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Learning a Compressed Sensing Measurement Matrix via Gradient Unrolling.
arXiv: Machine Learning, (2019)
Linear encoding of sparse vectors is widely popular, but is commonly data-independent -- missing any possible extra (but a-priori unknown) structure beyond sparsity. In this paper we present a new method to learn linear encoders that adapt to data, while still performing well with the widely used $ell_1$ decoder. The convex $ell_1$ decode...More
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