Research Article

Backtracking-Based Simultaneous Orthogonal Matching Pursuit for Sparse Unmixing of Hyperspectral Data

Table 1

Processing times(s) measured after applying the tested methods to the two considered simulated data sets with 30 dB white noise.

DatacubeSUnSALCLSUnSALSUnSAL-TVSOMPSMPRSFoBaBSOMP

Simulated Data 1 (11 endmembers)67.6778.41363.272.08321.2893.9386.418
Simulated Data 2254.71279.021271.129.61835.44428.277106.524