Il ruolo del processo di normalizzazione verso il piano frontoparallelo nella percezione stereoscopica di superfici inclinate e di superfici a gradino
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It is well known that the visual system is more sensitive to surfaces which varies in a discontinuous manner, such as a step and is probably less sensitive to surfaces which varies in continuous manner, such as a ramp. This different sensitivity could be the reason for expecting normalization to happen with a ramp but not with a step. For this reason we carried out an experiment in order to determine if there was a depth normalization effect probably due to the texture of the stimulus used, in fact the random texture was sending a signal of verticality to the visual system. These results are consistent with the hypothesis that there is no normalization to the frontoparallel plane for a step surface.
