Estimating illumination direction of three-dimensional surface texture based on active basis and Mojette transform

Junyu Dong; Liyuan Su; Yu Zhang; Zhanbin Yang; Florent Autrusseau

doi:10.1117/1.JEI.21.1.013023

9 April 2012 Estimating illumination direction of three-dimensional surface texture based on active basis and Mojette transform

Junyu Dong, Liyuan Su, Yu Zhang, Zhanbin Yang, Florent Autrusseau

Author Affiliations +

Journal of Electronic Imaging, Vol. 21, Issue 1, 013023 (April 2012). https://doi.org/10.1117/1.JEI.21.1.013023

Abstract

Given an image of a rough surface texture, the approach described here can estimate the direction from which the surface was lit. Unlike previous work, we require neither surface isotropy nor that the texture is included in the training set. The approach is based on active basis and the Mojette transform. The Mojette transform is used to estimate the orientation of the texture; it does so by finding which training samples have similar orientation features. The active basis model is then learned from training images by the shared pursuit algorithm. Next, the base histograms of the test image and textures with similar orientation features in the training set are compared so that the illumination directions can be estimated by minimizing their correlation coefficients.

Citation Download Citation

Junyu Dong, Liyuan Su, Yu Zhang, Zhanbin Yang, and Florent Autrusseau "Estimating illumination direction of three-dimensional surface texture based on active basis and Mojette transform," Journal of Electronic Imaging 21(1), 013023 (9 April 2012). https://doi.org/10.1117/1.JEI.21.1.013023

Published: 9 April 2012

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