Now showing items 59-78 of 152

    • The iceberg observation problem: using multiple agents to monitor and observe ablating target sources 

      Coogle, Richard A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-10)
      Ships that operate in polar regions continue to face the threat of floating ice sheets and icebergs generated from an ice ablation process. Systems have been implemented to track these threats, with varying degrees of ...
    • An Imaging Technique for Safe Spacecraft Landing and Autonomous Hazard Avoidance 

      Jones, Brandon M.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-07)
      The focus of this paper is to present an image transformation algorithm to interpret historical imagery land data for autonomous safe landing of a robotic spacecraft. Inherent geographical hazards of Martian terrain may ...
    • Improvements To Satellite-Based Albedo Measurements Using In Situ Robotic Surveying Techniques 

      Parker, Lonnie T.; English, Brittney A.; Chavis, Marcus A.; Howard, Ayanna (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2009-04)
    • Improving the performance of ANN training with an unsupervised filtering method 

      Remy, Sekou; Park, Chung Hyuk; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-06)
      Learning control strategies from examples has been identified as an important capability for many robotic systems. In this work we show how the learning process can be aided by autonomously filtering the training set ...
    • In situ interactive teaching of trustworthy robotic assistants 

      Remy, Sekou; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-10)
      In this paper we discuss a method for transferring human knowledge to a robotic platform via teleoperation. The method combines unsupervised clustering and classification with interactive instruction to enable behavior ...
    • Incorporating a Model of Human Panic Behavior for Robotic-Based Emergency Evacuation 

      Robinette, Paul; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-08)
      Evacuating a building in an emergency situation can be very confusing and dangerous. Exit signs are static and thus have no ability to convey information about congestion or danger between the sign and the actual exit door. ...
    • Increasing Motor Learning During Hand Rehabilitation Exercises Through the Use of Adaptive Games: A Pilot Study 

      English, Brittney A.; Howard, Ayanna M. (Georgia Institute of TechnologyAssociation for Computing Machinery, 2015-03)
      Physical therapy is a common treatment for the rehabilitation of hemiparesis, or the weakness of one side of the body [1]. Unfortunately, a recent study found that about one third of stroke patients who are prescribed ...
    • Increasing Super Pop VR™ Users' Intrinsic Motivation by Improving the Game's Aesthetics 

      García-Vergara, Sergio; Li, Hongfei; Howard, Ayanna M. (Georgia Institute of TechnologySpringer International, 2015-08)
      During physical therapy intervention protocols, it's important to consider the individual's intrinsic motivation to perform in-home recommended exercises. Physical therapy exercises can become tedious thus limiting the ...
    • Information Propagation Applied to Robot-Assisted Evacuation 

      Robinette, Paul; Vela, Patricio A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-05)
      Inspired by large fatality rates due to fires in crowded areas and the increasing presence of robots in dangerous emergency situations, we have implemented a model of information propagation among evacuees. Information ...
    • Information Propagation Applied to Robot-Assisted Evacuation 

      Robinette, Paul; Vela, Patricio A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-05)
      Inspired by large fatality rates due to fires in crowded areas and the increasing presence of robots in dangerous emergency situations, we have implemented a model of information propagation among evacuees. Information ...
    • An Integrated Approach for Achieving Multi-Robot Task Formations 

      Viguria Jimenez, Luis Antidio; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-04)
      In this paper, a problem, called the initial formation problem, within the multirobot task allocation domain is addressed. This problem consists in deciding which robot should go to each of the positions of the formation ...
    • An Integrated Sensing Approach for Entry, Descent, and Landing of a Robotic Spacecraft 

      Howard, Ayanna; Jones, Brandon M.; Serrano, Navid (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-01)
      We present an integrated sensing approach for enabling autonomous landing of a robotic spacecraft on a hazardous terrain surface; this approach is active during the spacecraft descent profile. The methodology incorporates ...
    • Integrating Terrain Maps into a Reactive Navigation Strategy 

      Howard, Ayanna M.; Werger, Barry; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2003-09)
      This paper presents a new method for integrating terrain maps into a reactive navigation strategy of field mobile robots operating on rough terrain. The method incorporates the Regional Traversability Map, a fuzzy map ...
    • Integrating Virtual and Human Instructors in Robotic Learning Environments 

      Howard, Ayanna; Remy, Sekou (Georgia Institute of TechnologyIPI Press, 2008)
      This paper presents two different approaches for utilizing virtual environments to enable learning for both human and robotic students. In the first approach, we showcase a 3D interactive environment that allows a human ...
    • Intelligent learning for deformable object manipulation 

      Howard, Ayanna M.; Bekey, George A. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1999-11)
      The majority of manipulation systems are designed with the assumption that the objects’being handled are rigid and do not deform when grasped. This paper addresses the problem of robotic grasping and manipulation of 3-D ...
    • Intelligent Learning for Deformable Object Manipulation 

      Howard, Ayanna; Bekey, George A. (Georgia Institute of TechnologySpringer Verlag, 2000-08)
      The majority of manipulation systems are designed with the assumption that the objects being handled are rigid and do not deform when grasped. This paper addresses the problem of robotic grasping and manipulation of 3-D ...
    • Intelligent Target Detection in Hyperspectral Imagery 

      Howard, Ayanna M.; Padgett, Curtis; Brown, Kenneth (Georgia Institute of Technology, 1999-03)
      Many applications that use hyperspectral imagery focus on detection and recognition of targets that occupy a portion of a hyperspectral pixel. We address the problem of sub-pixel target detection by evaluating individual ...
    • An intelligent terrain-based navigation system for planetary rovers 

      Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2001-12)
      A fuzzy logic framework for onboard terrain analysis and guidance towards traversable regions. An onboard terrain-based navigation system for mobile robots operating on natural terrain is presented. This system utilizes a ...
    • A Learning Approach to Enable Locomotion of Multiple Robotic Agents Operating in Natural Terrain Environments 

      Howard, Ayanna; Parker, Lonnie T.; Smith, Brian Stephen (Georgia Institute of TechnologyTSI press, 2008)
      This paper presents a methodology that utilizes soft computing approaches to enable locomotion of multiple legged robotic agents operating in natural terrain environments. For individual robotic control, the locomotion ...
    • Learning Approaches Applied to Human-Robot Interaction for Space Missions 

      Remy, Sekou; Howard, Ayanna (Georgia Institute of TechnologyTSI press, 2008)
      Advances in space science and technology have enabled humanity to reach a stage where we are able to send manned and unmanned vehicles to explore nearby planets. However, given key differences between terrestrial and space ...