Randomized SVD Methods in Hyperspectral Imaging

Figure 2

Comparison of the error 𝑒_𝑘 and the theoretical error 𝜎_𝑘+1. The red curve shows that the error 𝑒_𝑘 is greater than the theoretical error 𝜎_𝑘+1. Note that the singular values decay more rapidly as 𝑞 increases.

(a)

(b)