symbolic_input - 3D User Interface Symbolic 3D User...

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Unformatted text preview: 3D User Interface Symbolic 3D User Interface Symbolic Input Input Techniques Lecture #11: Symbolic Input Spring 2011 Sprin Joseph J. LaViola Jr. Spring 2011 CAP6121– 3D User Interfaces for Games and Virtual Reality CAP6121– ©Joseph J. LaViola Jr. Universal 3D Interaction Tasks Navigation Travel – motor component Wayfinding – cognitive component Selection Manipulation System control Symbolic input Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 1 Symbolic Input Entering text numbers math symbols Entering text, numbers, math, symbols, etc… Difficult in 3DUIs Spring 2011 rarely present in immersive systems don’t always have a keyboard CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. Usage Scenarios Design automation automation Filename entry Labeling, Annotation, and Markup Precise object manipulation Setting parameters parameters Communication Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 2 Features of Symbolic Input in 3DUIs Users often standing often standing Users may physically move around No surface to place keyboard Difficult to see in low-light conditions lowDifferent for different hardware Different for different hardware configurations configurations Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. Symbolic Input Tasks Alphanumeric input input Editing alphanumeric symbols Markup input Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 3 Symbolic Input Techniques Keyboard-based techniques techniques PenPen-based techniques GestureGesture-based techniques SpeechSpeech-based techniques Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. Keyboards – Miniature Keyboards Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 4 Keyboards – Low Key Count Keyboards Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. Keyboards – Chord Keyboards Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 5 Keyboards – Pinch Keyboard Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. Keyboards – Soft Keyboards Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 6 PenPen-Based Keyboards PenPen-stroke gesture recognition Cirrin soft keyboard (Mankoff and Abowd 1998) Spring 2011 Dasher (Ward et al., 2002) CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. PenPen-Based Keyboards – Shape Writer Zhai and Kristensson 2002 and Kristensson 2002 Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 7 PenPen-Based Keyboards – Digital Ink Poupyrev et al., 1998 Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. GestureGesture-Based Techniques Sign language language Numeric gestures Instantaneous gestures Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 8 SpeechSpeech-Based Techniques Single character speech recognition character speech recognition Whole word speech recognition Unrecognized speech input Spring 2011 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. User Performance Bowman et al. 2002 et al 2002 Speech 3 Pen & tablet Pinch Keyboard 70 Chord keyboard Average CPM 60 50 40 30 20 10 Pinch Keyboard Pen & tablet Speech Chord keyboard 2.5 Relative comfort rating 80 2 1.5 1 0.5 0 Arm Strain 0 Trials 1-12 Trials 13-24 Trials 25-36 Trials 37-48 Trials 49-60 Trials 61-72 Spring 2011 Hand Strain Neck Strain Dizziness -0.5 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 9 Next Class System Control Control Readings Spring 2011 3DUI Book – Chapter 9 CAP6121 – 3D User Interfaces for Games and Virtual Reality ©Joseph J. LaViola Jr. 10 ...
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This note was uploaded on 08/25/2011 for the course CAP 6121 taught by Professor Lavoilajr. during the Spring '11 term at University of Central Florida.

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