New Approach for Snow Cover Detection through Spectral Pattern Recognition with MODIS Data

Figure 11

Performance of dynamic wavelength warping (DWW) for detection of snow cover under low (a) and high (b) VZA conditions: (left) reflectance profile observed by satellite and snow reflectance spectral library of the corresponding pixel; (right) Cumulative smallest cost matrix and warping path computed by DWW between the reflectance profile and snow reflectance spectral library.

(a)

(b)