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Analysis Based Blind Compressive Sensing
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DOI：10.1109/LSP.2013.2252900.png)
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Abstract
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In this letter, we address the problem of blindly reconstructing compressively sensed signals by exploiting the co-sparse analysis model. In the analysis model it is assumed that a signal multiplied by an analysis operator results in a sparse vector. We propose an algorithm that learns the operator adaptively during the reconstruction process. The arising optimization problem is tackled via a geometric conjugate gradient approach. Different types of sampling noise are handled by simply exchanging the data fidelity term. Numerical experiments are performed for measurements corrupted with Gaussian as well as impulsive noise to show the effectiveness of our method.
Keywords:
Analysis operator learning
blind compressive sensing
optimization on matrix manifolds
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9.6
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1.1W
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1.7W
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