Localization of the complex spectrum: the S transform. - Robert Glenn Stockwell; Lalu Mansinha; R. P. Lowe (IEEE Trans. Signal Process., 1996)

A basis for efficient representation of the S-transform. - Robert Glenn Stockwell (Digit. Signal Process., 2007)

Image Texture Characterization Using the Discrete Orthonormal S-Transform. - Sylvia Drabycz; Robert Glenn Stockwell; Joseph Ross Mitchell (J. Digit. Imaging, 2009)