Improving the Sound Source Identification Performance of Sparsity Constrained Deconvolution Beamforming Utilizing SFISTA

Figure 3

Contour maps of SPLs at 1 m distance from the source using different algorithms at a 10 dB SNR. (a) CB at 2000 Hz; (b) SC-DAMAS at 2000 Hz; (c) FISTA at 2000 Hz; (d) SFISTA at 2000 Hz; (e) CB at 6000 Hz; (f) SC-DAMAS at 6000 Hz; (g) FISTA at 6000 Hz; (h) SFISTA at 6000 Hz.

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