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Understanding Augmented Reality : Concepts and Applications.

Ebook Central College Complete Available online

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Format:
Book
Author/Creator:
Craig, Alan B.
Language:
English
Subjects (All):
Augmented reality.
Physical Description:
1 online resource (297 pages)
Edition:
1st ed.
Place of Publication:
San Diego : Elsevier Science & Technology, 2013.
Contents:
Front Cover
Understanding Augmented Reality
Copyright Page
Short Contents
Table of Contents
Foreword to Alan B. Craig's Understanding Augmented Reality
Preface
About this Book
How this Book Came to Be
Intended Audience
Relationship of this Book with Understanding Virtual Reality and Developing Virtual Reality Applications
Special Features of this Book
Supplemental Materials
About the Author
Acknowledgments
1 What Is Augmented Reality?
Introduction
Where Did Augmented Reality Come from?
Other Enhancements
Why Digital Enhancement of the Real World Rather Than Physical Enhancement?
Augmented Reality
The Physical World Is Augmented by Digital Information That Is Superimposed on a View of the Physical World
The Information Is Displayed in Registration with the Physical World
The Information Displayed Is Dependent on the Geographic Location of the Real World and the Physical Perspective of the Per ...
The Relationship between Augmented Reality and Other Technologies
Media
Virtual Reality
Telepresence
Technologies
Global Positioning System (GPS)
Geographic Information Systems (GIS)
Other Ideas Related to the Spectrum Between Real and Virtual Worlds
Cyberspace
Mixed Reality
Virtuality and the Virtuality Continuum
The Reality Continuum
The Metaverse and the Metaverse Roadmap
Summary of Related Technologies
Summary
2 Augmented Reality Concepts
How Does Augmented Reality Work?
The Two-Step Process of Augmented Reality Applications
Sensor(s)
Sensors Used for Tracking
Camera (Computer Vision)
Gyroscopes, Accelerometers, and Other Types of Sensors
Sensors for Gathering Environmental Information
Sensors for Gathering User Input
Processor
Display.
Categories of Displays
Concepts Related to Augmented Reality
Computer Graphics
Dimensionality
Depth Cues
Visual Depth Cues
Monoscopic Image Depth
Stereoscopic Image Depth (Stereopsis)
Motion
Physiological
Auditory Depth Cues
Registration and Latency
Registration
Latency
Ingredients of an Augmented Reality Experience
Augmented Reality Application
Content
Interaction
Technology
The Physical World
Participant(s)
3 Augmented Reality Hardware
Major Hardware Components for Augmented Reality Systems
Sensors
Roles of Sensors
Tracking
Other Uses for Sensors
Processors
Roles of Processors
Processor System Architectures
Handheld
Handheld Connected to Server
Laptop or Desktop Computer
Laptop or Desktop Computer with Server
Application Run as a Web Application
Application Run on a Cloud with a Thin Client
Other Combinations of Local and Remote Processors
Advantages
Disadvantages
Summary and Comparison Chart
Processor Specifications
Number of Processors
Processor Speed
Available Memory
Available Storage
Graphics Accelerator(s)
Network Bandwidth
Network Latency
Processor Summary
Displays
Visual Displays
Stationary Visual Displays
Visual Displays That Move with the Participant's Head
Visual Displays That Move with the Participant's Hand or Other Parts of His or Her Body
Audio Displays
Stationary Audio Displays
Audio Displays That Move with the Participant's Head
Audio Displays That Move with the Participant's Hand or Other Parts of His or Her Body
Other Sensory Displays
Haptics
Smell (Olfaction)
Other Senses
Stereo Displays
Visual
Audio
Characteristics of Displays That Are Common to Many Display Types
Augmented Reality System
Summary.
4 Augmented Reality Software
Major Software Components for Augmented Reality Systems
Software Involved Directly in the Augmented Reality Application
Environmental Acquisition
Sensor Integration
Application Engine
Rendering Software
Augmented Reality Libraries
Cross-Platform Support
The Rapidly Changing Landscape
Comparing AR Libraries
Software Used to Create the Augmented Reality Application
Software Used to Create Content for the Augmented Reality Application
Software for Creating and Editing Three-Dimensional Graphics
Software for Creating and Editing Two-Dimensional Graphics
Software for Creating and Editing Sound
Record Sounds from the Real World Outside the AR Application
Precompute (Synthesize) Sounds Using Software Outside the AR Application
Editing Sounds from Other Sources Using Editing Software
Other Software Related to Augmented Reality
Putting It All Together
5 Content Is Key!-Augmented Reality Content
What Is Content?
Attributes of Different Ways of Representing Content
Representation and Our Senses
Content That Falls Within Our Understanding of the Real World
Content That Does Not Fall Within Our Understanding of the Real World
The Dilemma of the Virtual World and the Real World
Realistic Representation vs Abstract Representation
Representations Meant to Convey Physical Attributes vs Representations to Communicate Emotion
Physical Representations vs Conceptual Representations
Content That Tells a Story
Content for AR Games
Content for Conveying Information
Creating Visual Content
Three-Dimensional Objects
Created from Scratch Using a Computer Graphics Modeling Program
Scene Graphs
Created Dynamically from an Algorithm That Generates the Objects.
Created from a Real-World Object by Scanning an Object With a 3D Scanner
Obtained by Purchasing or Otherwise Obtaining an Extant 3D Model
Two-Dimensional Images
Visual Elements That Vary with Time (Animation)
Creating Audio Content
Creating Content for Other Senses (Touch, Taste, Smell)
Representation and Perceptual Issues
Sight
Hearing
6 Interaction in Augmented Reality
What Is Interaction?
Interaction in the Real World
Manipulation
Navigation
Travel in Augmented Reality
Navigation in Augmented Reality
Communication and Multiperson Augmented Reality Applications
Interaction in Projected Augmented Reality Environments
Subjective vs Objective Point of View
7 Mobile Augmented Reality
What is Mobile Augmented Reality?
Advantages and Disadvantages of Mobile Augmented Reality
Advantages of Mobile Augmented Reality Applications
Disadvantages of Mobile Augmented Reality Applications
Constraints of Mobile Augmented Reality Applications
Technological Constraints
Environmental Constraints
User Understanding
Architectures for Mobile Augmented Reality Systems
8 Augmented Reality Applications
What Makes a Good Augmented Reality Application?
Application Areas
Magic Books
Magic Mirrors
Magic Windows and Doors
Magic Lens
Navigation Assistance
Nonreferential Augmentation
Objective View Augmented Reality
Collaborative Augmented Reality
Applying Augmented Reality to a Problem
Evaluating Augmented Reality Applications
Why Evaluate Augmented Reality Applications?
Evaluation Questions
Example Augmented Reality Applications
The Ethnobotany Workbook
colAR-Amazing Animals of New Zealand
T. rex
Anatomy
9 The Future of Augmented Reality
The Current State of Augmented Reality
The State of Augmented Reality Applications
The State of Augmented Reality Technology
The State of Augmented Reality Content Development
Why Consider the Future?
Trends in Augmented Reality
Trends Toward Mobile Augmented Reality Applications
A Trend Away from Specialized Fiducial Markers
A Trend Toward Improved Tracking and Hybrid Tracking Technologies
A Trend Toward Less Encumbrance with Augmented Reality Systems
A Trend Toward Display to More Senses with Augmented Reality Systems
A Trend Toward Higher Fidelity Representations and Displays
A Slow Trend Toward Projection Augmented Reality Systems
A Trend Toward More Control Being Done in the Real World
A Trend Toward Multiperson Applications and Private Applications
A Trend Toward Applications with Readily Swappable Content
A Trend Toward Repositories of Augmented Reality Content and Applications
A Trend Toward More Application Areas
A Trend Toward Ubiquitous Content and Channels of Augmentations
A Trend Toward New Mechanisms for Augmentation Discovery
A Trend Toward Easy-to-Use Authoring Tools for Augmented Reality Experiences
A Trend Toward Attention to Disabilities and Challenges
A Trend Toward Better, More Formal Evaluation of Augmented Reality Experiences
Intellectual Property in Augmented Reality Applications
Index.
Notes:
Description based on publisher supplied metadata and other sources.
Other Format:
Print version: Craig, Alan B. Understanding Augmented Reality
ISBN:
9780240824109
OCLC:
843187679

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