Spectral rotations and multi-channel indices

FACTOR

Create linear combinations of spectral channels (B)

FRACTVEG

Compute fractional vegetation index from NDVI image (P)

KARLOV

Perform Karhunen-Loeve principal components transform (B)

MATRIX

Multiply n-band input by m x n matrix to get m-band output (B)

NORMD

Compute normalized difference for one or more band pairs (B)

TASSELCP

Use tasselcap transform to get brightness, greenness, and wetness bands (B)