Reference:
1. Coefficient matrix derived from:
Muhammad Hasan Ali Baig, Lifu Zhang, Tong Shuai & Qingxi Tong (2014)
Derivation of a tasselled cap transformation based on Landsat 8 at-satellite reflectance,
Remote Sensing Letters, 5:5, 423-431, DOI: 10.1080/2150704X.2014.915434