[games_access] Dwell Clicking and Eye Trackers

[Barrie Ellis]

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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