Higher order nonlinear ultrasonic imaging

@article{Haider1999HigherON,
  title={Higher order nonlinear ultrasonic imaging},
  author={Bruno Hans Haider and Richard Y. Chiao},
  journal={1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027)},
  year={1999},
  volume={2},
  pages={1527-1531 vol.2}
}
Nonlinear imaging as conventionally applied in medical ultrasound separates the second harmonic response from the fundamental. Second harmonic images have better clutter rejection and transmit focusing but worse SNR compared with the fundamental. The authors propose using higher harmonic components to gain more tissue information and to improve SNR. The underlying idea is to model the nonlinear echo signal as a polynomial expansion of some basis waveform. When this model is excited by a number… CONTINUE READING

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