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Nonparametric estimation for a spectrally negative Lévy risk process based on low-frequency observation.
Chunhao Cai
Nan Chen
Honglong You
Published in:
J. Comput. Appl. Math. (2018)
Keyphrases
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low frequency
high frequency
nonparametric estimation
wavelet transform
image segmentation
image quality
subband
frequency band
original images