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Ground-roll attenuation is an important and difficult problem in seismic data processing. The traditional methods can do these only using the ground-roll single characteristic during processing. In this paper, a method based on ridgelet transform is proposed. Firstly, the method transforms 2-D seismic data into (a, τ, p) domain, and then uses higher velocity and larger scale of ground-roll contrast to reflection wave to identify and separate them. During processing, in order to decrease the effect of alias and boundary effect, the root mean square velocity filter is used. Finally, the processing results of synthetic and real data show that the ridgelet transform method is feasible and effective in attenuating ground-roll, and it can obtain better results than f -k filter and τ -p transform method.

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