no code implementations • 10 Jul 2022 • Garrett Wilson, Janardhan Rao Doppa, Diane J. Cook
Because of the large variations present in human behavior, we collect data from many participants across two different age groups.
no code implementations • 8 Nov 2021 • Yuhui Wang, Diane J. Cook
Time series data are valuable but are often inscrutable.
1 code implementation • 30 Sep 2021 • Garrett Wilson, Janardhan Rao Doppa, Diane J. Cook
CALDA synergistically combines the principles of contrastive learning and adversarial learning to robustly support multi-source UDA (MS-UDA) for time series data.
1 code implementation • 12 Jul 2020 • Yuchao Ma, Andrew T. Campbell, Diane J. Cook, John Lach, Shwetak N. Patel, Thomas Ploetz, Majid Sarrafzadeh, Donna Spruijt-Metz, Hassan Ghasemzadeh
While activity recognition from inertial sensors holds potential for mobile health, differences in sensing platforms and user movement patterns cause performance degradation.
2 code implementations • 22 May 2020 • Garrett Wilson, Janardhan Rao Doppa, Diane J. Cook
First, we propose a novel Convolutional deep Domain Adaptation model for Time Series data (CoDATS) that significantly improves accuracy and training time over state-of-the-art DA strategies on real-world sensor data benchmarks.
no code implementations • 10 Sep 2019 • Alireza Ghods, Diane J. Cook
We then survey non-neural network learning algorithms that make innovative use of these methods to improve classification.
no code implementations • 17 Jul 2019 • Garrett Wilson, Diane J. Cook
Often domain adaptation is performed using a discriminator (domain classifier) to learn domain-invariant feature representations so that a classifier trained on labeled source data will generalize well to unlabeled target data.
1 code implementation • 12 Jul 2019 • Alireza Ghods, Diane J. Cook
The widespread availability of sensors implanted in homes, smartphones, and smart watches have engendered collection of big datasets that reflect human behavior.
1 code implementation • 6 Dec 2018 • Garrett Wilson, Diane J. Cook
Deep learning has produced state-of-the-art results for a variety of tasks.