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Special Issue "Sensor-Based Activity Recognition and Interaction"

A special issue of Sensors (ISSN 1424-8220).

Deadline for manuscript submissions: closed (30 June 2020).

Special Issue Editors

Dr. Kristina Yordanova
Website SciProfiles
Guest Editor
Institute of Computer Science, University of Rostock, 18051 Rostock, Germany
Interests: activity and intention recognition; human behavior models; knowledge elicitation; natural language processing; automatic extraction of behavior models from textual sources
Special Issues and Collections in MDPI journals
Dr. Mario Aehnelt
Website
Guest Editor
Fraunhofer-Institut für Graphische Datenverarbeitung (IGD), 18059 Rostock, Germany
Interests: human activity recognition; vital data analysis; pattern recognition; artificial intelligence; mobile assistance
Dr. Gerald Bieber
Website
Guest Editor
Fraunhofer-Institut für Graphische Datenverarbeitung (IGD), 18059 Rostock, Germany
Interests: human activity recognition; vital data analysis; pattern recognition; artificial intelligence; mobile assistance
Mr. Stefan Lüdtke
Website
Guest Editor
Institute of Visual & Analytic Computing, University of Rostock, 18051 Rostock, Germany
Interests: human activity recognition; human behavior models; lifted probabilistic inference; Bayesian filtering

Special Issue Information

Dear Colleagues,

Ubiquitous systems are becoming an integral part of our everyday lives. Functionality and user experience often depend on accurate sensor-based activity recognition and interaction. Systems aiming to provide users with assistance or to monitor their behavior and condition rely heavily on sensors and the activities and interactions that they can recognize. The provision of adequate activity recognition and interaction requires consideration of various interlocked aspects, such as sensors that are capable of capturing relevant behavior, rigorous methods for reasoning based on sensor readings in the context of these behaviors, and effective approaches for assisting and interacting with users. Each of these aspects is essential, and can influence the quality and suitability of the provided service.

We are soliciting original submissions that contribute novel computer science methods, innovative software solutions, and cases of compelling use in any of the following topics:

  • Sensors, sensor infrastructures, and sensing technologies needed to detect user behaviors and to provide relevant interactions between systems and users;
  • Data- and model-driven methods for intelligent monitoring and user assistance that supports users in everyday settings;
  • Novel applications and evaluation studies of methods for intelligent monitoring of everyday user behavior and user assistance using sensing technologies;
  • Intelligent methods for synthesizing assistance and interaction strategies using sensing technologies.

Dr. Kristina Yordanova
Mr. Stefan Lüdtke
Dr. Mario Aehnelt
Dr. Gerald Bieber
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (2 papers)

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Research

Open AccessArticle
Comparing Person-Specific and Independent Models on Subject-Dependent and Independent Human Activity Recognition Performance
Sensors 2020, 20(13), 3647; https://doi.org/10.3390/s20133647 - 29 Jun 2020
Abstract
The distinction between subject-dependent and subject-independent performance is ubiquitous in the human activity recognition (HAR) literature. We assess whether HAR models really do achieve better subject-dependent performance than subject-independent performance, whether a model trained with data from many users achieves better subject-independent performance [...] Read more.
The distinction between subject-dependent and subject-independent performance is ubiquitous in the human activity recognition (HAR) literature. We assess whether HAR models really do achieve better subject-dependent performance than subject-independent performance, whether a model trained with data from many users achieves better subject-independent performance than one trained with data from a single person, and whether one trained with data from a single specific target user performs better for that user than one trained with data from many. To those ends, we compare four popular machine learning algorithms’ subject-dependent and subject-independent performances across eight datasets using three different personalisation–generalisation approaches, which we term person-independent models (PIMs), person-specific models (PSMs), and ensembles of PSMs (EPSMs). We further consider three different ways to construct such an ensemble: unweighted, κ -weighted, and baseline-feature-weighted. Our analysis shows that PSMs outperform PIMs by 43.5% in terms of their subject-dependent performances, whereas PIMs outperform PSMs by 55.9% and κ -weighted EPSMs—the best-performing EPSM type—by 16.4% in terms of the subject-independent performance. Full article
(This article belongs to the Special Issue Sensor-Based Activity Recognition and Interaction)
Open AccessArticle
Sensory Interactive Table (SIT)—Development of a Measurement Instrument to Support Healthy Eating in a Social Dining Setting
Sensors 2020, 20(9), 2636; https://doi.org/10.3390/s20092636 - 05 May 2020
Abstract
This paper presents the Sensory Interactive Table (SIT): an instrumented, interactive dining table. Through the use of load cells and LEDs that are embedded in the table surface, SIT allows us to study: (1) the eating behaviors of people in a social setting, [...] Read more.
This paper presents the Sensory Interactive Table (SIT): an instrumented, interactive dining table. Through the use of load cells and LEDs that are embedded in the table surface, SIT allows us to study: (1) the eating behaviors of people in a social setting, (2) the social interactions around the eating behaviors of people in a social setting, and (3) the continuous cycle of feedback through LEDs on people’s eating behavior and their response to this feedback in real time, to ultimately create an effective dietary support system. This paper presents the hard- and software specifications of the system, and it shows the potential of the system to capture mass-related dimensions in real time and with high accuracy and spatial resolution. Full article
(This article belongs to the Special Issue Sensor-Based Activity Recognition and Interaction)
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