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The Curvature-Velocity Method for Local Obstacle Avoidance
- In Proc. of the IEEE International Conference on Robotics and Automation
, 1996
"... We present a new method for local obstacle avoidance by indoor mobile robots that formulates the problem as one of constrained optimization in velocity space. Constraints that stem from physical limitations (velocities and accelerations) and the environment (the configuration of obstacles) are place ..."
Abstract
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Cited by 155 (7 self)
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, demonstrating reliable, smooth and speedy navigation in office environments. The obstacle avoidance method is used as the basis of more sophisticated navigation behaviors, ranging from simple wandering to map-based navigation. 1 Introduction We address the problem of local obstacle avoidance for mobile robots
Spearcons Improve Navigation Performance and Perceived Speediness in Korean Auditory Menus
"... For decades, auditory menus using both speech (usually text-to-speech, TTS) and non-speech sounds have been extensively studied. Researchers have developed situation-optimized auditory menus involving such cues as auditory icons, earcons, spearcons, and spindex. Spearcons have generally outperformed ..."
Abstract
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menus, as well as the use of spearcons alone. Twenty-five native Korean speakers navigated through a two-dimensional auditory menu presented via TTS, with or without spearcon enhancements. Korean spearcons were successful. Participants also rated the spearcon-enhanced menu as seeming speedier and more
SOS: A Safe, Ordered, and Speedy Emergency Navigation Algorithm in Wireless Sensor Networks
"... Abstract—Wireless sensor networks can play an important role in detecting disasters and navigating the personnel out of dangerous areas. In emergency navigation applications, personal safety and evacuation time of human beings are commonly considered criteria. Consequently, existing works mainly foc ..."
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Abstract—Wireless sensor networks can play an important role in detecting disasters and navigating the personnel out of dangerous areas. In emergency navigation applications, personal safety and evacuation time of human beings are commonly considered criteria. Consequently, existing works mainly
A Tool for Individualized Information Navigation That Adapts to User Domain Expertise
"... Knowledge of a user's domain expertise (or, familiarity, at least) can and should be exploited by tools that are designed to individualize the navigation of large-scale information bases such as the WWW. Efforts to individualize information browsers focus on speedier access of relevant mater ..."
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Knowledge of a user's domain expertise (or, familiarity, at least) can and should be exploited by tools that are designed to individualize the navigation of large-scale information bases such as the WWW. Efforts to individualize information browsers focus on speedier access of relevant
Navigating learning journeys of online teachers: Threshold concepts and self-efficacy
"... Higher education institutions are developing more and more online courses to supplement and augment the courses they offer in on-campus modes. In fact, some universities now offer the majority of their courses through online contexts. However, for academic staff who design and teach these courses, t ..."
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, the transition from teaching on-campus courses to teaching in online learning environments is not always speedy or smooth. Academic teaching staff require support, mentoring and professional learning programs to develop their existing capacities and apply them to an online context. This paper reports on Phase 2
unknown title
"... reliable, and speedy, navigation in peopled office/corridor environments. 7 Conclusions We have presented the curvature-velocity method for local obstacle avoidance, which treats the problem as one of constrained optimization in the velocity space of the robot. Advantages of this formulation include ..."
Abstract
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reliable, and speedy, navigation in peopled office/corridor environments. 7 Conclusions We have presented the curvature-velocity method for local obstacle avoidance, which treats the problem as one of constrained optimization in the velocity space of the robot. Advantages of this formulation
Responsive Thinwire Visualisation of Large Geographic Datasets
, 2002
"... This thesis describes a web-based, responsive, zooming and panning visualization system for a full-featured geographic description of the United States. Current web-based map servers provide, from a visualization standpoint, little more than one static image per page, with hyperlinks for navigatio ..."
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for navigation; continuous zooming and panning requires locally stored data. Our primary contribution is a multi-threaded, scalable and responsive client-server architecture that responds to user requests as naturally and quickly as possible, regardless of network bandwidth reliability. This architecture can
Approved:
, 2002
"... A special thank you goes to my advisor, Chee Yap, who has been a wonderful guide and collaborator. I hope to continue working with him, on this and other projects. Thanks also to the other members of my thesis committee, Richard Cole, Dennis Shasha, Arthur Goldberg and Denis Zorin. Their comments an ..."
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visual-ization system for a full-featured geographic description of the United States. Current web-based map servers provide, from a visualization standpoint, little more than one static image per page, with hyperlinks for navigation; continuous zooming and panning requires locally stored data. Our
Nepalese Journal on Geoinformatics-12, 207033 Potential Use of GPS Technology For Cadastral Surveys in Nepal
"... Global Positional Systems (GPS) now is competing with traditional surveying techniques in almost all fields of geodesy and cadastral surveying after the availability of highly productive new systems such as Real Time Kinematic (RTK) systems along with the use of Global Navigation Satellite Systems ( ..."
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Global Positional Systems (GPS) now is competing with traditional surveying techniques in almost all fields of geodesy and cadastral surveying after the availability of highly productive new systems such as Real Time Kinematic (RTK) systems along with the use of Global Navigation Satellite Systems
Look Before You Warp: Instantaneous Travel and the Fragmentation of Environmental Presence in Videogame Worlds
"... Ask any serious hiker: the joy of backpacking lies not in the destination, but rather in the total journey. Romanticized wisdom, to be sure, but wisdom nonetheless. In Yosemite National Park, for example, the one-hour drive to Glacier Point may provide scenery more dramatic than in the park’s High S ..."
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Sierra camps; but the easy, speedy approach of the drive, as well as the postcard vistas framed by the Point’s pre-constructed viewing platform, betray a surface-deep tourism that encourages the quick consumption of space. The tough seven-mile trek up to Vogelsang Camp, by contrast, rewards grit
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