no code implementations • 1 Sep 2024 • Andrea Maracani, Lorenzo Rosasco, Lorenzo Natale
Deep Neural Networks have significantly impacted many computer vision tasks.
no code implementations • 7 Jun 2024 • Francesco Taioli, Stefano Rosa, Alberto Castellini, Lorenzo Natale, Alessio Del Bue, Alessandro Farinelli, Marco Cristani, Yiming Wang
We evaluate the proposed I2EDL on a dataset of instructions containing errors, and further devise a novel metric, the Success weighted by Interaction Number (SIN), to reflect both the navigation performance and the interaction effectiveness.
no code implementations • 14 May 2024 • Carmela Calabrese, Stefano Berti, Giulia Pasquale, Lorenzo Natale
We validate our method on the Charades dataset that includes a majority of object-based actions, demonstrating that -- despite its simplicity -- our method performs favorably with respect to existing methods on the complete dataset, and promising performance when tested on unseen actions.
Action Recognition In Videos Multi-Label Image Classification +1
no code implementations • 15 Mar 2024 • Francesco Taioli, Stefano Rosa, Alberto Castellini, Lorenzo Natale, Alessio Del Bue, Alessandro Farinelli, Marco Cristani, Yiming Wang
Moreover, we formally define the task of Instruction Error Detection and Localization, and establish an evaluation protocol on top of our benchmark dataset.
no code implementations • 25 Feb 2024 • Andrea Maracani, Raffaello Camoriano, Elisa Maiettini, Davide Talon, Lorenzo Rosasco, Lorenzo Natale
This study provides a comprehensive benchmark framework for Source-Free Unsupervised Domain Adaptation (SF-UDA) in image classification, aiming to achieve a rigorous empirical understanding of the complex relationships between multiple key design factors in SF-UDA methods.
1 code implementation • CVPR 2024 • Andrea Rosasco, Stefano Berti, Giulia Pasquale, Damiano Malafronte, Shogo Sato, Hiroyuki Segawa, Tetsugo Inada, Lorenzo Natale
We identify the ability to learn new meanings and their compositionality with known ones as two key properties of a personalized system.
1 code implementation • 19 Dec 2023 • Federico Ceola, Lorenzo Natale, Niko Sünderhauf, Krishan Rana
Instructing a robot to complete an everyday task within our homes has been a long-standing challenge for robotics.
1 code implementation • 2 Nov 2023 • Gabriele M. Caddeo, Andrea Maracani, Paolo D. Alfano, Nicola A. Piga, Lorenzo Rosasco, Lorenzo Natale
Our evaluation is conducted on a dataset of tactile images obtained from a set of ten 3D printed YCB objects.
no code implementations • 21 Feb 2023 • Gianluca Scarpellini, Stefano Rosa, Pietro Morerio, Lorenzo Natale, Alessio Del Bue
Object detectors often experience a drop in performance when new environmental conditions are insufficiently represented in the training data.
no code implementations • 10 Feb 2023 • Andrea Maracani, Raffaello Camoriano, Elisa Maiettini, Davide Talon, Lorenzo Rosasco, Lorenzo Natale
Fine-tuning and Domain Adaptation emerged as effective strategies for efficiently transferring deep learning models to new target tasks.
1 code implementation • 7 Feb 2023 • Gianluca Scarpellini, Stefano Rosa, Pietro Morerio, Lorenzo Natale, Alessio Del Bue
When an object detector is deployed in a novel setting it often experiences a drop in performance.
1 code implementation • 31 Jan 2023 • Gabriele M. Caddeo, Nicola A. Piga, Fabrizio Bottarel, Lorenzo Natale
The results demonstrate that our approach estimates object poses that are compatible with actual object-sensor contacts in $87. 5\%$ of cases while reaching an average positional error in the order of $2$ centimeters.
1 code implementation • 9 Sep 2022 • Andrea Rosasco, Stefano Berti, Fabrizio Bottarel, Michele Colledanchise, Lorenzo Natale
Many robotic tasks involving some form of 3D visual perception greatly benefit from a complete knowledge of the working environment.
1 code implementation • 27 Jun 2022 • Federico Ceola, Elisa Maiettini, Giulia Pasquale, Giacomo Meanti, Lorenzo Rosasco, Lorenzo Natale
In this work, we focus on the instance segmentation task and provide a comprehensive study of different techniques that allow adapting an object segmentation model in presence of novel objects or different domains.
1 code implementation • 18 Mar 2022 • Federico Vasile, Elisa Maiettini, Giulia Pasquale, Astrid Florio, Nicolò Boccardo, Lorenzo Natale
In order to overcome the lack of data of this kind and reduce the need for tedious data collection sessions for training the system, we devise a pipeline for rendering synthetic visual sequences of hand trajectories.
2 code implementations • 6 Nov 2021 • Nicola A. Piga, Yuriy Onyshchuk, Giulia Pasquale, Ugo Pattacini, Lorenzo Natale
In this work, we introduce ROFT, a Kalman filtering approach for 6D object pose and velocity tracking from a stream of RGB-D images.
no code implementations • 2 Aug 2021 • Evgenii Safronov, Nicola Piga, Michele Colledanchise, Lorenzo Natale
We also describe a complete pipeline from a real object's scans to the viewpoint selection and classification.
no code implementations • 28 Dec 2020 • Elisa Maiettini, Andrea Maracani, Raffaello Camoriano, Giulia Pasquale, Vadim Tikhanoff, Lorenzo Rosasco, Lorenzo Natale
We show that the robot can improve adaptation to novel domains, either by interacting with a human teacher (Active Learning) or with an autonomous supervision (Semi-supervised Learning).
1 code implementation • 25 Nov 2020 • Federico Ceola, Elisa Maiettini, Giulia Pasquale, Lorenzo Rosasco, Lorenzo Natale
This shortens training time while maintaining state-of-the-art performance.
1 code implementation • 25 Nov 2020 • Federico Ceola, Elisa Maiettini, Giulia Pasquale, Lorenzo Rosasco, Lorenzo Natale
Our approach is validated on the YCB-Video dataset which is widely adopted in the computer vision and robotics community, demonstrating that we can achieve and even surpass performance of the state-of-the-art, with a significant reduction (${\sim}6\times$) of the training time.
no code implementations • 21 Aug 2020 • Evgenii Safronov, Michele Colledanchise, Lorenzo Natale
The performance of a task planner relies on the belief state representation.
1 code implementation • 12 Feb 2020 • Fabrizio Bottarel, Giulia Vezzani, Ugo Pattacini, Lorenzo Natale
In this paper, we present version 1. 0 of GRASPA, a benchmark to test effectiveness of grasping pipelines on physical robot setups.
Robotics
no code implementations • 27 May 2019 • Giulia Vezzani, Abhishek Gupta, Lorenzo Natale, Pieter Abbeel
In this work, we take a representation learning viewpoint on exploration, utilizing prior experience to learn effective latent representations, which can subsequently indicate which regions to explore.
no code implementations • 23 Mar 2018 • Elisa Maiettini, Giulia Pasquale, Lorenzo Rosasco, Lorenzo Natale
We address the size and imbalance of training data by exploiting the stochastic subsampling intrinsic into the method and a novel, fast, bootstrapping approach.
1 code implementation • 12 Oct 2017 • Claudio Fantacci, Giulia Vezzani, Ugo Pattacini, Vadim Tikhanoff, Lorenzo Natale
To precisely reach for an object with a humanoid robot, it is of central importance to have good knowledge of both end-effector, object pose and shape.
Robotics Systems and Control Computation
1 code implementation • 28 Sep 2017 • Giulia Pasquale, Carlo Ciliberto, Francesca Odone, Lorenzo Rosasco, Lorenzo Natale
We report on an extensive study of the benefits and limitations of current deep learning approaches to object recognition in robot vision scenarios, introducing a novel dataset used for our investigation.
no code implementations • 27 Jun 2017 • Valentina Vasco, Arren Glover, Elias Mueggler, Davide Scaramuzza, Lorenzo Natale, Chiara Bartolozzi
In this paper, we propose a method for segmenting the motion of an independently moving object for event-driven cameras.
no code implementations • 27 Jun 2017 • Massimo Regoli, Nawid Jamali, Giorgio Metta, Lorenzo Natale
The method is composed of a grasp stabilization controller and two exploratory behaviours to capture the shape and the softness of an object.
1 code implementation • 14 Mar 2017 • Claudio Fantacci, Ugo Pattacini, Vadim Tikhanoff, Lorenzo Natale
This paper addresses recursive markerless estimation of a robot's end-effector using visual observations from its cameras.
Robotics
no code implementations • 5 Oct 2016 • Nicolò Genesio, Tariq Abuhashim, Fabio Solari, Manuela Chessa, Lorenzo Natale
In recent years, the numbers of life-size humanoids as well as their mobile capabilities have steadily grown.
no code implementations • 18 Jul 2016 • Gabriella Panuccio, Marianna Semprini, Lorenzo Natale, Michela Chiappalone
In the era of intelligent biohybrid neurotechnologies for brain repair, new fanciful terms are appearing in the scientific dictionary to define what has so far been unimaginable.
1 code implementation • 17 May 2016 • Raffaello Camoriano, Giulia Pasquale, Carlo Ciliberto, Lorenzo Natale, Lorenzo Rosasco, Giorgio Metta
We consider object recognition in the context of lifelong learning, where a robotic agent learns to discriminate between a growing number of object classes as it accumulates experience about the environment.
no code implementations • 23 Sep 2015 • Giulia Pasquale, Tanis Mar, Carlo Ciliberto, Lorenzo Rosasco, Lorenzo Natale
The importance of depth perception in the interactions that humans have within their nearby space is a well established fact.
no code implementations • 13 Apr 2015 • Giulia Pasquale, Carlo Ciliberto, Francesca Odone, Lorenzo Rosasco, Lorenzo Natale
In this paper we investigate such possibility, while taking further steps in developing a computational vision system to be embedded on a robotic platform, the iCub humanoid robot.
no code implementations • 13 Nov 2014 • Alessandro Roncone, Ugo Pattacini, Giorgio Metta, Lorenzo Natale
In this work we propose a comprehensive framework for gaze stabilization in a humanoid robot.
no code implementations • 15 Jun 2013 • Sean Ryan Fanello, Carlo Ciliberto, Matteo Santoro, Lorenzo Natale, Giorgio Metta, Lorenzo Rosasco, Francesca Odone
In this paper we present and start analyzing the iCub World data-set, an object recognition data-set, we acquired using a Human-Robot Interaction (HRI) scheme and the iCub humanoid robot platform.