Computer Science ›› 2013, Vol. 40 ›› Issue (Z11): 409-411.

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Research on the Seismic Instantaneous Attributes of Empirical Mode Decomposition Parallel Extraction Algorithm Based on GPU

CAO Xiao-chu,JIN Di,WANG Zong-ren and WANG Qi-di   

  • Online:2018-11-16 Published:2018-11-16

Abstract: It is significant that instantaneous attributes have been extracted from seismic data.Empirical mode decomposition based on the local characteristics provides a new analysis method suitable for nonlinear and non-stationary signals.EMD parallel algorithm has been analyzed and researched on GPU.Computation efficiency in GPU has substaintial advantage of that in CPU by comparative experiment,and speedup of GPU is up to 8.66compared to CPU among the test data in this article.

Key words: Empirical mode decomposition,Instantaneous attribute,Intrinsic mode function,Parallel process,GPU

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