Quadtrees, Transforms and Image Coding. - Ralph R. Martin; Maurence M. Anguh (Comput. Graph. Forum, 1991)

A Truncation Method for Computing Walsh Transforms with Applications to Image Processing. - Maurence M. Anguh; Ralph R. Martin (CVGIP Graph. Model. Image Process., 1993)

A Truncation method for computing slant transforms with applications to image processing. - Maurence M. Anguh; Ralph R. Martin (IEEE Trans. Commun., 1995)

Quadtree and symmetry in FFT computation of digital images. - Maurence M. Anguh (IEEE Trans. Signal Process., 1997)