On the reconstruction of block-sparse signals with an optimal number of measurements

Mihailo Stojnic Farzad Parvaresh Babak Hassibi On the reconstruction of block-sparse signals with an optimal number of measurements http://arxiv.org/abs/0804.0041 2008 CoRR abs/0804.0041 db/journals/corr/corr0804.html#abs-0804-0041 informal publication