T3D Re: acuity enhanced with binocular vision

[john bercovitz <bercov@xxxxxxxxxxx>]

>> So what's the mechanism of enhancement?  Was there any
>> speculation?  My guess would be that the two images are
>> being compared and anomalous disparities between eyes
>> are being removed in processing.

> John, I'm not quite sure what you mean by "anomolous disparities".  Since
> these are acuity tests, the displays would've all been flat.
> 
> The most obvious reason for improvement would be the simple increase in the
> number of samples (photons or neural impulses).  There's noise associated
> with both images (photon noise & neural noise); the photon noise is
> independent in the two eyes & the neural noise would be at least to some
> extent, ...

Thanks, Jim.  For "anomolous disparities" I was thinking of what
you call noise.  In other words, false signals, regardless of source.  
If a signal comes from one eye but not both eyes, I wonder if in 
processing, it is given less value.

John B


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End of TECH-3D Digest 273
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