Search Results for author: Ashkan Ebadi

Found 18 papers, 3 papers with code

COVID-Net USPro: An Open-Source Explainable Few-Shot Deep Prototypical Network to Monitor and Detect COVID-19 Infection from Point-of-Care Ultrasound Images

no code implementations4 Jan 2023 Jessy Song, Ashkan Ebadi, Adrian Florea, Pengcheng Xi, Stéphane Tremblay, Alexander Wong

As the Coronavirus Disease 2019 (COVID-19) continues to impact many aspects of life and the global healthcare systems, the adoption of rapid and effective screening methods to prevent further spread of the virus and lessen the burden on healthcare providers is a necessity.

A Trustworthy Framework for Medical Image Analysis with Deep Learning

no code implementations6 Dec 2022 Kai Ma, Siyuan He, Pengcheng Xi, Ashkan Ebadi, Stéphane Tremblay, Alexander Wong

Computer vision and machine learning are playing an increasingly important role in computer-assisted diagnosis; however, the application of deep learning to medical imaging has challenges in data availability and data imbalance, and it is especially important that models for medical imaging are built to be trustworthy.

On the evolution of research in hypersonics: application of natural language processing and machine learning

no code implementations17 Aug 2022 Ashkan Ebadi, Alain Auger, Yvan Gauthier

Research and development in hypersonics have progressed significantly in recent years, with various military and commercial applications being demonstrated increasingly.

Towards Trustworthy Healthcare AI: Attention-Based Feature Learning for COVID-19 Screening With Chest Radiography

no code implementations19 Jul 2022 Kai Ma, Pengcheng Xi, Karim Habashy, Ashkan Ebadi, Stéphane Tremblay, Alexander Wong

In this study, we propose a feature learning approach using Vision Transformers, which use an attention-based mechanism, and examine the representation learning capability of Transformers as a new backbone architecture for medical imaging.

Representation Learning

Women, artificial intelligence, and key positions in collaboration networks: Towards a more equal scientific ecosystem

no code implementations19 May 2022 Anahita Hajibabaei, Andrea Schiffauerova, Ashkan Ebadi

Scientific collaboration in almost every discipline is mainly driven by the need of sharing knowledge, expertise, and pooled resources.

COVID-Net UV: An End-to-End Spatio-Temporal Deep Neural Network Architecture for Automated Diagnosis of COVID-19 Infection from Ultrasound Videos

no code implementations18 May 2022 Hilda Azimi, Ashkan Ebadi, Jessy Song, Pengcheng Xi, Alexander Wong

Besides vaccination, as an effective way to mitigate the further spread of COVID-19, fast and accurate screening of individuals to test for the disease is yet necessary to ensure public health safety.

Detecting Emerging Technologies and their Evolution using Deep Learning and Weak Signal Analysis

no code implementations11 May 2022 Ashkan Ebadi, Alain Auger, Yvan Gauthier

In order to identify emerging technologies in a timely and reliable manner, a comprehensive examination of relevant scientific and technological (S&T) trends and their related references is required.

Improving Classification Model Performance on Chest X-Rays through Lung Segmentation

no code implementations22 Feb 2022 Hilda Azimi, Jianxing Zhang, Pengcheng Xi, Hala Asad, Ashkan Ebadi, Stephane Tremblay, Alexander Wong

Our approach is designed in a cascaded manner and incorporates two modules: a deep neural network with criss-cross attention modules (XLSor) for localizing lung region in CXR images and a CXR classification model with a backbone of a self-supervised momentum contrast (MoCo) model pre-trained on large-scale CXR data sets.

Classification Segmentation

NRC-GAMMA: Introducing a Novel Large Gas Meter Image Dataset

1 code implementation12 Nov 2021 Ashkan Ebadi, Patrick Paul, Sofia Auer, Stéphane Tremblay

Motivated by the recent advances in the field of artificial intelligence and inspired by open-source open-access initiatives in the research community, we introduce a novel large benchmark dataset of real-life gas meter images, named the NRC-GAMMA dataset.

Meter Reading

COVID-Net US: A Tailored, Highly Efficient, Self-Attention Deep Convolutional Neural Network Design for Detection of COVID-19 Patient Cases from Point-of-care Ultrasound Imaging

1 code implementation5 Aug 2021 Alexander MacLean, Saad Abbasi, Ashkan Ebadi, Andy Zhao, Maya Pavlova, Hayden Gunraj, Pengcheng Xi, Sonny Kohli, Alexander Wong

The Coronavirus Disease 2019 (COVID-19) pandemic has impacted many aspects of life globally, and a critical factor in mitigating its effects is screening individuals for infections, thereby allowing for both proper treatment for those individuals as well as action to be taken to prevent further spread of the virus.

Influence of cognitive, geographical, and collaborative proximity on knowledge production of Canadian nanotechnology

no code implementations3 Jun 2021 Elva Luz Crespo Neira, Ashkan Ebadi, Catherine Beaudry, Andrea Schiffauerova

We hypothesized that knowledge production in Canadian nanotechnology is influenced by three key proximity factors, namely cognitive, geographical, and collaborative.

COVIDx-US -- An open-access benchmark dataset of ultrasound imaging data for AI-driven COVID-19 analytics

2 code implementations18 Mar 2021 Ashkan Ebadi, Pengcheng Xi, Alexander MacLean, Stéphane Tremblay, Sonny Kohli, Alexander Wong

The COVID-19 pandemic continues to have a devastating effect on the health and well-being of the global population.

Understanding the temporal evolution of COVID-19 research through machine learning and natural language processing

no code implementations22 Jul 2020 Ashkan Ebadi, Pengcheng Xi, Stéphane Tremblay, Bruce Spencer, Raman Pall, Alexander Wong

The outbreak of the novel coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been continuously affecting human lives and communities around the world in many ways, from cities under lockdown to new social experiences.

BIG-bench Machine Learning

Improved Predictive Models for Acute Kidney Injury with IDEAs: Intraoperative Data Embedded Analytics

no code implementations11 May 2018 Lasith Adhikari, Tezcan Ozrazgat-Baslanti, Paul Thottakkara, Ashkan Ebadi, Amir Motaei, Parisa Rashidi, Xiaolin Li, Azra Bihorac

We used machine learning and statistical analysis techniques to develop perioperative models to predict the risk of AKI (risk during the first 3 days, 7 days, and until the discharge day) before and after the surgery.

Time Series Time Series Analysis

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