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Table 6

Comparison of the correlation coefficients of different sub-bands of the power spectrums between of original high-resolution data and the super-resolution ones of different methods.

Correlation Low frequency band Medium frequency band High frequency band
LLE 0.9995 0.9541 0.9343
Interpolation 0.9994 0.9909 0.9288
Sparse representation 0.9344 0.7139 0.7149
SRCNN 0.6969 0.2886 0.2315

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