Experimental study on auto-focusing and ranging based on light-field imaging technique

Jiang M. Xu; Shi Y. Hu; Fei Feng; Jing T. Ma; Zun L. Liu

doi:10.1117/12.2268982

28 February 2017 Experimental study on auto-focusing and ranging based on light-field imaging technique

Jiang M. Xu, Shi Y. Hu, Fei Feng, Jing T. Ma, Zun L. Liu

Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 102560G (2017) https://doi.org/10.1117/12.2268982
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China

Abstract

In this paper, we present an auto-focusing and ranging method which is based on light-field imaging spatial refocusing principles and simulation algorithm. The clearest image could be chosen among the refocused image sequences by using image-resolution evaluation functions when we select the window of the object whose distance needs to be measured. Finally, we measure an object on the scene with the auto-focusing and ranging method and analyze its range and accuracy. The experimental results show that the auto-focusing and ranging method could obtain distance information of different objects using one-shooting light-field image and then measure the distances of two or more objects in one scene.

Citation Download Citation

Jiang M. Xu, Shi Y. Hu, Fei Feng, Jing T. Ma, and Zun L. Liu "Experimental study on auto-focusing and ranging based on light-field imaging technique", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 102560G (28 February 2017); https://doi.org/10.1117/12.2268982

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