Finger and Palm Interactions in a Multi- Touch Card Game Christian - - PowerPoint PPT Presentation

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May 29, 2023 156 likes •350 views

Finger and Palm Interactions in a Multi- Touch Card Game Christian Reichart Course: Interaction Engineering Winter semester 2014/15 Instructor: Prof. Dr. Michael Kipp Real Card Games - Shuffling - Dealing out cards - Drawing - Playing out

SLIDE 1

Finger and Palm Interactions in a Multi- Touch Card Game

Christian Reichart Course: Interaction Engineering Winter semester 2014/15 Instructor: Prof. Dr. Michael Kipp

SLIDE 2

Real Card Games

Shuffling
Dealing out cards
Drawing
Playing out cards
etc.

SLIDE 3

Real Card Games

Personal vs. Public information

→ essential in most games

SLIDE 4

The Goal

Bringing those elements of play to a multitouch interface

PKR for iOS

SLIDE 5

Prototype

Processing Framework 10-inch Android Tablet

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Prototype

Players score points

by putting out cards

20 cards in play
5 cards in hand

SLIDE 7

Prototype

Palm is simulated
3 knobs with

aluminium foil

SLIDE 8

Interaction Techniques

Dragging

Used to draw a card
Card follows finger

SLIDE 9

Interaction Techniques

Palm Hiding

Used to see own cards
Blocks sight of opponent
Cards “flip” again, when

palm is released

SLIDE 10

Interaction Techniques

Pushing

Used to play a card
card is “pushed” towards

center

SLIDE 11

Interaction Techniques

Multi-Finger Wiping

Used to shuffle the cards
Progress bar shows

“amount” of shuffled cards

User can stop at any time

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Video

SLIDE 13

Related Work

Private and public information

Exploring Gesture-Based Interaction Techniques in Multi-Display Environments with Mobile Phones and a Multi-Touch Table → Multiple screens were used → Every participant has its own screen

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Related Work

Recognizing palm with multitouch

Classifying Hand Shapes on a Multitouch Device → Light-based multitouch → Recognition may take several seconds

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Conclusion

Multi-touch great for finger based natural

interactions

Capacitive screens struggle with palm

recognition

Would be great to test with a bigger screen

(e. g. multi-touch table)

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Thanks for your attention!

? Questions

SLIDE 17

Related Work Sources

Exploring Gesture-Based Interaction Techniques in Multi-Display Environments with Mobile Phones and a Multi-Touch Table

http://www.tanjadoering.de/documents/avi10_doering.pdf

Classifying Hand Shapes on a Multitouch Device

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.217.1987&rep=rep1&type=pdf