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08 10 Interaccao
- 1. Acessibilidade Móvel Soluções para Deficientes Visuais Hugo Nicolau [email_address]
- 3. ‘‘ ’’ Never doubt that a small group of committed people can change the world. Indeed it is the only thing that ever has . — Margaret Mead
- 4. We have the whole world in our hands.
- 5. SMS have had an enormous growth in the last few years.
- 6. Mobile devices can do anything.
- 7. A common image for me.
- 8. What about the Others ?
- 9. Some can only see this.
- 11. They are too heavy .
- 12. They are too big .
- 13. They are too expensive ...
- 14. And definitely not mobile .
- 16. Can speech synthesis replace visual feedback ?
- 20. Despair and drop out.
- 22. User Observation
- 23. Survey users’ habits and capacities User characterization Mobile Device usage User Observation
- 24. All dial numbers All have a cell phone 2 users stated difficulties with keypad Not a priority
- 25. 50% of the users can send messages … but 80% have a Screen Reader Difficulties with menu navigation and.. ...voice feedback
- 26. Half the users use the contact list Memorize the contact position
- 27. T h e Goal Mobile Device Control for Blind Individuals
- 29. G1 communicate through available channels
- 30. G2 low cognitive load
- 31. G3 focus on acquired capabilities
- 32. G4 minimize stress scenarios
- 33. G5 adapt the interaction processes to the user
- 34. G6 allow and stimulate performance improvement
- 35. G7 available, adaptable and affordable
- 36. Calls Info Dial Accept Reject
- 37. SMS Write Read Send Receive
- 40. Keep it Simple.
- 42. B C D F G H J K L M N P Q R S T V W X Y Z A E I O U
- 43. A B C D E F G H I J L M N O P Q R S T U V X Z
- 44. A B C D E F G H I J L M N O P Q R S T U V X Z
- 45. A B C D E F G H I J L M N O P Q R S T U V X Z A BCD E FGH I JLMN O PQRST U VXZ
- 46. We can navigate in any direction.
- 48. A B C D E F G H I J L M N O P Q R S T U V X Z
- 50. A B C D E F G H I J L M N O P Q R S T U V X Z
- 52. A B C D E F G H I J L M N O P Q R S T U V X Z
- 53. No wrong choices. Just shorter paths.
- 56. (Almost) all mobile devices.
- 57. NavTouch
- 59. BrailleTap A Q B R
- 62. Invert Space Delete Back Menu Go
- 63. Al a g e h i Automatic Word Finishing Letter Prediction System Context Dictionaires
- 64. Vídeo
- 67. User Evaluation NavTap Method Raquel and Martin Sain Foundation Excellent learning curve compared with MultiTap Easy to learn
- 68. User Evaluation NavTouch Method Raquel and Martin Sain Foundation Easy and Fun Shorter paths than NavTap
- 69. User Evaluation Braille Matrix Method Raquel and Martin Sain Foundation Better than Vowel Navigation for braille experts (> 3 WPM) Requires Braille knowledge
- 70. Session Rate Error Rate
- 71. Minimum String Distance Error Rate Session Rate
- 72. Keystrokes per Character Session KSPC
- 73. Words Per Minute Session WPM
- 74. Remarks All the users were satisfied Improved performance All succeeded Before BloNo: 50% weren’t able to write text Wrote text Managed Contacts Navigated menus
- 75. The Future Gestural Shortcuts Long Term Studies Usability Issues
- 76. Kevin Clarkson Martin Rotovnik
- 77. Acessibilidade Móvel Soluções para Deficientes Visuais Hugo Nicolau [email_address]