[visionlist] [cvnet] Trying to demonstrate stereoscopic vision remotely

[Lester Loschky]

Hey Michael,

I guess that was "an accident waiting to happen"!  Below (and attached) is
the normal free fusing image pair (adapted from Alphons Schilling's "8
planes, 2 planes" (1973), but excluding the 8 planes section.

Best wishes,

Les

[image:
Random_dot_stereogram_[2_triangles_meet][for_printing_on_8,5x11_paper].png]

On Sun, Mar 22, 2020 at 12:20 PM Prof. Michael Bach <
michael.bach at uni-freiburg.de> wrote:

> Dear Lester & All:
>
> It might amuse you what I just experienced…
>
> > For the demo, I wanted to use a random dot stereogram, to camouflage the
> image.…
> Ah, I that what has he hidden there? And tried to free-fuse, both with
> parallel and crossed gaze. No dice! It gave headaches (within limits :) but
> no percept! Grrr…
>
> Then I actually read his email to the full (which, I suppose, one should
> always do :), and found
> > In order to make it work in a mirror, I had to mirror flip the right eye
> image.
>
> Ha! Yes, of course… My bad.
>
> Which gives me the possibility to add a tiny tidbit: I frequently read
> here “fusion by divergence” or words to that effect. Well, few, if anyone,
> can diverge their gaze. That’s why I used “parallel” above. By reducing
> picture size one can alway get the fusion pair into parallel or even
> slightly convergent. Probably known to you all…
>
>
> Best, Michael
> --
> Prof. Michael Bach   <https://michaelbach.de>
>
>

-- 
Lester Loschky
Professor
Associate Director, Cognitive and Neurobiological Approaches to Plasticity
Center
Department of Psychological Sciences
471 Bluemont Hall
1114 Mid-Campus Dr North
Kansas State University
Manhattan, KS  66506-5302
email: loschky at ksu.edu
research page: https://www.k-state.edu/psych/research/loschkylester.html
lab page: http://www.k-state.edu/psych/vcl/index.html
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