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12

ICMCS
2005
IEEE

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Modeling Dynamic Textures Using Subspace Mixtures

13 years 10 months ago

Modeling Dynamic Textures Using Subspace Mixtures

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In this paper, we aim at modeling video sequences that exhibit temporal appearance variation. The dynamic texture model proposed in [6] is eﬀective to model simple dynamic scenes. However, because of its oversimpliﬁed appearance model and under-constrained dynamics model, the visual quality of its synthesized video sequences is often not satisfactory. This leads to our new model. We parameterize the nonlinear image manifold using mixtures of probabilistic principal component analyzers. We then align coeﬃcients from diﬀerent mixture components in a global coordinate system, and model the image dynamics in the global coordinate using an autoregressive process. The experimental results show that our method is capable of capturing complex temporal appearance variation and oﬀers improved synthesis results over previous works.

Che-Bin Liu, Ruei-Sung Lin, Narendra Ahuja

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Added	24 Jun 2010
Updated	24 Jun 2010
Type	Conference
Year	2005
Where	ICMCS
Authors	Che-Bin Liu, Ruei-Sung Lin, Narendra Ahuja

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