Fig. 1. (a) Sparse representation without error vector; (b) sparse representation with error vector

Fig. 2. Spectral profiles

Fig. 3. Schematic of similarity calculation

Fig. 4. Synthetic data set. (a) Original target for synthesis; (b) synthetic image; (c) target truth map

Fig. 5. (a) AUC value at different sparsity levels; (b) ROC curves at different λ

Fig. 6. Detection results using different methods. (a) SRTD; (b) SRBBH; (c) SCBD-AWLM; (d) proposed method

Fig. 7. ROC curves corresponding to different methods

Fig. 8. (a) AVIRIS dataset and (b) target truth map

Fig. 9. (a) AUC value at different sparsity levels; (b) ROC curves at different λ

Fig. 10. Detection results for AVIRIS dataset. (a) SRTD; (b) SRBBH; (c) SCBD-AWLM;(d) proposed method

Fig. 11. ROC curves for AVIRIS dataset using different methods