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

[+] Author Affiliations
Junyu Dong, Liyuan Su, Yu Zhang

Ocean University of China, Department of Computer Science and Technology, Qingdao, China

Florent Autrusseau

LUNAM Université, Université de Nantes, IRCCyN UMR CNRS 6597, Polytech Nantes, rue Christian Pauc BP 5060944306 Nantes, France

Zhanbin Yang

Ocean University of China, Department of Computer Science and Technology, Qingdao, China

J. Electron. Imaging. 21(1), 013023 (Apr 09, 2012). doi:10.1117/1.JEI.21.1.013023
History: Received November 17, 2010; Revised February 1, 2012; Accepted February 17, 2012
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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.

© 2012 SPIE and IS&T

Citation

Junyu Dong ; Liyuan Su ; Yu Zhang ; Florent Autrusseau and Zhanbin Yang
"Estimating illumination direction of three-dimensional surface texture based on active basis and Mojette transform", J. Electron. Imaging. 21(1), 013023 (Apr 09, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.1.013023


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