The Use of Mutual Coherence to Prove $\ell^1/\ell^0$-Equivalence in Classification Problems

no code implementations • 9 Jan 2019 • Chelsea Weaver, Naoki Saito

We consider the decomposition of a signal over an overcomplete set of vectors.

General Classification Sparse Representation-based Classification

Improving Sparse Representation-Based Classification Using Local Principal Component Analysis

no code implementations • 4 Jul 2016 • Chelsea Weaver, Naoki Saito

The dictionary in SRC is replaced by a local dictionary that adapts to the test sample and includes training samples and their corresponding tangent basis vectors.

Classification Dimensionality Reduction +2