Search Results for author: Xiaying Wang

Found 19 papers, 7 papers with code

SzCORE: A Seizure Community Open-source Research Evaluation framework for the validation of EEG-based automated seizure detection algorithms

3 code implementations20 Feb 2024 Jonathan Dan, Una Pale, Alireza Amirshahi, William Cappelletti, Thorir Mar Ingolfsson, Xiaying Wang, Andrea Cossettini, Adriano Bernini, Luca Benini, Sándor Beniczky, David Atienza, Philippe Ryvlin

Based on existing guidelines and recommendations, the framework introduces a set of recommendations and standards related to datasets, file formats, EEG data input content, seizure annotation input and output, cross-validation strategies, and performance metrics.

EEG Seizure Detection

Enhancing Performance, Calibration Time and Efficiency in Brain-Machine Interfaces through Transfer Learning and Wearable EEG Technology

no code implementations14 Sep 2023 Xiaying Wang, Lan Mei, Victor Kartsch, Andrea Cossettini, Luca Benini

The comfortable BMI setup with tiny CNN and TL paves the way to future on-device continual learning, essential for tackling inter-session variability and improving usability.

Continual Learning EEG +1

EpiDeNet: An Energy-Efficient Approach to Seizure Detection for Embedded Systems

no code implementations28 Aug 2023 Thorir Mar Ingolfsson, Upasana Chakraborty, Xiaying Wang, Sandor Beniczky, Pauline Ducouret, Simone Benatti, Philippe Ryvlin, Andrea Cossettini, Luca Benini

The EpiDeNet-SSWCE method demonstrates effective and accurate seizure detection performance on heavily imbalanced datasets, while being suited for implementation on energy-constrained platforms.

EEG Seizure Detection +1

Exploring Automatic Gym Workouts Recognition Locally On Wearable Resource-Constrained Devices

no code implementations13 Jan 2023 Sizhen Bian, Xiaying Wang, Tommaso Polonelli, Michele Magno

We also introduced an open data set composed of fifty sessions of eleven gym workouts collected from ten subjects that is publicly available.

Activity Recognition Quantization

Nonlinear and Machine Learning Analyses on High-Density EEG data of Math Experts and Novices

no code implementations1 Dec 2022 Hanna Poikonen, Tomasz Zaluska, Xiaying Wang, Michele Magno, Manu Kapur

Our results clarify the different neural signature, analyzed by HFD, of math experts and novices during complex math and suggest machine learning as a promising data-driven approach to understand the brain processes in expertise and mathematical cognition.

EEG Math +1

Reducing Neural Architecture Search Spaces with Training-Free Statistics and Computational Graph Clustering

no code implementations29 Apr 2022 Thorir Mar Ingolfsson, Mark Vero, Xiaying Wang, Lorenzo Lamberti, Luca Benini, Matteo Spallanzani

The computational demands of neural architecture search (NAS) algorithms are usually directly proportional to the size of their target search spaces.

Clustering Graph Clustering +1

MI-BMInet: An Efficient Convolutional Neural Network for Motor Imagery Brain--Machine Interfaces with EEG Channel Selection

no code implementations28 Mar 2022 Xiaying Wang, Michael Hersche, Michele Magno, Luca Benini

A brain--machine interface (BMI) based on motor imagery (MI) enables the control of devices using brain signals while the subject imagines performing a movement.

EEG Motor Imagery

Sub-100uW Multispectral Riemannian Classification for EEG-based Brain--Machine Interfaces

no code implementations18 Dec 2021 Xiaying Wang, Lukas Cavigelli, Tibor Schneider, Luca Benini

Motor imagery brain--machine interfaces enable us to control machines by merely thinking of performing a motor action.

Classification EEG +1

Practical Adversarial Attacks on Brain--Computer Interfaces

no code implementations29 Sep 2021 Rodolfo Octavio Siller Quintanilla, Xiaying Wang, Michael Hersche, Luca Benini, Gagandeep Singh

We propose new methods to induce denial-of-service attacks and incorporate domain-specific insights and constraints to accomplish two key goals: (i) create smooth adversarial attacks that are physiologically plausible; (ii) consider the realistic case where the attack happens at the origin of the signal acquisition and it propagates on the human head.

EEG

Towards Long-term Non-invasive Monitoring for Epilepsy via Wearable EEG Devices

no code implementations15 Jun 2021 Thorir Mar Ingolfsson, Andrea Cossettini, Xiaying Wang, Enrico Tabanelli, Giuseppe Tagliavini, Philippe Ryvlin, Luca Benini, Simone Benatti

We present the implementation of seizure detection algorithms based on a minimal number of EEG channels on a parallel ultra-low-power embedded platform.

EEG Seizure Detection

ECG-TCN: Wearable Cardiac Arrhythmia Detection with a Temporal Convolutional Network

1 code implementation25 Mar 2021 Thorir Mar Ingolfsson, Xiaying Wang, Michael Hersche, Alessio Burrello, Lukas Cavigelli, Luca Benini

With 9. 91 GMAC/s/W, it is 23. 0 times more energy-efficient and 46. 85 times faster than an implementation on the ARM Cortex M4F (0. 43 GMAC/s/W).

Arrhythmia Detection

Q-EEGNet: an Energy-Efficient 8-bit Quantized Parallel EEGNet Implementation for Edge Motor-Imagery Brain--Machine Interfaces

1 code implementation24 Apr 2020 Tibor Schneider, Xiaying Wang, Michael Hersche, Lukas Cavigelli, Luca Benini

We quantize weights and activations to 8-bit fixed-point with a negligible accuracy loss of 0. 4% on 4-class MI, and present an energy-efficient hardware-aware implementation on the Mr. Wolf parallel ultra-low power (PULP) System-on-Chip (SoC) by utilizing its custom RISC-V ISA extensions and 8-core compute cluster.

EEG Motor Imagery

An Accurate EEGNet-based Motor-Imagery Brain-Computer Interface for Low-Power Edge Computing

no code implementations31 Mar 2020 Xiaying Wang, Michael Hersche, Batuhan Tömekce, Burak Kaya, Michele Magno, Luca Benini

Our novel method further scales down the standard EEGNet at a negligible accuracy loss of 0. 31% with 7. 6x memory footprint reduction and a small accuracy loss of 2. 51% with 15x reduction.

Edge-computing EEG +2

InfiniWolf: Energy Efficient Smart Bracelet for Edge Computing with Dual Source Energy Harvesting

no code implementations28 Feb 2020 Michele Magno, Xiaying Wang, Manuel Eggimann, Lukas Cavigelli, Luca Benini

This work presents InfiniWolf, a novel multi-sensor smartwatch that can achieve self-sustainability exploiting thermal and solar energy harvesting, performing computationally high demanding tasks.

Edge-computing

HR-SAR-Net: A Deep Neural Network for Urban Scene Segmentation from High-Resolution SAR Data

no code implementations10 Dec 2019 Xiaying Wang, Lukas Cavigelli, Manuel Eggimann, Michele Magno, Luca Benini

Synthetic aperture radar (SAR) data is becoming increasingly available to a wide range of users through commercial service providers with resolutions reaching 0. 5m/px.

Scene Segmentation Segmentation

FANN-on-MCU: An Open-Source Toolkit for Energy-Efficient Neural Network Inference at the Edge of the Internet of Things

1 code implementation8 Nov 2019 Xiaying Wang, Michele Magno, Lukas Cavigelli, Luca Benini

The growing number of low-power smart devices in the Internet of Things is coupled with the concept of "Edge Computing", that is moving some of the intelligence, especially machine learning, towards the edge of the network.

BIG-bench Machine Learning Edge-computing +1

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