On The Use of Discrete Cosine Transform Polarity Spectrum in Speech Enhancement. - Sisi Shi; Andrew Busch; Kuldip K. Paliwal; Thomas Fickenscher (EUSIPCO, 2020)

Log-Spectral Amplitude and Spectral Polarity Estimation in Short-Time Discrete Cosine Transform Domain. - Sisi Shi; Kuldip K. Paliwal; Andrew Busch (IEEE Access, 2023)