Search Results for author: Pekka Siirtola

Found 6 papers, 0 papers with code

Feature Relevance Analysis to Explain Concept Drift -- A Case Study in Human Activity Recognition

no code implementations20 Jan 2023 Pekka Siirtola, Juha Röning

As a main result of this article, it is shown that feature relevance analysis cannot only be used to detect the concept drift but also to explain the reason for the drift when a limited number of typical reasons for the concept drift are predefined.

Human Activity Recognition

From User-independent to Personal Human Activity Recognition Models Exploiting the Sensors of a Smartphone

no code implementations29 May 2019 Pekka Siirtola, Heli Koskimäki, Juha Röning

In this study, a novel method to obtain user-dependent human activity recognition models unobtrusively by exploiting the sensors of a smartphone is presented.

Human Activity Recognition Sensor Fusion

Effect of context in swipe gesture-based continuous authentication on smartphones

no code implementations28 May 2019 Pekka Siirtola, Jukka Komulainen, Vili Kellokumpu

This work investigates how context should be taken into account when performing continuous authentication of a smartphone user based on touchscreen and accelerometer readings extracted from swipe gestures.

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