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Autonomous Drones Could Speed Up Search And Rescue After Flash Floods, Hurricanes And Other Disasters, Vijayan Asari
Autonomous Drones Could Speed Up Search And Rescue After Flash Floods, Hurricanes And Other Disasters, Vijayan Asari
Materials from the University of Dayton Magazine Website
By mimicking the human brain, autonomous drones could locate victims in hard-to-reach places and alert responders to their location within seconds, writes professor Vijayan Asari.
Application Of Tilt Correlation Statistics To Anisoplanatic Optical Turbulence Modeling And Mitigation, Russell C. Hardie, Michael A. Rucci, Santasri Bose-Pillai, Richard Van Hook
Application Of Tilt Correlation Statistics To Anisoplanatic Optical Turbulence Modeling And Mitigation, Russell C. Hardie, Michael A. Rucci, Santasri Bose-Pillai, Richard Van Hook
Electrical and Computer Engineering Faculty Publications
Atmospheric optical turbulence can be a significant source of image degradation, particularly in long range imaging applications. Many turbulence mitigation algorithms rely on an optical transfer function (OTF) model that includes the Fried parameter. We present anisoplanatic tilt statistics for spherical wave propagation. We transform these into 2D autocorrelation functions that can inform turbulence modeling and mitigation algorithms. Using these, we construct an OTF model that accounts for image registration. We also propose a spectral ratio Fried parameter estimation algorithm that is robust to camera motion and requires no specialized scene content or sources. We employ the Fried parameter estimation …
Scene Motion Detection In Imagery With Anisoplanatic Optical Turbulence Using A Tilt-Variance-Based Gaussian Mixture Model, Richard L. Van Hook, Russell C. Hardie
Scene Motion Detection In Imagery With Anisoplanatic Optical Turbulence Using A Tilt-Variance-Based Gaussian Mixture Model, Richard L. Van Hook, Russell C. Hardie
Electrical and Computer Engineering Faculty Publications
In long-range imaging applications, anisoplanatic atmospheric optical turbulence imparts spatially- and temporally varying blur and geometric distortions in acquired imagery. The ability to distinguish true scene motion from turbulence warping is important for many image-processing and analysis tasks. The authors present a scenemotion detection algorithm specifically designed to operate in the presence of anisoplanatic optical turbulence. The method models intensity fluctuations in each pixel with a Gaussian mixture model (GMM). The GMM uses knowledge of the turbulence tilt-variance statistics. We provide both quantitative and qualitative performance analyses and compare the proposed method to several state-of-the art algorithms. The image data …
University Of Dayton Magazine, Autumn 2021, University Of Dayton
University Of Dayton Magazine, Autumn 2021, University Of Dayton
University of Dayton Alumni Publications
The University of Dayton Magazine is published quarterly by the Office of University Marketing and Communications for alumni, parents, students, faculty/staff, trustees and other friends of UD.
Simulation Of Anisoplanatic Lucky Look Imaging And Statistics Through Optical Turbulence Using Numerical Wave Propagation, Michael A. Rucci, Russell C. Hardie, Richard K. Martin
Simulation Of Anisoplanatic Lucky Look Imaging And Statistics Through Optical Turbulence Using Numerical Wave Propagation, Michael A. Rucci, Russell C. Hardie, Richard K. Martin
Electrical and Computer Engineering Faculty Publications
This paper investigates anisoplanatic numerical wave simulation in the context of lucky look imaging. We demonstrate that numerical wave propagation can produce root mean square (RMS) wavefront distributions and probability of lucky look (PLL) statistics that are consistent with Kolmogorov theory. However, the simulated RMS statistics are sensitive to the sampling parameters used in the propagation window. To address this, we propose and validate a new sample spacing rule based on the point source bandwidth used in the propagation and the level of atmospheric turbulence. We use the tuned simulator to parameterize the wavefront RMS probability density function as a …
Advancing Energy Efficiency In Solar Systems: A Comparative Study Of Microchannel Heat Sink Cooling Method For Photovoltaic Cells, Vibhu Sharma
Mechanical and Aerospace Engineering Graduate Student Publications
In the pursuit of renewable energy solutions, solar photovoltaic systems have emerged as a key player in generating clean electricity. However, high operating temperatures pose a significant challenge to their efficiency and longevity, particularly in concentrated photovoltaic (CPV) systems. This paper reviews and evaluates various cooling strategies, from natural air cooling to advanced techniques like phase change materials, liquid immersion, and jet impingement, to maintain optimal operating temperatures for solar cells. Our study assesses the impact of these cooling methods on PV system performance, cost, and environmental implications. We find that microchannel cooling significantly improves thermal performance, resulting in notable …
Mummy's Love Letter, Julie Grenness
Mummy's Love Letter, Julie Grenness
Erma Bombeck Writers' Workshop Blog
Finally, Chantelle turned 21. She would now open the sacred letter her mother composed after her birth.
One Community. One Family., Eric F. Spina
One Community. One Family., Eric F. Spina
President's Blog: From the Heart
"The future holds every possibility you hold in your hearts today," I told the class of 2025 at the New Student Convocation. "The journey begins now."
Analytical Model For Electromagnetic Induction In Pulsating Ferrofluid Pipe Flows, Huiyu Wang, John G. Monroe, Swati Kumari, Serhiy O. Leontsev, Erick S. Vasquez, Scott M. Thompson, Matthew J. Berg, Dibbon Keith Walters, Keisha B. Walters
Analytical Model For Electromagnetic Induction In Pulsating Ferrofluid Pipe Flows, Huiyu Wang, John G. Monroe, Swati Kumari, Serhiy O. Leontsev, Erick S. Vasquez, Scott M. Thompson, Matthew J. Berg, Dibbon Keith Walters, Keisha B. Walters
Chemical and Materials Engineering Faculty Publications
No abstract provided.
Ud Sees Record Overall Enrollment, Most Diverse Student Body, University Of Dayton
Ud Sees Record Overall Enrollment, Most Diverse Student Body, University Of Dayton
News Releases
The University of Dayton enters the 2021-22 academic year with record overall enrollment and its most diverse student body in history.
The Internet Archive Has Been Fighting For 25 Years To Keep What's On The Web From Disappearing - And You Can Help, Kayla Harris, Christina Beis
The Internet Archive Has Been Fighting For 25 Years To Keep What's On The Web From Disappearing - And You Can Help, Kayla Harris, Christina Beis
Materials from the University of Dayton Magazine Website
Portions of the internet disappear every day. Preservation of this historical record requires a proactive approach by archivists and everyday citizens, write three University professors and librarians.
College Faculty In The News: Aug. 16, 2021, University Of Dayton
College Faculty In The News: Aug. 16, 2021, University Of Dayton
College of Arts and Sciences Newsroom
News agencies across the region, the nation and throughout the world often reach out to our faculty experts for their perspectives on today's issues. This media coverage highlights the service, research and scholarship taking place in the College of Arts and Sciences. Find links to a number of recent stories below.
Proceedings Of The 2021 Berry Summer Thesis Institute, University Of Dayton. University Honors Program
Proceedings Of The 2021 Berry Summer Thesis Institute, University Of Dayton. University Honors Program
Proceedings of the Berry Summer Thesis Institute (2013-Present)
Thanks to a gift from the Berry Family Foundation and the Berry family, the University Honors Program launched the Berry Summer Thesis Institute in 2012. The institute introduces students in the University Honors Program to intensive research, scholarship opportunities and professional development. Each student pursues a 12-week summer thesis research project under the guidance of a UD faculty mentor. This contains the product of the students' research.
The Internet Archive Has Been Fighting For 25 Years To Keep What's On The Web From Disappearing - And You Can Help, Kayla Harris, Stephanie Shreffler, Christina A. Beis
The Internet Archive Has Been Fighting For 25 Years To Keep What's On The Web From Disappearing - And You Can Help, Kayla Harris, Stephanie Shreffler, Christina A. Beis
Marian Library Faculty Publications
Increasingly, much of daily life is conducted online. School, work, communication with friends and family, as well as news and images, are accessed through a variety of websites. Information that once was printed, physically mailed or kept in photo albums and notebooks may now be available only online. The COVID-19 pandemic has pushed even more interactions to the web. You may not realize portions of the internet are constantly disappearing. As librarians and archivists, we strengthen collective memory by preserving materials that document the cultural heritage of society, including on the web. You can help us save the internet, too, …
A Peculiar Senior Season, Alayna Yates
A Peculiar Senior Season, Alayna Yates
Materials from the University of Dayton Magazine Website
For some, there’s a do-over.
Remembered, Michelle Tedford
Remembered, Michelle Tedford
Materials from the University of Dayton Magazine Website
Remembering the lives of University of Dayton faculty and staff.
University Of Dayton Launches Donor-Funded Urban Forest Fellowship Program To Engage Underserved High School Students In City’S Ecosystems, Dave Larsen
College of Arts and Sciences Newsroom
A new University of Dayton initiative to connect Dayton high school students to the city’s urban forests sprouted from a donor’s small gift to the College of Arts and Sciences
University Of Dayton Russian Instructor Translates Letters Written By Her Father, A Red Army Soldier, From The Front During Wwii, Dave Larsen
College of Arts and Sciences Newsroom
Translating Russian texts to English is nothing new for Tatiana Liaugminas, who has taught Russian at the University of Dayton for more than 40 years. But her most recent project was personal — translating recently discovered letters written by her late father, a Red Army soldier, from the front during World War II.
Unbiased Automated Quantitation Of Ros Signals In Live Retinal Neurons Of Drosophila Using Fiji/Imagej, Prajakta Deshpande, Neha Gogia, Anuradha Venkatakrishnan Chimata, Amit Singh
Unbiased Automated Quantitation Of Ros Signals In Live Retinal Neurons Of Drosophila Using Fiji/Imagej, Prajakta Deshpande, Neha Gogia, Anuradha Venkatakrishnan Chimata, Amit Singh
Biology Faculty Publications
Numerous imaging modules are utilized to study changes that occur during cellular processes. Besides qualitative (immunohistochemical) or semiquantitative (Western blot) approaches, direct quantitation method(s) for detecting and analyzing signal intensities for disease(s) biomarkers are lacking. Thus, there is a need to develop method(s) to quantitate specific signals and eliminate noise during live tissue imaging. An increase in reactive oxygen species (ROS) such as superoxide (O2•-) radicals results in oxidative damage of biomolecules, which leads to oxidative stress. This can be detected by dihydroethidium staining in live tissue(s), which does not rely on fixation and helps prevent stress on tissues. However, …
Wavelength And Power Dependence On Multilevel Behavior Of Phase Change Materials, Gary A. Sevison, Joshua A. Burrow, Haiyun Guo, Andrew M. Sarangan, Joshua R. Hendrickson, Imad Agha
Wavelength And Power Dependence On Multilevel Behavior Of Phase Change Materials, Gary A. Sevison, Joshua A. Burrow, Haiyun Guo, Andrew M. Sarangan, Joshua R. Hendrickson, Imad Agha
Electro-Optics and Photonics Faculty Publications
We experimentally probe the multilevel response of GeTe, Ge2Sb2Te5 (GST), and 4% tungsten-doped GST (W-GST) phase change materials (PCMs) using two wavelengths of light: 1550 nm, which is useful for telecom-applications, and near-infrared 780 nm, which is a standard wavelength for many experiments in atomic and molecular physics. We find that the materials behave differently with the excitation at the different wavelengths and identify useful applications for each material and wavelength. We discuss thickness variation in the thin films used as well and comment on the interaction of the interface between the material and the substrate with regard to the …
Hanley Sustainability Institute Strategic Plan, University Of Dayton, Hanley Sustainability Institute
Hanley Sustainability Institute Strategic Plan, University Of Dayton, Hanley Sustainability Institute
Hanley Sustainability Institute Documents, Reports and Promotional Materials
No abstract provided.
Ud In The News July 23-30, University Of Dayton
Ud In The News July 23-30, University Of Dayton
News Releases
The Dayton Business Journal wrote about the Industrial Assessment Center's U.S. Department of Energy grant to perform energy assessments for manufacturers. Auto historian John Heitmann lent his expertise to The Wall Street Journal for a story also picked up by Fox Business.
Industrial Assessment Center Selected To Receive U.S. Department Of Energy Grant, University Of Dayton
Industrial Assessment Center Selected To Receive U.S. Department Of Energy Grant, University Of Dayton
News Releases
The University of Dayton Industrial Assessment Center has been selected to receive nearly $2 million from the U.S. Department of Energy to continue free energy assessments for small- to mid-sized manufacturers in the region and train the next generation of energy-engineering professionals.
The Trouble With Tupperware, Curt Macdougall
The Trouble With Tupperware, Curt Macdougall
Erma Bombeck Writers' Workshop Blog
Good organizational skills are said to be a sign of intelligence. So I’m guessing my inability to keep a tidy Tupperware cupboard doesn’t bode well for my Mensa application.
Overcoming Obstacles: Dayton Women Inventors, Bridget Retzloff, Heidi Gauder
Overcoming Obstacles: Dayton Women Inventors, Bridget Retzloff, Heidi Gauder
University Libraries Blog Archive
Upstaged and underrecognized in a region of research, Dayton women innovators persisted in their patent pursuits.
Be The Change, Eric F. Spina
Be The Change, Eric F. Spina
Materials from the University of Dayton Magazine Website
President Eric F. Spina reflects on the words that began and ended the campus experience of the Flyers from the Class of 2021.
See, University Of Dayton
See, University Of Dayton
Materials from the University of Dayton Magazine Website
Alumni share dance, advertising, art and more for us to see and enjoy in this feature story about creative Flyers.
“The Child Is Father Of The Man”, Thomas M. Columbus
“The Child Is Father Of The Man”, Thomas M. Columbus
Materials from the University of Dayton Magazine Website
Wordsworth said it. Director Jonathan Judge ’93 lives it.
“Everything You Need In Life Is On Your Bike”, Debbie Juniewicz
“Everything You Need In Life Is On Your Bike”, Debbie Juniewicz
Materials from the University of Dayton Magazine Website
Jay Kinsinger ’92 merged his love of riding with a passion for building. Take a look at the beauty of his wooden bicycles.
Flyer Ride, Debbie Juniewicz
Flyer Ride, Debbie Juniewicz
Materials from the University of Dayton Magazine Website
Wooden-framed bicycles bring together two grads with passions for woodworking.