Now showing items 21-40 of 228

    • Adsorption and desorption kinetics of Ga on GaN(0001): Application of Wolkenstein theory 

      Brown, April S; Bruno, G; Kim, TH; Losurdo, M (Physical Review B - Condensed Matter and Materials Physics, 2010-08-26)
      The kinetics of Ga adsorption/desorption on GaN(0001) surfaces is investigated over the temperature range of 680-750°C using real-time spectroscopic ellipsometry. The adsorption and desorption kinetics are described in the ...
    • An active learning approach for rapid characterization of endothelial cells in human tumors. 

      Carin, Lawrence; Dipaola, RS; Feldman, MD; Flaherty, KT; Griffith, SD; Heitjan, DF; Hu, J; ... (17 authors) (PLoS One, 2014)
      Currently, no available pathological or molecular measures of tumor angiogenesis predict response to antiangiogenic therapies used in clinical practice. Recognizing that tumor endothelial cells (EC) and EC activation and ...
    • An energy-efficient data delivery scheme for delay-sensitive traffic in wireless sensor networks 

      Chakrabarty, Krishnendu; Sabbineni, H (International Journal of Distributed Sensor Networks, 2010-12-01)
      We propose a novel data-delivery method for delay-sensitive traffic that significantly reduces the energy consumption in wireless sensor networks without reducing the number of packets that meet end-to-end real-time deadlines. ...
    • An integrated transcriptome and expressed variant analysis of sepsis survival and death. 

      Cairns, CB; Carin, Lawrence; Corey, GR; Dinwiddie, DL; Fowler, Vance Garrison Jr; Ginsburg, Geoffrey Steven; Glickman, Seth W; ... (24 authors) (Genome Med, 2014)
      BACKGROUND: Sepsis, a leading cause of morbidity and mortality, is not a homogeneous disease but rather a syndrome encompassing many heterogeneous pathophysiologies. Patient factors including genetics predispose to poor ...
    • An ocean sensor for measuring the seawater electrochemical response of 8 metals referenced to zinc, for determining ocean pH. 

      Bau, B; Bhatt, E; Brooke, M; Cole, E; Dale, J; Nowacek, Douglas; Prasad, A; ... (8 authors) (Proceedings of the International Conference on Sensing Technology, ICST, 2016-03-21)
      © 2015 IEEE.We describe the use of a multi-metal electrochemical cell for measuring ocean pH. The sensor was designed to be robust, inexpensive, and capable of 0.02 sensitivity to pH in the narrow ranges required for marine ...
    • Analysis and Observations From the First Amazon Picking Challenge 

      Correll, N; Bekris, KE; Berenson, D; Brock, O; Causo, A; Hauser, Kris; Okada, K; ... (10 authors) (IEEE Transactions on Automation Science and Engineering, 2016)
    • Analysis of 3-panel and 4-panel microscale ionization sources 

      Natarajan, S; Parker, CB; Piascik, JR; Gilchrist, KH; Stoner, BR; Glass, JT (Journal of Applied Physics, 2010-06-15)
      Two designs of a microscale electron ionization (EI) source are analyzed herein: a 3-panel design and a 4-panel design. Devices were fabricated using microelectromechanical systems technology. Field emission from carbon ...
    • Analysis of the power dependent tuning of a varactor-loaded metamaterial at microwave frequencies 

      Huang, D; Poutrina, E; Smith, David R (Applied Physics Letters, 2010-03-26)
      We present an analysis of the nonlinear, power-dependent resonance frequency shift for two metamaterial mediums consisting of arrays of varactor-loaded split ring resonators (VLSRRs). We confirm that, over a limited range ...
    • Analytic expressions for the constitutive parameters of magnetoelectric metamaterials 

      Smith, David R (Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 2010-03-17)
      Electromagnetic metamaterials are artificially structured media typically composed of arrays of resonant electromagnetic circuits, the dimension and spacing of which are considerably smaller than the free-space wavelengths ...
    • Analytic-domain lens design with proximate ray tracing. 

      Brady, David J; Hagen, N; Zheng, N (J Opt Soc Am A Opt Image Sci Vis, 2010-08-01)
      We have developed an alternative approach to optical design which operates in the analytical domain so that an optical designer works directly with rays as analytical functions of system parameters rather than as discretely ...
    • Architectural implications of nanoscale-integrated sensing and computing 

      Pistol, C; Chongchitmate, W; Dwyer, C; Lebeck, AR (IEEE Micro, 2010-01-01)
      The authors explore nanoscale sensor processor (nSP) architectures. Their design includes a simple accumulator-based instruction-set architecture, sensors, limited memory, and instruction-fused sensing. Using nSP technology ...
    • Artificial intelligence for art investigation: Meeting the challenge of separating x-ray images of the Ghent Altarpiece. 

      Daubechies, Ingrid; Sober, Barak; Sabetsarvestani, Z; Higgitt, C; Rodrigues, MRD (Science advances, 2019-08-30)
      X-ray images of polyptych wings, or other artworks painted on both sides of their support, contain in one image content from both paintings, making them difficult for experts to "read." To improve the utility of these x-ray ...
    • Atomic layer deposition for electrochemical energy generation and storage systems 

      Peng, Q; Lewis, JS; Hoertz, PG; Glass, JT; Parsons, GN (Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, 2012-01-01)
      Clean renewable energy sources (e.g., solar, wind, and hydro) offers the most promising solution to energy and environmental sustainability. On the other hand, owing to the spatial and temporal variations of renewable energy ...
    • Attack-resilient sensor fusion for safety-critical cyber-physical systems 

      Ivanov, R; Lee, Insup; Pajic, M (ACM Transactions on Embedded Computing Systems, 2016-02-01)
      © 2016 ACM.This article focuses on the design of safe and attack-resilient Cyber-Physical Systems (CPS) equipped with multiple sensors measuring the same physical variable. A malicious attacker may be able to disrupt system ...
    • Attack-Resilient State Estimation in the Presence of Noise 

      Lee, Insup; Pajic, M; Pappas, GJ; Tabuada, P
      We consider the problem of attack-resilient state estimation in the presence of noise. We focus on the most general model for sensor attacks where {any} signal can be injected via the compromised sensors. An $l_0$-based ...
    • Augment-and-conquer negative binomial processes 

      Carin, Lawrence; Zhou, M (Advances in Neural Information Processing Systems, 2012-12-01)
      By developing data augmentation methods unique to the negative binomial (NB) distribution, we unite seemingly disjoint count and mixture models under the NB process framework. We develop fundamental properties of the models ...
    • Automatic detection of solar photovoltaic arrays in high resolution aerial imagery 

      Bradbury, Kyle; Collins, Leslie; Malof, Jordan; Newell, Richard G (Applied Energy, 2016-12)
      © 2016 Elsevier Ltd The quantity of small scale solar photovoltaic (PV) arrays in the United States has grown rapidly in recent years. As a result, there is substantial interest in high quality information about the quantity, ...
    • Automatic segmentation of seven retinal layers in SDOCT images congruent with expert manual segmentation. 

      Chiu, SJ; Li, XT; Nicholas, P; Toth, CA; Izatt, JA; Farsiu, S (Opt Express, 2010-08-30)
      Segmentation of anatomical and pathological structures in ophthalmic images is crucial for the diagnosis and study of ocular diseases. However, manual segmentation is often a time-consuming and subjective process. This paper ...
    • Automatic verification of linear controller software 

      Lee, Insup; Pajic, M; Pappas, GJ; Park, J; Sokolsky, O (2015 Proceedings of the International Conference on Embedded Software, EMSOFT 2015, 2015-11-04)
      © 2015 IEEE.We consider the problem of verification of software implementations of linear time-invariant controllers. Commonly, different implementations use different representations of the controller's state, for example ...
    • Bayesian crack detection in ultra high resolution multimodal images of paintings 

      Cornelis, Bruno Ingmar; Daubechies, Ingrid; Dooms, A; Dunson, David B; Vogelstein, Joshua T; Yang, Y (2013 18th International Conference on Digital Signal Processing, DSP 2013, 2013-12-06)
      The preservation of our cultural heritage is of paramount importance. Thanks to recent developments in digital acquisition techniques, powerful image analysis algorithms are developed which can be useful non-invasive tools ...