Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 134 for “"Looming"”.
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Looming object detection with event-based cameras
We present a looming object detection method for event-based cameras. Event-based cameras detect events asynchronously which eliminates the unnecessary computation required for the conventional frame-based cameras. There are two main parts of this method. In the first part, we develop an …
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Time-to-Collision of Looming Spherical Objects: Tau Revisited
… <p>In Study II, observers estimated TTC of a looming target in the presence or absence of background expansion. Results demonstrated that participants overestimated TTC in situations where the surroundings of the target’s contours expanded at a reduced rate. Moreover, simulated self-motion was …
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Collision avoidance behaviour in a pair of flying locusts (Locusta migratoria L.)
… visual cues such as translating, receding and looming stimuli, produced by self-motion as well as object motion in the environment. A rapidly approaching conspecific or a predator represents a looming object approaching on a collision course and is involved in triggering urgent collision …
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A Long Low Whistle in the Distance
… through this change in her life. Between the looming dream of reuniting with her father, and coming to terms with the new stage in her life Erin is learning how to accept herself and others.</p>
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Adaptation to a linear vection stimulus in a virtual reality environment
… served as a supporting study, examining human "looming linear vection" responses produced by a virtual checkerboard hallway scene moving towards the observer. In the Earth's gravity environment, the input of the vestibular system can be explored by setting the subject's body orientation (and …
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Variations in Time-Dependent Mosquito-Host Interactions Across Aedes Species
… mosquito (Aedes aegypti). We introduced a looming visual stimulus in an LED arena and found Aedes aegypti to be more responsive to the looming stimulus than Aedes japonicus. Finally, the underlying mechanisms that mediate this threat detection and escape behavior were examined, revealing a …
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Response to visual threats in Aedes aegypti mosquitoes
… in the context of escape behavior, we used a looming stimulus to elicit escape responses from the Yellow Fever mosquito, Aedes aegypti. A virtual reality environment was adapted from previous work, to display the looming stimulus while the mosquito is in a variety of conditions (i.e., landed, …
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Effective language arts teachers of urban african american middle school students in the greater detroit area
… supplies for students and teachers. Despite looming layoffs, closing schools, consolidations, and increased academic demands, there is a group of teachers in every urban district that consistently get results. The purpose of this qualitative study was to identify the beliefs, backgrounds, and …
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Places: a columbarium and chapel in Lynchburg's Old City Cemetery
… boxwoods and filled with majestic sugar maples looming over rows of small stone markers, is the main attraction. But for others, the cemetery is a place of solitude. Panoramic views of the distant mountains and the timeless essence of this "garden cemetery" provide an atmosphere for …
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VISUAL RECOGNITION OF THE STATIONARY ENVIRONMENT IN LEOPARD FROGS
… to recognize and respond to moving prey and looming objects. Nonetheless, atectal frogs are still able to appropriately respond to non-moving aspects of their environment. There appears to be independent visual systems operating in the frog: one system for recognizing moving objects; and …
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Raising the Standards of Emergency Preparedness at the University of San Francisco
<p>With a major earthquake seemingly looming over the San Francisco bay area, the University of San Francisco faces the challenge of surviving such an event and returning to normal operations as soon possible for both health and economic benefits. To address the potential concern, the university …
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Biodiversity and Business: who will save whom?
… to the climate question. Another crisis is looming, often described as the “sister crisis” of climate: biodiversity. This thesis explores how business and biodiversity are interdependent and can sustain each other. First, it establishes that biodiversity will save business. As a matter of …
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Land, sea, and sky : environmental histories and planning conflicts in East Boston
… a dilapidated playground a symbol of neglect, a looming condominium complex a represented betrayal. In reality, there are no neutral objects. A neighborhood is not simply an artful arrangement of homes, streets, parks, schools or shops. In reality, is composed of the stories residents tell. …
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The people or the place? : revitalization / gentrification in San Francisco's Bayview Hunters Point
… residents. With the specter of gentrification looming over these new projects, how can the community ensure that benefits arising from ecological clean-up and neighborhood reinvestment are borne by them, and not gentrifying newcomers? This thesis explores the process of community planning and …
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Characterizing bacterial antibiotic resistance, prevalence, and persistence in the marine environment
… of antibiotic resistance, which has caused a looming antibiotic resistance crisis, where antibiotics may not work. Understanding resistance patterns is critical to allow for continued therapeutic use of antibiotics. While resistance is often thought of in hospitals, antibiotics and antibiotic …
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Starting point : a community of practice for Canada's environmental education network leaders
… that North America's non-profit sector faces a looming leadership crisis as its executive leaders are subjected to escalating anxiety, burnout, and feelings of isolation (Cornelius, Moyers, & Bell, 2011). Peer support networks, alternately known as a CoP, have been proposed as a potential means …
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Datastructures: Physical form for community knowledge
… I propose a number of alternatives to these looming problems. The proposals result from investigations into basic structural properties of information, especially as expressed in academic research and publication, where meaning is largely the result of linking ("this idea furthers this …
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Predictors of Addiction Treatment Attrition
… completion rates remain relatively low, looming around 50%. In order for treatment programs to be more effective, it is imperative that risk factors for attrition are identified, and that programs strive to combat these risks through personalized engagement and individually tailored …
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