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INESC-ID · Rua Alves Redol 9, 1000-029 Lisboa, Portugal

INESC-IDInstituto Superior TécnicoELLIS Lisbon

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Are ECGs Enough? Deep Learning Classification of Pulmonary Embolism Using Electrocardiograms

Lecture notes in computer science

Publication 2026
Dynamic feature selection improves influenza forecasting accuracy and generalization across countries

INTRODUCTION: The differentiation in epidemic patterns and multiple influencing factors pose significant challenges to influenza forecasting, highlighting the need for novel methods to improve predictive accuracy and cro

Publication 2026
Engineering FAIR Privacy-preserving Applications that Learn Histories of Disease

A recent report on "Learning the natural history of human disease with generative transformers" created an opportunity to assess the engineering challenge of delivering user-facing Generative AI applications in privacy-s

Publication 2026
Engineering FAIR Privacy-preserving Applications that Learn Histories of Disease

A recent report on "Learning the natural history of human disease with generative transformers" created an opportunity to assess the engineering challenge of delivering user-facing Generative AI applications in privacy-s

Publication 2026
Explicitly Modeling Subcortical Vision with a Neuro-Inspired Front-End Improves CNN Robustness

Convolutional neural networks (CNNs) trained on object recognition achieve high task performance but continue to exhibit vulnerability under a range of visual perturbations and out-of-domain images, when compared with bi

Publication 2025
Deep Feedback Models

Deep Feedback Models (DFMs) are a new class of stateful neural networks that combine bottom up input with high level representations over time. This feedback mechanism introduces dynamics into otherwise static architectu

Publication 2025
The role of positional encodings in the ARC benchmark

The Abstraction and Reasoning Corpus challenges AI systems to perform abstract reasoning with minimal training data, a task intuitive for humans but demanding for machine learning models. Using CodeT5+ as a case study, w

Publication 2025
Non-invasive derivation of instantaneous free-wave ratio from invasive coronary angiography using a new deep learning artificial intelligence model and comparison with human operators’ performance

Invasive coronary physiology is underused and carries risks/costs. Artificial Intelligence (AI) might enable non-invasive physiology from invasive coronary angiography (CAG), possibly outperforming humans, but has seldom

Publication 2025
Pre-trained VGG16 model for forensic dental age estimation

Abstract Background The practical employment of Machine Learning in Forensic Odontology remains underexplored, especially in the field of age estimation. Age estimation is essential in legal proceedings to protect the ri

Publication 2025
Enhancing the Interpretation of Spirometry: Joint Utilization of <i>n</i>-Order Adaptive Fourier Decomposition and Deep Learning Techniques

Spirometry plays a key role in diagnosing respiratory diseases, but its accuracy often falls short of clinical expectations. While deep learning models have shown promise in automating spirometry analysis, challenges per

Publication 2025
The Role of Recurrency in Image Segmentation for Noisy and Limited Sample Settings

The biological brain has inspired multiple advances in machine learning. However, most state-of-the-art models in computer vision do not operate like the human brain, simply because they are not capable of changing or im

Publication 2024
Non-invasive derivation of instantaneous free-wave ratio from Invasive Coronary Angiography using a new Deep Learning Artificial Intelligence model and comparison with Human operators’ performance

Research Square

Publication 2024
Finding Regions of Interest in Whole Slide Images Using Multiple Instance Learning

Whole Slide Images (WSI), obtained by high-resolution digital scanning of microscope slides at multiple scales, are the cornerstone of modern Digital Pathology. However, they represent a particular challenge to AI-based/

Publication 2024
Coronary Physiology Instantaneous Wave-Free Ratio (iFR) Derived From X-Ray Angiography Using Artificial Intelligence Deep Learning Models: A Pilot Study

OBJECTIVES: Coronary angiography (CAG)-derived physiology methods have been developed in an attempt to simplify and increase the usage of coronary physiology, based mostly on dynamic fluid computational algorithms. We ai

Publication 2024
Multiple Instance Learning for WSI: A comparative analysis of attention-based approaches

Whole slide images (WSI), obtained by high-resolution digital scanning of microscope slides at multiple scales, are the cornerstone of modern Digital Pathology. However, they represent a particular challenge to artificia

Publication 2024
Training environmental sound classification models for real-world deployment in edge devices

Abstract The interest in smart city technologies has grown in recent years, and a major challenge is to develop methods that can extract useful information from data collected by sensors in the city. One possible scenari

Publication 2024
DeepThought: An Architecture for Autonomous Self-motivated Systems

The ability of large language models (LLMs) to engage in credible dialogues with humans, taking into account the training data and the context of the conversation, has raised discussions about their ability to exhibit in

Publication 2023
Development of a machine learning model using 12-lead ECG to improve acute dianosis of pulmonary embolism

Abstract Introduction Pulmonary embolism (PE) is a life-threatening condition. Given the lack of specificity in symptoms and clinical decision rules, diagnostic uncertainty in PE remains high and in most of the cases req

Publication 2023
Improving Address Matching using Siamese Transformer Networks

Matching addresses is a critical task for companies and post offices involved in the processing and delivery of packages. The ramifications of incorrectly delivering a package to the wrong recipient are numerous, ranging

Publication 2023
Augmentation-Based Approaches for Overcoming Low Visibility in Street Object Detection

Road object detection in low-visibility conditions, such as nighttime, fog, and rain, is difficult for standard machine learning models, which often struggle because of limited training data. The collection of comprehens

Publication 2023
Improving Embeddings for High-Accuracy Transformer-Based Address Matching Using a Multiple in-Batch Negatives Loss

Address matching is a crucial activity for post offices and companies responsible for parcel processing and delivery. Inaccurate delivery of parcels can significantly impact the reputation of these companies and result i

Publication 2023
Pretraining the Vision Transformer Using Self-Supervised Methods for Vision Based Deep Reinforcement Learning

The Vision Transformer architecture has shown to be competitive in the computer vision (CV) space where it has dethroned convolution-based networks in several benchmarks. Nevertheless, convolutional neural networks (CNN)

Publication 2023
Segmentation of X‐ray coronary angiography with an artificial intelligence deep learning model: Impact in operator visual assessment of coronary stenosis severity

Abstract Background Visual assessment of the percentage diameter stenosis (%DS VE ) of lesions is essential in coronary angiography (CAG) interpretation. We have previously developed an artificial intelligence (AI) model

Publication 2023
Artificial Intelligence: Historical Context and State of the Art

Abstract The idea that intelligence is the result of a computational process and can, therefore, be automated, is centuries old. We review the historical origins of the idea that machines can be intelligent, and the most

Publication 2023
Deep Learning-Based Extraction of Biomarkers for the Prediction of the Functional Outcome of Ischemic Stroke Patients

Accurately predicting functional outcomes in stroke patients remains challenging yet clinically relevant. While brain CTs provide prognostic information, their practical value for outcome prediction is unclear. We analyz

Publication 2023
Learning the dynamics of realistic models of C. elegans nervous system with recurrent neural networks

Given the inherent complexity of the human nervous system, insight into the dynamics of brain activity can be gained from studying smaller and simpler organisms. While some of the potential target organisms are simple en

Publication 2023
Coronary X-ray angiography segmentation using Artificial Intelligence: a multicentric validation study of a deep learning model

INTRODUCTION: We previously developed an artificial intelligence (AI) model for automatic coronary angiography (CAG) segmentation, using deep learning. To validate this approach, the model was applied to a new dataset an

Publication 2023
Artificial intelligence-based diagnosis of acute pulmonary embolism: Development of a machine learning model using 12-lead electrocardiogram

Pulmonary embolism (PE) is a life-threatening condition, in which diagnostic uncertainty remains high given the lack of specificity in clinical presentation. It requires confirmation by computed tomography pulmonary angi

Publication 2023
Pretraining the Vision Transformer using self-supervised methods for vision based Deep Reinforcement Learning

The Vision Transformer architecture has shown to be competitive in the computer vision (CV) space where it has dethroned convolution-based networks in several benchmarks. Nevertheless, convolutional neural networks (CNN)

Publication 2022
Assessing Policy, Loss and Planning Combinations in Reinforcement Learning using a New Modular Architecture

The model-based reinforcement learning paradigm, which uses planning algorithms and neural network models, has recently achieved unprecedented results in diverse applications, leading to what is now known as deep reinfor

Publication 2022