The Radon transform is a powerful method that has been used to filter coherent noise from seismic records and to reconstruct seismic data. In addition, it has a long history in image processing as a tool for feature extraction. An important shortcoming in exploration seismology, however, is the requirement of simple integration paths that often do not match well enough the spatio-temporal structure of seismic waveforms. The latter can be avoided by adopting local Radon transforms.
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