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Magic Cards: A Paper Tag Interface for Implicit Robot Control Shengdong ZhaoTakeo IgarashiKoichi NakamuraKentaro Ishii JST ERATO.

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Presentation on theme: "Magic Cards: A Paper Tag Interface for Implicit Robot Control Shengdong ZhaoTakeo IgarashiKoichi NakamuraKentaro Ishii JST ERATO."— Presentation transcript:

1 Magic Cards: A Paper Tag Interface for Implicit Robot Control Shengdong ZhaoTakeo IgarashiKoichi NakamuraKentaro Ishii JST ERATO

2 Average Time on Housework Per Week Source: National Survey of Families and Households

3 Domestic Robots can Help, but … Technology: Robots technologies are not well defined, and may change often. User: Housewives and elderly are afraid of technologies Environment: Robots may disturb the comfort of our home

4 Domestic Robots can Help, but … Technology: Robots technologies are not well defined, and may change often. User: Housewives and elderly are afraid of technologies Environment: Robots may disturb the comfort of our home

5 Domestic Robots can Help, but … Technology: Robots technologies are not well defined, and may change often. User: Housewives and elderly are afraid of technologies Environment: Robots may disturb the comfort of our home

6 Domestic Robots can Help, but … Technology: Robots technologies are not well defined, and may change often. User: Housewives and elderly are afraid of technologies Environment: Robots may disturb the comfort of our home

7 Domestic Robots can Help, but … Technology: Robots technologies are not well defined, and may change often. User: Housewives and elderly are afraid of technologies Environment: Robots may disturb the comfort of our home 1 2 3

8 1. Frequent Change of Robot Technology Principle of Information Hiding –Hiding "difficult design decisions or design decisions which are likely to change“ (David Parnas, 1972) Housework tasks Robot technology (Long history relatively stable) (Change frequently) Interface Human users

9 1. Frequent Change of Robot Technology Principle of Information Hiding –Hiding "difficult design decisions or design decisions which are likely to change“ (David Parnas, 1972) Housework tasks Robot technology Interface Human users Solution: Only expose “tasks” to users

10 2. Fear of Learning New Technology Everyday Objects (Such as Paper Cards) Solution: Interact with everyday objects New Technology ? ? ?

11 3. Possible Disturbance at Home The Elves and the Shoemaker (Fairy Tales, by the Grimm Brothers) Oyster Girl (A Chinese Fairy Tale) Solution: Use asynchronous interaction

12 Magic Cards Video Guest Star: C3PO

13 The Robot Housework System Human users Magic Cards Interface Sensors and Processing System Robot Housework System

14 computer cameras 5m 4m robotscomputer Vision-based Environment

15 Robots Used

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19 The Robot Housework System Human users Magic Cards Interface Sensors and Processing System Robot Housework System

20 The Magic Cards Interface Magic Cards is a very simple tangible programming interface for housework planning using paper cards.

21 The Magic Cards Interface Magic Cards is a very simple tangible programming interface for housework planning using paper cards.

22 Grammar of the Magic Cards Task Planning Language C3PO cleans the dishes at noon.

23 Grammar of the Magic Cards Task Planning Language C3PO cleans the dishes at noon. subject + verb + object + modifiers The dishes need to be cleaned at noon. object + verb + modifiers

24 Grammar of the Magic Cards Task Planning Language The dishes need to be cleaned at noon. object + verb + modifiers Action tagsObject tagsModifier tags

25 Object Tags

26 Action Tags VacuumMopDeliver Wash dishes Wash clothes Avoid … Ideally include all types of house work tasks

27 Supported Action Tags VacuumMopDeliverAvoid

28 Action Tags: Vacuum, Mop, Avoid Vacuum Mop Avoid

29 Action Tags: One to One Delivery

30 Action Tags: Many to One Deliver

31 Action Tags: One to Many Delivery Trash bin Door

32 Modifier Tags Time Tags Order Tags

33 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back

34 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back

35 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back

36 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back 1 1

37 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back 1 1 2

38 Routine Tasks 1. Move the sofa away 2. Vacuum underneath 3. Move the sofa back

39 Compound Tasks Define a function: CompoundTask C 1 (object) { Move object away; Vacuum underneath; Move object back; } Use it sometime later: C 1 (anotherObject); Challenge: How to incorporate this concept into Magic Cards so that non-tech-savvy people can program compound tasks?

40 Special Purpose Tags: Compound Task Tag

41 Clean underneath

42 Evaluations 1. Iterative design of the Magic Cards interface 2. User study of both the Magic Cards interface and the prototype system

43 Iterative Design of Magic Cards Goal –understand users –receive initial feedback on design concepts –refine paper-tag interface Approach –6 participants, 2 hrs per person (1 male, 5 females, age range 21-64, mean 35.8) –Semi-structured interviews Iterations

44 Action Tags Time Tags Modifier Tags Order Tags Special Purpose and Object Tags

45 User Study Goal –Test the “Magic Cards” interface and the prototype system Approach –Participants: 8 participants, 2 hrs per person (all females, 21-52, mean 31.5) –Procedure: 1.Questionnaire 2.Paper-tag evaluation 3.Task scenarios in simulated environment

46 Positive Results and Feedback 6/8 interpret all tags correctly Short task planning time (within minutes) Magic Cards is easy to understand and use –e.g., a 52 year-old lady who self-describe as being afraid of “any buttons” highly praised the simplicity of the interface

47 Concerns and Suggestions Design for young children –Child safe –Collect cards after planning All-encompassing robots preferred for small home Privacy and aesthetics issues of sensors –Sensors on robots instead of in the environment?

48 Conclusion Introduced an alternative HRI design approach by focusing on “tasks” Designed the Magic Cards interface Developed a prototype system to support interaction with the Magic Cards interface

49 Future Work Extend the Magic Cards interface with more actions and modifiers tags Improve the sensor and system technologies Use more advanced robots Wash dishes Wash clothes …

50 Acknowledgments Minghui Sun, Yoshiki Takeoka, Sorahiko Nukatani, Tak Miyake, Zoey Yu, Yotam Gingold, Koji Yatani, Daisuke Sakamoto JST ERATO: (Many openings for post-docs and interns!) User study participants Anonymous reviewers

51 End

52 More about Using Paper Tags Benefits –Tangible everyday objects –Instant visibility and feedback –Direct interaction in context Limitations –Require more physical effort –Difficult to control remotely –More difficult to modify than virtual objects Clean Table

53 Task Description Language C3PO cleans the dishes at noon.

54 Task Description Language C3PO cleans the dishes at noon. The dishes need to be cleaned at noon.


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