Now showing items 1-20 of 20

    • Adaptive Detection and Estimation Using a Conformal Array Antenna 

      Hersey, Ryan Kenneth (Georgia Institute of Technology, 2004-11-22)
      Conformal arrays possess certain desirable characteristics for deployment on unmanned aerial vehicles and other payload-limited platforms: aerodynamic design, minimal payload weight, increased field of view, and ease of ...
    • Assessing internal contamination after a radiological dispersion device event using a 2x2-inch sodium-iodide detector 

      Dewji, Shaheen Azim (Georgia Institute of Technology, 2009-04-08)
      The detonation of a radiological dispersion device (RDD) may result in a situation where many individuals are exposed to contamination due to the inhalation of radioactive materials. Assessments of contamination may need ...
    • Assessing the dose received by the victims of a radiological dispersal device with Geiger-Mueller detectors 

      Manger, Ryan Paul (Georgia Institute of Technology, 2008-07-10)
      This research investigates the use of G-M counters to triage the individuals who have been exposed to a Radiological Dispersal Device (RDD). Upon being exposed to an RDD, inhalation of the airborne radionuclide is a ...
    • Autonomous detection and characterization of nuclear materials using co-robots 

      Zavala, Martin (Georgia Institute of Technology, 2016-05-03)
      Radiation safety is the biggest concern of the nuclear industry, and co-robots are a crucial component to insuring that safety. Currently, radiation mapping data is typically gathered using hand held detectors or other ...
    • Bio-surveillance: detection and mitigation of disease outbreak 

      Lee, Mi Lim (Georgia Institute of Technology, 2013-10-23)
      In spite of the remarkable development of modern medical treatment and technology, the threat of pandemic diseases such as anthrax, cholera, and SARS has not disappeared. As a part of emerging healthcare decision problems, ...
    • Characterization of modified neutron fields with americium-beryllium and californium-252 sources 

      Exline, Peter Riley (Georgia Institute of Technology, 2011-05-23)
      There are a variety of uses for reference neutron fields including detector response and dosimeter studies. The Georgia Institute of Technology has a 252Cf spontaneous fission source and an AmBe (α, n) source available ...
    • Chemical identification under a poisson model for Raman spectroscopy 

      Palkki, Ryan D. (Georgia Institute of Technology, 2011-11-14)
      Raman spectroscopy provides a powerful means of chemical identification in a variety of fields, partly because of its non-contact nature and the speed at which measurements can be taken. The development of powerful, ...
    • Early detection of spam-related activity 

      Hao, Shuang (Georgia Institute of Technology, 2014-11-17)
      Spam, the distribution of unsolicited bulk email, is a big security threat on the Internet. Recent studies show approximately 70-90% of the worldwide email traffic—about 70 billion messages a day—is spam. Spam consumes ...
    • High-speed infrared detection of coated roll surface defects 

      Patterson, Timothy Fredrick; Korach, Chad S.; Orloff, David I. (Atlanta, Georgia : the Institute,Georgia Institute of Technology, 1997-06)
    • Information theoretic approach in detection and security codes 

      Xiao, Jiaxi (Georgia Institute of Technology, 2012-04-03)
      Signal detection plays a critical role in realizing reliable transmission through communication systems. In this dissertation, by applying information theoretic approach, efficient detection schemes and algorithms are ...
    • A Multi-Stage Neural Network for Automatic Target Detection 

      Howard, Ayanna M.; Padgett, Curtis; Liebe, Carl Christian (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1998-05)
      Automatic Target Recognition (ATR) involves processing two-dimensional images for detecting, classifying, and tracking targets. The first stage in ATR is the detection process. This involves discrimination between target ...
    • Multispectral Image Analysis of Bruise Age 

      Sprigle, Stephen; Yi, Dingrong; Caspall, Jayme; Linden, Maureen; Kong, Linghua (Georgia Institute of Technology, 2007)
      The detection and aging of bruises is important within clinical and forensic environments. Traditionally, visual and photographic assessment of bruise color is used to determine age, but this qualitative technique has been ...
    • Multitarget Tracking with Split and Merged Measurements 

      Khan, Zia; Balch, Tucker; Dellaert, Frank (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2005-06)
      In many multitarget tracking applications in computer vision, a detection algorithm provides locations of potential targets. Subsequently, the measurements are associated with previously estimated target trajectories in ...
    • A novel method for pulmonary emboli visualization from high-resolution CT images 

      Pichon, Eric; Novak, Carol L.; Kiraly, Atilla P.; Naidich, David P. (Georgia Institute of TechnologySociety of Photo-Optical Instrumentation Engineers, 2004-02-15)
      Pulmonary Embolism (PE) is one of the most common causes of unexpected death in the US. The recent introduction of 16-slice Computed Tomography (CT) machines allows the acquisition of very high-resolution datasets. This ...
    • Signal Detection Strategies and Algorithms for Multiple-Input Multiple-Output Channels 

      Waters, Deric Wayne (Georgia Institute of Technology, 2005-11-16)
      In todays society, a growing number of users are demanding more sophisticated services from wireless communication devices. In order to meet these rising demands, it has been proposed to increase the capacity of the wireless ...
    • SNM neutron detection using a time-gated synthetic aperture hybrid approach 

      Molinar, Matthew P. (Georgia Institute of Technology, 2013-08-01)
      This work focuses on using forward and adjoint transport in a hybrid application of 3-D deterministic (PENTRAN) and Monte Carlo (MCNP5) codes to model a series of neutron detector blocks. These blocks, or “channels,” contain ...
    • Sparse Modeling in Classification, Compression and Detection 

      Chen, Jihong (Georgia Institute of Technology, 2004-07-12)
      The principal focus of this thesis is the exploration of sparse structures in a variety of statistical modelling problems. While more comprehensive models can be useful to solve a larger number of problems, its calculation ...
    • Timing and frequency synchronization for orthogonal frequency division multiple-access systems 

      Gul, Malik Muhammad Usman (Georgia Institute of Technology, 2014-07-01)
      Reliable timing and frequency synchronization is a major requirement in orthogonal frequency division multiple-access (OFDMA) systems as synchronization errors can result in inter-symbol-interference (ISI) and inter-carr ...
    • Truck height determination using digital video 

      Sandidge, Matthew Jay (Georgia Institute of Technology, 2012-07-10)
      Over-height trucks are not only a hazard to the over-height trucks themselves, but they pose a threat to the bridges they come into contact with, and most importantly the other drivers on the road way when a collision takes ...
    • “What’s Eating You?” Quantifying Proteolytic Activity in Health and Disease with Novel Assays and Computational Models 

      Platt, Manu O. (Georgia Institute of Technology, 2011-09-13)
      Cathepsins are enzymes with the most powerful human collagenase and elastase activity that are upregulated at sites of normal tissue remodeling and during tissue-destructive disease progression. We study them in the context ...