no code implementations • 7 Nov 2022 • Anand Dubey, Niall Lyons, Avik Santra, Ashutosh Pandey
Human activity recognition (HAR) using IMU sensors, namely accelerometer and gyroscope, has several applications in smart homes, healthcare and human-machine interface systems.
Explainable Artificial Intelligence (XAI) Human Activity Recognition +1
no code implementations • 2 Nov 2022 • Arnab Neelim Mazumder, Niall Lyons, Ashutosh Pandey, Avik Santra, Tinoosh Mohsenin
In this work, model explanations are fed back to the feed-forward training to help the model generalize better.
no code implementations • 26 Oct 2022 • Julius Ott, Lorenzo Servadei, Gianfranco Mauro, Thomas Stadelmayer, Avik Santra, Robert Wille
There, we show that our method outperforms related Meta-RL approaches on unseen tracking scenarios in peak performance by 16% and the baseline by 35% while detecting OOD data with an F1-Score of 72%.
1 code implementation • 24 Oct 2022 • Julius Ott, Lorenzo Servadei, Jose Arjona-Medina, Enrico Rinaldi, Gianfranco Mauro, Daniela Sánchez Lopera, Michael Stephan, Thomas Stadelmayer, Avik Santra, Robert Wille
This is enabled by the uncertainty estimation of the Q-Value function, which guides the sampling to explore more significant transitions and, thus, learn a more efficient policy.
no code implementations • 7 Oct 2022 • Huawei Sun, Lorenzo Servadei, Hao Feng, Michael Stephan, Robert Wille, Avik Santra
To address this, Explainable Artificial Intelligence (XAI) has been developing as a field that aims to improve the transparency of the model and increase their trustworthiness.
Explainable artificial intelligence Explainable Artificial Intelligence (XAI)
no code implementations • 30 May 2022 • Michael Stephan, Thomas Stadelmayer, Avik Santra, Georg Fischer, Robert Weigel, Fabian Lurz
This paper presents a parametric variational autoencoder-based human target detection and localization framework working directly with the raw analog-to-digital converter data from the frequency modulated continous wave radar.
no code implementations • 31 Mar 2022 • Souvik Hazra, Hao Feng, Gamze Naz Kiprit, Michael Stephan, Lorenzo Servadei, Robert Wille, Robert Weigel, Avik Santra
Gesture recognition is one of the most intuitive ways of interaction and has gathered particular attention for human computer interaction.
no code implementations • 22 Nov 2021 • Thomas Stadelmayer, Avik Santra, Robert Weigel, Fabian Lurz
The paper proposes a novel feature extraction approach for FMCW radar systems in the field of short-range gesture sensing.
no code implementations • 31 Oct 2021 • Moein Movafagh, Avik Santra, Daniel Oloumi
In this paper, we aim to propose a method whereby stretch processing can achieve optimal SNR.
1 code implementation • 12 Oct 2021 • Lorenzo Servadei, Huawei Sun, Julius Ott, Michael Stephan, Souvik Hazra, Thomas Stadelmayer, Daniela Sanchez Lopera, Robert Wille, Avik Santra
In this paper, we introduce the Label-Aware Ranked loss, a novel metric loss function.
no code implementations • 19 Jun 2020 • Manu Siddhartha, Avik Santra
For making available an alternative diagnostic method, we proposed a deep neural network based diagnostic method which can be easily integrated with mobile devices for detection of COVID-19 and viral pneumonia using Chest X-rays (CXR) images.