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Articles 3241 - 3270 of 5172
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Methods Of Season Extension For Market Gardeners, Natalie R. Bumgarner
Methods Of Season Extension For Market Gardeners, Natalie R. Bumgarner
Graduate Theses, Dissertations, and Problem Reports (ETD)
Season extension methods have been used in many climates and crops for centuries on all scales of vegetable production. Our research compared the effect of six season extension methods on soil and ambient temperatures and yields of warm and cool season vegetables in organic production. The methods under investigation in field plots were row cover, row cover with water tubes, low tunnel, low tunnel with water tubes, and a control for comparison, which were all replicated three times in field plots. The cold frame, and cold frame with water buffer treatments were replicated once in separate structures. Radishes, lettuce, peppers, …
Reproductive Consequences Of Exposure To Sediment Extracts From The South Branch Of The Potomac River On Japanese Medaka (Oryzias Latipes), Seth R. Davis
Graduate Theses, Dissertations, and Problem Reports (ETD)
An intersex condition, defined as the presence of oocytes in the testes of male gonochoristic fish, has been observed in smallmouth bass in the South Branch of the Potomac River, West Virginia, which indicates exposure to exogenous estrogens. Endocrine disrupting chemicals (EDC's) are generally hydrophobic and would tend to be found within the sediment of aquatic environments. Few studies have attempted to show the effects of exposure to EDC's on fish using sediment chemical extracts. We have developed a mass sediment extraction technique using 2 solvents (hexane, ethyl acetate:acetone 50:50) to determine the effects of extracted chemicals from three sites …
Three-Dimensional, High Resolution, Computerized Ionospheric Tomographic Imaging And Computational Modeling Of An Artificial Ionospheric Cavity, Craig A. Selcher
Three-Dimensional, High Resolution, Computerized Ionospheric Tomographic Imaging And Computational Modeling Of An Artificial Ionospheric Cavity, Craig A. Selcher
Graduate Theses, Dissertations, and Problem Reports (ETD)
Tomographic techniques use line integral measurements to reconstruct local values of the measured parameter. These techniques have been applied to the ionosphere by using radio transmissions to measure the integral of electron density between a satellite and a chain of ground-based receiving stations. The resultant reconstructions form a two-dimensional map of the electron density in the plane of the satellite/receiver chain. Insufficient quantity of receivers and not having a complete range of accessible look angles with the available receivers are responsible for the non-uniqueness in the reconstructions. The limited look angle problem can be alleviated by making use of alternative …
Application Of The Emotional Intelligence Construct To College Student Binge Drinking, Jeffrey P. Dulko
Application Of The Emotional Intelligence Construct To College Student Binge Drinking, Jeffrey P. Dulko
Graduate Theses, Dissertations, and Problem Reports (ETD)
Although extensive research has been conducted in the area of college binge drinking, relatively little has been done to study differences among alcohol-related consequences. Some initial studies have shown that binge drinking and its consequences are associated with several emotional and interpersonal factors, but there has been no comprehensive examination of these relationships. The theory of emotional intelligence (EI) has been developed recently to study emotional and interpersonal factors as an integrated construct. Research of the relationship between alcohol and EI could provide a valuable base for which to design alcohol prevention programs that target improving emotional and interpersonal deficits …
Capacity -Based Parameter Optimization Of Bandwidth Constrained Cpm, Rohit Iyer Seshadri
Capacity -Based Parameter Optimization Of Bandwidth Constrained Cpm, Rohit Iyer Seshadri
Graduate Theses, Dissertations, and Problem Reports (ETD)
Continuous phase modulation (CPM) is an attractive modulation choice for bandwidth limited systems due to its small side lobes, fast spectral decay and the ability to be noncoherently detected. Furthermore, the constant envelope property of CPM permits highly power efficient amplification. The design of bit-interleaved coded continuous phase modulation is characterized by the code rate, modulation order, modulation index, and pulse shape. This dissertation outlines a methodology for determining the optimal values of these parameters under bandwidth and receiver complexity constraints. The cost function used to drive the optimization is the information-theoretic minimum ratio of energy-per-bit to noise-spectral density found …
Three Essays On Corporate Liquidity, Financial Distress And Equity Returns, Fang Wang
Three Essays On Corporate Liquidity, Financial Distress And Equity Returns, Fang Wang
Graduate Theses, Dissertations, and Problem Reports (ETD)
The three essays in this dissertation study the impact of corporate liquidity on a firm's value, how corporate liquidity affects the probability of financial distress and equity returns, and whether corporate liquidity represents an idiosyncratic risk, or serves as a priced risk factor.;The first essay examines the relationship between corporate liquidity and equity returns for individual firms. It is found that firms holding more liquid assets have significantly higher equity returns. This positive relationship between corporate liquidity and equity returns is more pronounced among firms with financial constraints. In addition, firms expecting volatile cash flows stock more cash for precautionary …
Dna Damage Response Activated By Anti-Cancer Agent, Irofulven, Timothy D. Wiltshire
Dna Damage Response Activated By Anti-Cancer Agent, Irofulven, Timothy D. Wiltshire
Graduate Theses, Dissertations, and Problem Reports (ETD)
The DNA damage response is a complex network of signals that coordinate to protect cells from accumulating mutations that lead to the development of cancer. Upon the introduction of DNA damage from either environmental or endogenous sources, the DNA damage response coordinates the control of cell cycle with DNA repair mechanisms to ensure genomic integrity within the cell. Mutations in proteins in this pathway lead to genomic instability and early onset of cancer. BRCA1 is a protein that plays a critical role in response to DNA damage caused by ionizing radiation and is responsible for approximately 50% of inherited breast …
Parsimony-Based Genetic Algorithm For Haplotype Resolution And Block Partitioning, Nadezhda A. Sazonova
Parsimony-Based Genetic Algorithm For Haplotype Resolution And Block Partitioning, Nadezhda A. Sazonova
Graduate Theses, Dissertations, and Problem Reports (ETD)
This dissertation proposes a new algorithm for performing simultaneous haplotype resolution and block partitioning. The algorithm is based on genetic algorithm approach and the parsimonious principle. The multiloculs LD measure (Normalized Entropy Difference) is used as a block identification criterion. The proposed algorithm incorporates missing data is a part of the model and allows blocks of arbitrary length. In addition, the algorithm provides scores for the block boundaries which represent measures of strength of the boundaries at specific positions. The performance of the proposed algorithm was validated by running it on several publicly available data sets including the HapMap data …
Design And Real-Time Control Of Shipboard Power System Testbed, Pradeep Pant
Design And Real-Time Control Of Shipboard Power System Testbed, Pradeep Pant
Graduate Theses, Dissertations, and Problem Reports (ETD)
The objective of this thesis is to design and test a small scale testbed for the all-electric shipboard power distribution system. Shipboard power system is increasingly becoming more reconfigurable, and multi-agent systems are developed to automate routine operation and emergency reconfiguration. Underlying algorithms of these systems have been verified using software simulation tools. However, these simulators run in soft realtime by using simple mathematical models to represent the physical system. These models do not incorporate every aspect of the physical system. A testbed provides a cost effective physical environment to verify these algorithms and control techniques in the real world. …
Modeling Sediment Movement In Forested Watersheds Using Hill-Slope Attributes, Gregory W. Hamons
Modeling Sediment Movement In Forested Watersheds Using Hill-Slope Attributes, Gregory W. Hamons
Graduate Theses, Dissertations, and Problem Reports (ETD)
The amount of sediment delivered to stream channels and the determination of the topographical attributes responsible for the origination and transfer of sediment were investigated in a central Appalachian mixed hardwood forest from 2002 through 2005. Two study watersheds were chosen within the Indian Run watershed in north central West Virginia. One remained undisturbed (control) and the other underwent road construction and tree harvesting operations (treatment). Sediment samples were collected from silt fences which were installed along both sides of the stream channels in both watersheds to ensure all sediment material delivered from adjacent hill-slopes was captured and collected. Sediment …
Fractal Analysis Of Fingerprints, John C. Deal
Fractal Analysis Of Fingerprints, John C. Deal
Graduate Theses, Dissertations, and Problem Reports (ETD)
Current methods for comparing fingerprints have weaknesses that have opened them to criticism. Current methods concentrate on the comparison of minutia in the print either manually or with the assistance of a computer algorithm. This causes these methods to depend highly on the presence of minutia and their relationship to one another. Absence or rotations of minutia can prevent current methods form making accurate comparisons. The goal of this process is to develop a new method for analyzing fingerprints that addresses many of the concerns with current methods.;The developed process uses an iterated function sequence (IFS) to convert the image …
Quality Of Iris Segmentation As A Predictor Of Verification Performance, Syvale Lee
Quality Of Iris Segmentation As A Predictor Of Verification Performance, Syvale Lee
Graduate Theses, Dissertations, and Problem Reports (ETD)
In this thesis, the accuracy of iris segmentation algorithms will be compared using quality measures based on both homogeneity and heterogeneity of the resulting image regions. After calculation of the quality measures, Principal Component Analysis (PCA) is performed. The resulting pairwise distances between the genuine pairs are compared to the hamming distance scores of the iris templates. The relationship between the two samples will be examined, and curve fitting by least squares regression is shown to be an adequate method of prediction for genuine Hamming distance score. The work proposes a segmentation quality metric that is highly correlated with the …
Evaluation Of Heavy-Duty Engine Exhaust Hydrocarbon And Non-Methane Hydrocarbon Analysis Methods, Abishek Muralidharan
Evaluation Of Heavy-Duty Engine Exhaust Hydrocarbon And Non-Methane Hydrocarbon Analysis Methods, Abishek Muralidharan
Graduate Theses, Dissertations, and Problem Reports (ETD)
The harmful environmental and health effects of automobile exhaust constituents have necessitated their regulation in many countries. The constituents of concern from diesel fueled engines are oxides of nitrogen (NOx), hydrocarbons (HC), carbon monoxide (CO) and particulate matter. Hydrocarbons combine with the oxides of nitrogen in a photochemical reaction, aided by sunlight, to form ozone which is a major constituent of smog. However methane does not aid in smog formation and is excluded from the present United States on-road hydrocarbon regulation.;Flame ionization detectors (FID) are the preferred detectors for hydrocarbon measurement from compression ignition internal combustion engines. Regulatory requirement for …
Color Space Analysis For Iris Recognition, Matthew K. Monaco
Color Space Analysis For Iris Recognition, Matthew K. Monaco
Graduate Theses, Dissertations, and Problem Reports (ETD)
This thesis investigates issues related to the processing of multispectral and color infrared images of the iris. When utilizing the color bands of the electromagnetic spectrum, the eye color and the components of texture (luminosity and chromaticity) must be considered. This work examines the effect of eye color on texture-based iris recognition in both the near-IR and visible bands. A novel score level fusion algorithm for multispectral iris recognition is presented in this regard. The fusion algorithm - based on evidence that matching performance of a texture-based encoding scheme is impacted by the quality of texture within the original image …
Increased Resistance Of Escherichia Coli O157:H7 To Electron Beam Following Repetitive Irradiation At Sub-Lethal Doses And An Analysis Of Genes Of Escherichia Coli Resistance, Leah Levanduski
Graduate Theses, Dissertations, and Problem Reports (ETD)
One way that food processors in the United States control food-borne pathogens in a non-thermal manner is with the application of electron beam (e-beam) radiation. Increased resistance of Escherichia coli O157:H7 to various stressors such as pH, temperature, ionic strength, and antibiotics has been demonstrated; therefore, the objective of this study was to determine if the D10-value for E. coli O157:H7 ( E. coli) in ground beef increases due to repetitive exposure to e-beam at sub-lethal levels. Ground beef samples were inoculated with an ATCC strain of E. coli and incubated to approximately 109 CFU/g followed by e-beam processing. Survivors …
Combining Complementary Formal Verification Strategies To Improve Performance And Accuracy, David R. Owen
Combining Complementary Formal Verification Strategies To Improve Performance And Accuracy, David R. Owen
Graduate Theses, Dissertations, and Problem Reports (ETD)
Software is increasingly complex and is used in increasingly critical applications. Sophisticated techniques are available for verifying that software systems work correctly, but these techniques can be very difficult and expensive to use. Researchers have developed tools to automatically verify software models, but using these tools can still be very costly, in terms of manual effort and expertise required to build accurate models and to formally specify required properties, and also in terms of the time and memory required to run these tools. Much work has been done to simplify the process of building software models and to improve the …
Insulin-Induced Endothelial Cell Proliferation And Viability In Stretched Murine Skin And Cell Culture, Carl D. Shrader Jr.
Insulin-Induced Endothelial Cell Proliferation And Viability In Stretched Murine Skin And Cell Culture, Carl D. Shrader Jr.
Graduate Theses, Dissertations, and Problem Reports (ETD)
We developed a novel in vivo model utilizing acute stretch to investigate endothelial cell (EC) proliferation as a marker of vascular growth in healing SKH1 mouse skin. We also used human umbilical vein endothelial cells (HUVECs) as an in vitro model system to validate postulated tissue insulin-mediated signal transduction pathway(s) using paradigms that would prove lethal in the animal model.;Dorsal distally based flaps of skin were stretched for 3 min using linear (skin hook) plus hemispherical load cycling (inflated subcutaneous silicone catheter). Unstretched, wounded skin along the back and sternum served as postoperative controls. Laser Doppler flowmetry demonstrated a three-fold …
Validation Of A New Technique Of Production Data Analysis For Single And Multi-Layer Formations Under Controlled Environment, Domingo A. Mata
Validation Of A New Technique Of Production Data Analysis For Single And Multi-Layer Formations Under Controlled Environment, Domingo A. Mata
Graduate Theses, Dissertations, and Problem Reports (ETD)
Intelligent Production Data Analysis - IPDA, is a new methodology for Reservoir Characterization based only on monthly production rate data. This technique combines conventional methods of production data analysis (decline curve analysis, type curve matching and history matching) with intelligent systems. The study targets the validation of this methodology under a controlled environment, attempting three main objectives: Identifying Sweet Spots, Forecasting Reserves and recognizing under-performer wells.;The study investigates the behavior of five different reservoirs, modeled using a commercial simulator. The structure, parameters and heterogeneity of each configuration was inspired by existing formations. Records of production rate data were generated from …
Teacher Perceptions Of The Effectiveness Of The Social Studies Teacher Training Program At Tabouk Teachers' College In Saudi Arabia, Awad Hamad Alhwiti
Teacher Perceptions Of The Effectiveness Of The Social Studies Teacher Training Program At Tabouk Teachers' College In Saudi Arabia, Awad Hamad Alhwiti
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of the study was to examine and evaluate the effectiveness of the social studies teacher training program in Tabouk Teachers' College in Saudi Arabia. This research addressed six questions concerning teacher perceptions regarding the effectiveness of the teacher preparation programs in Tabouk Teachers' College. These questions examined teacher perceptions of the effectiveness of preparation they received for teaching in schools in Saudi Arabia. This study included teachers who completed student teaching and who graduated with a major in social studies. The 40-item instrument used to gather data included demographics, internship, instructor effectiveness, curriculum, teaching skills, classroom management, and …
Control Of A Swept Wing Tailless Aircraft Through Wing Morphing, Richard W. Guiler
Control Of A Swept Wing Tailless Aircraft Through Wing Morphing, Richard W. Guiler
Graduate Theses, Dissertations, and Problem Reports (ETD)
Inspired by flight in nature, work done by Lippisch, the Hortens, and Northrop offered insight to achieving the efficiency of bird flight with swept-wing tailless aircraft. Tailless designs must incorporate aerodynamic compromises for control, which have inhibited potential advantages. A morphing mechanism, capable of changing the twist of wing and that can also provide pitch, roll and yaw control for a tailless swept wing aircraft is the first step to a series of morphing techniques, which will lead to more fluid, bird-like flight. This research focuses on investigating the design of a morphing wing to improve the flight characteristics of …
The Effect Of Moisture Addition With A Mold Inhibitor On Feed Manufacture, Pellet Quality, And Broiler Performance, John M. Hott
The Effect Of Moisture Addition With A Mold Inhibitor On Feed Manufacture, Pellet Quality, And Broiler Performance, John M. Hott
Graduate Theses, Dissertations, and Problem Reports (ETD)
Commercial broilers are typically fed pelleted diets because of the resulting improvements in bird performance and ease of transportation. Feed and feed manufacturing costs account for 60--70% of the total costs incurred in a broiler production system. Feed manufacturers are constantly searching for ways to decrease production costs while maintaining high pellet quality. Moisture addition at the mixer has been shown to increase pellet quality and decrease pellet mill energy consumption. However, past literature has incorporated high moisture addition levels that may be impractical in an industrial setting. The objective of this study was to determine the effects of moisture …
College Students' Perceptions Of Dialects, Leigh Smitley
College Students' Perceptions Of Dialects, Leigh Smitley
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this investigation was to determine college students' perceptions of their own dialects and 4 specific dialects common to the English language. To determine this, the investigator developed a 3-part survey (Appendices H, I, J). On Part I, respondents completed identifying information. On Part II, they rated 9 general Likert Scale items related to dialect. On Part III, they completed the same semantic differential scale for speakers who represented 4 different dialects: Appalachian-American, Eastern-American, General-American, and African-American. There were 2 speakers for each dialect, i.e., 1 male and 1 female.;On Part I, respondents who completed a 3-part survey …
Management Perceptions Of Off-Highway Vehicle Use On National Forest System Lands In Appalachia, Katherine A. Thompson
Management Perceptions Of Off-Highway Vehicle Use On National Forest System Lands In Appalachia, Katherine A. Thompson
Graduate Theses, Dissertations, and Problem Reports (ETD)
Because of recent changes in the USDA Forest Service (USFS) travel management regulations, all National Forests are required to create a travel management atlas that includes a motor vehicle use map by 2009. The purpose of this study was to determine the perceptions of OHV use, issues, and management among USFS District Rangers on National Forests in the Appalachian region, and to determine the differences in perceptions of those District Rangers based on the level of OHV recreation opportunities provided on their Districts. Having this information available will help managers make decisions about how to update their travel management plans. …
Marine Paleoecology Of The Eads Mill Member, Hinton Formation, Upper Mississippian, West Virginia And Virginia, Timothy Vance
Marine Paleoecology Of The Eads Mill Member, Hinton Formation, Upper Mississippian, West Virginia And Virginia, Timothy Vance
Graduate Theses, Dissertations, and Problem Reports (ETD)
During the Late Mississippian, the Eads Mill Member of the upper Hinton Formation was formed during the last marine transgression before deposition of the Princeton Sandstone. Five outcrops extending northward from southwest Virginia into southern West Virginia were sampled, and constituent fossil genera were identified in the lab. Seven guilds were recognized and similar taxa were grouped together based on their morphology and life habits. Binary presence/absence data were compiled for all guilds at each sampled unit, and processed using four multivariate techniques in order to identify any underlying paleoecological signal. All techniques yielded a strong trend in the data …
Relationship Between Food Insecurity And Overweight In Preschool-Aged Children In Rural West Virginia, Melissa Webber
Relationship Between Food Insecurity And Overweight In Preschool-Aged Children In Rural West Virginia, Melissa Webber
Graduate Theses, Dissertations, and Problem Reports (ETD)
The prevalence of overweight among adults and children continues to increase. The purpose of this study was to evaluate demographic factors that may be associated with an increase in a child's weight status. Subjects were children aged 2 to 6 years old in two southern West Virginia counties, McDowell and Mercer. Children were weighed and measured, and BMI was calculated. Parents or other caregivers were asked to complete a questionnaire regarding child's age, household food security, and parents' age, height and weight, education level, and hours worked per week.;A positive association between food insecurity and overweight among children was present …
Alterations In Progesterone Catabolic Enzymes By Insulin, Caleb Owens Lemley
Alterations In Progesterone Catabolic Enzymes By Insulin, Caleb Owens Lemley
Graduate Theses, Dissertations, and Problem Reports (ETD)
The current experiments were conducted to determine if insulin could alter the progesterone catabolic enzymes, cytochrome P450 2C and 3A in vitro, utilizing a mouse hepatocyte cell-line, or in vivo, utilizing the ovariectomized ewe as a model. The objectives of the in vitro work were to determine if a four hour challenge with insulin, glucagon or a combination of both insulin and glucagon would lead to a reduction in the relative abundance of CYP2C39 or CYP3A13 mRNA, as well as a decrease in the enzymatic activities of CYP3A and CYP2C subfamilies. A dose dependent decrease (P < 0.05) in CYP2C and CYP3A activity was observed in hepatocytes challenged with increasing concentrations of insulin, while a challenge with glucagon had no effect on cytochrome P450 2C or 3A activity. Cytochrome P450 2C activity was decreased (P < 0.05) during exposure of cells to 1.0 nM insulin and 0.1 nM glucagon as well as 0.1 nM insulin and 1.0 nM glucagon. Cells cultured with 1.0 nM insulin and 0.1 nM glucagon showed a trend ( P < 0.10) for a decrease in CYP3A activity. The relative abundance of CYP2C39 and CYP3A13 mRNA showed no response to insulin, glucagon or a combination of insulin and glucagon exposure. These data support a model in which the known insulin-induced decrease in progesterone catabolism is a result of a reduction in CYP2C and CYP3A activity. The objectives of the in vivo experiment, utilizing ovariectomized ewes, were to determine if supplementing feed with either sodium acetate or sodium propionate altered insulin secretion, hepatic activity of cytochrome P450 2C and 3A, and/or progesterone clearance. Sixteen ovariectomized ewes were fed 3 kg/d for 10 d, a diet consisting of 50% corn silage, 38% triticale haylage, 12% soy bean meal, and 200 mL of 3.5 M sodium acetate (energy control n = 8) or 2.0 M sodium propionate (gluconeogenic substrate; n = 8). Insulin concentrations were determined directly before feeding and at 15, 30, 60, 90, 120, 180, 240, and 300 min. Progesterone clearance from peripheral circulation was measured by giving a 5 mg injection of progesterone into the left jugular vein and collecting blood via the right jugular vein at 2, 4, 6, 8, 10, 15, 20 and 30 min afterwards. Liver biopsies were taken one hour after feeding and used for determination of cytochrome P450 2C and 3A activities. Insulin concentrations in ewes supplemented with sodium propionate were elevated (P < 0.05) at 15, 30 and 60 minutes after feeding compared to the sodium acetate group. Cytochrome P450 2C and 3A activity were decreased (P ≤ 0.05) 1 h after feeding in the sodium propionate treatment relative to sodium acetate treatment. Clearance of progesterone from the peripheral circulation, one hour after feeding, was similar between treatment groups, as well as the average fractional rate constant of progesterone clearance (k). Elucidating a mechanism to decrease progesterone catabolism, thereby increasing concentrations of progesterone, seems a logical approach to ameliorate high rates of embryonic loss without compromising dry matter intake.
Modeling The Effect Of A Spray On A Liquid Film On A Heated Surface, Rageey M. Youssef
Modeling The Effect Of A Spray On A Liquid Film On A Heated Surface, Rageey M. Youssef
Graduate Theses, Dissertations, and Problem Reports (ETD)
Thermal management is considered one of the most challenging problems in practical and industrial applications such as space and satellite research. Among the most widely used techniques are spray and jet cooling. However it was found that spray cooling is the most efficient and complex technique. It was not possible to simulate the spray cooling in detail; this was due to a formation of a liquid layer above the heater surface. The interaction between the spray droplets and the liquid layer was studied in the present work indirectly by assuming a pre-existing liquid layer moving in the horizontal direction and …
Post-Fledging Ecology And Survival Of Neotropical Migratory Songbirds On A Managed Appalachian Forest, Tim A. Dellinger
Post-Fledging Ecology And Survival Of Neotropical Migratory Songbirds On A Managed Appalachian Forest, Tim A. Dellinger
Graduate Theses, Dissertations, and Problem Reports (ETD)
During the post-fledging period, some juvenile songbirds appear to require early successional habitats at some level, suggesting that disturbance (whether natural or anthropogenic) in the landscape is important. Previous studies of juvenile Wood Thrushes (Hylocichla mustelina) have found them in early successional areas in which adults do not nest. My objective was to determine how juvenile Wood Thrushes used areas harvested through various silvicultural techniques within a forested landscape. I examined settled areas, habitat use, survival, and daily movements of 55 radio-tagged juvenile Wood Thrushes on a managed forest in the central Appalachian mountains of West Virginia during 2004 to …
Basic Building Blocks Of Real-Time Data Analysis As Applied To Smart Oil Fields, Daniel G. Gonzalez
Basic Building Blocks Of Real-Time Data Analysis As Applied To Smart Oil Fields, Daniel G. Gonzalez
Graduate Theses, Dissertations, and Problem Reports (ETD)
The process of continuously monitoring and analyzing data in real time as well as reacting to events in an effective and more efficient manner represents one of the challenges in the oil and gas industry today. The existence of a computer model that is capable of evaluating data that enters a computer database in real time, performs different kinds of production analysis, and predicts reservoir performance opens new possibilities for field optimization. Having a model that alerts the engineers of abnormal situations during production operations will help to decrease the time of reaction to such events and as a result …
Error Resilient Image Transmission Using T-Codes And Edge-Embedding, Premchander Reddy
Error Resilient Image Transmission Using T-Codes And Edge-Embedding, Premchander Reddy
Graduate Theses, Dissertations, and Problem Reports (ETD)
Current image communication applications involve image transmission over noisy channels, where the image gets damaged. The loss of synchronization at the decoder due to these errors increases the damage in the reconstructed image. Our main goal in this research is to develop an algorithm that has the capability to detect errors, achieve synchronization and conceal errors.;In this thesis we studied the performance of T-codes in comparison with Huffman codes. We develop an algorithm for the selection of best T-code set. We have shown that T-codes exhibit better synchronization properties when compared to Huffman Codes. In this work we developed an …