Constraints imposed by Mach bands on shape from shading. - Ian J. Hodgkinson; Robert P. O'Shea (Comput. Graph., 1994)

Sharpness Overconstancy: the Roles of Visibility and Current Context. - Sue J. Galvin; Abigail M. Squire; Diane S. Hailstone; Robert P. O'Shea (ICONIP (1), 1997)

Effects of Orientation and Spatial Frequency on Monocular and Binocular Rivalry. - Robert P. O'Shea (ICONIP (1), 1997)