Motion Sharpening and Motion Blur
The project combines psychophysical and computational techniques in order to develop a biologically plausible model of edge transduction from the retina to V1 in the human visual system.

Hammett S.T. & Bex, P.J. (1996) Motion sharpening: Evidence for the addition of high spatial frequencies to the effective neural image Vision Research, 36,2729-2733.

Hammett, S.T.  (1997) Motion blur and motion sharpening in the human visual system Vision Research, 37, 2505-2511.

Hammett S.T, Georgeson, M.A. & Gorea, A. (1998) Motion blur and motion sharpening: temporal smear and local contrast  non-linearity, Vision Research,  38, 2099-2108.

Georgeson, M.A. & Hammett, S.T. (2002) Seeing blur: “Motion sharpening” without motion.  Proceedings of the Royal Society B, 269, 1429-1434.

Hammett, S.T., Georgeson, M.A. , Bedingham, S.  & Barbieri-Hesse (2003) Motion sharpening and contrast: Gain control precedes compressive non-linearity. Vision Research, 43 (10): 1187-1199.

Hammett, S. T., Georgeson, M.A. & Barbieri-Hesse, G.S. (2003) Motion, flash and flicker: A unified spatiotemporal model of perceived edge sharpening. Perception,  32 (10): 1221-1232 2003.
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