National security publications
-
Scanning Gate Microscopy of Localized States in Wide Graphene Constrictions
We use a scanning gate microscope to probe a short, wide graphene constriction and observe a set of ring-shaped resonances in maps of the graphene conductance as a function of…
-
Pharmacogenetic Smoking Cessation Intervention in a Health Care Setting: A Pilot Feasibility Study
We conducted a multiphased, mixed-methods feasibility study with current smokers to develop and evaluate a patient-centered, theoretically grounded personalized medicine treatment protocol.
-
R-MASTIF: Robotic Mobile Autonomous System for Threat Interrogation and Object Fetch
The SRI-UPenn team fielded a modified Segway RMP 200 robot with multiple cameras and lidars. We implemented a unique computer vision based approach for textureless colored object training and detection…
-
A New Stratospheric and Tropospheric NO2 Retrieval Algorithm for Nadir-Viewing Satellite Instruments: Applications to OMI
We describe a new algorithm for the retrieval of nitrogen dioxide (NO2) vertical columns from nadir-viewing satellite instruments.
-
Replaying the Fracture Process of a Failed Space Shuttle Orbiter Thruster
The work shows how a failure event can be replayed through fracture surface topography analysis, FRASTA, and how information on load conditions, relative crack growth rates, and fracture mechanics parameters…
-
Implementation of an Augmented Reality System for Training Dismounted Warfighters
We describe the technical methods and experimental results on building an Augmented Reality Training system for training dismounts doing maneuver operations.
-
Experimental Investigation of Hydrogen Release and Ignition from Fuel Cell Powered Forklifts in Enclosed Spaces
Conducted experiments were devised to assess the utility of modeling approaches used to analyze potential consequences from ignited hydrogen leaks in facilities certified according to existing code language.
-
Multi-Sensor Navigation Algorithm Using Monocular Camera, IMU and GPS for Large Scale Augmented Reality
Camera tracking system for augmented reality applications that can operate both indoors and outdoors is described. The system uses a monocular camera, a MEMS-type inertial measurement unit (IMU) with 3-axis…
-
Multi-Resolution Real-Time Dense Stereo Vision Processing in FPGA
In this paper, we present a low-power, high performance FPGA implementation of a stereo algorithm suitable for embedded real-time platforms.
-
Releases from Hydrogen Fuel-Cell Vehicles in Tunnels
To investigate potential consequences, a combined experimental and modeling study has been performed to characterize releases from a hydrogen fuel-cell vehicle inside a tunnel.
-
The Use of Pattern Recognition Technology to Generate New Approaches to Prematurity Research
-
Tracking Group Targets Using Hypergraph Matching in Data Association
This paper reformulates the traditional MTT data association problem as an hypergraph matching one between the hypergraphs formed from tracks and observations, and shows that the traditional approach which is…