G PHYSICS
G01 MEASURING; TESTING
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
G01V1/00 Seismology; Seismic or acoustic prospecting or detecting
G01V1/28 Processing seismic data, e.g. for interpretation or for event detection
G01V1/306 for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles