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Opengazer, dasher and ticker: hands-free error tolerant communication - FOSDEM 2011
1. Opengazer, dasher and ticker:
hands-free error tolerant communication
Patrick Welche
University of Cambridge
5-6 February 2011 FOSDEM 2011, Brussels, Belgium
2. Dasher: Information efficient text entry
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 2
University of Cambridge
3. Dasher – Core
• Arithmetic coding + PPM – opposite of text
compression
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 3
University of Cambridge
4. Dasher – Input methods
• Click mode
• Normal mode
• Eye tracking mode – now combined
• Direct button modes
• Dynamic button modes
• http://www.inference.phy.cam.ac.uk/dasher/
• Patches to http://bugzilla.gnome.org/
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 4
University of Cambridge
6. Ticker – the alternative
A A B C D
E E F G H
I I J K L M N
O O P Q R S T
U U V W X Y Z
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 6
University of Cambridge
7. Ticker
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 7
University of Cambridge
8. Nomon – Select (x,y) with a single switch
http://www.inference.phy.cam.ac.uk/nomon
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 8
University of Cambridge
9. Thank you to
Members of the Inference Group:
www.inference.phy.cam.ac.uk
• OpenGazer, Ticker: Emli-Mari Nel
• Dasher: Alan Lawrence
• Nomon: Tamara Broderick
• ÆGIS project www.aegis-project.eu
• Gatsby Foundation
Inference Group FOSDEM 2011, 5-6 February 2011, Brussels, Belgium 9
University of Cambridge