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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Towards Aggregating Time-Discounted Information In Sensor Networks, Xianping Wang Jul 2016

Towards Aggregating Time-Discounted Information In Sensor Networks, Xianping Wang

Computer Science Theses & Dissertations

Sensor networks are deployed to monitor a seemingly endless list of events in a multitude of application domains. Through data collection and aggregation enhanced with data mining and machine learning techniques, many static and dynamic patterns can be found by sensor networks. The aggregation problem is complicated by the fact that the perceived value of the data collected by the sensors is affected by many factors such as time, location and user valuation. In addition, the value of information deteriorates often dramatically over time. Through our research, we already achieved some results:

A formal algebraic analysis of information discounting, especially …


Cloth - Modeling, Deformation, And Simulation, Thanh Ho Mar 2016

Cloth - Modeling, Deformation, And Simulation, Thanh Ho

Electronic Theses, Projects, and Dissertations

This project presents the concepts of modeling cloth objects with different materials by using parameters such as mass, stiffness, and damping. This project also introduces deformation and simulation methods to present the movement and interaction of cloth objects. The implementation is developed using C++ for fast processing but the visualization is done by Maya, which is a professional 3D modeling and animation tool.


From Fantasy To Virtual Reality: An Exploration Of Modeling, Rigging And Animating Characters For Video Games, Sarah K. Williams Jan 2016

From Fantasy To Virtual Reality: An Exploration Of Modeling, Rigging And Animating Characters For Video Games, Sarah K. Williams

Senior Independent Study Theses

In the last few decades video games have quickly become one of the most popular forms of entertainment around the world. This can be linked to the improvement of computer systems and graphics which now allow for authentic and highly detailed computer generated characters. This project examines how these characters are modeled and developed. The examination of game characters entails a brief history of video games and their aesthetics. The foundations of character design are discussed and 3D modeling of a character is explored in detail. Finally, rigging or skeleton placement is investigated in order to animate the characters designed …


Hydraulic Conductivity As A Proxy For Drainage System Connectivity In A Subglacial Hydrology Model, Jacob Z. Downs Jan 2016

Hydraulic Conductivity As A Proxy For Drainage System Connectivity In A Subglacial Hydrology Model, Jacob Z. Downs

Graduate Student Theses, Dissertations, & Professional Papers

The link between subglacial hydrology and basal sliding has prompted work on basal hydrology models with water pressure and storage as prognostic variables. We find that a commonly used model of distributed drainage through linked cavities underpredicts winter water pressure when compared to borehole observations from Issunguata Sermia in Western Central Greenland. Possible causes for this discrepancy including unrealistic model inputs or unconstrained parameters are investigated through a series of modeling experiments on both synthetic and realistic ice sheet geometries. We find that conductivity acts as a proxy for the connectivity of the linked cavity system and should therefore change …