Qifan Wang



  • 2014-04-24
    In this paper, electrical impedance spectroscopy (EIS) analysis was employed to evaluate the dielectric property of breast tissues. The complex impedance was recorded by a bio-impedance meter in the frequency range of 3 kHz to 1000 kHz. Non-linear Least squares regression was implemented to fit the measured data into Cole-Cole model. It was observed that significant differences existed between breast cancer and benign tissues.

  • 2014-04-25
    An ℓ1 norm reconstruction algorithm which has the merits of reducing the sensitivity to data outliers and avoiding edge blurring is applied in this paper to solve a 3- D EIT problem. The iterative imaging method allows flexible choice of norms by simply choosing different norm value. A cluster analysis is implemented for labelling targets using the morphology technique.