Valdir Grassi Jr.

57 papers A* 4B 4Journal 24Unranked 25

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Uniform Loss Versus Specialized Optimization: A Comparative Analysis in Multi-Task Learning. IEEE Access Gabriel S. Gama, Valdir Grassi Jr.
2025	—	`conf`	A Comparative Analysis of Class Imbalance-Aware Loss Functions for Semantic Segmentation of Off-road Scenarios for Autonomous Vehicles. ICAR Dennis Lemke Green, Iago Pachêco Gomes, Luis Alberto Rosero, Valdir Grassi Jr., Denis Fernando Wolf
2025	—	`conf`	EPiCS - Expert-based Point Cloud Segmentation of Off-Road LiDAR Point Clouds Using Graph Neural Networks. ICAR Wellington Matos Amaral, Iago Pachêco Gomes, Luis Alberto Rosero, Valdir Grassi Jr., Denis Fernando Wolf
2025	J	`jnl`	Uniform Loss vs. Specialized Optimization: A Comparative Analysis in Multi-Task Learning. CoRR Gabriel S. Gama, Valdir Grassi Jr.
2024	J	`jnl`	Maximum Entropy Inverse Reinforcement Learning Using Monte Carlo Tree Search for Autonomous Driving. IEEE Trans. Intell. Transp. Syst. Júnior Anderson Rodrigues da Silva, Valdir Grassi Jr., Denis Fernando Wolf
2024	J	`jnl`	Second-Order Position-Based Visual Servoing of a Robot Manipulator. IEEE Robotics Autom. Lett. Eduardo Godinho Ribeiro, Raul de Queiroz Mendes, Marco H. Terra, Valdir Grassi Jr.
2023	J	`jnl`	Autonomous driving of trucks in off-road environment. CoRR Kenny A. Q. Caldas, Filipe Marques Barbosa, Júnior A. R. Silva, Tiago C. dos Santos, Iago Pachêco Gomes, Luis Alberto Rosero, Denis F. Wolf, Valdir Grassi Jr.
2023	J	`jnl`	DPO: Direct Planar Odometry with Stereo Camera. Sensors Filipe C. A. Lins, Nícolas dos Santos Rosa, Valdir Grassi Jr., Adelardo A. D. Medeiros, Pablo Javier Alsina
2023	—	`conf`	Learning to Estimate Multivariate Uncertainty in Deep Pedestrian Trajectory Prediction. LARS/SBR/WRE Augusto Ribeiro Castro, Valdir Grassi Jr.
2022	—	`conf`	Deep Depth Completion of Low-cost Sensor Indoor RGB-D using Euclidean Distance-based Weighted Loss and Edge-aware Refinement. VISIGRAPP (4: VISAPP) Augusto Ribeiro Castro, Valdir Grassi Jr., Moacir A. Ponti
2022	B	`conf`	Dynamic Parameter Identification of a 7-DoF Lightweight Robot Manipulator Using Probabilistic Differential Optimization. SMC Eduardo Godinho Ribeiro, Raul de Queiroz Mendes, Marco H. Terra, Valdir Grassi Jr.
2022	J	`jnl`	Leveraging convergence behavior to balance conflicting tasks in multi-task learning. CoRR Angelica Tiemi Mizuno Nakamura, Denis Fernando Wolf, Valdir Grassi Jr.
2022	J	`jnl`	Leveraging convergence behavior to balance conflicting tasks in multi-task learning. Neurocomputing Angelica Tiemi Mizuno Nakamura, Valdir Grassi Jr., Denis Fernando Wolf
2022	J	`jnl`	Robust path-following control design of heavy vehicles based on multiobjective evolutionary optimization. Expert Syst. Appl. Gustavo Alves Prudencio de Morais, Lucas Barbosa Marcos, Filipe Marques Barbosa, Bruno Henrique Groenner Barbosa, Marco Henrique Terra, Valdir Grassi Jr.
2022	—	`conf`	Semantic SuperPoint: A Deep Semantic Descriptor. LARS/SBR/WRE Gabriel Soares Gama, Nicolas dos Santos Rosa, Valdir Grassi Jr.
2022	J	`jnl`	Semantic SuperPoint: A Deep Semantic Descriptor. CoRR Gabriel S. Gama, Nícolas dos Santos Rosa, Valdir Grassi Jr.
2022	J	`jnl`	Sparse Road Network Model for Autonomous Navigation Using Clothoids. IEEE Trans. Intell. Transp. Syst. Júnior Anderson Rodrigues da Silva, Iago Pachêco Gomes, Denis Fernando Wolf, Valdir Grassi Jr.
2021	—	`conf`	Addressing Lane Keeping and Intersections using Deep Conditional Reinforcement Learning. LARS/SBR/WRE Vítor A. S. Silva, Valdir Grassi Jr.
2021	J	`jnl`	An effective combination of loss gradients for multi-task learning applied on instance segmentation and depth estimation. Eng. Appl. Artif. Intell. Angelica Tiemi Mizuno Nakamura, Valdir Grassi Jr., Denis Fernando Wolf
2021	—	`conf`	Bayesian Optimization for Efficient Tuning of Visual Servo and Computed Torque Controllers in a Reinforcement Learning Scenario. ICAR Eduardo Godinho Ribeiro, Raul de Queiroz Mendes, Marco H. Terra, Valdir Grassi Jr.
2021	—	`conf`	Decision Making for Autonomous Vehicles at Signalized Intersection under Uncertain Traffic Signal Phase and Timing Information. ICAR Júnior Anderson Rodrigues da Silva, Valdir Grassi Jr., Denis Fernando Wolf
2021	J	`jnl`	On deep learning techniques to boost monocular depth estimation for autonomous navigation. Robotics Auton. Syst. Raul de Queiroz Mendes, Eduardo Godinho Ribeiro, Nicolas dos Santos Rosa, Valdir Grassi Jr.
2021	—	`conf`	Pedestrian Trajectory Prediction with Pose Representation and Latent Space Variables. LARS/SBR/WRE Anderson Carlos Dos Santos, Valdir Grassi Jr.
2021	J	`jnl`	Real-time deep learning approach to visual servo control and grasp detection for autonomous robotic manipulation. Robotics Auton. Syst. Eduardo Godinho Ribeiro, Raul de Queiroz Mendes, Valdir Grassi Jr.
2020	—	`conf`	A Survey on the Aspects of Human-Robot Interaction in Autonomous Vehicles. LARS/SBR/WRE Nícolas dos Santos Rosa, Roseli Aparecida Francelin Romero, Valdir Grassi Jr.
2020	—	`conf`	Depth Completion with Morphological Operations: An Intermediate Approach to Enhance Monocular Depth Estimation. LARS/SBR/WRE Raul de Queiroz Mendes, Eduardo Godinho Ribeiro, Nicolas dos Santos Rosa, Valdir Grassi Jr.
2020	B	`conf`	Effective Deep Reinforcement Learning Setups for Multiple Goals on Visual Navigation. IJCNN Luiz Ricardo Takeshi Horita, Denis Fernando Wolf, Valdir Grassi Jr.
2020	J	`jnl`	On Deep Learning Techniques to Boost Monocular Depth Estimation for Autonomous Navigation. CoRR Raul de Queiroz Mendes, Eduardo Godinho Ribeiro, Nicolas dos Santos Rosa, Valdir Grassi Jr.
2020	J	`jnl`	Real-Time Deep Learning Approach to Visual Servo Control and Grasp Detection for Autonomous Robotic Manipulation. CoRR Eduardo Godinho Ribeiro, Raul de Queiroz Mendes, Valdir Grassi Jr.
2020	J	`jnl`	Robust path-following control design of heavy vehicles based on multiobjective evolutionary optimization. CoRR Gustavo Alves Prudencio de Morais, Lucas Barbosa Marcos, Filipe Marques Barbosa, Bruno Henrique Groenner Barbosa, Marco Henrique Terra, Valdir Grassi Jr.
2019	—	`conf`	Continuous Deep Maximum Entropy Inverse Reinforcement Learning using online POMDP. ICAR Júnior A. R. Silva, Valdir Grassi Jr., Denis Fernando Wolf
2019	—	`conf`	Eco-cruise NMPC Control for Autonomous Vehicles. ICAR Kenny A. Q. Caldas, Valdir Grassi Jr.
2019	—	`conf`	Fast Convolutional Neural Network for Real-Time Robotic Grasp Detection. ICAR Eduardo Godinho Ribeiro, Valdir Grassi Jr.
2019	—	`conf`	Sparse-to-Continuous: Enhancing Monocular Depth Estimation using Occupancy Maps. ICAR Nícolas dos Santos Rosa, Vitor Guizilini, Valdir Grassi Jr.
2019	—	`conf`	Trajectory Planning for a Dual-Arm Planar Free-Floating Manipulator using RRTControl. ICAR Wenderson Gustavo Serrantola, Valdir Grassi Jr.
2018	A*	`conf`	Clothoid-Based Global Path Planning for Autonomous Vehicles in Urban Scenarios. ICRA Júnior A. R. Silva, Valdir Grassi Jr.
2018	A*	`conf`	Learning to Race Through Coordinate Descent Bayesian Optimisation. ICRA Rafael Oliveira, Fernando H. M. Rocha, Lionel Ott, Vitor Guizilini, Fabio Ramos, Valdir Grassi Jr.
2018	J	`jnl`	Learning to Race through Coordinate Descent Bayesian Optimisation. CoRR Rafael Oliveira, Fernando H. M. Rocha, Lionel Ott, Vitor Guizilini, Fabio Ramos, Valdir Grassi Jr.
2018	J	`jnl`	Robust Discrete-Time Markovian Control for Wheeled Mobile Robot Formation: A Fault Tolerant Approach. J. Intell. Robotic Syst. Mauricio E. Nakai, Roberto S. Inoue, Marco H. Terra, Valdir Grassi Jr.
2018	J	`jnl`	Robust path-following control for articulated heavy-duty vehicles. CoRR Filipe Marques Barbosa, Lucas Barbosa Marcos, Maíra Martins da Silva, Marco Henrique Terra, Valdir Grassi Jr.
2018	J	`jnl`	Sparse-to-Continuous: Enhancing Monocular Depth Estimation using Occupancy Maps. CoRR Nícolas dos Santos Rosa, Vitor Guizilini, Valdir Grassi Jr.
2017	—	`conf`	Employing a fully convolutional neural network for road marking detection. LARS/SBR Luiz Ricardo Takeshi Horita, Valdir Grassi Jr.
2017	—	`conf`	Obstacle avoidance using stereo-based generic obstacle tracking. LARS/SBR Daniela A. Ridel, Patrick Yuri Shinzato, Ana Rita Pereira, Valdir Grassi Jr., Denis F. Wolf
2017	—	`conf`	Path planning at roundabouts using piecewise linear continuous curvature curves. LARS/SBR Júnior A. R. Silva, Valdir Grassi Jr.
2017	—	`conf`	Robust recursive lateral control for autonomous vehicles subject to parametric uncertainties. LARS/SBR Filipe Marques Barbosa, Lucas Barbosa Marcos, Jose Nuno Bueno, Valdir Grassi Jr., Marco Henrique Terra
2016	—	`conf`	LQR and H-Infinity Controls of a Free-Floating Space Manipulator with Two Arms. LARS/SBR José Nuno A. D. Bueno, Wenderson Gustavo Serrantola, Rayza Araujo Bezerra, Valdir Grassi Jr.
2016	—	`conf`	Model Predictive Control of a Heavy-Duty Truck Based on Gaussian Process. LARS/SBR Fernando Henrique Morais Da Rocha, Valdir Grassi Jr., Vitor Campanholo Guizilini, Fabio Ramos
2016	—	`conf`	Wheeled Mobile Robot Formation Using Recursive Robust Regulator with Discrete-Time Markov Linear System. LARS/SBR Mauricio E. Nakai, Roberto S. Inoue, Marco H. Terra, Valdir Grassi Jr.
2015	—	`conf`	Autonomous Path Planning of Free-Floating Manipulators Using RRT-Based Algorithms. LARS/SBR João R. S. Benevides, Valdir Grassi Jr.
2015	—	`conf`	Lateral Control Based on Clothoids Curves for Heavy Category Ground Vehicles. LARS/SBR Solander P. L. Agostinho, Marco H. Terra, Valdir Grassi Jr., Carlos Massera Filho, Denis F. Wolf
2014	J	`jnl`	CaRINA Intelligent Robotic Car: Architectural design and applications. J. Syst. Archit. Leandro Carlos Fernandes, Jefferson R. Souza, Gustavo Pessin, Patrick Yuri Shinzato, Daniel O. Sales, Caio César Teodoro Mendes, Marcos Prado, Rafael Luiz Klaser, André Chaves Magalhães, Alberto Yukinobu Hata, Daniel F. Pigatto, Kalinka Regina Lucas Jaquie Castelo Branco, Valdir Grassi Jr., Fernando Santos Osório, Denis F. Wolf
2014	B	`conf`	Longitudinal and lateral control for autonomous ground vehicles. Intelligent Vehicles Symposium Carlos Massera Filho, Denis F. Wolf, Valdir Grassi Jr., Fernando Santos Osório
2012	J	`jnl`	Development of an Autonomous Robot for Gas Storage Spheres Inspection. J. Intell. Robotic Syst. Jun Okamoto Jr., Valdir Grassi Jr., Paulo Faria Santos Amaral, Benedito Geraldo Miglio Pinto, Daniel R. Pipa, Gustavo Pinto Pires, Marcus Vinicius Maciel Martins
2012	B	`conf`	Fast visual road recognition and horizon detection using multiple artificial neural networks. Intelligent Vehicles Symposium Patrick Yuri Shinzato, Valdir Grassi Jr., Fernando Santos Osório, Denis F. Wolf
2007	J	`jnl`	Integrating Human Inputs with Autonomous Behaviors on an Intelligent Wheelchair Platform. IEEE Intell. Syst. Sarangi P. Parikh, Valdir Grassi Jr., Vijay Kumar, Jun Okamoto Jr.
2005	A*	`conf`	Usability Study of a Control Framework for an Intelligent Wheelchair. ICRA Sarangi P. Parikh, Valdir Grassi Jr., Vijay Kumar, Jun Okamoto Jr.
2004	A*	`conf`	Incorporating User Inputs in Motion Planning for a Smart Wheelchair. ICRA Sarangi P. Parikh, Valdir Grassi Jr., Vijay Kumar, Jun Okamoto Jr.