Näsänen, R. and Metso, A. and Lehtimäki, T.M. and Naughton, T.J.
Perceptual quality of reconstructions of digital holograms:
extending depth of focus by binocular fusion.
In: European Conference on Visual Perception, August 24th - 28th 2009, Regensburg, Germany .
Reconstructions of digital holograms
have a very shallow depth of focus. In order
to obtain a perceptually greater depth of focus,
we explored a computationally simple approach,
suggested by Lehtimäki and Naughton
[3DTV Conference 2007; IEEE Press, New York
(Kos, Greece)], where the perceptual depth of focus
is obtained by dichoptic viewing of near focused
and far focused holographic reconstructions.
In the dichoptic viewing arrangement one
eye sees a near focused and the other a far focused
image. Because of binocular fusion we see a
blend of the two images, in which the perceptual
sharpness is far more uniform than in each of the
images alone. In this experiment, we sought an answer
to the question of to what extent does each dichoptically
presented image contribute to the perceived
sharpness of the binocularly fused image
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