SPIRE algorithms. - Herbert E. M. Viggh (2001)

Spatial surface prior information reflectance estimation (SPIRE) algorithms. - Herbert E. M. Viggh; David H. Staelin (IEEE Trans. Geosci. Remote. Sens., 2003)

Surface Reflectance Estimation Using Prior Spatial and Spectral Information. - Herbert E. M. Viggh; David H. Staelin (IEEE Trans. Geosci. Remote. Sens., 2007)