1. Affine smoothing of the Wigner-Ville distribution;Flandrin,1990
2. Window length selection for smoothing the Wigner distribution;Kadambe,1989
3. Pattern recognition with moment invariants: A comparative study and new results;Belkasin;Pattern recognition,1991
4. Object and texture classification using higher order statistics;Tsatianis;IEEE Trans. PAMI,1992
5. Tutorial on higher-order statistics in signal processing and system theory;Mendel,1991