Poking around amazon seems to show that a vga to usb frame grabber can
be had for $270. Add a raspberry pi or similar object. The software is
the big thing though.
I once had a system to program my VCR similar to your concept. I had
the video out from the VCR fed into a video capture board in my PC. I'd
capture a frame, run tesseract on it, and redirect the text output to
the screen so speakup would read it. In other words, I could press a key
and it would re-read the entire VCR screen to me. I always wanted to
write something that read just the text that had changed or maybe even
recognized the cursor and intelligently read the adjacent text. But I
never wrote it.
It would be like writing a screen reader without having all the hints
from the structure of the document or the window you're working with.
I think it could be done though.
On 10/09/14 15:59, Glenn wrote:
I think that the optican was different in that it used a video camera.
My thought here is to capture the video signal as it would be going to a
monitor, and send it directly to be processed OCR,, and then it could either
go to a Braille display, or TTS.
Glenn
----- Original Message -----
From: "Janina Sajka" <janina@xxxxxxxxxxx>
To: "Glenn" <glennervin@xxxxxxxxx>; "Speakup is a screen review system for
Linux." <speakup@xxxxxxxxxxxxxxxxx>
Sent: Thursday, October 09, 2014 3:29 PM
Subject: Re: a little sysadmin story
Glenn, are you talking about the Opticon? Didn't someone start
remanufacturing that relatively recently?
Glenn writes:
What we need is a piece of hardware that does OCR directly from the video
port.
It seems like that would be a relatively easy device to produce, given
what
we have these days.
Glenn
----- Original Message -----
From: "Al Sten-Clanton" <albert.e.sten_clanton@xxxxxxxxxxx>
To: <tyler@xxxxxxxxxxxxx>; "Speakup is a screen review system for Linux."
<speakup@xxxxxxxxxxxxxxxxx>
Sent: Thursday, October 09, 2014 9:52 AM
Subject: Re: a little sysadmin story
First, I thank Janina for raising certain issues better than I could.
(I also thank others who've made valuable points from different angles.)
Second, where is the equivalent code for kicking in the monitor when we
boot up? Shouldn't the aim be to treat our access technology in the
same or an equivalent way, to the degree possible?
Al
On 10/09/2014 09:55 AM, Littlefield, Tyler wrote:
I also wanted to point out that most companies and organizations are a
bit weird about installing anything. The fact that Speakup is in the
kernel, but the entire idea of installing a special program which
they're not sure of, be it screen reader or magnification bothers most
people, so this isn't just an issue of Speakup possibly being better.
There are reasons and there obviously is a need for speakup to get
better, perhaps that means coming out of kernel space. But a sad story
from once upon a time with a moral unrelated is not quite the point.
On 10/9/2014 9:46 AM, Littlefield, Tyler wrote:
This whole story sounds like it needs another couple of bears to make
it all interesting. So speakup crashed the kernel. I've had issues,
but apart from known bugs I've never seen speakup panic the kernel all
the time. Speakup caused a system to crash? Perhaps. People should
also backup their work.
On 10/9/2014 9:34 AM, Deedra Waters wrote:
Janina,
speakup was the cause because when bossman came down to hook up a
monitor and look, the panick messages had something to do with
speakup.
As for backing up their work, they were trying to fix their fuck-up to
begin with. The initial problem wasn't with speakup. However when i
was
helping them debug it, speakup made the kernel panick and crash.
Debian i dont think likes people with root access on their box to
begin
with, but i think they kind of didn't like speakup in their kernel to
begin with.
I suspect on the other hand that if speakup was a user-space app, it
wouldn't have mattered to them so much. If a userspace program crashes
it doesn't take down the whole box. When speakup does though, it takes
down the whole box.
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