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Novel method of locating ultrasonic wave heads based on spectrum-subtracted sub-band singular spectrum entropy.
Di Fan
Ying Wang
Qi Meng
Xuan Ti
Maoyong Cao
Published in:
J. Comput. Methods Sci. Eng. (2017)
Keyphrases
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multiresolution
mutual information
subband
low frequency
locally adaptive
similarity measure
feature vectors
color images
edge detection
feature set
frequency domain
high frequency
wavelet decomposition