Ganapathy, Tejaswini
Sparse Coding and Autoencoders
Rangamani, Akshay, Mukherjee, Anirbit, Basu, Amitabh, Ganapathy, Tejaswini, Arora, Ashish, Chin, Sang, Tran, Trac D.
In "Dictionary Learning" one tries to recover incoherent matrices $A^* \in \mathbb{R}^{n \times h}$ (typically overcomplete and whose columns are assumed to be normalized) and sparse vectors $x^* \in \mathbb{R}^h$ with a small support of size $h^p$ for some $0