of field of a projector. We have incorporated phase-only spatial light modulators (PSLMs) into our projector (A). The projection results obtained with our system exhibit less defocus blur compared to those of a normal projector (B). image
引用
收藏
页码：651 / 656
页数：6
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