Now showing items 1-20 of 28

    • A CRF that combines tactile sensing and vision for haptic mapping 

      Asoka Kumar Shenoi, Ashwin Kumar (Georgia Institute of Technology, 2016-05-02)
      We consider the problem of enabling a robot to efficiently obtain a dense haptic map of its visible surroundings Using the complementary properties of vision and tactile sensing. Our approach assumes that visible surfaces ...
    • Approaches to Vision-Based Formation Control 

      Johnson, Eric N.; Calise, Anthony J.; Sattigeri, Ramachandra J.; Watanabe, Yoko; Madyastha, Venkatesh (Georgia Institute of TechnologyIEEE, 2004-12)
      This paper implements several methods for performing vision-based formation flight control of multiple aircraft in the presence of obstacles. No information is communicated between aircraft, and only passive 2-D ...
    • Can Audio Enhance Visual Perception and Performance in a Virtual Environment? 

      Davis, Elizabeth Thorpe; Scott, Kevin; Pair, Jarrell; Hodges, Larry F.; Oliverio, James (Georgia Institute of Technology, 1999)
      Does the addition of audio enhance visual perception and performance within a virtual environment? To address this issue we used both a questionnaire and an experimental test of the effect of audio on recall and recognition ...
    • Cubical homology and the topological classification of 2D and 3D imagery 

      Allili, Madjid; Mischaikow, Konstantin; Tannenbaum, Allen R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2001-10)
      There are a number of tasks in low level vision and image processing that involve computing certain topological characteristics of objects in a given image including connectivity and the number of holes. We combine a new ...
    • Development and Test of Highly Autonomous Unmanned Aerial Vehicles 

      Johnson, Eric N.; Proctor, Alison A.; Ha, Jin-Cheol; Tannenbaum, Allen R. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2004-12)
      This paper describes the design, development, and testing of Unmanned Aerial Vehicles (UAV) with highly automated search capabilities. Here, systems are able to respond on their own in the presence of considerable uncertainty ...
    • ERP Correlates of Visuospatial Attention 

      Chung, Andy (Georgia Institute of Technology, 2010-03-16)
      At almost every given moment, the visual system in our brain is constantly bombarded by visual stimuli. Unfortunately, our brain does not have an infinite amount of neurons to process every visual stimulus in the environment ...
    • Estimation and Guidance Strategies for Vision-based Target Tracking 

      Calise, Anthony J.; Johnson, Eric N.; Sattigeri, Ramachandra J.; Watanabe, Yoko; Madyastha, Venkatesh (Georgia Institute of TechnologyAACC, 2005-06)
      This paper discusses estimation and guidance strategies for vision-based target tracking. Specific applications include formation control of multiple unmanned aerial vehicles (UAVs) and air-to-air refueling. We assume that ...
    • An investigation of human capability to predict the future location of objects in motion 

      Kelling, Nicholas J. (Georgia Institute of Technology, 2009-04-06)
      Hitting a Major League fastball pitch may be the most difficult task in the sports realm. Anecdotal evidence suggests that certain individuals are able to perform this task reasonably well, perhaps because of superior ...
    • Low cost, high performance robot design utilizing off-the-shelf parts and the Beowulf concept, The Beobot project 

      Mundhenk, T. Nathan; Ackerman, Christopher; Chung, Daesu; Dhavale, Nitin; Hudson, Brian; Hirata, Reid; Pichon, Eric; Shi, Zhan; Tsui, April; Itti, Laurent (Georgia Institute of TechnologySociety of Photo-Optical Instrumentation Engineers, 2003-10)
      Utilizing off the shelf low cost parts, we have constructed a robot that is small, light, powerful and relatively inexpensive (< $3900). The system is constructed around the Beowulf concept of linking multiple discrete ...
    • Methods for Localization and Mapping Using Vision and Inertial Sensors 

      Wu, Allen D.; Johnson, Eric N. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2008-08)
      The problems of vision-based localization and mapping are currently highly active areas of research for aerial systems. With a wealth of information available in each image, vision sensors allow vehicles to gather data ...
    • Motion Based Decompositing of Video 

      Brostow, Gabriel Julian; Essa, Irfan A. (Georgia Institute of Technology, 1999)
      We present a method to decompose video sequences into layers that represent the relative depths of complex scenes. Our method combines spatial information with temporal occlusions to determine relative depths of these ...
    • Multi-camera uncalibrated visual servoing 

      Marshall, Matthew Q. (Georgia Institute of Technology, 2013-07-02)
      Uncalibrated visual servoing (VS) can improve robot performance without needing camera and robot parameters. Multiple cameras improve uncalibrated VS precision, but no works exist simultaneously using more than two cameras. ...
    • Multimodal tracking for robust pose estimation 

      Singhal, Prateek (Georgia Institute of Technology, 2016-05-03)
      An on-line 3D visual object tracking framework for monocular cameras by incorporating spatial knowledge and uncertainty from semantic mapping along with high frequency measurements from visual odometry is presented. Using ...
    • The Neural Correlates of Within Category Competition for Visual Representation 

      Chung, Andy (Georgia Institute of Technology, 2011-05-09)
      Electroencephalography (EEG) was used to study the mechanisms of categorical perception in neurologically-normal participants. Inferring from previous studies, the N1 component of the event related potential (ERP) was ...
    • Real-Time Vision-Based Relative Aircraft Navigation 

      Johnson, Eric N.; Calise, Anthony J.; Watanabe, Yoko; Ha, Jin-Cheol; Neidhoefer, James C. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2007-03)
      This paper describes two vision-based techniques for the navigation of an aircraft relative to an airborne target using only information from a single camera fixed to the aircraft. These techniques are motivated by ...
    • Robotics and Vision 

      Dellaert, Frank (Georgia Institute of Technology, 2012-08-28)
    • Sensory gain control at fixation 

      DeVylder, Jordan (Georgia Institute of Technology, 2008-11-19)
      One mechanism by which spatial attention affects visual perception is through the alteration of the signal-to-noise ratio for a particular stimulus. This is known as sensory gain control. Sensory gain effects can be measured ...
    • Single camera based vision systems for ground and; aerial robots 

      Shah, Syed Irtiza Ali (Georgia Institute of Technology, 2010-08-11)
      Efficient and effective vision systems are proposed in this work for object detection for ground&aerial robots venturing into unknown environments with minimum vision aids, i.e. a single camera. The first problem attempted ...
    • A sparse coding model of V1 produces surround suppression effects in response to natural scenes 

      Del Giorno, Allie (Georgia Institute of Technology, 2013-05-08)
      Recent electrophysiology research has made significant advancements toward revealing the neural basis of early visual processing. The brain is optimized to draw conclusions from natural scenes, and models of the human ...
    • Tracking Retinal Motion with a Scanning Laser Ophthalmoscope 

      Xu, Zhiheng; Schuchard, David Ross; Benkeser, Paul J. (Georgia Institute of TechnologyU.S. Department of Veterans Affairs, 2005)
      MathWorks, Natick, MA) software. The new software technique was experimentally tested on both normal- and low-vision subjects and compared with the results obtained using manual techniques. The findings indicate that the ...