Log-cumulants of the finite mixture model and their application to statistical analysis of fully polarimetric UAVSAR data

Figures & data

Table 1. Key system parameters of the UAVSAR instrument.

Parameter	Value
Frequency	1.26 GHz
Chirp Bandwidth	80 MHz
Range Resolution	1.67 m
Azimuth Resolution	0.8 m
Swath Width	16 km
Incidence Angle	–65

Table 2. Texture distributions and log-cumulants.

Texture distribution	Log-cumulants
Gamma
Inverse Gamma
Fisher
Beta
Beta Prime

Figure 1. Matrix variate log-cumulants of mixtures. (a) Mixture of two components. (b) Mixture of three components.

Figure 2. Pauli decomposition and ROIs of the first test site.

Figure 3. Log-cumulants estimated from different ROIs in the first test site. (a) One perspective of the 3D diagram. (b) Another perspective of the 3D diagram.

Figure 4. Histograms of the intensities from the first test site. (a) ROI 1. (b) ROI 2. (c) ROI 3. (d) ROI 4.

Figure 5. Pauli decomposition and ROIs covering different land types of the second test site.

Figure 6. Log-cumulants estimated from different ROIs in the second test site. (a) Different perspective view of the 3D diagram. (b) Different perspective view of the 3D diagram. (c) Different perspective view of the 3D diagram.

Figure 7. Histograms of the intensities from the second test site. (a) ROI 1. (b) ROI 2. (c) ROI 3. (d) ROI 4.