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Novel method of locating ultrasonic wave heads based on spectrum-subtracted sub-band singular spectrum entropy.

Di FanYing WangQi MengXuan TiMaoyong Cao
Published in: J. Comput. Methods Sci. Eng. (2017)
Keyphrases
  • multiresolution
  • mutual information
  • subband
  • low frequency
  • locally adaptive
  • similarity measure
  • feature vectors
  • color images
  • edge detection
  • feature set
  • frequency domain
  • high frequency
  • wavelet decomposition