Estimate Signal to Noise Ratio

Source: R/vca_snr.R

Estimate the signal to noise ratio of a hyperspectral image.

vca_snr(data, p)

Arguments

data

The hyperspectral image whose signal to noise ratio needs to be estimated. Samples in rows, frequencies in columns.

p

The number of endmembers.

Value

The estimated signal to noise ratio in decibels.

References

Nascimento, J.M.P. and Bioucas Dias, J.M. "Vertex component analysis: a fast algorithm to unmix hyperspectral data," Geoscience and Remote Sensing, vol. 43, no. 4, pp. 898-910, April 2005, doi: 10.1109/TGRS.2005.844293