Prof. Jason O. Hallstrom


Director of the Institute for Sensing and Embedded Network Systems Engineering (I-SENSE) Florida Atlantic University (FAU)

Interdisciplinary Adventures in Applied Sensing

This talk is organized into three parts: In the first part, I will present an overview of the I-SENSE institute (see below) operational model, followed by a survey of engineering research and applications led through the institute. Active areas of programmatic emphasis include Infrastructure Systems, Marine and Environment, and Health and Behavior. In the second part, I will describe an incremental code update strategy used to ef¬ficiently reprogram resource-constrained devices. We adapt a linear space and quadratic time algorithm (Hirschberg 's algorithm) for computing maximal common subsequences to build an edit map specifying an edit sequence, required to transform the code running in a sensor network to a new code image. We then present a heuristic-based optimization strategy for efficient edit script encoding to reduce the edit map size. In the final part of the talk, I will revisit the classic object tracking problem with an effective, yet straightforward distributed solution for resource-lean devices. The system is based on a distributed, dynamically-scoped tracking algorithm which alters the event detection region and reporting rate based on object speed. A leader node records the detected samples across the event region and estimates the object’s location in situ. We study the performance of the tracking implementation on an 80-node testbed. Bio: Jason O. Hallstrom is a Professor of Computer and Electrical Engineering and Computer Science. His expertise is in the design, deployment, and management of wireless sensing infrastructure, with an emphasis on sensor platform design. His work is currently supported through the National Science Foundation, NOAA, and Wells Fargo, and was previously supported through the NSF, EPA, USDA, NASA, and others. Dr. Hallstrom previously served as the Director of Technology for the Institute of Computational Ecology at Clemson University. He now serves as Director of Florida Atlantic University’s Institute for Sensing and Embedded Network Systems Engineering (I-SENSE). I-SENSE coordinates university activities in Sensing and Smart Systems, one of four institutional emphasis areas. I-SENSE is a technology clearinghouse for sensing, communication, data management, data analytics, and security technologies and serves as an interdisciplinary hub, catalyzing research initiatives that crosscut disciplines, academia, government, and industry. I-SENSE capabilities support two interconnected areas of emphasis. The first is in the area of sensing, ranging from the capture of environmental conditions in terrestrial and marine environments, to the capture of physiological and ambulatory signals in athletes and patients. The second area of emphasis is in smart systems, leveraging networked sensors to provide real-time awareness of conditions, trends, and patterns, and to automate control of the sensed environment, vehicle, or object. This includes systems that support improved awareness of physical, social, and digital processes, among other complex information environments.

Date: Tue 23 Oct 2018

Start Time: 11:30

1061 | Electrical Eng. Building