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Abstract #3937

Joint Non-Rigid Motion Estimation and Image Reconstruction via Sparse Blind Deconvolution

Frank Ong1 and Michael Lustig1

1Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA, United States

We propose a non-parametric method of jointly estimating non-rigid motion and the underlying image without the assumption of motion smoothness. We model non-rigid motion as local linear translation, which is equivalent to convolution with 1-sparse kernels. We then pose the non-rigid motion recovery problem as a sparse blind deconvolution problem. Our reconstruction results demonstrate that non-rigid motion can be well approximated as local translation motion using the proposed method. The proposed formulation can also be viewed as a generalization of locally low rank reconstruction.

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