Informal PUIs: No Recognition Required, at AAAI 2002 workshop
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This document discusses informal perceptual user interfaces (PUIs) that do not require recognition. It suggests that immediate recognition can interfere with creativity and communication. PUIs leverage innate abilities like speech, sketching, and handwriting for mobile and home use. Informal interfaces encourage creativity by communicating unfinished work and allowing faster creation. The document advocates for minimizing or deferring recognition in creative or communication-oriented tasks and applying informal interfaces to sketching, speech, and handwriting inputs.
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Informal PUIs: No Recognition Required, at AAAI 2002 workshop
- 1. Informal PUIs: No Recognition Required James Landay Jason Hong Scott Klemmer James Lin Mark Newman
- 2. Mar 25 2001 2 WIMPy User Interfaces • Windows, Icons, Menus, Pointer Hitting limitations of this kind of interface • WIMP designed for limited audience Full use of eyes Literate Full use of hands • WIMP designed for limited situations Fixed location (often offices) Sitting down Single person
- 3. Mar 25 2001 3 Perceptual User Interfaces • PUIs leverage our innate perceptual, motor, and cognitive abilities Speech recognition, computer vision, sketching, handwriting • Sketching is one part of this bigger push • PUIs more useful for different audiences and wider range of situations Mobile workers or Home Speech => Handsfree Location Tracking => Physical motion
- 4. Mar 25 2001 4 PUIs and Recognition • Key question: When should perceptual input be recognized? • Immediate recognition can interfere with creativity and communications
- 5. Mar 25 2001 5 Communication and Creativity • Informal visual representation communicates “unfinished” encourages creativity faster to create higher level comments • Formal visual representation communicates “finished” inhibits creativity (detailed) slower to create lowerlevel comments
- 6. Mar 25 2001 6 Informal User Interfaces • Historic bias towards formal user interfaces Computation over creativity and communication Structured input to simplify computation • Position: Recognition interferes with creativity and communication due to errors and perception Recognition should be minimized or deferred for these kinds of apps
- 7. Mar 25 2001 7 Informal User Interfaces • Sketching • Speech • Handwriting
- 8. Mar 25 2001 8 Informal User Interfaces • Sketching • Speech • Handwriting
- 9. Mar 25 2001 9 Slide Landay (1996)
- 10. Mar 25 2001 10 Slide Gross and Do (UIST96)
- 11. Mar 25 2001 11 Slide Lin, Newman, Hong, Landay (CHI2000)
- 12. Mar 25 2001 12 DENIM Video
- 13. Mar 25 2001 13 Informal User Interfaces • Sketching • Speech • Handwriting
- 14. Mar 25 2001 14 Slide Stifelman, Arons, Schmandt (CHI2001)
- 15. Mar 25 2001 15 SUEDE: Informal Prototyping for Speech-based UIs • Supports design practice - example scripts - Wizard of Oz - error simulation - iterative design • Informal user interface - no speech recognition or synthesis - need not be programming expert - fast & fluid design Read my important email
- 16. Mar 25 2001 16 Slide Klemmer et al (UIST2000)
- 17. Mar 25 2001 17 SUEDE Video
- 18. Mar 25 2001 18 Informal User Interfaces • Sketching • Speech • Handwriting
- 19. Mar 25 2001 19 NotePals: Informal Handwriting Capture Davis et al (CHI99)
- 20. Mar 25 2001 20 NotePals: Informal Handwriting Capture
- 21. Mar 25 2001 21 Takeaway Ideas • Perceptual user interfaces useful for more audiences and more places • Informal User Interfaces valuable for PUIs Minimize or defer recognition Creative or communicationsoriented tasks • Informal User Interfaces can be applied to a range of perceptual input Sketching Speech Handwriting
- 22. Informal PUIs: No Recognition Required James Landay Jason Hong Scott Klemmer James Lin Mark Newman
- 23. Mar 25 2001 23 Backup Slides
- 24. Mar 25 2001 24 Backup Slides Igarashi, Edwards, LaMarca, and Mynatt (AVI2000)
Editor's Notes
- WIMP - Windows Icon Menu Pointer 1997 report from National Research Council, 5% of individuals over age 15 in the US have vision problems 1992 report from US Department of Education, 21% of Americans over age 16 have limited literacy skills Neglected audiences include: Mobile workers, homes, groups of people
- Saw a video game in Hong Kong where you had boxing gloves, and had sensors on top of the video game, letting you physically dodge
- Palm Pilot example Position is that Informal User Interfaces seem better for documenting than for transforming Suggests a malleability of form (useful for creativity) Recognition errors interfere Position is that Informal User Interfaces also better for communicating Unrecognized input keeps the nuances of expression Recognition errors interfere Take you through some apps
- Precision makes it easy for the computer to represent the objects in the system. Precision is also important for mechanical drawings But this is very different from how we do things without computers Sketching is very valuable for creative design tasks Explore more ideas Don't have to worry about details such as color, font, and alignment (until necessary) SILK, PhD dissertation by Landay, is an example of a tool that supports sketching for GUI design Does immediate recognition of objects but keeps strokes the same Still has some problems due to immediate recognition and feedback
- Freehand drawing for conceptual design Also does immediate recognition of objects (tree, house)
- Little built-in recognition Groups things that might be words together Arrows Otherwise no recognition
- Show part of DENIM video here
- Speech Most speech recognition systems try to recognize human speech and translate it immediately into a form that machines can deal with Often causes people to enter a dialog with the system to correct mistakes as they occur Immediate recognition is useful in many cases, but gets in the way in writing, designing, and brainstorming Informal Speech Audio Notebook Freeform ink and speech, notes and speech are un-interpreted Synchronizes the notes and speech, letting you explore either and link to the other