Now showing items 104-123 of 152

    • Real Conversion of GIS Contour Maps into Surface Disigital Elevation Models for Robotic Surveying 

      Mei, Henry (Heqing); Parker, Lonnie T.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-10)
      With the advent of new technologies, robotic surveying systems are being developed to facilitate the collection of ground-based information to validate and complement data collected by traditional and satellite-based ...
    • Real Time Intelligent Target Detection and Analysis with Machine Vision 

      Howard, Ayanna M.; Padgett, Curtis; Brown, Kenneth (Georgia Institute of Technology, 2000-06)
      This paper presents an algorithm for detecting a specified set of target objects embedded in visual imagery for an Automatic Target Recognition (ATR) application. ATR involves processing images for detecting, classifying, ...
    • Real World Haptic Exploration for Telepresence of the Visually Impaired 

      Park, Chung Hyuk; Howard, Ayanna M. (Georgia Institute of TechnologyACM, 2012-03)
      Robotic assistance through telepresence technology is an emerging area in aiding the visually impaired. By integrating the robotic perception of a remote environment and transferring it to a human user through haptic ...
    • Real-Time Assessment of Terrain Traversability for Autonomous Rover Navigation 

      Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2000-11)
      This paper presents a novel technique for real-time measurement of terrain characteristics and incorporation of this information into the navigation strategy of an autonomous mobile robot. The proposed methodology utilizes ...
    • A Real-Time Autonomous Rover Navigation System 

      Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of Technology, 2000-06)
      To enable real-time autonomous navigation, a mobile robot is equipped with on-board processing power, image-processing algorithms, and a fuzzy computation engine that allow the rover to safely navigate to a designated goal ...
    • Real-time Haptic Rendering and Haptic Telepresence of the Visually Impaired 

      Park, Chung Hyuk; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-04)
      This paper presents a robotic system that provides telepresence to the visually impaired by combining real-time haptic rendering with multi-modal interaction. A virtual-proxy based haptic rendering process using a RGB-D ...
    • A Real-Time Model to Assess Student Engagement During Interaction with Intelligent Educational Agents 

      Brown, LaVonda; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Society for Engineering Education, 2014-06)
      Adaptive learning is an educational method that utilizes computers as an interactive teaching device. Intelligent tutoring systems, or educational agents, use adaptive learning techniques to adapt to each student’s needs ...
    • Realization of the Sensor Web Concept for Earth Science Using Mobile Robotic Platforms 

      Howard, Ayanna M.; Smith, Brian Stephen; Egerstedt, Magnus B. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-03)
      In this paper, we discuss the realization of a robotic mobile sensor network that allows for controlled reconfiguration of sensor assets in a decentralized manner. The motivation is to allow the construction of a new system ...
    • A Reconfigurable Robotic Exploration Vehicle for Extreme Environments 

      Howard, Ayanna (Georgia Institute of TechnologyTSI press, 2004-06)
    • Recursive Learning for Deformable Object Manipulation 

      Howard, Ayanna M.; Bekey, George A. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1997-07)
      This paper presents a generalized approach to handling of 3D deformable objects. Our task is to learn robotic grasping characteristics for a non-rigid object represented by a physically-based model. The model is derived ...
    • Retrieving Experience: Interactive Instance-based Learning Methods for Building Robot Companions 

      Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2015-05)
      A robot companion should adapt to its user’s needs by learning to perform new tasks. In this paper, we present a robot playmate that learns and adapts to tasks chosen by the child on a touchscreen tablet. We aim to solve ...
    • Robot Learners: Interactive Instance-based Learning and Its Application to Therapeutic Tasks 

      Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyAssociation for the Advancement of Artificial Intelligence, 2014-11)
      Programming a robot to perform tasks requires training that is beyond the skill level of most individuals. To address this issue, we focus on developing a method that identifies keywords used to convey task knowledge ...
    • A Robotic Mobile Sensor Network for Achieving Scientific Measurements in Challenging Environments 

      Williams, Stephen; Viguria Jimenez, Luis Antidio; Howard, Ayanna M. (Georgia Institute of TechnologyNASA, 2008-06)
      Recently, it has been discovered that the giant ice sheets covering Greenland and Antarctica have been shrinking at an accelerated rate. While it is believed that these regions hold important information related to global ...
    • Robotic Resource Allocation for the Observation of Ablating Target Sources 

      Coogle, Richard A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2014-10)
      Icebergs generated from ice ablation processes continue to be a threat for operations conducted in polar regions. Systems that have been developed to track and observe these threats often use either space-based radar ...
    • Robots and Therapeutic Play: Evaluation of a Wireless Interface Device for Interaction with a Robot Playmate 

      Roberts, Luke; Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012)
      Rehabilitation robots in home environments has the potential to dramatically improve quality of life for individuals who experience disabling circumstances due to injury or chronic health conditions. Unfortunately, although ...
    • Robots learn to play: robots emerging role in pediatric therapy 

      Howard, Ayanna M. (Georgia Institute of TechnologyAssociation for the Advancement of Artificial Intelligence, 2013-05)
      There is an estimated 150 million children worldwide living with a disability. For many of these children in the U.S., physical therapy is provided as an intervention mechanism to support the child’s academic, developmental, ...
    • Role Allocation in Human-Robot Interaction Schemes for Mission Scenario Execution, 

      Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-05)
      In this paper, we focus on the problem of maximizing system performance for future space exploration missions involving both human and robot agents. One of the main challenges in human-robot interaction scenarios is ...
    • A Rule-Based Fuzzy Safety Index for Landing Site Risk Assessmen 

      Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2002-06)
      This paper presents a fuzzy rule-based safety index that quantifies the ease-of-landing a spacecraft on a planetary surface based on sensor-derived measurements of terrain characteristics. These characteristics include, ...
    • A Rule-Based Fuzzy Traversability Index for Mobile Robot Navigation 

      Howard, Ayanna M.; Seraji, Homayoun; Tunstel, Edward (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2001-05)
      This paper presents a rule-based fuzzy traversability index that quantifies the ease-of-traversal of a terrain by a mobile robot based on real-time measurements of terrain characteristics retrieved from imagery data. These ...
    • Rule-based reasoning and neural network perception for safe off-road robot mobility 

      Tunstel, Edward; Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyWiley-Blackwell, 2002-09)
      Operational safety and health monitoring are critical matters for autonomous field mobile robots such as planetary rovers operating on challenging terrain. This paper describes relevant rover safety and health issues and ...