Hélder P. Oliveira

According to our database, Hélder P. Oliveira authored at least 82 papers between 2008 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Vision-Radio Experimental Infrastructure Architecture Towards 6G.

Filipe B. Teixeira, Manuel Ricardo, André Coelho, Hélder P. Oliveira, Paula Viana, Nuno Paulino, Helder Fontes, Paulo Marques, Rui Campos, Luís M. Pessoa

CoRR, 2024

Comparative Study Between Object Detection Models, for Olive Fruit Fly Identification.

Margarida Victoriano, Lino Oliveira, Hélder P. Oliveira

Proceedings of the 19th International Joint Conference on Computer Vision, 2024

2023

Mortality prediction using medical time series on TBI patients.

João Fonseca, Xiuyun Liu, Hélder P. Oliveira, Tânia Pereira

Comput. Methods Programs Biomed., December, 2023

Transformers for Energy Forecast.

Hugo S. Oliveira, Hélder P. Oliveira

Sensors, August, 2023

Lung CT image synthesis using GANs.

José Mendes, Tânia Pereira, Francisco Silva, Julieta Frade, Joana Morgado, Cláudia Freitas, Eduardo Negrão, Beatriz Flor De Lima, Miguel Correia Da Silva, António J. Madureira, Isabel Ramos, José Luis Costa, Venceslau Hespanhol, António Cunha, Hélder P. Oliveira

Expert Syst. Appl., April, 2023

Single Modality vs. Multimodality: What Works Best for Lung Cancer Screening?

Joana Sousa, Pedro Matos, Francisco Silva, Pedro Freitas, Hélder P. Oliveira, Tânia Pereira

Sensors, 2023

Automated Detection and Identification of Olive Fruit Fly Using YOLOv7 Algorithm.

Margarida Victoriano, Lino Oliveira, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 11th Iberian Conference, 2023

Evaluation of Regularization Techniques for Transformers-Based Models.

Hugo S. Oliveira, Pedro P. Ribeiro, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 11th Iberian Conference, 2023

A Machine Learning Approach for Predicting Microsatellite Instability using RNA-seq.

Miguel Simões, Tânia Pereira, Francisco Silva, José Manuel F. Machado, Hélder P. Oliveira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2023

AI-based Models to Predict the Heart Rate Using PPG and Accelerometer Signals During Physical Exercise.

Lucas Ribeiro, Hélder P. Oliveira, Xiao Hu, Tânia Pereira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2023

Patch-based CNN Models for Bone Marrow Edema Detection Using MRI.

André Gomes, Tânia Pereira, Francisco Silva, Pedro Franco, Diogo Costa Carvalho, Sílvia Costa Dias, Hélder P. Oliveira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2023

Multitask learning approach for lung nodule segmentation and classification in CT images.

Luís Fernandes, Hélder P. Oliveira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2023

2022

The Influence of a Coherent Annotation and Synthetic Addition of Lung Nodules for Lung Segmentation in CT Scans.

Joana Sousa, Tânia Pereira, Inês Neves, Francisco Silva, Hélder P. Oliveira

Sensors, 2022

Multiple instance learning for lung pathophysiological findings detection using CT scans.

Julieta Frade, Tânia Pereira, Joana Morgado, Francisco Silva, Cláudia Freitas, José Mendes, Eduardo Negrão, Beatriz Flor De Lima, Miguel Correia Da Silva, António J. Madureira, Isabel Ramos, José Luis Costa, Venceslau Hespanhol, António Cunha, Hélder P. Oliveira

Medical Biol. Eng. Comput., 2022

The effect of augmentation and transfer learning on the modelling of lower-limb sockets using 3D adversarial autoencoders.

Ana Costa, Daniel Rodrigues, Marina Castro, Sofia Assis, Hélder P. Oliveira

Displays, 2022

Robustness Analysis of Deep Learning-Based Lung Cancer Classification Using Explainable Methods.

Mafalda Malafaia, Francisco Silva, Inês Neves, Tânia Pereira, Hélder P. Oliveira

IEEE Access, 2022

An Edge-Based Computer Vision Approach for Determination of Sulfonamides in Water.

Inês Rocha, Fábio Azevedo, Pedro H. Carvalho, Patrícia S. Peixoto, Marcela A. Segundo, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 10th Iberian Conference, 2022

Differential Gene Expression Analysis of the Most Relevant Genes for Lung Cancer Prediction and Sub-type Classification.

Bernardo Ramos, Tânia Pereira, Francisco Silva, José Luis Costa, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 10th Iberian Conference, 2022

Unsupervised Approach for Malignancy Assessment of Lung Nodules in Computed Tomography Scans Using Radiomic Features.

Marco Teixeira, Tânia Pereira, Francisco Silva, António Cunha, Hélder P. Oliveira

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

On the way for the best imaging features from CT images to predict EGFR Mutation Status in Lung Cancer.

Pedro Silva, Tânia Pereira, Marco Teixeira, Francisco Silva, Hélder P. Oliveira

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

A Random Forest-based Classifier for MYCN Status Prediction in Neuroblastoma using CT Images.

Tânia Pereira, Francisco Silva, Pedro Claro, Diogo Costa Carvalho, Sílvia Costa Dias, Helena Torrão, Hélder P. Oliveira

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

Synthesizing 3D Lung CT scans with Generative Adversarial Networks.

Artur Ferreira, Tânia Pereira, Francisco Silva, Ana T. Vilares, Miguel Correia Da Silva, António Cunha, Hélder P. Oliveira

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2022

2021

Topological Similarity Index and Loss Function for Blood Vessel Segmentation.

Ricardo J. Araújo, Jaime S. Cardoso, Hélder P. Oliveira

CoRR, 2021

EGFR Assessment in Lung Cancer CT Images: Analysis of Local and Holistic Regions of Interest Using Deep Unsupervised Transfer Learning.

Francisco Silva, Tânia Pereira, Joana Morgado, Julieta Frade, José Mendes, Cláudia Freitas, Eduardo Negrão, Beatriz Flor De Lima, Miguel Correia Da Silva, António J. Madureira, Isabel Ramos, Venceslau Hespanhol, José Luis Costa, António Cunha, Hélder P. Oliveira

IEEE Access, 2021

Embedding Anatomical Characteristics in 3D Models of Lower-limb Sockets through Statistical Shape Modelling.

Ana Costa, Daniel Rodrigues, Marina Castro, Sofia Assis, Hélder P. Oliveira

Proceedings of the 16th International Joint Conference on Computer Vision, 2021

Mobile Application for Determining the Concentration of Sulfonamides in Water Using Digital Image Colorimetry.

Pedro Reis, Pedro H. Carvalho, Patrícia S. Peixoto, Marcela A. Segundo, Hélder P. Oliveira

Proceedings of the Universal Access in Human-Computer Interaction. Access to Media, Learning and Assistive Environments, 2021

The Impact of Interstitial Diseases Patterns on Lung CT Segmentation.

Francisco Silva, Tânia Pereira, Joana Morgado, António Cunha, Hélder P. Oliveira

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

An Interpretable Approach for Lung Cancer Prediction and Subtype Classification using Gene Expression.

Bernardo Ramos, Tânia Pereira, João Moranguinho, Joana Morgado, José Luis Costa, Hélder P. Oliveira

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

Attention Based Deep Multiple Instance Learning Approach for Lung Cancer Prediction using Histopathological Images.

João Moranguinho, Tânia Pereira, Bernardo Ramos, Joana Morgado, José Luis Costa, Hélder P. Oliveira

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

Ensemble Strategies for EGFR Mutation Status Prediction in Lung Cancer.

Mafalda Malafaia, Tânia Pereira, Francisco Silva, Joana Morgado, António Cunha, Hélder P. Oliveira

Proceedings of the 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2021

Cost-Efficient Color Correction Approach on Uncontrolled Lighting Conditions.

Pedro H. Carvalho, Inês Rocha, Fábio Azevedo, Patrícia S. Peixoto, Marcela A. Segundo, Hélder P. Oliveira

Proceedings of the Computer Analysis of Images and Patterns, 2021

Stacking Approach for Lung Cancer EGFR Mutation Status Prediction from CT Scans.

Alexandra Ventura, Tânia Pereira, Francisco Silva, Cláudia Freitas, António Cunha, Hélder P. Oliveira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2021

2020

B-Mode Ultrasound Breast Anatomy Segmentation.

João F. Teixeira, António M. Carreiro, Rute M. Santos, Hélder P. Oliveira

Proceedings of the Image Analysis and Recognition - 17th International Conference, 2020

A Framework for Fusion of T1-Weighted and Dynamic MRI Sequences.

João F. Teixeira, Sílvia Bessa, Pedro F. Gouveia, Hélder P. Oliveira

Proceedings of the Image Analysis and Recognition - 17th International Conference, 2020

Domain Adaptation for Heart Rate Extraction in the Neonatal Intensive Care Unit.

Diogo Malafaya, Sara Domingues, Hélder P. Oliveira

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2020

2019

Computer aided detection of deep inferior epigastric perforators in computed tomography angiography scans.

Ricardo J. Araújo, Vera Garrido, Catarina A. Baraças, Maria A. Vasconcelos, Carlos Mavioso, João C. Anacleto, Maria João Cardoso, Hélder P. Oliveira

Comput. Medical Imaging Graph., 2019

A Deep Learning Design for Improving Topology Coherence in Blood Vessel Segmentation.

Ricardo J. Araújo, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the Medical Image Computing and Computer Assisted Intervention - MICCAI 2019, 2019

Small Bowel Mucosa Segmentation for Frame Characterization in Videos of Endoscopic Capsules.

Gil Pinheiro, Paulo Jorge Simães Coelho, Mariana Mourão, Marta Salgado, Hélder P. Oliveira, António Cunha

Proceedings of the 16th IEEE International Symposium on Biomedical Imaging, 2019

Registration of Breast MRI and 3D Scan Data Based on Surface Matching.

Sílvia Bessa, Pedro H. Carvalho, Hélder P. Oliveira

Proceedings of the 16th IEEE International Symposium on Biomedical Imaging, 2019

Lightweight Deep Learning Pipeline for Detection, Segmentation and Classification of Breast Cancer Anomalies.

Hugo S. Oliveira, João F. Teixeira, Hélder P. Oliveira

Proceedings of the Image Analysis and Processing - ICIAP 2019, 2019

Geometry-Based Skin Colour Estimation for Bare Torso Surface Reconstruction.

João P. Monteiro, Hooshiar Zolfagharnasab, Hélder P. Oliveira

Proceedings of the Image Analysis and Processing - ICIAP 2019, 2019

A Single-Resolution Fully Convolutional Network for Retinal Vessel Segmentation in Raw Fundus Images.

Ricardo J. Araújo, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the Image Analysis and Processing - ICIAP 2019, 2019

Radiogenomics: Lung Cancer-Related Genes Mutation Status Prediction.

Catarina Dias, Gil Pinheiro, António Cunha, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 9th Iberian Conference, 2019

Towards Automatic and Robust Particle Tracking in Microrheology Studies.

Marina Castro, Ricardo J. Araújo, Laura Campo-Deaño, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 9th Iberian Conference, 2019

Estimation of Sulfonamides Concentration in Water Based on Digital Colourimetry.

Pedro H. Carvalho, Sílvia Bessa, Ana Rosa M. Silva, Patrícia S. Peixoto, Marcela A. Segundo, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 9th Iberian Conference, 2019

Deep Vesselness Measure from Scale-Space Analysis of Hessian Matrix Eigenvalues.

Ricardo J. Araújo, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 9th Iberian Conference, 2019

Automatic Sternum Segmentation in Thoracic MRI.

Mariana Dias, Beatriz Rocha, João F. Teixeira, Hélder P. Oliveira

Proceedings of the 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2019

Lesions Multiclass Classification in Endoscopic Capsule Frames.

Maria Teresa Valério, Sara Gomes, Marta Salgado, Hélder P. Oliveira, António Cunha

Proceedings of the CENTERIS 2019 - International Conference on ENTERprise Information Systems / ProjMAN 2019 - International Conference on Project MANagement / HCist 2019, 2019

Unsupervised Neural Network for Homography Estimation in Capsule Endoscopy Frames.

Sara Gomes, Maria Teresa Valério, Marta Salgado, Hélder P. Oliveira, António Cunha

Proceedings of the CENTERIS 2019 - International Conference on ENTERprise Information Systems / ProjMAN 2019 - International Conference on Project MANagement / HCist 2019, 2019

2018

A Regression Model for Predicting Shape Deformation after Breast Conserving Surgery.

Hooshiar Zolfagharnasab, Sílvia Bessa, Sara Pires de Oliveira, Pedro Faria, João F. Teixeira, Jaime S. Cardoso, Hélder P. Oliveira

Sensors, 2018

Deep Homography Based Localization on Videos of Endoscopic Capsules.

Gil Pinheiro, Paulo Jorge Simães Coelho, Marta Salgado, Hélder P. Oliveira, António Cunha

Proceedings of the IEEE International Conference on Bioinformatics and Biomedicine, 2018

2017

Multi-modal Complete Breast Segmentation.

Hooshiar Zolfagharnasab, João P. Monteiro, João F. Teixeira, Filipa Borlinhas, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

Spacial Aliasing Artefact Detection on T1-Weighted MRI Images.

João F. Teixeira, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

Prediction of Breast Deformities: A Step Forward for Planning Aesthetic Results After Breast Surgery.

Sílvia Bessa, Hooshiar Zolfagharnasab, Eduardo Marques Pereira, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

Registration of Breast Surface Data Before and After Surgical Intervention.

Sílvia Bessa, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

Segmentation of the Rectus Abdominis Muscle Anterior Fascia for the Analysis of Deep Inferior Epigastric Perforators.

Ricardo J. Araújo, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 8th Iberian Conference, 2017

2016

The breast cancer conservative treatment. Cosmetic results - BCCT.core - Software for objective assessment of esthetic outcome in breast cancer conservative treatment: A narrative review.

Maria João Cardoso, Jaime S. Cardoso, Hélder P. Oliveira, Pedro Gouveia

Comput. Methods Programs Biomed., 2016

Breast Conserving Surgery Outcome Prediction: A Patient-Specific, Integrated Multi-modal Imaging and Mechano-Biological Modelling Framework.

Björn Eiben, Rene M. Lacher, Vasileios Vavourakis, John H. Hipwell, Danail Stoyanov, Norman R. Williams, Jörg Sabczynski, Thomas Bülow, Dominik Kutra, Kirsten Meetz, Stewart Young, Hans Barschdorf, Hélder P. Oliveira, Jaime S. Cardoso, João P. Monteiro, Hooshiar Zolfagharnasab, Ralph Sinkus, Pedro Gouveia, Gerrit-Jan Liefers, Barbara Molenkamp, Cornelis J. H. van de Velde, David J. Hawkes, Maria João Cardoso, Mohammed Keshtgar

Proceedings of the Breast Imaging, 2016

Fitting of Breast Data Using Free Form Deformation Technique.

Hooshiar Zolfagharnasab, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the Image Analysis and Recognition - 13th International Conference, 2016

2015

A Kinect-Based System for Upper-Body Function Assessment in Breast Cancer Patients.

Rita Moreira, André Magalhães, Hélder P. Oliveira

J. Imaging, 2015

Closed Shortest Path in the Original Coordinates with an Application to Breast Cancer.

Jaime S. Cardoso, Inês Domingues, Hélder P. Oliveira

Int. J. Pattern Recognit. Artif. Intell., 2015

Video Analysis in Indoor Soccer using a Quadcopter.

Filipe Trocado Ferreira, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the ICPRAM 2015, 2015

A Kinect-Based System to Assess Lymphedema Impairments in Breast Cancer Patients.

Rita Moreira, André Magalhães, Hélder P. Oliveira

Proceedings of the Pattern Recognition and Image Analysis - 7th Iberian Conference, 2015

2014

A 3D low-cost solution for the aesthetic evaluation of breast cancer conservative treatment.

Hélder P. Oliveira, Jaime S. Cardoso, André Magalhães, Maria João Cardoso

Comput. methods Biomech. Biomed. Eng. Imaging Vis., 2014

MobBIO: A Multimodal Database Captured with a Portable Handheld Device.

Ana Filipa Sequeira, João C. Monteiro, Ana Rebelo, Hélder P. Oliveira

Proceedings of the VISAPP 2014, 2014

A depth-map approach for automatic mice behavior recognition.

João P. Monteiro, Hélder P. Oliveira, Paulo Aguiar, Jaime S. Cardoso

Proceedings of the 2014 IEEE International Conference on Image Processing, 2014

MobILive 2014 - Mobile Iris Liveness Detection Competition.

Ana Filipa Sequeira, Hélder P. Oliveira, João C. Monteiro, João P. Monteiro, Jaime S. Cardoso

Proceedings of the IEEE International Joint Conference on Biometrics, Clearwater, 2014

Morphometric analysis of sciatic nerve images: A directional gradient approach.

Ines V. Rodrigues, Pedro M. Ferreira, Ana R. Malheiro, Pedro Brites, Eduardo Marques Pereira, Hélder P. Oliveira

Proceedings of the 2014 IEEE International Conference on Bioinformatics and Biomedicine, 2014

Fitting of superquadrics for breast modelling by geometric distance minimization.

Diogo Pernes, Jaime S. Cardoso, Hélder P. Oliveira

Proceedings of the 2014 IEEE International Conference on Bioinformatics and Biomedicine, 2014

Tessellation-based coarse registration method for 3D reconstruction of the female torso.

Pedro Costa, João P. Monteiro, Hooshiar Zolfagharnasab, Hélder P. Oliveira

Proceedings of the 2014 IEEE International Conference on Bioinformatics and Biomedicine, 2014

2013

Robust Iris Localisation in Challenging Scenarios.

João C. Monteiro, Ana Filipa Sequeira, Hélder P. Oliveira, Jaime S. Cardoso

Proceedings of the Computer Vision, Imaging and Computer Graphics - Theory and Applications, 2013

Robust Iris Segmentation under Unconstrained Settings.

João C. Monteiro, Hélder P. Oliveira, Ana Filipa Sequeira, Jaime S. Cardoso

Proceedings of the VISAPP 2013, 2013

Is Kinect Depth Data Accurate for the Aesthetic Evaluation after Breast Cancer Surgeries?

Hélder P. Oliveira, Marco D. Silva, André Magalhães, Maria João Cardoso, Jaime S. Cardoso

Proceedings of the Pattern Recognition and Image Analysis - 6th Iberian Conference, 2013

2012

Simultaneous detection of prominent points on breast cancer conservative treatment images.

Hélder P. Oliveira, Jaime S. Cardoso, André Magalhães, Maria João Cardoso

Proceedings of the 19th IEEE International Conference on Image Processing, 2012

Two Unconstrained Biometric Databases.

Hélder P. Oliveira, Filipe Magalhães

Proceedings of the Image Analysis and Recognition - 9th International Conference, 2012

Hand-Geometry Based Recognition System - A Non Restricted Acquisition Approach.

Hélder Matos, Hélder P. Oliveira, Filipe Magalhães

Proceedings of the Image Analysis and Recognition - 9th International Conference, 2012

Proactive engineering.

Cândido Duarte, Hélder P. Oliveira, Filipe Magalhães, Vítor Grade Tavares, Aurélio C. Campilho, Pedro Guedes de Oliveira

Proceedings of the IEEE Global Engineering Education Conference, 2012

2011

Feature Selection with Complexity Measure in a Quadratic Programming Setting.

Ricardo Gamelas Sousa, Hélder P. Oliveira, Jaime S. Cardoso

Proceedings of the Pattern Recognition and Image Analysis - 5th Iberian Conference, 2011

2009

A new method for the detection of singular points in fingerprint images.

Filipe Magalhães, Hélder P. Oliveira, Aurélio C. Campilho

Proceedings of the IEEE Workshop on Applications of Computer Vision (WACV 2009), 2009

Image Retargeting using Stable Paths.

Hélder P. Oliveira, Jaime S. Cardoso

Proceedings of the VISAPP 2009 - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications, Lisboa, Portugal, February 5-8, 2009, 2009

2008

Dynamical Models for Omni-directional Robots with 3 and 4 Wheels.

Hélder P. Oliveira, Armando J. Sousa, A. Paulo Moreira, Paulo José Costa

Proceedings of the ICINCO 2008, 2008

Sensor and actuator modeling of a realistic wheeled mobile robot simulator.

José Gonçalves, José Lima, Hélder P. Oliveira, Paulo G. Costa

Proceedings of 13th IEEE International Conference on Emerging Technologies and Factory Automation, 2008