Introduction - If you have any usage issues, please Google them yourself
Sparse representation recognition algorithms. Sparse representation is one of the last few years the hot field of signal processing, in simple terms, it is actually a process of decomposition of the original signal, the decomposition process by means of a prior dictionary (which was also called the over-complete base, overcomplete basis , will be introduced to later), the input signal is expressed as a linear approximation process of the dictionary.