781987.fig.006a
(a)
781987.fig.006b
(b)
781987.fig.006c
(c)
781987.fig.006d
(d)
Figure 6: Illustration of the learnt bases (with 𝑟 = 8 0 ) of the USPS dataset obtained via (a) NMF, (b) LNMF, (c) NMFsc,and (d) DLPP.