This dissertation addresses a number of inter-related and fundamental problems in computer vision. Specifically, we address object discovery, recognition, segmentation, and 3D pose estimation in images, as well as 3D scene reconstruction and scene interpretation. The key ideas behind our approaches include using shape as a basic object feature, and...
This dissertation addresses two fundamental problems in computer vision—namely,
multitarget tracking and event recognition in videos. These problems are challenging
because uncertainty may arise from a host of sources, including motion blur,
occlusions, and dynamic cluttered backgrounds. We show that these challenges can be
successfully addressed by using a multiscale,...
The imperfections of the propagation channel due to channel fading and the self-generated noise from the RF front-end of the receiver cause errors in the received signal in electronic communication systems. When network coding is applied, more errors occur because of error propagation due to the inexact decoding process. In...
In recent years, there has been renewed interest in black raspberry (Rubus
occidentalis L.) breeding. This has been spurred, in part, by an increase in black
raspberry consumption due to studies that have shown them to be particularly high in
anthocyanin content indicating high levels of antioxidants. Present cultivars are...
This qualitative study explores the "coming out" experience of gay males raised in conservative Christian environments. Seven men with varying ethnic and racial backgrounds, between the ages of 20 and 40 years old, participated. Each was raised in a conservative, Christian environment during his formative years and each was now...
Science inquiry is central to the science education reform efforts that began in the early 1990's. It is both a topic of instruction and a process to be experienced. Student engagement in the process of scientific inquiry was the focus of this study. The process of scientific inquiry can be...
Purpose: Stereotactic radiation therapy and stereotactic radiosurgery deliver radiation precisely to tumors, using special equipment to position and demobilize patients. The VisionRT system, with its component AlignRT, is a non-invasive stereotactic positioning and tracking system that uses cameras to capture infra-red images of patients, and process these images, to obtain...
A succinct reference for the home gardener or small-scale grower on how grapes grow; how to establish a planting; how to maintain an established planting, including pruning and training; tips for harvest; and how to reduce risk of damage to grape plants from winter cold, pests, and disease. Includes a...
Health care and immigration in the United States are complex and
controversial topics. Undocumented immigrants have to overcome numerous
barriers in order to gain access to health care services. This study examines the
personal experiences of undocumented immigrants in Oregon and how they
sought out care and overcame these barriers....
This study uses the Health Impact Assessment approach to determine the health impacts of allowing accessory dwelling units in Benton County, Oregon. A literature review presents the health benefits of accessory dwelling units in urban areas and identifies the potential negative health effects in rural areas. Five accessory dwelling units...
Record for 4-H food and nutrition project. Revised July 2008. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
4-H advancement programs consist of a series of steps that provide a framework for progressive learning within a specific project area. Advancement programs encourage 4-H members to learn at their own speed based on their interests and abilities. Advancement programs are self-paced and age- and skill-level appropriate. Advancement programs also...
Prostate cancer is the second leading cause of cancer related death in American men. Epidemiologic studies suggest that cruciferous vegetable intake may lower the risk for many cancers, including prostate and colon. Isothiocyanates (ITC) are phytochemicals derived from cruciferous vegetables such as broccoli, Brussels sprouts, cauliflower, and cabbage that may...
In the majority of management scenarios, it is imperative that beef replacement heifers calve at two years of age. In order to achieve this goal, yearling heifers should reach 60 to 65% of their mature body weight by 13 months of age. Feed costs represent 75 to 80% of the...
Record for 4-H dance project. Published August 2008. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The purpose of this study is to identify factors that support the likelihood of persistence of academically underprepared community college students to 45 college level credits. Factors considered in this research include: (a) race/ethnicity, (b) age, (c) enrollment status, (d) socio-economic status (SES), (e) first quarter GPA, (f) developmental need,...
Chronic hepatitis B disproportionately affects Asian Americans. Although Asians make up only 4.2% of the total United States (U.S.) population, they account for more than half of those infected with hepatitis B. If left untreated, chronic hepatitis B could lead to cirrhosis, liver damage, and liver cancer. Studies show that...
Eliminating physical activity disparities among ethnic minorities in the U.S. is important. Cultural differences have been found to be plausible contributing factors associated with such disparities. Therefore it is important to investigate and understand the mechanisms by which diverse aspects of cultural experiences affect physical activity participation among ethnic minorities,...
The Human Immunodeficiency Virus -1 (HIV-1) has been the source of substantial human misery since it was first discovered in the early 1980s. Despite remarkable progress that has been made towards understanding HIV- 1, there is no cure, no vaccine and life-prolonging therapies are beyond the reach of millions in...
4-H Adventures is an informal educational program designed for children in grades K–3. The program supports young children’s natural curiosity, enthusiasm for learning, and high energy levels by giving them an opportunity for active learning. The 4-H Adventures program encourages children to have fun, develop friendships, and learn about their...
There is little current research in reading instruction for gifted learners. Children who are identified as gifted in reading are often left to their own devices or provided inadequate reading/literacy instruction (Ries et al., 2004). The purpose of this project was to determine how parents of gifted children and gifted...
The prevalence of exercise-induced menstrual dysfunction (ExMD) ranges between 6-79% in endurance-trained women and may result from a low energy availability (EA; kcal/kgFFM/d). EA is the energy remaining after planned exercise, which is available for basic physiological processes and daily living activities. One mechanism for energy conservation may be a...
In this dissertation, I explored how social relationships influence, and are influenced by, men's experiences of caregiving to their aging parents. Because of sociodemographic trends such as fewer siblings in younger generations and the growth of women seeking professional careers, men are increasingly likely to be called upon to meet...
This thesis examined the identity transitions that occurred prior to enrollment at a predominantly, White, large, public research university and after completing at least one year of college for students who identify as multiracial. As a secondary purpose, this thesis also examined whether these students sought support through groups that...
Sex on television has nearly doubled since 1998 while sexual risk and responsibly messages have decreased. During this time frame, television watching has become one of the most popular pastimes in the United States, especially among Black/African Americans. Black youth are more likely to report higher levels of satisfaction with...
The complexity of modern environmental problems has increased appeals for including scientific research and findings in natural resource policy decision making. Though scientists, resource managers, interest groups, and the general public support more science-based environmental policy, these preferences have been accompanied by growing calls for decentralization and democratization of policy...
Around the globe, an array of alternative agrifood movements has emerged largely in response to the ecological and socio-economic threat caused by industrialized agricultural processes. From organic agriculture, to Slow Food, Locavore, and the Food Sovereignty movement, people around the world are reasserting their right to healthy and culturally appropriate...
Armyworm caterpillars can be a troublesome pest in cereal grains grown in the Pacific Northwest states. This publication presents information about the pest and its control.
Literacy projects can lead to community empowerment, particularly when roundtable discussions initiate goals and students draw on their experiences and strengths to serve as "literacy ambassadors." In the two following linked manuscripts, I make my case for a literacy ambassador model of literacy service learning project that engages communities and...
The purpose of this study is to identify promising practices for the transferability of professional/technical coursework taken at a community college to related programs at universities. The main research question sought to identify the salient elements in existing models of transfer. Supporting the main question, sub-questions sought to identify obstacles...
Colloids, particles smaller than ten microns in diameter, are ubiquitous in the subsurface. Colloids have an effect on the transport of contaminants that bind to their surfaces, and can reduce the permeability of aquifer materials through deposition. Some microorganisms, including pathogens, are also transported in the subsurface as colloids. The...
Montane meadows in the western Cascades of Oregon occupy approximately 5% of the landscape, but contribute greatly to the region's biodiversity. Western Cascades meadows are dynamic parts of the landscape and have contracted by over 50% in the past two hundred years in the HJ Andrews Experimental Forest (hereafter Andrews...
Pseudomonas aeruginosa is an environmental bacterium as well as an opportunistic pathogen that primarily infects immunocompromised individuals, including those suffering from cystic fibrosis. The density-dependent regulation of gene expression via cell-to-cell communication, also termed quorum sensing (QS), is an important virulence determinant in this organism. Generally, P. aeruginosa uses three...
This dissertation presents results from three studies that address major scientific questions in glacial geology and paleoclimatology for the late Pleistocene and Holocene using relatively new geochemical and statistical techniques. Each of the studies attempts to answer a longstanding question in the respective field using geochemical or statistical methods that...
In support of these goals, we are pleased to offer you two series of newsletters titled Family Fun and Family Connections. Both sets complement the six learning areas in the Off to Adventure curriculum.
Each Family Fun newsletter provides an overview of a learning area, suggests enjoyable family activities, and...
A publication containing advice on a wide range of gardening topics, including composting, container gardens, fall/winter gardens, fertilizing, insect pests, plant diseases, planting guidelines, raised beds, site selection, slugs, soil improvement, tilling, warm-season crops, watering, and weeds. Includes regional tips for various parts of Oregon.
Recently concerns over anthropogenic carbon pollution have received increased global attention and research in forest biomass and carbon sequestration has gained momentum. Light Detection and Ranging (LiDAR) remote sensing has in the last decade demonstrated forest measurement and biomass estimation potential. The project objective was to compare LiDAR forest biomass...
Interest in social-emotional and character development (SECD) programming has intensified in recent years. SECD-related programs often seek to enhance a variety of health-related outcomes by addressing multiple influences and embracing a comprehensive approach that includes youth, school personnel, families, and communities. Alongside a comprehensive approach arises the need for a...
Cyclic nitramines released into all environmental compartments through anthropogenic activities are toxic and possibly carcinogenic and mutagenic. Soils on military ranges, located throughout the world in various climatic regions and close to human activities, are especially susceptible to cyclic nitramine contamination. The properties of soils on military ranges will directly...
Parallel processors are classified into two classes: shared-memory multiprocessors and distributed- memory multiprocessors. In the shared-memory system, processors communicate through a common memory unit. However, in the distributed multiprocessor system, each processor has its own memory unit and the communications among the processors are performed through an interconnection network. Thus,...
Welcome to 4-H Ceramics! We prepared this manual to provide you with a basic knowledge of cast ceramics. Ceramics is defined as anything fired in a kiln. A kiln is an oven or furnace in which clay products are baked. Ceramics may be pottery, brick, enamel, glass, sewer pipe, tile,...
Welcome to Unit II of Wood Science, THE WONDERFUL WORLD OF WOOD!
This is the second in the series of 4-H Wood Science manuals. If you have completed Wood Science I, you probably are asking, “Now what?” Wood Science can be so interesting and challenging that you never really finish....
The 4-H Shooting Sports Program strives to enable young people, their
parents, and adult volunteers to become responsible, self-directed, and productive members of society. Agents, leaders, instructors, and coaches must understand the goals and objectives of the program in order to manage or present it properly. These goals and objectives...
Geology (Geo, Geos = the earth) is a science that deals with the history of the earth and its life as recorded in the rocks. Geology utilizes the principles of physics, chemistry, astronomy, zoology, botany, and others in its studies. There are many specialties or fields of study in geology,...
Oregon is a wonderful state. Forested land is found in every region. It's good to know about the types of plants and land use that dominate your home state. The goals of the Oregon 4-H Forestry Project are to give factual, science-based information about forests and to give you a...
This publication contains the 4-H Natural Science Project Record (4-H 303LR-a) and a complete set of specific project data sheets. In addition to the 4-H Natural Science Project Record, members may choose to use the specific data sheets with their project of choice. Please photocopy data sheets for members who...
Discusses recent trends in hunger and food insecurity in Oregon and the Northwest. Compares data for metro and nonmetro areas, and looks at the affect of employment type on rates of food insecurity.
Forests in the Pacific Northwest receive very little nitrogen through atmospheric deposition and thus studying the nitrogen cycle in this region can provide insights into how the unpolluted nitrogen cycle functions. I examined the fate of organic nitrogen versus inorganic nitrogen and the effect of tamlins on N retention by...