Search Results for author: Petteri Nurmi

Found 2 papers, 0 papers with code

Low-Cost Outdoor Air Quality Monitoring and Sensor Calibration: A Survey and Critical Analysis

no code implementations13 Dec 2019 Francesco Concas, Julien Mineraud, Eemil Lagerspetz, Samu Varjonen, Xiaoli Liu, Kai Puolamäki, Petteri Nurmi, Sasu Tarkoma

Periodic re-calibration can improve the accuracy of low-cost sensors, particularly with machine-learning-based calibration, which has shown great promise due to its capability to calibrate sensors in-field.

BIG-bench Machine Learning

Towards Using Unlabeled Data in a Sparse-coding Framework for Human Activity Recognition

no code implementations25 Dec 2013 Sourav Bhattacharya, Petteri Nurmi, Nils Hammerla, Thomas Plötz

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches.

Human Activity Recognition

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