Daiyun Luo

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Automatic extraction of fiducial facial points is one of the key steps to face tracking, recognition, and animation.Great facial variations, especially pose or viewpoint changes,typically degrade the performance of classical methods. Recent learning or regression-based approaches highly rely on the availability of a training set that covers facial(More)
Geometric invariants are important for shape recognition and matching. Existing invariants in projective geometry are typically defined on the limited number (e.g., five for the classical cross-ratio) of collinear planar points and also lack the ability to characterize the curve or surface underlying the given points. In this paper, we present a projective(More)
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