Regularity Analysis of Airborne Natural Gamma Ray Data Measured in the Hoggar Area (Algeria) - Advances in Data, Methods, Models and Their Applications in Geoscience - page 101

Fig. 5. Interpolated Gamma Ray measurements (in cps) related to the Th channel.
Fig. 6. Interpolated Gamma Ray measurements (in cps) related to the U channel.
6.2 Establishment of local regularity maps from interpolated spectrometric data
Using a wavelet-based algorithm, we estimate Hölder exponent maps, from the interpolated
GR measurements recorded in the three channels (K, Th and U).