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American Journal of Applied Sciences

ISSN 1546-9239 (print)eISSN 1554-3641 (online) Open access
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Research Article · Open access · Published 20 August 2011

Quaternion Photometric Stereo for Rotation Invariant Surface Texture Classification

Balakrishnan Sathyabama, Srinivan Raju, Abhaikumar Varadhan
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