Many image processing problems require the enhancement of coherent ow-like structures. This can be accomplished in a natural way by combining anisotropic diiusion ltering and texture analysis by means of the structure tensor (second-moment matrix). In this paper an extension of these ideas to vector-valued images is presented. A structure tensor for vector-valued images is constructed as the su...

Underground exploitation of georesources can be highly correlated with induced seismic activity. In order to reduce the risk and improve mining operations safety, activity is monitored by a dedicated network. Moment tensor inversion powerful method investigate rupture process earthquakes in mines, providing information on geometry earthquake source moment release. Different approaches have been...

S U M M A R Y We decompose a general seismic potency tensor into isotropic tensor, double-couple tensor and compensated linear vector dipole using the eigenvectors and eigenvalues of the full tensor. Two dimensionless parameters are used to quantify the size of the isotropic and compensated linear vector dipole components. The parameters have well-defined finite ranges and are suited for non-li...