Tesis sobre el tema "Ice Detection"
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Drummond, Krista. "Polarimetric road ice detection". Thesis, The University of Arizona, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1572997.
Texto completoThis thesis investigated the science behind polarimetric road ice detection systems. Laboratory Mueller matrix measurements of a simulated road under differing surface conditions were collected searching for a discriminatory polarization property. These Mueller matrices were decomposed into depolarization, diattenuation, and retardance. Individual sample surface polarization properties were then calculated from these three unique matrices and compared. Specular and off-specular reflection responses of each sample were collected. Four polarization properties stood out for having high separation between dry and iced measurements: Depolarization Index, Linear Diattenuation, Linear Polarizance, and Linear Retardance.
Through our investigation polarimetric ice detection is possible. Continued research of the polarization properties of road ice can result in the development of a road ice detection system. Proposed deployment methods of such a system have been outlined following the analysis of the data collected in this experiment.
Drummond, Krista. "Polarimetric Road Ice Detection". Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/347115.
Texto completoSohn, Hong-Gyoo. "Boundary detection using multisensor imagery: Application to ice sheet margin detection /". The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942476406942.
Texto completoChristner, Brent C. "Detection, recovery, isolation, and characterization of bacteria in glacial ice and Lake Vostok accretion ice". The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1015965965.
Texto completoChristner, Brent Craig. "Detection, recovery, isolation and characterization of bacteria in glacial ice and Lake Vostok accretion ice /". The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486402288260857.
Texto completoDershowitz, Adam L. (Adam Lee) 1967. "A passive infrared ice detection technique for helicopter applications". Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/44271.
Texto completoBöser, Sebastian. "Acoustic detection of ultra-high energy cascades in ice". Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2007. http://dx.doi.org/10.18452/15670.
Texto completoCurrent neutrino telescopes are designed to detect neutrinos with energies in the TeV range. Due to the low fluxes and small cross sections, no high energy neutrinos of extraterrestrial origin have been observed so far. Only the Cherenkov neutrino detectors on the km^3 scale that are currently under construction will have the necessary volume to observe these rare interactions. Yet, for neutrinos from interactions of the ultra-high energy cosmic at EeV energies rays with the ambient cosmic microwave background, event rates of only one per year are expected. To measure the flux and verify the predicted cross sections of these cosmogenic neutrinos, an observed volume of around 100 km^3 will be necessary, that will not be feasible with existing detection techniques. Alternative methods are required to build a detector on these scales. One promising idea is to record the acoustic waves generated in cascades following the neutrino interaction. Higher amplitudes of the sonic signal and the large absorption length of sound favour South Polar ice instead of sea water as a medium. For an estimate of the potential of such a detector, suitable acoustic sensors, a verification of the model of thermo-acoustic sound generation and a determination of the acoustic properties of the ice are necessary. In a theoretical derivation the mechanism of thermo-elastic excitation of acoustic waves was shown to be equivalent for isotropic solids and liquids. A detailed analysis of the existing knowledge and a simulation study of a hybrid optical-radio-acoustic detector have been performed. Ultrasonic sensors dedicated to in-ice application were developed and have been used to record acoustic signals from intense proton and laser beams. Based on this, the hitherto largest array of acoustic sensors and transmitters was devised and implemented, with the aim to study the ultrasonic properties of the South Polar ice in-situ. Results from all of these first efforts are presented.
Carlsson, Viktor. "Measuring routines of ice accretion for Wind Turbine applications : The correlation of production losses and detection of ice". Thesis, Umeå universitet, Institutionen för fysik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-37896.
Texto completoEriksson, Carl-Johan. "Wireless Weather Station for the detection of black ice on roads". Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-80470.
Texto completoKeeping the Swedish roads safe during winter months is something that requires large resources and costs society a lot of money. The systems that provide information on road condition today are not enough. There are too few weather stations located around the road network to provide a good spatial resolution to those who decide if there is a need for ice- or snow removal on the roads. To provide a cost effective and completely wireless weather station that can be deployed regardless of access to power or wired communications is something that existed as a desire by the major contractors for the winter road maintenance in Sweden for a long time. A higher spatial resolution of weather conditions in the road network will make it possible to use more focused efforts where the road conditions are not good. This would result in reduced wear on the tools, less fuel consumption and reduced use of salt on the roadway resulting in economic gains and not least environmental benefits. Interviews and questionnaires were the basis for creating a base for a weather station of this kind. While working on weather station data, additional requests and ideas from people who are active in the industry emerged. This has led to the thesis work focused primarily on developing a new sensor system that completely contact-free from the road surface detect what is on the road surface when it comes to distinguish dry, wet or icy road surface. A complete sensor system has been developed that is placed in the roadway and which measures the temperature and uses a sensor that doesn't have any contact with the road surface to detect if the road surface is dry, wet, or if there is ice on it. The sensor system is battery powered and transmits data wirelessly from the road. This makes it possible to use multiple sensors in the roadway, thereby creating a sensor network that can determine what the conditions are at longer distances than in only one point.
Koçer, Zeynep A. "Detection of Influenza A Viruses From Environmental Lake and Pond Ice". Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1276804585.
Texto completoJack, Landy. "Characterization of sea ice surface topography using Light Detection and Ranging (LiDAR)". Wiley, 2014. http://hdl.handle.net/1993/31170.
Texto completoMay 2016
Werger, Jade. "Decision-making in ice hockey referees : officiating style and accurate detection of penalties". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63405.
Texto completoEducation, Faculty of
Kinesiology, School of
Graduate
Kunz, Lukas Brad. "A New Method for Melt Detection on Antarctic Ice-Shelves and Scatterometer Calibration Verification". Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd527.pdf.
Texto completoSemburg, Benjamin [Verfasser]. "HADES - an acoustic sensor for neutrino detection in ice Calibration, characterization andmeasurements / Benjamin Semburg". Wuppertal : Universitätsbibliothek Wuppertal, 2011. http://d-nb.info/101170935X/34.
Texto completoBravo, Jimenez Ismael. "Detection and removal of wind turbine ice : Method review and a CFD simulation test". Thesis, Högskolan i Gävle, Energisystem, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27798.
Texto completoFröjse, Linda. "Unsupervised Change Detection Using Multi-Temporal SAR Data : A Case Study of Arctic Sea Ice". Thesis, KTH, Geodesi och geoinformatik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147007.
Texto completoYtan av arktisk havsis har minskat genom åren och vikten av havsisövervakning förväntas öka. Förändrigsdetection jämför bilder från samma geografiska område från olika tidpunkter föra att identifiera förändringar som kan ha skett i intresseområdet. Förändringsdekteringsmetoder har utvecklats för kryosfäriska ämnen. Tröskelvärdesbestämning med Kittler-Illingworth algoritmen har visats sig vara ett effektivt verktyg för förändringsdetektion, men har inte änvänts på havsis. Här appliceras algoritmen på arktisk havsis. Målet är att undersökra oövervakad förändringsdetektion i arktisk havsis med multitemporella SAR bilder. Den välkända Kittler-Illingworth algoritmen testas med två täthetsfunktioner, nämligen generaliserad normaldistribution och log-normal distributionen. Differensbilden erhålls genom den modifierad ratio-operator. Histogrammet från förändringsbilden skattar dess täthetsfunktion, vilken anses vara en kombination av två klasser, förändring- och ickeförändringsklasser. Histogrampassningstekniker används för att uppskatta de okända täthetsfunktionerna och a priori sannolikheterna. Det optimala tröskelvärdet väljs genom en kriterionfunktion som är direkt relaterad till klassifikationsfel. I detta examensarbete användes tre dataset som täcker delar av Beaufort-havet från åren 1992, 2002, 2007 och 2009. SAR C-band data kom från satelliten ERS och ASAR C-band data kom från satelliten ENVISAT. Alla tre tolkades visuellt och för alla tre detekterade generaliserad normaldistribution mycket mer förändring än lognormal distributionen. Bara en mindre del av ett dataset validerades mot referensdata. Lognormal distributionen erhöll då 0% falska alarm i alla försök. Generalised normaldistributionen erhöll runt 4% falska alarm i de flesta försöken. Generaliserad normaldistributionen nådde detekteringsnoggrannhet runt 95% medan lognormal distributionen nådde runt 70%. Generell noggrannheten för generaliserad normaldistributionen var runt 95% i flesta försöken. För lognormal distributionen nåddes en generell noggrannhet runt 85%. KHAT koefficienten för generaliserad normaldistributionen var i intervallet 0.66-0.93. För lognormal distributionen var den i intervallet 0.68-0.77. Med en extra speckle-filtrering ökades nogranneheten för lognormal distributionen. Generellt sett, detekterades positiv förändring med högre nivå av noggrannhet än negativ förändring. Visuell inspektion visar att generaliserad normaldistribution troligen överskattar förändringen. Lognormal distributionen detekterar konsistent mindre förändring än generaliserad normaldistributionen. Bristen på referensdata gjorde valideringen av resultaten svårt. Den utförda valideringen är kanske inte så trovärdig, eftersom den tillgänliga referensdatan var bara SAR bilder och att särskilja förändring och ickeförändring är svårt i området. Vidare, på grund av bristen på referensdata, kunde det inte bestämmas med säkerhet vilken distribution som var bäst.
Farris-Manning, Peter (Peter James) Carleton University Dissertation Geography. "Ice jam detection and flood monitoring using airborne synthetic aperture radar; Saint John River, New Brunswick, 1987". Ottawa, 1991.
Buscar texto completoKlenner, Fabian [Verfasser]. "Experiments for the Detection of Biosignatures in Ice Grains by Space Missions to Enceladus and Europa / Fabian Klenner". Berlin : Freie Universität Berlin, 2021. http://d-nb.info/1228860343/34.
Texto completoKinda, Gnouregma Bazile. "Acoustic remote sensing of Arctic sea ice from long term soundscape measurements". Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENU032/document.
Texto completoThe Arctic sea ice melting, in the global warming context, has become a major scientific topic during the last 30 years. The Arctic Ocean plays a fundamental role in the global climate balance and requires a particular attention. The Arctic Regions are then monitored by satellite observations and in-situ measurements. The climatic impact of the total melting of the Arctic sea ice is not yet understood and researches are still needed for long term monitoring of Arctic Ocean, particularly the dynamics of the ice cover and its consequences on the ecosystems. Our work focused on the natural soundscapes of these Polar Regions prior to their possible industrialization. So, we first examined the impact of climate warming alone on polar soundscapes by studying the seasonal variability of ambient noise and its environmental drivers. We then developed an ambient noise estimation algorithm for automatic extraction of this noise component from long term measurements. In second, we examined the acoustic transients generated by the mechanical behavior of the ice cover at its maximum extent. This aims to better understanding of the physical processes involved in under-ice noise production and their potential use for sea ice monitoring
Hicks, Brandon R. "Melt Detection and Estimation in Greenland Using Tandem QuikSCAT and SeaWinds Scatterometers". BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/940.
Texto completoToprak, Emre [Verfasser] y S. [Akademischer Betreuer] Norra. "Real Time Detection of Primary Biological Aerosol Particles (PBAP) in the context of atmospheric ice formation / Emre Toprak. Betreuer: S. Norra". Karlsruhe : KIT-Bibliothek, 2014. http://d-nb.info/105695597X/34.
Texto completoMatra, L., M. A. MacGregor, P. Kalas, M. C. Wyatt, G. M. Kennedy, D. J. Wilner, G. Duchene et al. "Detection of Exocometary CO within the 440Myr Old Fomalhaut Belt: A Similar CO+ CO2 Ice Abundance in Exocomets and Solar System Comets". IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/624435.
Texto completoBeise, Jakob. "In-situ calibration device of firn properties for Askaryan neutrino detectors". Thesis, Uppsala universitet, Högenergifysik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-452702.
Texto completoBeise, Jakob. "Measurement of the snow accumulation in Antarctica with a neutrino radio detector and extension to the measurement of the index-of-refraction profile". Thesis, Uppsala universitet, Högenergifysik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-437647.
Texto completoIdrisoglu, Alper. "Wireless Sensor System for Monitoring Sportsmen Exposed to Hazardous Concussions". Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18477.
Texto completoVallot, Dorothée. "Modelling calving and sliding of Svalbard outlet glaciers : Spatio-temporal changes and interactions". Doctoral thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334787.
Texto completoOliveira, Fernando Luiz Pereira de. "Nonparametric intensity bounds for the detection and delineation of spatial clusters". Universidade Federal de Minas Gerais, 2011. http://hdl.handle.net/1843/ICED-8GQJAE.
Texto completotexto completo
Van, Liefferinge Brice. "Thermal state uncertainty assessment of glaciers and ice sheets: Detecting promising Oldest Ice sites in Antarctica". Doctoral thesis, Universite Libre de Bruxelles, 2018. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/268026.
Texto completoDoctorat en Sciences
info:eu-repo/semantics/nonPublished
Nicolet, Mathieu. "Characterization of ice crystals and water droplets with the ice optical detector device (IODE) using depolarization measurements /". Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17659.
Texto completoMengesha, T. (Tewodros). "ICT-based bracelet for early detection of depression". Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201605221847.
Texto completoKomarov, Alexander. "New methods for detecting dynamic and thermodynamic characteristics of sea ice from radar remote sensing". Institute of Electrical and Electronics Engineers, 2014. http://hdl.handle.net/1993/30225.
Texto completoMartinez, Mari-José. "Design and testing of an infrared ice detector system for helicopter blades". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10510.
Texto completoDettman, Joshua R. "Experimental Measurements and Modeling to Understand Sensitivity and Plasma Sample Loading in Inductively Coupled Plasma Optical Emission Spectrometry". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1325279039.
Texto completoWintergerst, Mieke. "Detection of inositol phosphates with HPLC-ICP-AES : Method development". Thesis, Uppsala universitet, Analytisk kemi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202003.
Texto completoCakici, Baki. "The Informed Gaze : On the Implications of ICT-Based Surveillance". Doctoral thesis, Stockholms universitet, Institutionen för data- och systemvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-92956.
Texto completoAt the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 4: Manuscript. Paper 5: Manuscript.
Monzer, Mohamad-Houssein. "Model-based IDS design pour ICS". Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALT056.
Texto completoIndustrial systems present security risks related to their IT vulnerabilities. These systems, spread over the world, continue to be targets of attacks. While Industrial systems share common vulnerabilities with IT systems, they tend to have more constraints due to the interaction between cyber and physical systems.Intrusion detection systems give visibility to the system and are considered as one of the solutions to detect targeting attacks. Hence, it seems relevant to rely on a physical model of the cyber-physical system to obtain an intrusion detection system (IDS) for industrial systems. Most IDSs are based on rules that define how possible attacks are detected. These rules are generally used to either describe possible attack scenarios on the systems or used to describe the normal system behavior of the system. However, manually creating and maintaining rules for a complex system can prove to be a very tedious and difficult task.This thesis proposes a solution to model ICS and to design specific IDS for industrial systems. A model-based IDS rule generator is also proposed, which converts a system model into anomaly-based IDS rules. Finally, the effectiveness of the generated rules is evaluated
Kouchinsky, Alan J. "Determination of smoke algoritm [i.e. algorithm] activation for video image detection". College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7223.
Texto completoThesis research directed by: Dept of Fire Protection Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
CASELLI, SERENA. "Fall risk detection and prediction in community-dwelling older adults". Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/306605.
Texto completoThe fall risk (FR) and a related injury increase with age and with the association of neurological diseases (Parkinson’s Disease (PD) or stroke). Falls represent a fearsome event for an elderly for traumatic and psychological consequences, and costs are becoming unsustainable. Hence, fall prevention in elderly at risk is a public health priority. All international guidelines recommend removing the modifiable FR factors and implementing effective interventions on people at risk. Nevertheless, investigators have not used consistent classifications for FR factors, so using the WHO Family of International Classifications can be the more natural and logical solution to cover the lack of a universal reference framework. FR screening is the first component of effective fall prevention programs. To date, despite the use of numerous FR assessment tools, it is not possible to detect and predict elderly fallers with optimal diagnostic accuracy. The aims of the thesis were: 1) to validate a FR serial screening algorithm with high diagnostic accuracy in a sample of community-dwelling elderly, also with PD and stroke, in the prediction of at least one, two, and three falls in the following twelve months; 2a) to assess the neurological disease's effect on FR tests; 2b) to validate an ICD& ICF core set for FR in the same population. Using data collected in the PRE.C.I.S.A. trial on fall risk, we performed the following analyses: 1) to validate a FR screening algorithm we calibrated the VAE, VOE1 and VOE2 scales with classical and Rasch analysis and we calculated the two FRAT-up; we studied the diagnostic accuracy of single tools and screening algorithms, obtained with serial combinations of the scales and the two FRAT-up tools, and with logistic regression models, in the prediction of the described outcomes; we compared their properties for external validation; 2a) to assess neurological disease’s effect on the tools we conducted a Differential Item Functioning (DIF) analysis for the scales and a t-test for the two FRAT-up; 2b) to validate the core set we reviewed the FR factors and we linked them to classification categories. The available sample from the PRE.C.I.S.A. trial was constituted by 768 older adults (female 65.3%; mean age 75.8). From 29 observed variables, we calibrated three measurement scales (VAE, VOE1, and VOE), which showed a satisfactory fit to the Rasch model (χ213=43.4; p=0.080; χ212=17.5, p=0.130; χ26=32.9, p=0.040). Their reliability (Person Separation Index=0.912; 0.900; 0.800) was adequate for individual (VAE, VOE1) and group measurement (VOE2). The serial combination with ‘AND’ rule of the scales generated FR serial algorithms, with good diagnostic accuracy, in the prediction of the described outcomes in community-dwelling elderly, also with PD and stroke, based on cutoffs defined using an ‘ad hoc’ method, which considered a higher cost of false negatives compared to false positives (≥1 fall: sensitivity (SE)=62.4%; specificity (SP)=71.0%; diagnostic accuracy (DA)=0.672; ≥2 falls: SE=72.8%; SP=63.2%; DA=0.657; ≥3 falls: SE=79.3%; SP=60.0%; DA=0.629). We calculated cumulative post-test probabilities of the combined scales, which performed more effectively than single tools, and we constructed additional algorithms based on logistic regression models using a parallel combination. We realized an external validation through the comparison with FRAT-up algorithms. Then, we demonstrated the management with Rasch analysis of the neurological disease effect on tools performance (e.g., VAE scale: splitting analysis for DIF by neurological diseases). Finally, we validated an ICD&ICF core set for the FR in community-dwelling elderly, also with PD and stroke (103 FR factors linked to 74 categories). Further projects are desirable to replicate these findings in larger, multicenter validation studies.
Moudgil, Rashmi. "A Statistical and Circuit Based Technique for Counterfeit Detection in Existing ICs". Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23177.
Texto completoMaster of Science
Schmidt, Benita. "Detection and Characterisation of Nanoparticles using Inductively Coupled Plasma Mass Spectrometry". Doctoral thesis, Humboldt-Universität zu Berlin, 2019. http://dx.doi.org/10.18452/20162.
Texto completoIn this doctoral thesis an analytical method for characterising metal nanoparticles (NPs) was developed and its application for investigating natural samples verified. An analytical system consisting of a microdroplet generator (MDG) used in combination with a pneumatic nebuliser (PN) and an inductively coupled plasma mass spectrometer (ICP-MS) proved capable of quantitatively and qualitatively identifying NPs. The MDG was used to establish the calibration function for mass quantification of the metal present in the sample NPs introduced via the PN. The major advantage of this configuration is that the MDG generated droplets of tailored size for any given metal while offering a 100 % transport efficiency. The introduced mass correlated with signal intensities of NPs and thus the microdroplet generated droplets could be used for calibration purposes without the need for any reference material. Thus, the tedious and error-prone nebuliser efficiency determination step that is required when determining the NP metal content using the single particle mode ICP-MS (spICP-MS) approach, could be avoided. With this dual sample introduction method, the sizes and concentrations of a range of standard silver (Ag) NPs and gold (Au) reference NPs were determined with high accuracy. Additionally, together with a new commercially available ICP-time of flight-MS (ICP-TOF-MS) the characterisation of Ag- and Au-NPs was carried out in various matrices: In hydrochloric (HCl) and nitric acid (HNO3) at a range of concentration and in different elemental environments. In the presence of matrices, it was found that the size characterisation of the NPs is correct within the standard deviation.
Banga, Mainak. "Partition based Approaches for the Isolation and Detection of Embedded Trojans in ICs". Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/34924.
Texto completoThe inherent stealthy nature of Trojans makes it difficult to detect them at normal IC outputs. More so, with the restriction that one cannot visually inspect the internals of an IC after it has been manufactured. This obviates the use of side-channel signal(s) that acts like a signature of the IC as a means to assess its internal behavior under operational conditions.
In this work, we have selected power as the side-channel signal to characterize the internal
behavior of the ICs. We have used two circuit partitioning based approaches for isolating and
enhancing the behavioral difference between parts of a genuine IC and one with a sequence
detector Trojan in it. Experimental results reveal that these approaches are effective in
exposing anomalous behavior between the targeted ICs. This is reflected as difference in
power-profiles of the genuine and maligned ICs that is magnified above the process variation
ensuring that the discrepancies are observable.
Master of Science
Yordán, López Fernando A. "Point cloud alignment in arm reconstruction for lymphedema detection by iterating pairwise ICP". Thesis, Massachusetts Institute of Technology, 2018. https://hdl.handle.net/1721.1/121644.
Texto completoThesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 59-62).
Arm lymphedema is a debilitating condition characterized by a large swelling of the patient arms. This thesis describes a system for measuring arm volume with the goal of providing a cost-effective, reliable, easy to use, comfortable, and informative alternative to the tedious water displacement method or the expensive perometer. The device consists of 8 inexpensive positionally fixed realsense sr300 depth cameras in a frame that can be placed on a flat surface, and used to scan a patient's arm in order to build a 3D mesh that can be used to extract not only the total volume of the arm but also the volume of specific segments. A special focus is given to the method of global registration of each camera's depth image, where camera positions are iteratively adjusted by applying ICP between one camera's point cloud and the point cloud generated by all-but-that-one camera. The system is then validated by taking a set of measurements of a human arm and comparing the values against those obtained from the water displacement method, in addition to also measuring objects of known volume and comparing those values with the ground truth. Despite a large non constant percentage error between expected and obtained values, early experiments show an 5_ correlation value of .99 between the expected and measured volumes. While additional work and experiments are needed to guarantee the reliability of this proposed method in order to be used in a clinical setting, these early findings show the potential of using such a system in small clinics where both space and money limits the accessibility of a large or expensive device. Keywords: lymphedema, global registration, realsense, point cloud alignment, volume measurement, 3D reconstruction
by Fernando A. Yordán López.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
Hussian, Mohamed. "Monotonic and Semiparametric Regression for the Detection of Trends in Environmental Quality Data". Doctoral thesis, Linköping : Dept. of Mathematics, Univ, 2005. http://www.bibl.liu.se/liupubl/disp/disp2005/stat7s.pdf.
Texto completoSarah, Bouckoms. "Time distribution analysis for flasher data and simulations in the IceCube neutrino detector". Thesis, University of Canterbury. Physics and Astronomy, 2011. http://hdl.handle.net/10092/9659.
Texto completoMyers, David. "Detecting cyber attacks on industrial control systems using process mining". Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/130799/1/David_Myers_Thesis.pdf.
Texto completoKabir-Querrec, Maëlle. "Cyber sécurité des systèmes industriels pour les smart-grids : détection d'intrusion dans les réseaux de communication IEC 61850". Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT032/document.
Texto completoInformation and Communication Technologies have been pervading Industrial Automation and Control Systems (IACS) for a few decades now. Initially, IACS ran proprietary protocols on closed networks, thus ensuring some level of security through obscurity and isolation. Technologies and usages have evolved and today this intrinsic security does not exist any longer, though. This transition is in progress in the electricity domain, the power infrastructure turning into the "smart grid".The IEC 61850 standard is key to the smart grid development. It is aimed at making interoperability possible in ``Communication networks and systems for power utility automation''. It thus defines a common data object model and a stack of protocols answering different purposes.Although the cyber risk in IACS is now widely acknowledged, IEC 61850 does not address cyber security in any way whatsoever.This work tackles the question of cyber security through network intrusion detection in IEC 61850 networks, and more specifically in real-time GOOSE communications. The idea is to get the most out of the protocol specifications and system configuration while developing a tailored NIDS. This enables detection accuracy
Syed, Sarah Sabeena. "Correlation of nebulizer performance with basic aerosol properties, response and detection limits in ICP-AES". Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/27661.
Texto completoWeiss, Steven Michael. "Induction and detection of ventricular arrhythmias by ICD and the influences of antiarrhythmic drug therapy". Thesis, The University of Sydney, 1994. https://hdl.handle.net/2123/26862.
Texto completoFREITAS, JOAO C. D. de. "Identificação de assinaturas químicas em resíduos de disparos de arma de fogo em diferentes alvos". reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10023.
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IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Galvenius, Hugo. "Identifikation av icke-representativa svar i frågeundersökningar genom detektion av multivariata avvikare". Thesis, Uppsala universitet, Matematiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-219546.
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