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|Title:||Auto-calibrating photometric stereo using ring light constraints||Authors:||Shiradkar, R.
Ring light constraints
|Issue Date:||2014||Citation:||Shiradkar, R., Tan, P., Ong, S.H. (2014). Auto-calibrating photometric stereo using ring light constraints. Machine Vision and Applications 25 (3) : 801-809. ScholarBank@NUS Repository. https://doi.org/10.1007/s00138-013-0591-0||Abstract:||We propose an auto-calibration method for photometric stereo. Our method exploits constraints placed on light sources to recover their positions and the surface normals of an object up to a scaling and planar rotation ambiguity. The ambiguity is resolved with multi-view consistency constraints leading to a Euclidean reconstruction of the geometric shape of the object. Auto-calibration methods are helpful to overcome the limitations imposed by calibrating objects. We evaluate our algorithm with experiments on real world scenes. © 2014 Springer-Verlag Berlin Heidelberg.||Source Title:||Machine Vision and Applications||URI:||http://scholarbank.nus.edu.sg/handle/10635/81995||ISSN:||14321769||DOI:||10.1007/s00138-013-0591-0|
|Appears in Collections:||Staff Publications|
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