We can generate arbitrarily focused images with arbitrarily aperture shapes from a light field, which is usually captured with a specific device such as a light field camera. In contrast, we propose a method that only needs a sparse focal stack, i.e., a few differently focused images, which can be easily captured with a conventional camera, for the same purpose. Specifically, our method first reconstructs the underlying dense light field from the sparse focal stack, and then, generates arbitrarily focused images.

Date Published: 22 March 2019
PDF: 4 pages
Proc. SPIE 11049, International Workshop on Advanced Image Technology (IWAIT) 2019, 110493E (22 March 2019); doi: 10.1117/12.2521486

Published in SPIE Proceedings Vol. 11049:
International Workshop on Advanced Image Technology (IWAIT) 2019
Qian Kemao; Kazuya Hayase; Phooi Yee Lau; Wen-Nung Lie; Yung-Lyul Lee; Sanun Srisuk; Lu Yu, Editor(s)