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factors that modulate the perceived lightness and opacity of trans-parent surfaces. However, we believe that the core insights that
 

Summary: factors that modulate the perceived lightness and opacity of trans-
parent surfaces. However, we believe that the core insights that
shaped our model will be incorporated into future successful
models of the perception of transparency. There appear to be two
primary dimensions that capture the psychological experience of
transparent surfaces: opacity and lightness (or, more generally,
color). Physical models such as Metelli's (1974a, 1974b, 1985) also
appear to embody the same two dimensions, which is probably why
the model garnered so much attention as a candidate model of per-
ception. The problem is that the physical decomposition embodied in
Metelli's (1974a, 1974b, 1985) model does not accord with the
perceptual experience of these dimensions--which is why we devel-
oped a new model to replace it.
Albert (2008) claims he has shown our model to be incorrect
without providing any understanding of the data for which the
model has provided excellent accounts. We believe that the logic
that has led him to this conclusion is flawed. Our model was
motivated by the observed dependence of transmittance and light-
ness matches on mean luminance within the filter region. Even if
we were to ignore the methodological problems discussed above,

  

Source: Anderson, Barton L. - School of Psychology, University of Sydney

 

Collections: Biology and Medicine