To identify weak primaries in the presence of strong multiples is a challenge in conventional velocity spectra�� Selective-correlation��an approach that can enhance the resolving of velocity analysis��is introduced�� and extended to anisotropic media�� Noting that the peaks of primaries submerged along the flank of the coherence peak of a strong multiples can be clearly identified in conventional spectrum comparing the velocity spectra obtained by this two approaches on synthetic data ��we conclued that selective-correlation keeps a higher resolution than conventional velocity analysis does�� This process not only maintained the advantage of conventional velocity analysis�� but also improveed manipulation�� It matches the conventional velocity analysis on computational expense��

To identify weak primaries in the presence of strong multiples is a challenge in conventional velocity spectra�� Selective-correlation��an approach that can enhance the resolving of velocity analysis��is introduced�� and extended to anisotropic media�� Noting that the peaks of primaries submerged along the flank of the coherence peak of a strong multiples can be clearly identified in conventional spectrum comparing the velocity spectra obtained by this two approaches on synthetic data ��we conclued that selective-correlation keeps a higher resolution than conventional velocity analysis does�� This process not only maintained the advantage of conventional velocity analysis�� but also improveed manipulation�� It matches the conventional velocity analysis on computational expense��