Nuno Gonçalves

96 papers A* 4A 4B 9C 6Misc 4Journal 36Unranked 31

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	DFIC: Towards a balanced facial image dataset for automatic ICAO compliance verification. CoRR Nuno Gonçalves, Diogo Nunes, Carla Guerra, João Marcos
2026	J	`jnl`	DocSafe: Toward Practical Print-Proof Image Steganography via Frequency Decomposition and Covariance Alignment. IEEE Access Farhad Shadmand, Iurii Medvedev, Luiz Schirmer, Nuno Gonçalves
2026	Misc	`ed.`	Pattern Recognition and Image Analysis - 12th Iberian Conference, IbPRIA 2025, Coimbra, Portugal, June 30 - July 3, 2025, Proceedings, Part I IbPRIA (1) Nuno Gonçalves, Hélder P. Oliveira, Joan-Andreu Sánchez
2026	—	`ed.`	Pattern Recognition and Image Analysis - 12th Iberian Conference, IbPRIA 2025, Coimbra, Portugal, June 30 - July 3, 2025, Proceedings, Part II IbPRIA (2) Nuno Gonçalves, Hélder P. Oliveira, Joan-Andreu Sánchez
2025	B	`conf`	Adversarial Attack Challenge for Secure Face Recognition 2025. IJCB João Tremoço, Iurii Medvedev, Nuno R. Freitas, Andreia M. Costa, Diogo Nunes, Niklas Bunzel, Lukas Graner, Nicholas Göller, Lorenzo Pellegrini, Nicolò Di Domenico, Guido Borghi, Monson Verghese, Shruti Bhilare, Avik Hati, Miguel Lourenço, Nuno Gonçalves
2025	J	`jnl`	FLOWING: Implicit Neural Flows for Structure-Preserving Morphing. CoRR Arthur Bizzi, Matias Grynberg, Vitor Matias, Daniel Perazzo, João Paulo Lima, Luiz Velho, Nuno Gonçalves, João Pereira, Guilherme G. Schardong, Tiago Novello
2025	Misc	`conf`	Federated Learning for Secure and Privacy-Preserving Facial Recognition: Advances, Challenges, and Research Directions. IbPRIA Ajnas Muhammed, João Marcos, Nuno Gonçalves
2025	J	`jnl`	Geometric implicit neural representations for signed distance functions. CoRR Luiz Schirmer, Tiago Novello, Vinícius da Silva, Guilherme G. Schardong, Daniel Perazzo, Hélio Lopes, Nuno Gonçalves, Luiz Velho
2025	J	`jnl`	Graph-Based Radiomics Feature Extraction From 2D Retina Images. IEEE Access Ofélio Jorreia, Nuno Gonçalves, Rui Cortesão
2025	—	`conf`	How LLMs See People. IbPRIA (2) Carlos Roxo, João Marcos, Nuno Gonçalves
2025	J	`jnl`	MorphGuard: Morph Specific Margin Loss for Enhancing Robustness to Face Morphing Attacks. CoRR Iurii Medvedev, Nuno Gonçalves
2025	Misc	`conf`	On the Use of Implicit Representations for Deepfake Detection. IbPRIA Miguel Leão, Nuno Gonçalves
2025	A	`conf`	RiemStega: Covariance-Based Loss for Print-Proof Transmission of Data in Images. WACV Aniana Cruz, Guilherme G. Schardong, Luiz Schirmer, João Marcos, Farhad Shadmand, Nuno Gonçalves
2025	B	`conf`	Second Competition on Presentation Attack Detection on ID Card. IJCB Juan E. Tapia, Mario Nieto, Juan M. Espín, Alvaro S. Rocamora, Javier Barrachina, Naser Damer, Christoph Busch, Marija Ivanovska, Leon Todorov, Renat Khizbullin, Lazar Lazarevich, Aleksei Grishin, Daniel Schulz, Sebastian Gonzalez, Amir Mohammadi, Ketan Kotwal, Sébastien Marcel, Raghavendra Mudgalgundurao, Kiran Raja, Patrick Schuch, Sushrut Patwardhan, Raghavendra Ramachandra, Pedro Couto Pereira, João Ribeiro Pinto, Mariana Xavier, Andres Valenzuela, Rodrigo Lara, Borut Batagelj, Marko Peterlin, Peter Peer, Ajnas Muhammed, Diogo Nunes, Nuno Gonçalves
2025	J	`jnl`	Second Competition on Presentation Attack Detection on ID Card. CoRR Juan E. Tapia, Mario Nieto, Juan M. Espín, Alvaro S. Rocamora, Javier Barrachina, Naser Damer, Christoph Busch, Marija Ivanovska, Leon Todorov, Renat Khizbullin, Lazar Lazarevich, Aleksei Grishin, Daniel Schulz, Sebastian Gonzalez, Amir Mohammadi, Ketan Kotwal, Sébastien Marcel, Raghavendra Mudgalgundurao, Kiran B. Raja, Patrick Schuch, Sushrut Patwardhan, Raghavendra Ramachandra, Pedro Couto Pereira, João Ribeiro Pinto, Mariana Xavier, Andres Valenzuela, Rodrigo Lara, Borut Batagelj, Marko Peterlin, Peter Peer, Ajnas Muhammed, Diogo Nunes, Nuno Gonçalves
2025	C	`conf`	StylePuncher: Encoding a Hidden QR Code into Images. ICPRAM Farhad Shadmand, Luiz Schirmer, Nuno Gonçalves
2025	C	`conf`	Towards Secure Biometric Solutions: Enhancing Facial Recognition While Protecting User Data. ICPRAM Jose Silva, Aniana Cruz, Bruno Sousa, Nuno Gonçalves
2025	J	`jnl`	VOIDFace: A Privacy-Preserving Multi-Network Face Recognition With Enhanced Security. CoRR Ajnas Muhammed, Iurri Medvedev, Nuno Gonçalves
2025	B	`conf`	VOIDFace: Towards an effective face training data storage and protection with Right-To-Be-Forgotten property. IJCB Ajnas Muhammed, Iurii Medvedev, Nuno Gonçalves
2024	B	`conf`	Face Liveness Detection Competition (LivDet-Face) - 2024. IJCB Lambert Igene, Afzal Hossain, Mohammad Zahir Uddin Chowdhury, Humaira Rezaie, Ayden Rollins, Jesse Dykes, Rahul Vijaykumar, Alain Komaty, Sébastien Marcel, Stephanie Schuckers, Juan E. Tapia, Carlos Aravena, Daniel Schulz, Banafsheh Adami, Nima Karimian, Diogo Nunes, João Marcos, Nuno Gonçalves, Lovro Sikosek, Borut Batagelj, Aleksandr Alenin, Alhasan Alkhaddour, Anton Pimenov, Artem Tregubov, Igor Avdonin, Maxim Kazantsev, Mikhail Pozigun, Vasiliy Pryadchenko, Nima Schei, David Pabon, Manuela Tiedemann
2024	—	`conf`	Fused Classification For Differential Face Morphing Detection. WACV (Workshops) Iurii Medvedev, Joana Alves Pimenta, Nuno Gonçalves
2024	J	`jnl`	Geometric implicit neural representations for signed distance functions. Comput. Graph. Luiz Schirmer, Tiago Novello, Vinícius da Silva, Guilherme G. Schardong, Daniel Perazzo, Hélio Lopes, Nuno Gonçalves, Luiz Velho
2024	B	`conf`	MorFacing: A Benchmark for Estimation Face Recognition Robustness to Face Morphing Attacks. IJCB Iurii Medvedev, Nuno Gonçalves
2024	A*	`conf`	Neural Implicit Morphing of Face Images. CVPR Guilherme G. Schardong, Tiago Novello, Hallison Paz, Iurii Medvedev, Vinícius da Silva, Luiz Velho, Nuno Gonçalves
2024	C	`conf`	Noise Simulation for the Improvement of Training Deep Neural Network for Printer-Proof Steganography. ICPRAM Telmo Cunha, Luiz Schirmer, João Marcos, Nuno Gonçalves
2024	J	`jnl`	Quadruplet Loss For Improving the Robustness to Face Morphing Attacks. CoRR Iurii Medvedev, Nuno Gonçalves
2024	—	`conf`	Quadruplet Loss for Improving the Robustness to Face Morphing Attacks. IWBF Iurii Medvedev, Nuno Gonçalves
2024	J	`jnl`	Simulated multimodal deep facial diagnosis. Expert Syst. Appl. Bo Jin, Nuno Gonçalves, Leandro Cruz, Iurii Medvedev, Yuanyu Yu, Jiujiang Wang
2024	J	`jnl`	Social NSTransformers: Low-Quality Pedestrian Trajectory Prediction. IEEE Trans. Artif. Intell. Zihan Jiang, Yiqun Ma, Bingyu Shi, Xin Lu, Jian Xing, Nuno Gonçalves, Bo Jin
2024	—	`conf`	StampOne: Addressing Frequency Balance in Printer-proof Steganography. CVPR Workshops Farhad Shadmand, Iurii Medvedev, Luiz Schirmer, João Marcos, Nuno Gonçalves
2024	B	`conf`	Young Labeled Faces in the Wild (YLFW): A Dataset for Children Faces Recognition. FG Iurii Medvedev, Farhad Shadmand, Nuno Gonçalves
2023	—	`conf`	Automatic Validation of ICAO Compliance Regarding Head Coverings: An Inclusive Approach Concerning Religious Circumstances. BIOSIG Carla Guerra, João Marcos, Nuno Gonçalves
2023	C	`conf`	Dealing with Overfitting in the Context of Liveness Detection Using FeatherNets with RGB Images. ICPRAM Miguel Leão, Nuno Gonçalves
2023	J	`jnl`	Fused Classification For Differential Face Morphing Detection. CoRR Iurii Medvedev, Joana Alves Pimenta, Nuno Gonçalves
2023	—	`conf`	Impact of Image Context for Single Deep Learning Face Morphing Attack Detection. BIOSIG Joana Alves Pimenta, Iurii Medvedev, Nuno Gonçalves
2023	J	`jnl`	Impact of Image Context for Single Deep Learning Face Morphing Attack Detection. CoRR Joana Alves Pimenta, Iurii Medvedev, Nuno Gonçalves
2023	B	`conf`	Improving Performance of Facial Biometrics With Quality-Driven Dataset Filtering. FG Iurii Medvedev, Nuno Gonçalves
2023	C	`conf`	MorDeephy: Face Morphing Detection via Fused Classification. ICPRAM Iurii Medvedev, Farhad Shadmand, Nuno Gonçalves
2023	J	`jnl`	Neural Implicit Morphing of Face Images. CoRR Guilherme G. Schardong, Tiago Novello, Daniel Perazzo, Hallison Paz, Iurii Medvedev, Luiz Velho, Nuno Gonçalves
2023	J	`jnl`	Probabilistic Approach for Road-Users Detection. IEEE Trans. Intell. Transp. Syst. Gledson Melotti, Weihao Lu, Pedro Conde, Dezong Zhao, Alireza Asvadi, Nuno Gonçalves, Cristiano Premebida
2023	J	`jnl`	Young Labeled Faces in the Wild (YLFW): A Dataset for Children Faces Recognition. CoRR Iurii Medvedev, Farhad Shadmand, Nuno Gonçalves
2022	J	`jnl`	MorDeephy: Face Morphing Detection Via Fused Classification. CoRR Iurii Medvedev, Farhad Shadmand, Nuno Gonçalves
2022	J	`jnl`	Reducing Overconfidence Predictions for Autonomous Driving Perception. CoRR Gledson Melotti, Cristiano Premebida, Jordan J. Bird, Diego R. Faria, Nuno Gonçalves
2022	J	`jnl`	Reducing Overconfidence Predictions in Autonomous Driving Perception. IEEE Access Gledson Melotti, Cristiano Premebida, Jordan J. Bird, Diego R. Faria, Nuno Gonçalves
2022	J	`jnl`	Towards understanding the character of quality sampling in deep learning face recognition. IET Biom. Iurii Medvedev, João Tremoço, Beatriz Mano, Luís Espírito Santo, Nuno Gonçalves
2021	J	`jnl`	CodeFace: A Deep Learning Printer-Proof Steganography for Face Portraits. IEEE Access Farhad Shadmand, Iurii Medvedev, Nuno Gonçalves
2021	C	`conf`	Face Depth Prediction by the Scene Depth. ICIS Bo Jin, Leandro Cruz, Nuno Gonçalves
2021	J	`jnl`	Probabilistic Approach for Road-Users Detection. CoRR Gledson Melotti, W. Lu, Dezong Zhao, Alireza Asvadi, Nuno Gonçalves, Cristiano Premebida
2021	—	`conf`	QualFace: Adapting Deep Learning Face Recognition for ID and Travel Documents with Quality Assessment. BIOSIG João Tremoço, Iurii Medvedev, Nuno Gonçalves
2020	J	`jnl`	Augmented Shared Spaces: An Application for Exposure Psychotherapy. Int. J. Online Biomed. Eng. Bruno Patrão, Paulo Menezes, Nuno Gonçalves
2020	J	`jnl`	Bio-Inspired Modality Fusion for Active Speaker Detection. CoRR Gustavo Assunção, Nuno Gonçalves, Paulo Menezes
2020	—	`conf`	Biometric System for Mobile Validation of ID And Travel Documents. BIOSIG Iurii Medvedev, Nuno Gonçalves, Leandro Cruz
2020	B	`conf`	Cost Volume Refinement for Depth Prediction. ICPR João Libório Cardoso, Nuno Gonçalves, Michael Wimmer
2020	J	`jnl`	Deep Facial Diagnosis: Deep Transfer Learning From Face Recognition to Facial Diagnosis. IEEE Access Bo Jin, Leandro Cruz, Nuno Gonçalves
2020	—	`conf`	Deep-Learning based Global and Semantic Feature Fusion for Indoor Scene Classification. ICARSC Ricardo Pereira, Nuno Gonçalves, Luis Garrote, Tiago Barros, Ana C. Lopes, Urbano J. Nunes
2020	—	`conf`	Multimodal Deep-Learning for Object Recognition Combining Camera and LIDAR Data. ICARSC Gledson Melotti, Cristiano Premebida, Nuno Gonçalves
2020	J	`jnl`	Probabilistic Object Classification using CNN ML-MAP layers. CoRR Gledson Melotti, Cristiano Premebida, Jordan J. Bird, Diego R. Faria, Nuno Gonçalves
2019	—	`conf`	A Content-aware Filtering for RGBD Faces. VISIGRAPP (1: GRAPP) Leandro Dihl, Leandro Cruz, Nuno Barroso Monteiro, Nuno Gonçalves
2019	—	`conf`	Augmenting Shared Spaces in Psychotherapy Contexts. exp.at Bruno Patrão, Paulo Menezes, Nuno Gonçalves
2018	—	`conf`	An Augmented Reality Application Using Graphic Code Markers. AIVR Bruno Patrão, Leandro Cruz, Nuno Gonçalves
2018	—	`conf`	Exemplar Based Filtering of 2.5D Meshes of Faces. Eurographics (Posters) Leandro Dihl, Leandro Cruz, Nuno Gonçalves
2018	—	`conf`	Graphic Code: A New Machine Readable Approach. AIVR Leandro Cruz, Bruno Patrão, Nuno Gonçalves
2018	—	`conf`	Halftone Pattern: A New Steganographic Approach. Eurographics (Short Papers) Leandro Cruz, Bruno Patrão, Nuno Gonçalves
2018	—	`conf`	Large Scale Information Marker Coding for Augmented Reality Using Graphic Code. AIVR Bruno Patrão, Leandro Cruz, Nuno Gonçalves
2018	—	`conf`	Multimodal CNN Pedestrian Classification: A Study on Combining LIDAR and Camera Data. ITSC Gledson Melotti, Cristiano Premebida, Nuno Gonçalves, Urbano José C. Nunes, Diego R. Faria
2017	A*	`conf`	An application of a halftone pattern coding in augmented reality. SIGGRAPH ASIA (Posters) Bruno Patrão, Leandro Cruz, Nuno Gonçalves
2017	J	`jnl`	Forward projection model of non-central catadioptric cameras with spherical mirrors. Robotica Nuno Gonçalves, Ana Catarina Nogueira, André Lages Miguel
2016	J	`jnl`	A Framework for Augmented Reality using Non-Central Catadioptric Cameras. J. Intell. Robotic Syst. Tiago J. Dias, Pedro Miraldo, Nuno Gonçalves
2016	B	`conf`	Accurate and fast micro lenses depth maps from a 3D point cloud in light field cameras. ICPR Rodrigo Ferreira, Nuno Gonçalves
2016	—	`conf`	Fast and Accurate Micro Lenses Depth Maps for Multi-focus Light Field Cameras. GCPR Rodrigo Ferreira, Nuno Gonçalves
2016	—	`conf`	Multi-Focus Plenoptic Simulator and Lens Pattern Mixing for Dense Depth Map Estimation. Eurographics (Short Papers) Rodrigo Ferreira, Joel Cunha, Nuno Gonçalves
2016	J	`jnl`	SO Spin, a C++ library for Yukawa decomposition in SO(2N) models. Comput. Phys. Commun. Nuno Cardoso, David Emmanuel-Costa, Nuno Gonçalves, Catarina Simões
2015	—	`conf`	A Framework for Augmented Reality Using Non-Central Catadioptric Cameras. ICARSC Tiago J. Dias, Pedro Miraldo, Nuno Gonçalves
2015	A	`conf`	Augmented reality on robot navigation using non-central catadioptric cameras. IROS Tiago J. Dias, Pedro Miraldo, Nuno Gonçalves, Pedro U. Lima
2015	J	`jnl`	Perspective shape from shading for wide-FOV near-lighting endoscopes. Neurocomputing Nuno Gonçalves, Diogo Roxo, João Pedro Barreto, Pedro Rodrigues
2015	J	`jnl`	Pose Estimation for General Cameras Using Lines. IEEE Trans. Cybern. Pedro Miraldo, Helder Araújo, Nuno Gonçalves
2014	—	`conf`	Automatic Web Page Classification Using Visual Content for Subjective and Functional Variables. WEBIST (Revised Selected Papers) Nuno Gonçalves, Antonio Videira
2014	—	`conf`	Automatic Web Page Classification Using Visual Content. WEBIST (2) Antonio Videira, Nuno Gonçalves
2014	—	`conf`	Real-Time 3D Visualization of Accurate Specular Reflections in Curved Mirrors - A GPU Implementation. GRAPP André Lages Miguel, Ana Catarina Nogueira, Nuno Gonçalves
2013	J	`jnl`	A methodology for detection and estimation in the analysis of golf putting. Pattern Anal. Appl. Micael S. Couceiro, David Portugal, Nuno Gonçalves, Rui P. Rocha, J. Miguel A. Luz, Carlos M. Figueiredo, Gonçalo Dias
2013	A	`conf`	Fusing appearance and geometric constraints for estimating the epipolar geometry. WACV Miguel Lourenço, Nuno Gonçalves
2013	—	`conf`	Near-LSPA performance at MSA complexity. ICC João Andrade, Gabriel Falcão Paiva Fernandes, Vítor Manuel Mendes da Silva, João Pedro Barreto, Nuno Gonçalves, Valentin Savin
2013	Misc	`conf`	Perspective Shape from Shading for Wide-FOV Near-Lighting Endoscopes. IbPRIA Diogo Roxo, Nuno Gonçalves, João Pedro Barreto
2013	A*	`conf`	Unsupervised Intrinsic Calibration from a Single Frame Using a "Plumb-Line" Approach. ICCV Rui Melo, Michel Antunes, João Pedro Barreto, Gabriel Falcão, Nuno Gonçalves
2012	J	`jnl`	Genetic fuzzy system for data-driven soft sensors design. Appl. Soft Comput. Jérôme Mendes, Francisco Souza, Rui Araújo, Nuno Gonçalves
2010	—	`conf`	Faster accurate reflections throught quadric mirrors. SIGGRAPH Posters Nuno Gonçalves, Ana Catarina Nogueira
2009	J	`jnl`	Estimating parameters of noncentral catadioptric systems using bundle adjustment. Comput. Vis. Image Underst. Nuno Gonçalves, Helder Araújo
2009	—	`conf`	Projection through quadric mirrors made faster. ICCV Workshops Nuno Gonçalves, Ana Catarina Nogueira
2008	—	`—`	Noncentral catadioptric systems with quadric mirrors : geometry and calibration Nuno Gonçalves
2007	A*	`conf`	Linear solution for the pose estimation of noncentral catadioptric systems. ICCV Nuno Gonçalves, Helder Araújo
2004	—	`conf`	Projection Model, 3D Reconstruction and Rigid Motion Estimation from Non-Central Catadioptric Images. 3DPVT Nuno Gonçalves, Helder Araújo
2004	—	`conf`	Rigid Motion Estimation from Non-Central Catadioptric Images. ICPR (4) Nuno Gonçalves, Helder Araújo
2003	J	`jnl`	Analysis and comparison of two methods for the estimation of 3D motion parameters. Robotics Auton. Syst. Nuno Gonçalves, Helder Araújo
2003	—	`conf`	Mirror shape recovery from image curves and intrinsic parameters: Rotationally symmetric and conic mirrors. CVPR Workshops Nuno Gonçalves, Helder Araújo
2002	—	`conf`	Estimation of 3D Motion from Stereo Images- Differential and Discrete Formulations. ICPR (1) Nuno Gonçalves, Helder Araújo
2002	A	`conf`	Estimation of 3D motion from stereo images-uncertainty analysis and experimental results. IROS Nuno Gonçalves, Helder Araújo