Towards a hardware realization of time-frequency source separation of speech. - Naomi Harte; Niall P. Hurley; Conor Fearon; Scott Rickard (ECCTD, 2005)

Maximizing Sparsity of Wavelet Representations via Parameterized Lifting. - Niall P. Hurley; Scott Rickard; Paul F. Curran; Konstantinos Drakakis (DSP, 2007)

Comparing measures of sparsity. - Niall P. Hurley; Scott T. Rickard (IEEE Trans. Inf. Theory, 2009)