Forsling Parborg, Emma

The aim for this project was to develop an application that would be compatible with set-top boxes, or other browser based applications, and re-search what interaction techniques that could be considered a viable substitute for a the traditional remote controller without requiring the visual attention of the viewer User test was also performed in the interest of broadly evaluating the different interaction techniques used in the application, and how the UI itself, including non visual feedback f...

Edgcumbe, Philip

The full abstract for this thesis is available in the body of the thesis, and will be available when the embargo expires. / Applied Science, Faculty of / Graduate

Bai, Jin

In this thesis, robot navigation using the Particle Filter based FastSLAM approach for obstacle avoidance derived from a modified Velocity Potential Field method was investigated. A switching controller was developed to deal with robot’s efficient turning direction when close to obstacles. The determination of the efficient turning direction is based on the local map robot derived from its on board local sensing. The estimation of local map and robot path was implemented using the FastSLAM appro...

Frazier, Cameron

The use of potential field based navigation schemes in robotics has been limited by inherent local minima issues. Local minima traps, small passages, unstable motion, and targets positioned near objects all pose major concerns when using potential fields for local vehicle control. This work proposes a new algorithm, "Re-Active Vector Equilibrium" (RAVE) that mitigates many of these issues. The vehicle representation model is expanded to use multiple points subject to potential calculation and th...

Esau, Christie

This thesis considers the lived experiences of LGBTTQIA+ students who currently attend or have attended Trinity Western University (TWU), a private Christian university that requires all staff, students and faculty to sign a community covenant expressing marriage is between a man and a woman. Importantly, TWU is currently seeking to start a law school, which faces great opposition due to TWU’s historical and current exclusion of queer folks. Subsequently, this thesis draws on data gathered from ...

Wagde, Anil H

No description available.

Basil, Helen

No description available.

Jiang, Kehua

This thesis addresses the key issues of image dataset compression, especially cubic-panorama image dataset compression, used in image-based virtual environment navigation to develop effective and efficient compression techniques and schemes. To my knowledge, this is the first work to be published to investigate and design compression schemes for cubic-panorama image datasets. A spatially consistent representation of cubic-panorama image datasets is proposed. With this spatially consistent repres...

Lafleur, Renee

Spatial navigation is a common yet very important activity in everyday life. Errors in navigation, which usually involve miscalculations of distance and direction, derive from a variety of deficits, including neurological diseases, injuries, as well as aging. In a navigation task designed to assess the ability to reach a target location without vision, young and older adults showed statistically significant age differences in dual-task costs. It was also shown that dual-task costs vary as a func...

Therrien, Megan E

Navigation is a task that involves processing two-dimensional light patterns on the retinas to obtain knowledge about how to move through a three-dimensional environment. Therefore, modifying the basic characteristics of the two-dimensional information provided to navigators should have important and informative effects on how they form their representations of the environment. Despite this, few basic research studies have examined the effects of systematically modifying the available levels of ...

Byczkowski, Tomasz

Three-dimensional scanning is a topic which, in recent years, has gained significant attention from several research fields, including industrial design, reverse engineering and prototyping (e.g., CAD), body imaging (e.g., fashion and health care), computer vision ( e.g., world mapping), entertainment (e.g., gaming, visual effects and animation), photo tourism, forensics and documentation of cultural artifacts. Currently, 3D scanning is an involved process that generally requires special hardwar...

Hossain, Mohammad Anwar

This thesis presents LORNAV, a prototype web-based 3D tool designed to visualize Learning Objects (LOs) in a virtual environment over the Internet. The learning objects focused on are represented using the IEEE Learning Object Metadata (LOM) standard and are distributed among multiple repositories. The repositories may be located locally on the LORNAV server or be distributed elsewhere on the Internet. LORNAV dynamically creates a 3D representation of each of the LOs from the LOM elements based ...

Bergqvist, Emil

This thesis analyses if the change of auditory feedback can improve the effectiveness of performance in the interaction with a non-visual system, or with a system used by individuals with visual impairment. Two prototypes were developed, one with binaural audio and the other with stereo audio. The interaction was evaluated in an experiment where 22 participants, divided into two groups, performed a number of interaction tasks. A post-interview were conducted together with the experiment. The res...

Sjöberg, Adam, Rominger, Marcel

The human’s ability to see, listen and speak is naturally embedded in how we interact and communicate with each other, but not only do we interact with other humans, we also spend a lot of time interacting with computers. In our study we take a starting point in embodied interaction and draw on people’s abilities from everyday life and apply them to computation in form of eye-tracking and speech recognition. Previous research mainly explored these inputs separately and little has been discovered...

Stefan, Knutas

Pedestrian navigation on an iPhone today does not provide the accuracy to place the pedestrian on the correct side of a street. A deciding issue that prevents sufficient accuracy is the errors that occur when using satellite positioning in urban environments. Another big problem is that heading data has shown a tendency to be inaccurate. Chapter 2 explains satellites navigation, navigation techniques, and sensors. Chapter 4 describes how a prototype was developed. The prototype uses deduced reck...

Ruff, Alexander

Throughout history, military officers have relied on maps to provide spatial information and make informed battlefield and other problem-solving decisions. Today’s officers can put even more spatial information at a soldier’s fingertips if they are made aware of the power of geographic information systems and software. This paper makes the argument that an informal education and introduction to the uses of geographic information systems (GIS) during their participation in reserve officer trainin...

Snyman, Christo Johannes

Modern cell phone hardware, due to its integrated peripherals, provides a low cost intelligent controller for use in the navigation of an Automated Guided Vehicle (AGV). Most commercial AGV’s use proprietary hardware which is expensive to replace and also difficult to maintain. Using industrial hardware components combined with Android mobile platforms could provide a low-cost alternative. This would be easier to maintain, using existing in-house factory maintenance knowledge. A prototype AGV wa...

Pálenská, Markéta

Diplomová práce se zabývá návrhem algoritmu rozšířeného Kalmanova filtru, který integruje data z inerciálního navigačního systému (INS) a globálního polohovacího systému (GPS). Součástí algoritmu je i samotná mechanizace INS, určující na základě dat z akcelerometrů a gyroskopů údaje o rychlosti, zeměpisné pozici a polohových úhlech letadla. Vzhledem k rychlému nárůstu chybovosti INS je výstup korigován hodnotami rychlosti a pozice získané z GPS. Výsledný algoritmus je implementován v prostředí S...

Ipser, Jonathan

Bibliography: leaves 134-148. / An exploratory investigation into the capabilities of hypertext as an educational medium was conducted. To this purpose, a model was advanced in an attempt to provide a theoretical foundation for the explication of hypertext navigation and disorientation in terms of relevant user characteristics. 75 2nd year psychology students from the University of Cape Town participated in a study in order to investigate the claim that the motivational theory of goal orientatio...

Mikšík, Ondřej

Diplomová práce se zabývá porozuměním dynamických scén pro navigaci mobilních robotů. V první části předkládáme nový přístup k "sebe-učícím" modelům - fůzi odhadu úběžníku cesty založeného na frekvenčním zpracování a pravděpodobnostních modelech využívající barvu pro segmentaci. Detekce úběžníku cesty je založena na odhadu dominantních orientací texturního toku, získáného pomocí banky Gaborových vlnek, a hlasování. Úběžník cesty poté definuje trénovací oblast, která se využívá k samostatnému uče...

Tomek, Jakub

Navigation mesh is a form of representation of a virtual environment, which allows effective navigation of intelligent virtual agents. This thesis deals with the development of a navigation mesh for the intelligent virtual agents in the environment of the computer game Unreal Tournament 2004. Before the development of the navigation mesh, the navigation graph was the only available representation of the environment that the agents could use for navigation. The navigation graph however provides o...

Hejtmánek, Lukáš

This master thesis presents an overview of psychological and neurological the- ories and research of human navigation, how it works, what systems it con- sists of and what external information it requires to operate. I present several experiments administered in virtual environment which tested the process of accessing two discrete spatial reference frames: allocentric landmark-centred and object-centred. The research tries to answer whether these reference frames interface during the learning p...

Olsson, Fredrik

This report aims to evaluate the performance gains that can be obtained by introducing cooperative localization in an indoor firefighter localization system, through the use of scenario-based simulations. Robust and accurate indoor localization for firefighters is a problem that is not yet resolved. Harsh environmental conditions and stringent size, weight, power and cost (SWaP-C) requirements are obstacles that have to be considered. Foot-mounted inertial navigation systems (INS) are being eval...

Chung-Hsien Tsai, 蔡宗憲

博士 / 國立中央大學 / 資訊工程研究所 / 99 / Targeting on the problems of the legacy GPS navigating system, the dissertation employs the context-aware service to design the next generation GPS navigating system. The legacy GPS navigation system is frequently persecuted with GPS ranging errors, human cognitive errors, and disorientation problems. Such types of errors always lead to significant inaccurate navigation results; even more induce accidents to the user. Most of the previous efforts on solving those iss...

Wiklund, Urban

No description available.

Tate, Tyler H., McGregor, Davis, Barton, Jennifer K.

The optical design for a dual modality endoscope based on piezo scanning fiber technology is presented including a novel technique to combine forward-viewing navigation and side viewing OCT. Potential applications include navigating body lumens such as the fallopian tube, biliary ducts and cardiovascular system. A custom cover plate provides a rotationally symmetric double reflection of the OCT beam to deviate and focus the OCT beam out the side of the endoscope for cross-sectional imaging of th...

Koukal, Bohuslav

Manual data exploration in data cubes and searching for potentially interesting and useful information starts to be time-consuming and ineffective from certain volume of the data. In my thesis, I designed, implemented and tested a system, automating the data cube exploration and offering potentially interesting views on OLAP data to the end user. The system is based on integration of two data analytics methods - OLAP analysis data visualisation and data mining, represented by GUHA association ru...

Munghemezulu, Cilence

Space geodesy is one of the disciplines that contributes uniquely to the global society; its applications have grown to such an extent that system Earth is better understood today. The current accuracy of the Global Navigation Satellite Systems (GNSS) technique is below centimetre level and this allows very accurate determination of velocity field parameters. This study focused on utilizing GNSS to determine the inter-continental plate velocity field for Africa in support of the African Geodetic...

Diamantidis, Periklis-Konstantinos

Kalman filtering is a well-established method for fusing sensor data in order to accuratelyestimate unknown variables. Recently, the unscented Kalman filter (UKF) has beenused due to its ability to propagate the first and second moments of the probability distribution of an estimated state through a non-linear transformation. The design of ageneric algorithm which implements this filter occupies the first part of this thesis. The generality and functionality of the filter were tested on a toy ex...

Iivonen, Mirja, Sonnenwald, Diane H.

We propose a model of search term selection process based on our empirical study of professional searchers during the pre-online stage of the search process. The model characterizes the selection of search terms as the navigation of different discourses. Discourse refers to the way of talking and thinking about a certain topic; there often exists multiple, diverse discourses on the same topic. When selecting search terms, searchers appear to navigate a variety of discourses, i.e., they view the ...

La Barre, Kathryn

In November, 2005, James Billington, the Librarian of Congress, proposed the creation of a “World Digital Library” of manuscripts and multimedia materials in order to “bring together online, rare and unique cultural materials.” Google became the first private sector partner for this project with a pledge of 3 million dollars (http://www.loc.gov/today/pr/2005/05- 250.html). One month later, the Bibliographic Services Task Force of the University of California Libraries released a report: Rethinki...

Gwizdka, Jacek, Spence, Ian

Task has been recognized as an influential factor in information seeking behavior. An increasing number of studies are concentrating on the specific characteristics of the task as independent variables to explain associated information-seeking activities. This paper examines the relationships between operational measures of information search behavior, subjectively perceived post-task difficulty and objective task complexity in the context of factual information-seeking tasks on the web. A q...

Kaiser, Stefan.

This thesis deals with the legal problems arising from the introduction of satellite based communication, navigation and surveillance systems for civil aviation. The technical innovations are asking for an international institutional implementation, which has not yet started. / After a brief look at the technical aspects of the new systems (Chapter II), existing institutional arrangements of international satellite systems, air-navigation infrastructure and air traffic control are outlined (Chap...

Pandiani-Vlachos, Teresa

No description available.

Addison, Henry, 1955-

Global Navigation Satellite Systems (GNSS) are a key technology underpinning the International Civil Aviation Organization's (ICAO's) communications, navigation, surveillance/air traffic management concept. The fact the de facto GNSS, the Global Positioning System (GPS) is a military system owned, operated and controlled by the United States raises many legal and institutional issues for civil aviation. / This thesis will discuss the nature of GPS/GNSS as a global utility, ICAO's evolutionary pa...

Ghonaim, Mahmoud A.

Looking at the current air traffic system developments and the use of satellite for communication, navigation, surveillance and air traffic management, an emerging trend of institutions and law can be observed. This thesis assesses the institutional and legal contributions of the satellite services to civil aviation. / This thesis is divided into three parts. Part I sets the scene by giving the reader a brief look at the technical side of the current air navigation system. Chapter I explores the...

Vissière, David

Le thème de la « navigation bas-coût », caractérisé par le transfert de performance des capteurs vers les algorithmes de fusion de données et de commande, est un thème central dans de nombreuses applications militaires liées en particulier aux besoins nouveaux des troupes légères. L'utilisation de capteurs inertiels ou magnétométriques type MEMS et de GPS civils (notamment), optimise les critères d'encombrement, de masse et de consommation. Mais elle requiert, en compensation des performances re...

Rahman, ATIF

Unmanned ground mobile robots are land-based robots which do not have a human passenger on board. They can be either autonomous, or controlled via telecommunication. For navigational purposes, GPS is often used. However, the GPS signal can be distorted in obstructive environments such as tunnels, urban canyons, and dense forests. IMUs can be used to provide an internal navigational solution, free from external input. However, low cost IMUs are prone to various intrinsic sources of error, which l...

Karaim, MALEK

Processing GPS carrier-phase measurements can provide high positioning accuracy for several navigation applications. However, if not detected, cycle slips in the measured phase can strongly deteriorate the positioning accuracy. Cycle slips frequently occur in areas surrounded by trees, buildings, and other obstacles. The dynamics experienced by the GPS receiver in kinematic mode of navigation also increases the possibility of cycle slips. Detection and correction of these cycle-slips is essentia...

Guen-Jou, Chen

Thesis (M.A.)--National Taipei University of Technology Graduate Institute of Mechatronic Engineering / Includes bibliographical references

Wang, Qi.

No description available.

Crompton, James Woodhouse.

Thesis, (M.E.?)-- University of Adelaide, Dept. of Engineering, 1958. / Typewritten.

Tolmie, Julie.

Thesis (Ph.D.)--Australian National University, 2000.

Dhake, Pravin,

Thesis (M.S.)--University of Missouri--Rolla, 2007. / Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed November 28, 2007) Includes bibliographical references (p. 86-87).

Fuxjager, Matthew J. Lohmann, Kenneth J.,

Thesis (M.S.)--University of North Carolina at Chapel Hill, 2007. / Title from electronic title page (viewed Mar. 27, 2008). "... in partial fulfillment of the requirements for the degree of Master of Science in the Department of Biology Evolution, Ecology and Organismal Biology." Discipline: Biology; Department/School: Biology.

Eikenberry, Blake D.

Thesis (M.S. in Astronautical Engineering and Astronautical Engineer Degree)--Naval Postgraduate School, December 2006. / Thesis Advisor(s): Romano, Marcello. "December 2006." Description based on title screen as viewed on March 12, 2008. Includes bibliographical references (p. 125-127). Also available in print.

Stammberger, Iris G.

Thesis (Ph.D.)--Tufts University, 2005. / Chair: David Henry Feldman. Submitted to the Dept. of Interdisciplinary Studies. Includes bibliographical references (leaves 128-141). Access restricted to members of the Tufts University community. Also available via the World Wide Web;

Nayak, Rakesh Ammunje

No description available.

Brelage, Christian S.

University, Diss., 2005--Münster (Westfalen).

Cowan, Brett Andrew.

Thesis (Ph. D.)--Oklahoma State University, 2007. / Vita. Includes bibliographical references.