Paper
22 May 2013 Liquid crystal lens for axially distributed three-dimensional sensing
Author Affiliations +
Abstract
In this paper, we present a novel three-dimensional (3D) sensing system which can demonstrate 3D acquisition. The proposed system is using an electronically tunable liquid crystal (LC) lens with axially distributed sensing method. Therefore, multiple 2D images with slightly different perspectives by varying the focal lengths of the LC lens without mechanical movements of an image sensor can be recorded. And then the 3D images are further reconstructed according to the ray-back projection algorithm. The preliminary functionalities are also demonstrated in this paper. We believe that our proposed system may useful for a compact 3D sensing camera system.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yi-Pai Huang, Chih-Wei Chen, Myungjin Cho, and Bahram Javidi "Liquid crystal lens for axially distributed three-dimensional sensing", Proc. SPIE 8738, Three-Dimensional Imaging, Visualization, and Display 2013, 873804 (22 May 2013); https://doi.org/10.1117/12.1518457
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CITATIONS
Cited by 2 scholarly publications.
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KEYWORDS
Liquid crystals

Sensing systems

3D image processing

3D acquisition

3D image reconstruction

Cameras

Imaging systems

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