Nuno Gracias

46 papers A* 1A 1C 2Misc 1Journal 33Unranked 7
YearRankTypeTitle / Venue / Authors
2025 J jnl
BenthiCat: An opti-acoustic dataset for advancing benthic classification and habitat mapping.
CoRR
Hayat Rajani, Valerio Franchi, Borja Martinez-Clavel Valles, Raimon Ramos, Rafael García, Nuno Gracias
2025 J jnl
Coarse-to-Fine Non-Rigid Registration for Side-Scan Sonar Mosaicking.
CoRR
Can Lei, Nuno Gracias, Rafael García, Hayat Rajani, Huigang Wang
2025 J jnl
PhysDNet: Physics-Guided Decomposition Network of Side-Scan Sonar Imagery.
CoRR
Can Lei, Hayat Rajani, Nuno Gracias, Rafael García, Huigang Wang
2025 J jnl
Real-time Seafloor Segmentation and Mapping.
CoRR
Michele Grimaldi, Nouf Alkaabi, Francesco Ruscio, Sebastian Realpe Rua, Rafael García, Nuno Gracias
2025 A* conf
Stonefish: Supporting Machine Learning Research in Marine Robotics.
ICRA
Michele Grimaldi, Patryk Cieslak, Eduardo Ochoa, Vibhav Bharti, Hayat Rajani, Ignacio Carlucho, Maria Koskinopoulou, Yvan R. Petillot, Nuno Gracias
2025 J jnl
Stonefish: Supporting Machine Learning Research in Marine Robotics.
CoRR
Michele Grimaldi, Patryk Cieslak, Eduardo Ochoa, Vibhav Bharti, Hayat Rajani, Ignacio Carlucho, Maria Koskinopoulou, Yvan R. Petillot, Nuno Gracias
2025 J jnl
eStonefish-scenes: A synthetically generated dataset for underwater event-based optical flow prediction tasks.
CoRR
Jad Mansour, Sebastian Realpe, Hayat Rajani, Michele Grimaldi, Rafael García, Nuno Gracias
2024 J jnl
eCARLA-scenes: A synthetically generated dataset for event-based optical flow prediction.
CoRR
Jad Mansour, Hayat Rajani, Rafael García, Nuno Gracias
2023 J jnl
A Convolutional Vision Transformer for Semantic Segmentation of Side-Scan Sonar Data.
CoRR
Hayat Rajani, Nuno Gracias, Rafael García
2022 J jnl
Collision Detection and Avoidance for Underwater Vehicles Using Omnidirectional Vision.
Sensors
Eduardo Ochoa, Nuno Gracias, Klemen Istenic, Josep Bosch, Patryk Cieslak, Rafael García
2022 J jnl
Editorial: AI processing of UAV acquired images for pattern monitoring in natural and urban environments.
Frontiers Robotics AI
Yago Diez Donoso, Nuno Gracias, Mariano Cabezas, Carsten Jürgens, Maximo Larry Lopez Caceres
2021 — conf
Hyperspectral 3D Mapping of Underwater Environments.
ICCVW
Maxime Ferrera, Aurélien Arnaubec, Klemen Istenic, Nuno Gracias, Touria Bajjouk
2021 J jnl
Hyperspectral 3D Mapping of Underwater Environments.
CoRR
Maxime Ferrera, Aurélien Arnaubec, Klemen Istenic, Nuno Gracias, Touria Bajjouk
2021 J jnl
Semantic Mapping for Autonomous Subsea Intervention.
Sensors
Guillem Vallicrosa, Khadidja Himri, Pere Ridao, Nuno Gracias
2021 J jnl
Underwater Object Recognition Using Point-Features, Bayesian Estimation and Semantic Information.
Sensors
Khadidja Himri, Pere Ridao, Nuno Gracias
2020 J jnl
Multisensor online 3D view planning for autonomous underwater exploration.
J. Field Robotics
Eduard Vidal, Narcís Palomeras, Klemen Istenic, Nuno Gracias, Marc Carreras
2019 J jnl
3D Object Recognition Based on Point Clouds in Underwater Environment with Global Descriptors: A Survey.
Sensors
Khadidja Himri, Pere Ridao, Nuno Gracias
2019 J jnl
Automatic Scale Estimation of Structure from Motion based 3D Models using Laser Scalers.
CoRR
Klemen Istenic, Nuno Gracias, Aurélien Arnaubec, Javier Escartin, Rafael García
2019 J jnl
Mismatched image identification using histogram of loop closure error for feature-based optical mapping.
Int. J. Intell. Robotics Appl.
Armagan Elibol, Nak Young Chong, Hyunjung Shim, Jinwhan Kim, Nuno Gracias, Rafael García
2019 J jnl
Scale Accuracy Evaluation of Image-Based 3D Reconstruction Strategies Using Laser Photogrammetry.
Remote. Sens.
Klemen Istenic, Nuno Gracias, Aurélien Arnaubec, Javier Escartin, Rafael García
2017 J jnl
Fast Underwater Image Mosaicing through Submapping.
J. Intell. Robotic Syst.
Armagan Elibol, Jinwhan Kim, Nuno Gracias, Rafael García
2017 — conf
Immersive Touring for Marine Archaeology. Application of a New Compact Omnidirectional Camera to Mapping the Gnalić shipwreck with an AUV.
ROBOT (1)
Josep Bosch, Nuno Gracias, Pere Ridao, David Ribas, Klemen Istenic, Rafael García, Irena Radic Rossi
2016 J jnl
Autonomous Underwater Navigation and Optical Mapping in Unknown Natural Environments.
Sensors
Juan David Hernández, Klemen Istenic, Nuno Gracias, Narcís Palomeras, Ricard Campos, Eduard Vidal, Rafael García, Marc Carreras
2016 J jnl
Close-Range Tracking of Underwater Vehicles Using Light Beacons.
Sensors
Josep Bosch, Nuno Gracias, Pere Ridao, Klemen Istenic, David Ribas
2016 J jnl
Online underwater optical mapping for trajectories with gaps.
Intell. Serv. Robotics
Armagan Elibol, Hyunjung Shim, Seonghun Hong, Jinwhan Kim, Nuno Gracias, Rafael García
2016 J jnl
Underwater Multi-Vehicle Trajectory Alignment and Mapping Using Acoustic and Optical Constraints.
Sensors
Ricard Campos, Nuno Gracias, Pere Ridao
2015 — conf
Autonomous Seabed Inspection for Environmental Monitoring.
ROBOT (2)
Juan David Hernández, Klemen Istenic, Nuno Gracias, Rafael García, Pere Ridao, Marc Carreras
2015 C conf
Geostatistics for Context-Aware Image Classification.
ICVS
Felipe Codevilla, Silvia S. C. Botelho, Nelson Duarte Filho, Samuel Purkis, A. S. M. Shihavuddin, Rafael García, Nuno Gracias
2015 J jnl
Omnidirectional Underwater Camera Design and Calibration.
Sensors
Josep Bosch, Nuno Gracias, Pere Ridao, David Ribas
2014 J jnl
Efficient image mosaicing for multi-robot visual underwater mapping.
Pattern Recognit. Lett.
Armagan Elibol, Jinwhan Kim, Nuno Gracias, Rafael García
2014 — conf
Towards automatic identification of mismatched image pairs through loop constraints.
Intelligent Robots and Computer Vision: Algorithms and Techniques
Armagan Elibol, Jinwhan Kim, Nuno Gracias, Rafael García
2013 — book
Efficient Topology Estimation for Large Scale Optical Mapping.
Armagan Elibol, Nuno Gracias, Rafael García
2013 J jnl
Fast topology estimation for image mosaicing using adaptive information thresholding.
Robotics Auton. Syst.
Armagan Elibol, Nuno Gracias, Rafael García
2013 J jnl
Image-Based Coral Reef Classification and Thematic Mapping.
Remote. Sens.
A. S. M. Shihavuddin, Nuno Gracias, Rafael García, Arthur C. R. Gleason, Brooke Gintert
2012 — conf
Efficient image mosaicing for optical underwater mapping.
SIU
Armagan Elibol, Nuno Gracias, Rafael García
2012 — conf
Online Sunflicker Removal using Dynamic Texture Prediction.
VISAPP (1)
A. S. M. Shihavuddin, Nuno Gracias, Rafael García
2012 C conf
Project-based learning as a motivating tool to teach computer vision.
EDUCON
Rafael García, Nuno Gracias
2012 J jnl
Reconfigurable AUV for intervention missions: a case study on underwater object recovery.
Intell. Serv. Robotics
Mario Prats, David Ribas, Narcís Palomeras, Juan Carlos García, Volker Nannen, Stephan Wirth, J. Javier Fernandez, Joan P. Beltrán, Ricard Campos, Pere Ridao, Pedro J. Sanz, Gabriel Oliver, Marc Carreras, Nuno Gracias, Raúl Marín, Alberto Ortiz
2010 J jnl
Augmented state-extended Kalman filter combined framework for topology estimation in large-area underwater mapping.
J. Field Robotics
Armagan Elibol, Nuno Gracias, Rafael García
2009 J jnl
Efficient three-dimensional scene modeling and mosaicing.
J. Field Robotics
Tudor Nicosevici, Nuno Gracias, Shahriar Negahdaripour, Rafael García
2009 J jnl
Fast image blending using watersheds and graph cuts.
Image Vis. Comput.
Nuno Gracias, Mohammad H. Mahoor, Shahriar Negahdaripour, Arthur Gleason
2009 Misc conf
Match Selection in Batch Mosaicing Using Mutual Information.
IbPRIA
Armagan Elibol, Nuno Gracias, Rafael García
2008 — conf
A New Global Alignment Method for Feature Based Image Mosaicing.
ISVC (2)
Armagan Elibol, Rafael García, O. Delaunoy, Nuno Gracias
2006 A conf
Fast Image Blending using Watersheds and Graph Cuts.
BMVC
Nuno Gracias, Arthur Gleason, Shahriar Negahdaripour, Mohammad H. Mahoor
2001 J jnl
Trajectory reconstruction with uncertainty estimation using mosaic registration.
Robotics Auton. Syst.
Nuno Gracias, José Santos-Victor
2000 J jnl
Underwater Video Mosaics as Visual Navigation Maps.
Comput. Vis. Image Underst.
Nuno Gracias, José Santos-Victor