Human Activity Recognition: Using Wearable Sensors and Smartphones, 1st Edition (Hardback) book cover

Human Activity Recognition

Using Wearable Sensors and Smartphones, 1st Edition

By Miguel A. Labrador, Oscar D. Lara Yejas

Chapman and Hall/CRC

207 pages | 41 B/W Illus.

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Description

Learn How to Design and Implement HAR Systems

The pervasiveness and range of capabilities of today’s mobile devices have enabled a wide spectrum of mobile applications that are transforming our daily lives, from smartphones equipped with GPS to integrated mobile sensors that acquire physiological data. Human Activity Recognition: Using Wearable Sensors and Smartphones focuses on the automatic identification of human activities from pervasive wearable sensors—a crucial component for health monitoring and also applicable to other areas, such as entertainment and tactical operations.

Developed from the authors’ nearly four years of rigorous research in the field, the book covers the theory, fundamentals, and applications of human activity recognition (HAR). The authors examine how machine learning and pattern recognition tools help determine a user’s activity during a certain period of time. They propose two systems for performing HAR: Centinela, an offline server-oriented HAR system, and Vigilante, a completely mobile real-time activity recognition system. The book also provides a practical guide to the development of activity recognition applications in the Android framework.

Table of Contents

Human Activity Recognition: Theory Fundamentals

Introduction

Human activity recognition approaches

Human activity recognition with wearable sensors

Human activity recognition problem

Structure of the book

Human Activity Recognition

Design issues

Activity recognition methods

Evaluating HAR systems

State of the Art in HAR Systems

Evaluation of HAR systems

Online HAR systems

Supervised offline systems

Semi-supervised approaches

Incorporating Physiological Signals to Improve Activity Recognition Accuracy

Description of the system

Evaluation

Concluding remarks

Enabling Real-Time Activity Recognition

Existing mobile real-time HAR systems

Proposed system

Evaluation

Concluding remarks

New Fusion and Selection Strategies in Multiple Classifier Systems

Types of multiple classifier systems

Classifier-level approaches

Combination-level approaches

Probabilistic strategies in multiple classifier systems

Evaluation

Concluding remarks

Conclusions

Summary of findings and results

Future research considerations

HAR in an Android Smartphone: A Practical Guide

Introduction to Android

Android platform

Android application components

Getting Ready to Develop Android Applications

Installing the software development environment

A Hello World application

Skeleton of an Android application

Running Android applications

Using the Smartphone’s Sensors

An example application

Bluetooth Connectivity in Android

Exchanging data with an external device via Bluetooth

Saving and Retrieving Data in an Android Smartphone

Shared preferences

Working with files

SQLite databases

Feature Extraction

Data representation

Feature extraction computations

Real-Time Classification in Smartphones Using WEKA

A first look into Weka

Weka API

Enabling Weka in an Android smartphone

Real-time activity recognition

Bibliography

Index

About the Authors

Miguel A. Labrador earned his M.Sc. in telecommunications and the Ph.D. degree in information science with concentration in telecommunications from the University of Pittsburgh, in 1994 and 2000, respectively. Since 2001, he has been with the University of South Florida, Tampa, where he is currently a full professor in the department of computer science and engineering, the director of the graduate programs, and the director of the research experiences for undergraduates program. His research interests are in ubiquitous sensing, location-based services, energy-efficient mechanisms for wireless sensor networks, and design and performance evaluation of computer networks and communication protocols. He has published more than 100 technical and educational papers in journals and conferences devoted to these topics. Dr. Labrador has served as technical program committee member of many IEEE conferences and is currently area editor of Computer Communications and editorial board member of the Journal of Network and Computer Applications, both Elsevier Science journals. Dr. Labrador is the lead author of Location-Based Information Systems: Developing Real-Time Tracking Applications, Taylor & Francis, and Topology Control in Wireless Sensor Networks, Springer. Dr. Labrador is senior member of the IEEE and a member of ACM, ASEE and Beta Phi Mu.

Oscar D. Lara Yejas received his B.Sc. in systems engineering from Universidad del Norte, Barranquilla, Colombia, in 2007. He received his M.Sc. in computer science in 2010 and his Ph.D. in computer science and engineering in 2012, both from the University of South Florida. Dr. Lara Yejas has significant industry experience in the public utilities sector, leading projects related to mobile visualization of geographic and cartographic information, real-time tracking applications, and telemetry. He has also worked on intelligent transportation systems with the Center for Urban Transportation Research (CUTR) at the University of South Florida. He was part of the development team of the Travel Assistance Device (TAD), a mobile application for aiding cognitively disabled people to use public transportation. Dr. Lara Yejas’ dissertation on human activity recognition with wearable sensors under the advising of Dr. Labrador has given birth to this book. In 2012, Dr. Lara Yejas joined International Business Machines Corporation (IBM) within the InfoSphere BigInsights group. His current work focuses on large-scale analytics in distributed computing environments. Further research interests of his encompass but are not limited to machine learning, big data analytics, location-based systems, as well as multiobjective optimization using swarm intelligence methods.

About the Series

Chapman & Hall/CRC Computer and Information Science Series

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Subject Categories

BISAC Subject Codes/Headings:
COM012040
COMPUTERS / Programming / Games
COM037000
COMPUTERS / Machine Theory
COM051230
COMPUTERS / Software Development & Engineering / General
MAT000000
MATHEMATICS / General