Re: Camera That Talks
- From: "Ham Steve" <k8sp@xxxxxxxxxxxxx>
- To: <optacon-l@xxxxxxxxxxxxx>
- Date: Thu, 6 Jul 2006 19:35:27 -0400
Charles,
I think this isn't a real workable idea. If one had a camera such as the
NFB Reader, which operates by taking a picture of a page from about sixteen
inches away, depending on material, there wouldn't be the immediate feedback
which we have in an optacon. This was the main drawback to Oleg's P2RD
machine, IMO. YOu could not easily scan an image and look for certain areas
without zooming in and retaking the picture, if it were possible to do.
A second delay in the KNFB implementation is that there is about an eight
second delay from when you snap the pictyure until it goes through its
auto-focusing routine and actually snaps the picture.
Yes, it will read some rounded containers; probably a 90 degree swath, not
really sure on how wide of a band it will read, but it can't be much wider
than that.
Steve
Lansing, MI
----- Original Message -----
From: "Charles Pond" <dg140@xxxxxxxxxxxxxxxxxxx>
To: <optacon-l@xxxxxxxxxxxxx>
Sent: Thursday, July 06, 2006 4:48 PM
Subject: Re: Camera That Talks
> rather than simply rebuilding the optacon using the original circuit
> designs with today's technology, it might be sensible to build a
> USB-compatible tactile array in a box with the needed controls, and plug
> it into something like this "camera that talks". I other words, alter and
> refine oleg's readiog machine-based approach. Does it make sense to
> re-develop a stand-alone optacon? From what I am piecing together over
> time of how the optacon R1D and II work (here a little, there a little),
> and with today's technology, it would seem feasible to build an optacon
> about the size of a cassette tape case or thereabouts. (maybe not
> including battery?)
>
> Charles
>
>
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