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Erschienen in: International Journal of Computer Vision 11-12/2019

11.02.2019

Reflectance and Shape Estimation with a Light Field Camera Under Natural Illumination

verfasst von: Thanh-Trung Ngo, Hajime Nagahara, Ko Nishino, Rin-ichiro Taniguchi, Yasushi Yagi

Erschienen in: International Journal of Computer Vision | Ausgabe 11-12/2019

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Abstract

Reflectance and shape are two important components in visually perceiving the real world. Inferring the reflectance and shape of an object through cameras is a fundamental research topic in the field of computer vision. While three-dimensional shape recovery is pervasive with varieties of approaches and practical applications, reflectance recovery has only emerged recently. Reflectance recovery is a challenging task that is usually conducted in controlled environments, such as a laboratory environment with a special apparatus. However, it is desirable that the reflectance be recovered in the field with a handy camera so that reflectance can be jointly recovered with the shape. To that end, we present a solution that simultaneously recovers the reflectance and shape (i.e., dense depth and normal maps) of an object under natural illumination with commercially available handy cameras. We employ a light field camera to capture one light field image of the object, and a 360-degree camera to capture the illumination. The proposed method provides positive results in both simulation and real-world experiments.

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Metadaten
Titel
Reflectance and Shape Estimation with a Light Field Camera Under Natural Illumination
verfasst von
Thanh-Trung Ngo
Hajime Nagahara
Ko Nishino
Rin-ichiro Taniguchi
Yasushi Yagi
Publikationsdatum
11.02.2019
Verlag
Springer US
Erschienen in
International Journal of Computer Vision / Ausgabe 11-12/2019
Print ISSN: 0920-5691
Elektronische ISSN: 1573-1405
DOI
https://doi.org/10.1007/s11263-019-01149-5

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