BM3D is an effective denoising algorithm which can produce the high signal-to-noise section. But when applied to the complex structure seismic data, it may do some harm to the details of structure. For this problem, we use the local similarity method to recover the leaking signal energy from the noisy section and add it to the denoising result. The synthetic model and real data example show that this combined method can improve the quality of denoising section and keep the fidelity of structure effectively.


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