[games_access] Dwell Clicking and Eye Trackers

Sandra Uhling sandra_uhling at web.de
Sun Oct 10 07:43:12 EDT 2010


Hi,

For gesture tracking and "dwell click" menu:
Maybe a mouse could be useful as alternative input?

Using hands: you have to stay still for a certain time, that can be
difficult
Mouse: you can move to the point and then leave the controller

Maybe someone can play the game, but cannot control the menu.
There should be alternative ways to control the menu!
(Like we always say :-))

Best regards,
Sandra



-----Ursprüngliche Nachricht-----
Von: games_access-bounces at igda.org [mailto:games_access-bounces at igda.org] Im
Auftrag von Barrie Ellis
Gesendet: Sonntag, 10. Oktober 2010 11:59
An: IGDA Games Accessibility SIG Mailing List
Betreff: [games_access] Dwell Clicking and Eye Trackers

Yep, high-quality eye trackers are very expensive. The best ones can cope
with head movements whilst keeping track of what your eyes are doing. Got
some info here:

http://switchgaming.blogspot.com/search/label/eye%20trackers

COGAIN are real experts in it, as is Mick Donegan of
www.specialeffect.org.uk - (take a look at the www.gamebase.info video
section for some examples of Eye Gaze in action).

There are ways to use head-mounted web-cams for eye tracking, but I'm not
sure about their accuracy.

Dwell-clicking is a typical system used for those using things like a
SMART-Nav tracker or Eye Trackers who can't easily trigger a click
otherwise, or simply those with RSI who might be okay to move a mouse, but
find it painful to click.

Got some info here on them with useful links:
http://www.oneswitch.org.uk/1/AGS/AGS-software.htm

Having to use a dwell-clicker does lead to problems with games requiring
lots of clicks, or accurately timed clicks, at the moment.

Barrie


--------------------------------------------------
From: "Michelle Hinn" <hinn at uiuc.edu>
Sent: Sunday, October 10, 2010 3:24 AM
To: "IGDA Games Accessibility SIG Mailing List" <games_access at igda.org>
Subject: Re: [games_access] Rehacare


> Cool, Sandra!

>

> Yeah, eye tracking devices are pretty expensive and most of those that use



> it are at labs. I'll look for some links I had found a few months ago when



> I was researching it for a project.

>

> And, yes, "dwell click" is what most people refer to what you describe. It



> has good and bad points -- I'm in a bit of a rush at the moment but if

> others haven't chimed in when I return, I'll post more about the pros and

> cons.

>

> Michelle

>

> On Oct 9, 2010, at 3:49 PM, Sandra Uhling wrote:

>

>> Hi,

>>

>> my first Rehacare. It was very interesting. The main topic is the UN

>> Convention of course.

>> But it does not look very good. They have arguements about some terms and

>> the cities do not work together, of course.... :-(

>> (Maybe they should ask the UN, when they do not understand it?)

>>

>> So time for the good points:

>> Very intersting learning games:

>> http://lifetool.at/

>>

>> They have "standard" accessibility and something I did not new before:

>> "Dwelling": the pointer is moved to the button/place and not moved.

>> After a certain time, this is recognised as "click". = similar to some

>> gesture recognition systems

>> Does Ubisoft also call it "Dwelling" ?

>>

>>

>>

>> Nintendo is interested in games for health, they are open also for input.

>> Well this is my new opinion I got. Maybe I can meet some at the event in

>> Paris,

>> we will see ...

>>

>> They work together with health care companies. And it is possible to give



>> feedback.

>> So hopefully they will look at the information about silver gamer.

>>

>>

>>

>> Seetech is a Eye Control system, but it is very expensive. (13.000 Euro)

>> Are eye control systems expensive? They said it is important that the eye



>> control

>> software runs also in the front. So it works very often not with flash

>> games.

>> The user has to change the action of left and right click via menu. This

>> needs lots of time.

>>

>>

>> One links for Barrie:

>> www.computer-fuer-Behinderte.de They sell standard accessibility

>> hardware and do develop special customer hardware

>>

>> Best regards,

>> Sandra

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