A Depth Sensor Based on Transient Property of Liquid Crystal Lens

Author:

Xiao Haifeng,Liu Zhiqiang,Tan Baolin,Ye Mao

Abstract

AbstractThe property of maintaining the lens state of the liquid crystal (LC) lens during the switching between positive and negative lens states is made use of in the fast acquirement of multi-focus images without magnification change. A depth from focus (DFF) pipeline that can generate a low-error depth map and an all-in-focus image is proposed. The depth of the scene is then obtained via DFF pipeline from the captured images. The depth sensor proposed in this paper has the advantages of simple structure, low cost, and long service life.

Publisher

Springer Science and Business Media LLC

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

Reference22 articles.

1. M. Hansard, S. Lee, O. Choi, and R. Horaud, “Time-of-flight cameras: principles, methods and applications,” Springer Science & Business Media, 2012.

2. P. J. Besl, “Active optical range imaging sensors,” Advances in Machine Vision, New York: Springer, 1989, pp. 1–63.

3. W. E. L. Grimson and S. Brenner, “A computer implementation of a theory of human stereo vision,” Philosophical Transactions of the Royal Society of London. B, Biological Sciences, 1981, 292(1058): 217–253.

4. Y. Xiong and S. A. Shafer, “Depth from focusing and defocusing,” in Proceedings of IEEE Conference on Computer Vision and Pattern Recognition, USA, 1993, pp. 68–73.

5. S. K. Nayar and Y. Nakagawa, “Shape from focus: An effective approach for rough surface,” in Proceedings of IEEE International Conference on Robotics and Automation, USA, 1990, pp. 218–225.

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3