Now showing items 1-20 of 23

    • Automated Macular Pathology Diagnosis in Retinal OCT Images Using Multi-Scale Spatial Pyramid and Local Binary Patterns in Texture and Shape Encoding 

      Liu, Yu-Ying; Chen, Mei; Ishikawa, Hiroshi; Wollstein, Gadi; Schuman, Joel S.; Rehg, James M. (Georgia Institute of TechnologyElsevier, 2011-10)
      We address a novel problem domain in the analysis of optical coherence tomography (OCT) images: the diagnosis of multiple macular pathologies in retinal OCT images. The goal is to identify the presence of normal macula and ...
    • Autonomous Environment Manipulation to Assist Humanoid Locomotion 

      Levihn, Martin; Nishiwaki, Koichi; Kagami, Satoshi; Stilman, Mike (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2014)
      Legged robots have unique capabilities to traverse complex environments by stepping over and onto objects. Many footstep planners have been developed to take advantage of these capabilities. However, legged robots also ...
    • Covariance Recovery from a Square Root Information Matrix for Data Association 

      Kaess, Michael; Dellaert, Frank (Georgia Institute of TechnologyElsevier, 2009)
      Data association is one of the core problems of simultaneous localization and mapping (SLAM), and it requires knowledge about the uncertainties of the estimation problem in the form of marginal covariances. However, it ...
    • Designing and processing parametric models of steady lattices 

      Gupta, Ashish; Kurzeja, Kelsey; Rossignac, Jarek; Allen, George; Kumar, Pranav Srinivas; Musuvathy, Suraj (2018)
      Our goal is to facilitate the design, analysis, optimization, and additive manufacturing of a specific class of 3D lattices that may comprise an extremely large number of elements. We target curved lattices that exhibit ...
    • Dynamic Chess: Strategic Planning for Robot Motion 

      Kunz, Tobias; Kingston, Peter; Stilman, Mike; Egerstedt, Magnus B. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-05)
      We introduce and experimentally validate a novel algorithmic model for physical human-robot interaction with hybrid dynamics. Our computational solutions are complementary to passive and compliant hardware. We focus on ...
    • Geography Education for Pre-School to K-8 Children using Mobile Technologies - A High-Fidelity Prototype 

      Mohiuddin, Maksood (Georgia Institute of Technology, 2017-08)
      Amalgamation of intelligent tutoring systems, game based learning and simulation based learning in a mobile app can be effective way to engage preschool to K-8 student in geography education. Research on different ...
    • Inferring Meal Eating Activities in Real World Settings from Ambient Sounds: A Feasibility Study 

      Thomaz, Edison; Zhang, Cheng; Essa, Irfan; Abowd, Gregory D. (Georgia Institute of TechnologyAssociation for Computing Machinery, 2015)
      Dietary self-monitoring has been shown to be an effective method for weight-loss, but it remains an onerous task despite recent advances in food journaling systems. Semi-automated food journaling can reduce the effort of ...
    • Keyframe-based Learning from Demonstration Method and Evaluation 

      Akgun, Baris; Cakmak, Maya; Jiang, Karl; Thomaz, Andrea L. (Georgia Institute of TechnologySpringer, 2012-06)
      We present a framework for learning skills from novel types of demonstrations that have been shown to be desirable from a human-robot interaction perspective. Our approach –Keyframe-based Learning from Demonstration (KLfD)– ...
    • Learning about Objects with Human Teachers 

      Thomaz, Andrea L.; Cakmak, Maya (Georgia Institute of TechnologyAssociation for Computing Machinery, 2009)
      A general learning task for a robot in a new environment is to learn about objects and what actions/effects they afford. To approach this, we look at ways that a human partner can intuitively help the robot learn, ...
    • Measurement Errors in Visual Servoing 

      Kryki, V.; Kragic, Danica; Christensen, Henrik I. (Georgia Institute of TechnologyElsevier, 2006-10)
      This paper addresses the issue of measurement errors in visual servoing. The error characteristics of the vision based state estimation and the associated uncertainty of the control are investigated. The major contribution ...
    • Methods to Improve the Field of Intelligent Tutoring Systems using Emotion-based Agents 

      Roth, Michael (Georgia Institute of Technology, 2016-02)
      The aim of this paper is to review select current methods used in the field of Intelligent Tutoring Systems (ITS) with respect to the use of emotion-based agents and how those systems interact with the learner to capture ...
    • Mimesis Aegis: A Mimicry Privacy Shield 

      Lau, Billy; Chung, Simon; Song, Chengyu; Jang, Yeongjin; Lee, Wenke; Boldyreva, Alexandra (Georgia Institute of Technology, 2014-07)
      Users are increasingly storing, accessing, and exchanging data through public cloud services such as those provided by Google, Facebook, Apple, and Microsoft. Although users may want to have faith in cloud providers ...
    • Monitoring Dressing Activity Failures Through RFID and Video 

      Matic, Aleksandar; Mehta, P.; Rehg, James M.; Osmani, Venet; Mayora, Oscar (Georgia Institute of TechnologySchattauer, 2012)
    • Multi-Cue Contingency Detection 

      Lee, Jinhan; Chao, Crystal; Bobick, Aaron F.; Thomaz, Andrea L. (Georgia Institute of TechnologySpringer, 2012-04)
      The ability to detect a human's contingent response is an essential skill for a social robot attempting to engage new interaction partners or maintain ongoing turn-taking interactions. Prior work on contingency detection ...
    • Online Student Engagement: Problems and Potential Solutions 

      Bartlett, Samuel A. (Georgia Institute of Technology, 2016-02)
      Students in online-only degree-seeking programs are less likely to complete courses and programs of study than their peers in face-to-face classes. Student disengagement is one of the greatest risk factors for non-completion ...
    • A Practical Approach for Recognizing Eating Moments With Wrist-Mounted Inertial Sensing 

      Thomaz, Edison; Essa, Irfan; Abowd, Gregory D. (Georgia Institute of TechnologyAssociation for Computing Machinery, 2015)
      Recognizing when eating activities take place is one of the key challenges in automated food intake monitoring. Despite progress over the years, most proposed approaches have been largely impractical for everyday usage, ...
    • Probabilistic Structure Matching for Visual SLAM with a Multi-Camera Rig 

      Kaess, Michael; Dellaert, Frank (Georgia Institute of TechnologyElsevier, 2010-02)
      We propose to use a multi-camera rig for simultaneous localization and mapping (SLAM), providing flexibility in sensor placement on mobile robot platforms while exploiting the stronger localization constraints provided ...
    • RangeFinder: Accelerating ball-interference queries against steady lattices 

      Kurzeja, Kelsey; Rossignac, Jarek (Georgia Institute of Technology, 2018)
      Advances in additive manufacturing techniques are enabling the fabrication of new microstructures and materials. These may often be defined in terms of a set of balls and of beams that each connects two balls. To support ...
    • Reactive Tuning of Target Estimate Accuracy in Multi-Sensor Data Fusion 

      Xiong, Ning; Christensen, Henrik I.; Svensson, Per (Georgia Institute of TechnologyTaylor & Francis, 2007-01)
      Dealing with conflicting and target-specific requirements is an important issue in multi-sensor and multi-target tracking. This paper aims to allocate sensing resources among various targets in reaction to individual ...
    • A realistic benchmark for visual indoor place recognition 

      Pronobis, A.; Caputo, B.; Jensfelt, Patric; Christensen, Henrik I. (Georgia Institute of TechnologyElsevier, 2009-08)
      An important competence for a mobile robot system is the ability to localize and perform context interpretation. This is required to perform basic navigation and to facilitate local specific services. Recent advances in ...