no code implementations • 9 Apr 2024 • Hossein Rajoli, Sahand Khoshdel, Fatemeh Afghah, Xiaolong Ma
However, the dominance of center loss over the other losses leads to the model missing features sensitive to them.
no code implementations • 12 Feb 2024 • Aruna Mohan, Danne Elbers, Or Zilbershot, Fatemeh Afghah, David Vorchheimer
These models are applied to the Chapman-Shaoxing dataset to classify atrial fibrillation, as well as another common arrhythmia, sinus bradycardia, and normal sinus rhythm heartbeats.
no code implementations • 21 Jan 2024 • Hossein Rajoli, Pouya Afshin, Fatemeh Afghah
Unmanned aerial vehicles (UAVs) offer a flexible and cost-effective solution for wildfire monitoring.
1 code implementation • 16 Jan 2024 • Austin Briley, Fatemeh Afghah
Early wildfire detection in remote and forest areas is crucial for minimizing devastation and preserving ecosystems.
no code implementations • 12 Jan 2024 • Fatemeh Lotfi, Fatemeh Afghah
This emphasizes the importance of using the prediction rApp and distributed actors' information jointly as part of a dynamic xApp.
no code implementations • 4 Jan 2024 • Sayed Pedram Haeri Boroujeni, Abolfazl Razi, Sahand Khoshdel, Fatemeh Afghah, Janice L. Coen, Leo ONeill, Peter Z. Fule, Adam Watts, Nick-Marios T. Kokolakis, Kyriakos G. Vamvoudakis
Wildfires have emerged as one of the most destructive natural disasters worldwide, causing catastrophic losses in both human lives and forest wildlife.
no code implementations • 7 Dec 2023 • Ali Owfi, Ali Abbasi, Fatemeh Afghah, Jonathan Ashdown, Kurt Turck
This issue renders DL-based modulation recognition models inapplicable in real-world scenarios because the dynamic nature of communication systems necessitate the effective adaptability to new modulation schemes.
no code implementations • 15 Jun 2023 • Alireza Shamsoshoara, Fatemeh Lotfi, Sajad Mousavi, Fatemeh Afghah, Ismail Guvenc
The performance of this method is compared to learning from a demonstration technique called behavioral cloning (BC) using a supervised learning approach.
no code implementations • 15 Jun 2023 • Fatemeh Lotfi, Fatemeh Afghah, Jonathan Ashdown
As emerging networks such as Open Radio Access Networks (O-RAN) and 5G continue to grow, the demand for various services with different requirements is increasing.
no code implementations • 10 Jun 2023 • Seokmin Choi, Sajad Mousavi, Phillip Si, Haben G. Yhdego, Fatemeh Khadem, Fatemeh Afghah
In the medical field, current ECG signal analysis approaches rely on supervised deep neural networks trained for specific tasks that require substantial amounts of labeled data.
no code implementations • 22 May 2023 • Ali Owfi, ChunChih Lin, Linke Guo, Fatemeh Afghah, Jonathan Ashdown, Kurt Turck
Indoor localization has gained significant attention in recent years due to its various applications in smart homes, industrial automation, and healthcare, especially since more people rely on their wireless devices for location-based services.
no code implementations • 25 Apr 2023 • Ali Owfi, Fatemeh Afghah
Passive space-borne radiometers operating in the 1400-1427 MHz protected frequency band face radio frequency interference (RFI) from terrestrial sources.
1 code implementation • CVPR 2023 • Gen Li, Jie Ji, Minghai Qin, Wei Niu, Bin Ren, Fatemeh Afghah, Linke Guo, Xiaolong Ma
To reconcile such, we propose a novel method for high-quality and efficient video resolution upscaling tasks, which leverages the spatial-temporal information to accurately divide video into chunks, thus keeping the number of chunks as well as the model size to minimum.
1 code implementation • 4 Mar 2023 • Edmond Adib, Amanda Fernandez, Fatemeh Afghah, John Jeff Prevost
In this work, synthetic ECG signals are generated by the Improved DDPM and by the Wasserstein GAN with Gradient Penalty (WGAN-GP) models and then compared.
no code implementations • 8 Feb 2023 • Hossein Rajoli, Fatemeh Lotfi, Adham Atyabi, Fatemeh Afghah
The triplet center loss (TCL) function is applied on all dimensions of the sample's embedding in the embedding space.
Facial Expression Recognition Facial Expression Recognition (FER) +1
no code implementations • 30 Aug 2022 • Fatemeh Lotfi, Omid Semiari, Fatemeh Afghah
To solve this problem, a new solution is proposed based on evolutionary-based deep reinforcement learning (EDRL) to accelerate and optimize the slice management learning process in the radio access network's (RAN) intelligent controller (RIC) modules.
1 code implementation • 26 Jan 2022 • Edmond Adib, Fatemeh Afghah, John J. Prevost
We employed two models for ECG generation: (i) unconditional GAN; Wasserstein GAN with gradient penalty (WGAN-GP) is trained on each class individually; (ii) conditional GAN; one Auxiliary Classifier WGAN-GP (AC-WGAN-GP) model is trained on all classes and then used to generate synthetic beats in all classes.
1 code implementation • 5 Dec 2021 • Edmond Adib, Fatemeh Afghah, John J. Prevost
Electrocardiogram (ECG) datasets tend to be highly imbalanced due to the scarcity of abnormal cases.
no code implementations • 2 Apr 2021 • Alireza Shamsoshoara, Fatemeh Afghah, Erik Blasch, Jonathan Ashdown, Mehdi Bennis
The damage to cellular towers during natural and man-made disasters can disturb the communication services for cellular users.
no code implementations • 31 Mar 2021 • S. H. Alsamhi, Fatemeh Afghah, Radhya Sahal, Ammar Hawbani, A. A. Al-qaness, B. Lee, Mohsen Guizani
Due to a drone's capability to fly closer to IoT, UAV technology plays a vital role in greening IoT by transmitting collected data to achieve a sustainable, reliable, eco-friendly Industry 4. 0.
no code implementations • 23 Mar 2021 • Arnau Rovira-Sugranes, Fatemeh Afghah, Junsuo Qu, Abolfazl Razi
Current networking protocols deem inefficient in accommodating the two key challenges of Unmanned Aerial Vehicle (UAV) networks, namely the network connectivity loss and energy limitations.
no code implementations • 6 Feb 2021 • Atiyeh Fotoohinasab, Toby Hocking, Fatemeh Afghah
First, we define the constraint graph manually; then, we present a graph learning algorithm that can search for an optimal graph in a greedy scheme.
no code implementations • 2 Feb 2021 • Atiyeh Fotoohinasab, Toby Hocking, Fatemeh Afghah
This model is based on a new graph learning algorithm to learn the constraint graph given the labeled ECG data.
1 code implementation • 28 Dec 2020 • Alireza Shamsoshoara, Fatemeh Afghah, Abolfazl Razi, Liming Zheng, Peter Z Fulé, Erik Blasch
FLAME (Fire Luminosity Airborne-based Machine learning Evaluation) offers a dataset of aerial images of fires along with methods for fire detection and segmentation which can help firefighters and researchers to develop optimal fire management strategies.
no code implementations • 30 Oct 2020 • James Belen, Sajad Mousavi, Alireza Shamsoshoara, Fatemeh Afghah
The uncertainty is estimated by conducting multiple passes of the input through the network to build a distribution; the mean of the standard deviations is reported as the network's uncertainty.
no code implementations • 5 Oct 2020 • Behzad Ghazanfari, Fatemeh Afghah
This paper introduces Multi-Level feature learning alongside the Embedding layer of Convolutional Autoencoder (CAE-MLE) as a novel approach in deep clustering.
no code implementations • 26 Sep 2020 • Behzad Ghazanfari, Fatemeh Afghah, Sixian Zhang
To evaluate the performance of this method in time series analysis, we applied the proposed layer in two publicly available datasets of PhysioNet competitions in 2015 and 2017 where the input data is ECG signal.
no code implementations • 16 Jul 2020 • Mahsa Keshavarz, Alireza Shamsoshoara, Fatemeh Afghah, Jonathan Ashdown
Unmanned aerial vehicles (UAVs) have been increasingly utilized in various civilian and military applications such as remote sensing, border patrolling, disaster monitoring, and communication coverage extension.
no code implementations • 13 Jun 2020 • Sajad Mousavi, Fatemeh Afghah, Fatemeh Khadem, U. Rajendra Acharya
For this reason, the ECG signal is a sequence of heartbeats similar to sentences in natural languages) and each heartbeat is composed of a set of waves (similar to words in a sentence) of different morphologies.
no code implementations • 24 Apr 2020 • Atiyeh Fotoohinasab, Toby Hocking, Fatemeh Afghah
Electrocardiogram (ECG) signal is the most commonly used non-invasive tool in the assessment of cardiovascular diseases.
no code implementations • 9 Mar 2020 • Behzad Ghazanfari, Fatemeh Afghah
This paper introduces a novel perspective about error in machine learning and proposes inverse feature learning (IFL) as a representation learning approach that learns a set of high-level features based on the representation of error for classification or clustering purposes.
no code implementations • 8 Mar 2020 • Behzad Ghazanfari, Fatemeh Afghah, Mohammadtaghi Hajiaghayi
This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach.
no code implementations • 12 Feb 2020 • Sajad Mousavi, Fatemeh Afghah, U. Rajendra Acharya
The cardiologist level performance in detecting this arrhythmia is often achieved by deep learning-based methods, however, they suffer from the lack of interpretability.
1 code implementation • 26 Nov 2019 • Alireza Shamsoshoara, Fatemeh Afghah, Abolfazl Razi, Sajad Mousavi, Jonathan Ashdown, Kurt Turk
This paper studies the problem of spectrum shortage in an unmanned aerial vehicle (UAV) network during critical missions such as wildfire monitoring, search and rescue, and disaster monitoring.
no code implementations • 25 Sep 2019 • Sajad Mousavi, Atiyeh Fotoohinasab, Fatemeh Afghah
This study proposes a deep learning model that effectively suppresses the false alarms in the intensive care units (ICUs) without ignoring the true alarms using single- and multimodal biosignals.
no code implementations • 17 Apr 2019 • Behzad Ghazanfari, Fatemeh Afghah, Kayvan Najarian, Sajad Mousavi, Jonathan Gryak, James Todd
In this paper, we propose a novel set of high-level features based on unsupervised feature learning technique in order to effectively capture the characteristics of different arrhythmia in electrocardiogram (ECG) signal and differentiate them from irregularity in signals due to different sources of signal disturbances.
2 code implementations • 16 Apr 2019 • Alireza Shamsoshoara, Mehrdad Khaledi, Fatemeh Afghah, Abolfazl Razi, Jonathan Ashdown, Kurt Turck
In this paper, we study the problem of spectrum scarcity in a network of unmanned aerial vehicles (UAVs) during mission-critical applications such as disaster monitoring and public safety missions, where the pre-allocated spectrum is not sufficient to offer a high data transmission rate for real-time video-streaming.
3 code implementations • 5 Mar 2019 • Sajad Mousavi, Fatemeh Afghah, U. Rajendra Acharya
Electroencephalogram (EEG) is a common base signal used to monitor brain activity and diagnose sleep disorders.
3 code implementations • arXiv:1812.07421 2018 • Sajad Mousavi, Fatemeh Afghah
Electrocardiogram (ECG) signal is a common and powerful tool to study heart function and diagnose several abnormal arrhythmia.
Ranked #1 on Arrhythmia Detection on MIT-BIH AR
no code implementations • 17 Nov 2018 • Behzad Ghazanfari, Fatemeh Afghah, Matthew E. Taylor
Reinforcement learning (RL) techniques, while often powerful, can suffer from slow learning speeds, particularly in high dimensional spaces.
no code implementations • 31 Jul 2018 • Han Peng, Abolfazl Razi, Fatemeh Afghah, Jonathan Ashdown
In recent years, using a network of autonomous and cooperative unmanned aerial vehicles (UAVs) without command and communication from the ground station has become more imperative, in particular in search-and-rescue operations, disaster management, and other applications where human intervention is limited.
no code implementations • 5 Dec 2015 • Fatemeh Afghah, Abolfazl Razi, Kayvan Najarian
False alarm is one of the main concerns in intensive care units and can result in care disruption, sleep deprivation, and insensitivity of care-givers to alarms.