Now showing items 1-10 of 34503
A machine vision system for classifying rectangular cabinet frames
(Virginia Tech, 1994-08-18)
This thesis describes a machine vision solution to an industrial classification task. The specific problem is the identification of kitchen cabinet frames that travel on a conveyor belt. For these components, it is possible ...
Graduate School Review of ETDs
Loblolly pine response to drainage and fertilization of hydric soils
(Virginia Tech, 1993-06-04)
<p>Loblolly pine (<i>Pinus taeda</i>) productivity on wet flats of the lower coastal plain of Virginia is largely affected by the presence of high water tables and infertile soil. Site preparation by bedding and ditching ...
Comparing LED Lighting Systems in the Detection and Color Recognition of Roadway Objects
(Virginia Tech, 2011-05-11)
This study compared two LED luminaires and their abilities to provide detection distance and color recognition distance of potential roadway hazard. Detection distance is regarded as a metric of visibility. Color recognition ...
Development of a Web-Based System for Water Quality Data Management and Visualization
(Virginia Tech, 2010-05-03)
With increasing urbanization and population growth, humankind faces multiple environmental challenges. Stresses on limited resources, especially water resources, are now greater than ever before. Watershed monitoring and ...
Fabrication of Three-Dimensionally Independent Microchannels Using a Single Mask Aimed at On-Chip Microprocessor Cooling
(Virginia Tech, 2007-11-28)
A novel fabrication process is presented which allows for three-dimensionally independent features to be etched in silicon using SF6 gas in a deep reactive ion etcher (DRIE) after a single etch step. The mechanism allowing ...
Virtual Clicker - A Tool for Classroom Interaction and Assessment
(Virginia Tech, 2011-12-02)
Actively engaging students in the classroom and promoting their interaction, both amongst themselves and with the instructor, is an important aspect to student learning. Research has demonstrated that student learning ...
The Development of a Social Anxiety Measure for Adolescents and Adults with ASD
(Virginia Tech, 2011-05-03)
Despite numerous studies documenting the high prevalence of social anxiety in children and adolescents with High Functioning Autism Spectrum Disorder (HFASD), there has been little empirical investigation into methods for ...
Characterization of Shear Strengths and Microstructures for Solid Rocket Motor Insulation Materials
(Virginia Tech, 2007-11-29)
As advances in solid rocket technology push rocket motors to more extreme operating speeds and temperatures, it becomes increasingly important to have well-designed material systems capable of surviving these harsh conditions. ...
Salmonella Internalization From Contaminated Seeds or Irrigation Water in Greenhouse Tomatoes
(Virginia Tech, 2006-11-17)
Greenhouse grown tomato fruits and tissues were tested for the presence of Salmonella after the plants had been treated with Salmonella contaminated irrigation water or grown from contaminated seeds. Greenhouse grown tomato ...