A formula for least-squares projection and its application in image reconstruction. - John P. Oakley; Michael J. Cunningham (ICASSP, 1989)

A Function Space Model for Digital Image Sampling and Its Application in Image Reconstruction. - John P. Oakley; Michael J. Cunningham (Comput. Vis. Graph. Image Process., 1990)

A Fourier-domain formula for the least-squares projection of a function onto a repetitive basis in N-dimensional space. - John P. Oakley; Michael J. Cunningham; G. Little (IEEE Trans. Acoust. Speech Signal Process., 1990)