no code implementations • 16 Apr 2024 • João Luzio, Alexandre Bernardino, Plinio Moreno
To illustrate the benefits of using semantic information in scene exploration and visual search tasks, we compare its performance against traditional saliency-based models.
no code implementations • 8 Feb 2024 • Pedro Osório, Alexandre Bernardino, Ruben Martinez-Cantin, José Santos-Victor
Affordances are fundamental descriptors of relationships between actions, objects and effects.
no code implementations • 12 May 2023 • Min Hun Lee, Daniel P. Siewiorek, Asim Smailagic, Alexandre Bernardino, Sergi Bermúdez i Badia
In this paper, we present our work of iteratively engaging therapists and post-stroke survivors to design, develop, and evaluate a social robot exercise coaching system for personalized rehabilitation.
no code implementations • 24 Mar 2023 • Ashwin Prakash, Thejaswin S, Athira Nambiar, Alexandre Bernardino
Biometrics plays a significant role in vision-based surveillance applications.
no code implementations • 2 Jan 2023 • Seyed S. Mohammadi, Nuno F. Duarte, Dimitris Dimou, Yiming Wang, Matteo Taiana, Pietro Morerio, Atabak Dehban, Plinio Moreno, Alexandre Bernardino, Alessio Del Bue, Jose Santos-Victor
However, in practice, PCDs are often incomplete when objects are viewed from few and sparse viewpoints before the grasping action, leading to the generation of wrong or inaccurate grasp poses.
no code implementations • 24 Nov 2022 • Benjamin Kiefer, Matej Kristan, Janez Perš, Lojze Žust, Fabio Poiesi, Fabio Augusto de Alcantara Andrade, Alexandre Bernardino, Matthew Dawkins, Jenni Raitoharju, Yitong Quan, Adem Atmaca, Timon Höfer, Qiming Zhang, Yufei Xu, Jing Zhang, DaCheng Tao, Lars Sommer, Raphael Spraul, Hangyue Zhao, Hongpu Zhang, Yanyun Zhao, Jan Lukas Augustin, Eui-ik Jeon, Impyeong Lee, Luca Zedda, Andrea Loddo, Cecilia Di Ruberto, Sagar Verma, Siddharth Gupta, Shishir Muralidhara, Niharika Hegde, Daitao Xing, Nikolaos Evangeliou, Anthony Tzes, Vojtěch Bartl, Jakub Špaňhel, Adam Herout, Neelanjan Bhowmik, Toby P. Breckon, Shivanand Kundargi, Tejas Anvekar, Chaitra Desai, Ramesh Ashok Tabib, Uma Mudengudi, Arpita Vats, Yang song, Delong Liu, Yonglin Li, Shuman Li, Chenhao Tan, Long Lan, Vladimir Somers, Christophe De Vleeschouwer, Alexandre Alahi, Hsiang-Wei Huang, Cheng-Yen Yang, Jenq-Neng Hwang, Pyong-Kun Kim, Kwangju Kim, Kyoungoh Lee, Shuai Jiang, Haiwen Li, Zheng Ziqiang, Tuan-Anh Vu, Hai Nguyen-Truong, Sai-Kit Yeung, Zhuang Jia, Sophia Yang, Chih-Chung Hsu, Xiu-Yu Hou, Yu-An Jhang, Simon Yang, Mau-Tsuen Yang
The 1$^{\text{st}}$ Workshop on Maritime Computer Vision (MaCVi) 2023 focused on maritime computer vision for Unmanned Aerial Vehicles (UAV) and Unmanned Surface Vehicle (USV), and organized several subchallenges in this domain: (i) UAV-based Maritime Object Detection, (ii) UAV-based Maritime Object Tracking, (iii) USV-based Maritime Obstacle Segmentation and (iv) USV-based Maritime Obstacle Detection.
no code implementations • 24 Aug 2022 • Alexandre M. F. Dias, Luís Simões, Plinio Moreno, Alexandre Bernardino
Active perception and foveal vision are the foundations of the human visual system.
no code implementations • 16 Nov 2021 • Milad Niknejad, Alexandre Bernardino
Fire localization in images and videos is an important step for an autonomous system to combat fire incidents.
no code implementations • 4 Nov 2021 • Milad Niknejad, Alexandre Bernardino
The network is jointly trained for both segmentation and classification, leading to improvement in the performance of the single-task image segmentation methods, and the previous methods proposed for fire segmentation.
no code implementations • 15 Jun 2021 • Min Hun Lee, Daniel P. Siewiorek, Asim Smailagic, Alexandre Bernardino, Sergi Bermúdez i Badia
Artificial intelligence (AI) and robotic coaches promise the improved engagement of patients on rehabilitation exercises through social interaction.
1 code implementation • 17 Feb 2021 • Alberto Sabater, Laura Santos, Jose Santos-Victor, Alexandre Bernardino, Luis Montesano, Ana C. Murillo
We also develop a set of complementary steps that boost the action recognition performance in the most challenging scenarios.
Ranked #4 on One-Shot 3D Action Recognition on NTU RGB+D 120
no code implementations • 9 Feb 2021 • Alexandre Almeida, Pedro Vicente, Alexandre Bernardino
We fine-tuned the Mask-RCNN network for the specific task of segmenting the hand of the humanoid robot Vizzy.
no code implementations • 26 Jan 2021 • Gonçalo Cunha, Pedro Vicente, Alexandre Bernardino, Ricardo Ribeiro, Plínio Moreno
The results show cost-sensitive active learning has similar accuracy to the standard active learning approach, while reducing in about half the executed movement.
no code implementations • 13 Jul 2020 • Min Hun Lee, Daniel P. Siewiorek, Asim Smailagic, Alexandre Bernardino, Sergi Bermúdez i Badia
The research of a socially assistive robot has a potential to augment and assist physical therapy sessions for patients with neurological and musculoskeletal problems (e. g. stroke).
no code implementations • 27 Feb 2020 • Min Hun Lee, Daniel P. Siewiorek, Asim Smailagic, Alexandre Bernardino, Sergi Bermúdez i Badia
Rehabilitation assessment is critical to determine an adequate intervention for a patient.
no code implementations • 21 Jul 2019 • João Antunes, Pedro Abreu, Alexandre Bernardino, Asim Smailagic, Daniel Siewiorek
Our method, using fovea attention filtering and our generalized binary loss, achieves a relative video mAP improvement of 20% over the two-stream baseline in AVA, and is competitive with the state-of-the-art in the UCF101-24.
no code implementations • 26 Mar 2019 • João Antunes, Alexandre Bernardino, Asim Smailagic, Daniel Siewiorek
In this paper we propose an improved method for transfer learning that takes into account the balance between target and source data.
no code implementations • 13 Mar 2019 • Jaeseok Kim, Nino Cauli, Pedro Vicente, Bruno Damas, Alexandre Bernardino, José Santos-Victor, Filippo Cavallo
In this paper, a robot is taught to perform two different cleaning tasks over a table, using a learning from demonstration paradigm.
1 code implementation • 26 Feb 2019 • Giovanni Saponaro, Lorenzo Jamone, Alexandre Bernardino, Giampiero Salvi
It then uses this information to learn a mapping between its own actions and those performed by a human in a shared environment.
1 code implementation • 16 Jul 2018 • João Borrego, Atabak Dehban, Rui Figueiredo, Plinio Moreno, Alexandre Bernardino, José Santos-Victor
Recent advances in deep learning-based object detection techniques have revolutionized their applicability in several fields.
no code implementations • 9 Apr 2018 • Giovanni Saponaro, Pedro Vicente, Atabak Dehban, Lorenzo Jamone, Alexandre Bernardino, José Santos-Victor
One of the open challenges in designing robots that operate successfully in the unpredictable human environment is how to make them able to predict what actions they can perform on objects, and what their effects will be, i. e., the ability to perceive object affordances.
1 code implementation • 27 Nov 2017 • Giampiero Salvi, Luis Montesano, Alexandre Bernardino, José Santos-Victor
The model is based on an affordance network, i. e., a mapping between robot actions, robot perceptions, and the perceived effects of these actions upon objects.
no code implementations • 24 Nov 2017 • Giovanni Saponaro, Lorenzo Jamone, Alexandre Bernardino, Giampiero Salvi
A growing field in robotics and Artificial Intelligence (AI) research is human-robot collaboration, whose target is to enable effective teamwork between humans and robots.
no code implementations • 7 Mar 2016 • José Nogueira, Ruben Martinez-Cantin, Alexandre Bernardino, Lorenzo Jamone
We address the robot grasp optimization problem of unknown objects considering uncertainty in the input space.