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Table 1 Comparison of statistical parameters about fusion results according to different fusion rules

From: Compressive sensing image fusion algorithm based on directionlets

  Entropy Cross entropy Standard deviation Average gradient
LP 12.551 0.708 14.112 28.410
DWT 12.689 0.917 14.978 28.341
CS 12.974 0.961 15.201 29.134
  1. LP, Laplacian pyramid; DWT, discrete wavelet transform; CS, compressed sensing.