BME Frontiers / 2020 / Article / Fig 4

Review Article

Terahertz Imaging and Spectroscopy in Cancer Diagnostics: A Technical Review

Figure 4

Diagram of the proposed analysis algorithm. (a) The original spectra of ten samples with seven components in different proportions. (b) The denoised spectra of samples processed by wavelet transform. (c) The denoised spectra without baseline after processing by polynomial fitting. (d) Actual and predicted concentrations of N-acetylaspartate. (e) Actual and predicted concentrations of noradrenaline (from Ref. [47]).