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Augmented, reality, goes Mobile
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This class of techniques, which we call Opportunistic Controls, combines hand gestures, overlaid virtual widgets, and passive haptics to form an interface that was proven effective and intuitive during quantitative evaluation. Our evaluation of these techniques includes a qualitative exploration of various preferences and heuristics for Opportunistic Control-based designs. Subject(s computer science, item views 769 Metadata: text xml. Suggested Citation: Steven. Henderson, 2011, augmented reality Interfaces for Procedural Tasks, columbia university where Academic Commons).
The first prototype was designed to vertebrae assist mechanics carrying xmas out maintenance procedures under field conditions. An evaluation involving professional mechanics showed our prototype reduced the time required to locate procedural tasks and resulted in fewer head movements while transitioning between tasks. Following up on this work, we constructed another prototype that focuses on providing assistance in the underexplored psychomotor phases of procedural tasks. This prototype presents dynamic and prescriptive forms of instruction and was evaluated using a demanding and realistic alignment task. This evaluation revealed that the ar prototype allowed participants to complete the alignment more quickly and accurately than when using an enhanced version of currently employed documentation systems. How does the user interact with an ar application assisting with procedural tasks? The application of ar to the procedural task problem poses unique user interaction challenges. To meet these challenges, we present and evaluate a novel class of user interfaces that leverage naturally occurring and otherwise unused affordances in the native environment to provide a tangible user interface for augmented reality applications.
For some simple tasks, little cognitive assistance is required beyond an initial learning session in which a person follows one-time compact directions, or even intuition, to master a sequence of activities. In the case of complex tasks, procedural assistance may be continually required, even for the most experienced users. Approaches for rendering this assistance employ a wide range of written, audible, and computer-based technologies. This dissertation explores an approach in which procedural task assistance is rendered using augmented reality. Augmented reality integrates virtual content with a user's natural view of the environment, combining real and virtual objects interactively, and aligning them with each other. Our thesis is that an augmented reality interface can allow individuals to perform procedural tasks more quickly while exerting less effort and making fewer errors than other forms of assistance. This thesis is supported by several significant contributions yielded during the exploration of the following research themes: What aspects of ar are applicable and beneficial to the procedural task problem? In answering this question, we developed two prototype ar interfaces that improve procedural task accomplishment.
The media computing Group
I have also produced separate chapters so that you can download only the parts you need if bandwidth is limited. You may share the complete thesis document with others, but please do not distribute the separate chapter files because they do not contain title information. Complete Thesis, pdf, html, complete thesis document, start. Pdf, html, acknowledgements, abstract, table of contents, chapter. Pdf, html, introduction, chapter 2, pdf, hTML.
Background, chapter 3, pdf html augmented reality working planes Chapter 4 pdf html construction at a distance Chapter 5 pdf html user interface Chapter 6 pdf html software architecture Chapter 7 pdf html hardware Chapter 8 pdf html conclusion Appendix a pdf html evolutions Appendix. Title: Augmented reality Interfaces for Procedural Tasks Author(s henderson, Steven. Thesis Advisor(s feiner, Steven. Date: 2011 Type: Theses, degree:. D., columbia university department(s computer Science, persistent bilingual url: abstract: Procedural tasks involve people performing established sequences of activities while interacting with objects in the physical environment to accomplish particular goals. These tasks span almost all aspects of human life and vary greatly in their complexity.
A number of techniques that leverage ar working planes are developed, collectively termed construction at a distance: street furniture, bread crumbs, infinite planes, projection carving, projection colouring, surface of revolution, and texture map capture. These techniques can be used to create and capture the geometry of outdoor shapes using a mobile ar system with real-time verification and iterative refinement. To provide an interface for these techniques, a novel ar user interface with cursors and menus was developed. This user interface is based around a pair of pinch gloves for command input, and the use of a custom developed vision tracking system for use in a mobile environment. To develop applications implementing these contributions, a new software architecture was designed to provide a suitable abstraction to make development easier.
This architecture is based on an object-oriented data flow approach, uses a special file system notation object repository, and supports distributed objects. The software requires a platform to execute on, and so a custom wearable hardware platform was developed. The hardware is based around a backpack that contains all the equipment required, and uses a novel flexible design that supports simple reconfiguration. Based on these contributions, a number of modelling applications were developed to demonstrate the usefulness of these techniques. These modelling applications allow users to walk around freely outside, and use proprioception and interactions with the hands to control the task. Construction at a distance allows the user to model objects such as buildings, trees, automobiles, and ground features with minimal effort in real-time, and at any scale and distance beyond the user's reach. These applications have been demonstrated in the field to verify that the techniques can perform as claimed in the dissertation. Thesis Document, my PhD thesis is titled, interactive 3d modelling in Outdoor Augmented reality worlds and is available for download from this page. I have prepared a pdf file of the entire document which you can print, as well as a html version which is browsable on the web.
Augmented, reality in Architectural Construction
Augmented reality is the process of registering projected computer-generated images over a user's view of the physical world. With the use of a mobile computer, augmented reality can also be experienced in an outdoor environment. Working in a mobile outdoor environment introduces new challenges not previously encountered indoors, requiring the development of new user interfaces to interact with the computer. Current ar systems only support limited interactions and so the complexity blood of applications that can be developed is also limited. This dissertation describes a number of novel contributions that improve the state of the art in augmented reality technology. Firstly, the augmented reality working planes technique gives the user the ability to create and edit objects at large distances using line of sight and projection techniques. This technique overcomes limitations in a human's ability to perceive depth, and requires simple input devices that are available on mobile computers.
University of south Australia, announcements, on March 8, 2004 I was awarded wallpaper my doctor of Philosophy from the University of south Australia. I started my PhD in 1999 and submitted my draft thesis for examination in June 2003, which was passed and the final version was submitted in February 2004. My phD thesis is titled, interactive 3d modelling in Outdoor Augmented reality worlds, and was performed at the. Wearable computer Lab, school of Computer and Information Science, at the, university of south Australia. I invite you to read a copy of my thesis, which is available from this web page. I look forward to reading any comments you may have on my work, and hope you enjoy reading. Abstract, this dissertation presents interaction techniques for 3D modelling of large structures in outdoor augmented reality environments.
of Philosophy. By wayne piekarski, bachelor of Engineering in Computer Systems Engineering (Hons University of south Australia. Supervisor, dr Bruce Thomas, adelaide, south Australia, final submisson 26th February, 2004. Submitted for examination 17th June, 2003. Wearable computer Lab, school of Computer and Information Science. Division of Information Technology, engineering, and the Environment.
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Ben Bajarin on August 8, 2017, reading Time: 4 minutes, we are on the cusp of watching something we have been talking about for a while go mainstream in a big way. That thing is Augmented reality. With Apples arkit and from what Im hearing a google arkit competitor for Android coming soon, these new tools will usher in a new wave of app development and innovation. Ive stated my point that ar will go mainstream through the smartphone and eventually to other displays. It is the topic of what those other displays may be i want to address today. This article requires a think. Tank subscription, click here to learn more or sign up below.