no code implementations • 5 Dec 2024 • Marco Garosi, Riccardo Tedoldi, Davide Boscaini, Massimiliano Mancini, Nicu Sebe, Fabio Poiesi
Supervised 3D part segmentation models are tailored for a fixed set of objects and parts, limiting their transferability to open-set, real-world scenarios.
no code implementations • 29 Nov 2024 • Guofeng Mei, Wei Lin, Luigi Riz, Yujiao Wu, Fabio Poiesi, Yiming Wang
Enabling Large Language Models (LLMs) to understand the 3D physical world is an emerging yet challenging research direction.
no code implementations • 25 Nov 2024 • Jaime Corsetti, Francesco Giuliari, Alice Fasoli, Davide Boscaini, Fabio Poiesi
Fun3DU uses a language model to parse the task description through Chain-of-Thought reasoning in order to identify the object of interest.
no code implementations • 23 Sep 2024 • Anil Osman Tur, Alessandro Conti, Cigdem Beyan, Davide Boscaini, Roberto Larcher, Stefano Messelodi, Fabio Poiesi, Elisa Ricci
Secondly, we benchmark the zero-shot object classification performance of state-of-the-art vision-language models (VLMs) on the proposed MIMEX dataset.
no code implementations • 20 Aug 2024 • Guofeng Mei, Luigi Riz, Yiming Wang, Fabio Poiesi
We evaluate our method using ScanNet200 and Replica, outperforming existing methods in both vocabulary-free and open-vocabulary settings.
no code implementations • 22 Jul 2024 • Matteo Bortolon, Theodore Tsesmelis, Stuart James, Fabio Poiesi, Alessio Del Bue
Each Ellicell ray is associated with the rendering parameters of each ellipsoid, which in turn is used to obtain the best bindings between the target image pixels and the cast rays.
no code implementations • 24 Jun 2024 • Jaime Corsetti, Davide Boscaini, Francesco Giuliari, Changjae Oh, Andrea Cavallaro, Fabio Poiesi
We use the textual prompt to identify the unseen object in the scenes and then obtain high-resolution multi-scale features.
no code implementations • 13 May 2024 • Luigi Riz, Sergio Povoli, Andrea Caraffa, Davide Boscaini, Mohamed Lamine Mekhalfi, Paul Chippendale, Marjut Turtiainen, Birgitta Partanen, Laura Smith Ballester, Francisco Blanes Noguera, Alessio Franchi, Elisa Castelli, Giacomo Piccinini, Luca Marchesotti, Micael Santos Couceiro, Fabio Poiesi
Berry picking has long-standing traditions in Finland, yet it is challenging and can potentially be dangerous.
1 code implementation • 25 Apr 2024 • Xiang He, Weiye Song, Yiming Wang, Fabio Poiesi, Ji Yi, Manishi Desai, Quanqing Xu, Kongzheng Yang, Yi Wan
Automatic retinal layer segmentation with medical images, such as optical coherence tomography (OCT) images, serves as an important tool for diagnosing ophthalmic diseases.
no code implementations • 19 Mar 2024 • Matteo Bortolon, Theodore Tsesmelis, Stuart James, Fabio Poiesi, Alessio Del Bue
We introduce IFFNeRF to estimate the six degrees-of-freedom (6DoF) camera pose of a given image, building on the Neural Radiance Fields (NeRF) formulation.
no code implementations • 6 Dec 2023 • Luigi Riz, Cristiano Saltori, Yiming Wang, Elisa Ricci, Fabio Poiesi
Firstly, it introduces the novel task of NCD for point cloud semantic segmentation.
no code implementations • 5 Dec 2023 • Weijie Wang, Wenqi Ren, Guofeng Mei, Bin Ren, Xiaoshui Huang, Fabio Poiesi, Nicu Sebe, Bruno Lepri
To address this, we construct scene graphs to capture spatial relationships among objects and apply a graph matching algorithm to these graphs to accurately identify matched objects.
1 code implementation • CVPR 2024 • Guofeng Mei, Luigi Riz, Yiming Wang, Fabio Poiesi
Zero-shot 3D point cloud understanding can be achieved via 2D Vision-Language Models (VLMs).
no code implementations • CVPR 2024 • Jaime Corsetti, Davide Boscaini, Changjae Oh, Andrea Cavallaro, Fabio Poiesi
We introduce the new setting of open-vocabulary object 6D pose estimation, in which a textual prompt is used to specify the object of interest.
no code implementations • 1 Dec 2023 • Andrea Caraffa, Davide Boscaini, Amir Hamza, Fabio Poiesi
We also introduce a novel algorithm to solve ambiguous cases due to geometrically symmetric objects that is based on visual features.
1 code implementation • 4 Oct 2023 • Luca Zanella, Benedetta Liberatori, Willi Menapace, Fabio Poiesi, Yiming Wang, Elisa Ricci
We tackle the complex problem of detecting and recognising anomalies in surveillance videos at the frame level, utilising only video-level supervision.
1 code implementation • 29 Aug 2023 • Mohamed L. Mekhalfi, Davide Boscaini, Fabio Poiesi
Unsupervised domain adaptation (UDA) plays a crucial role in object detection when adapting a source-trained detector to a target domain without annotated data.
1 code implementation • 28 Aug 2023 • Cristiano Saltori, Fabio Galasso, Giuseppe Fiameni, Nicu Sebe, Fabio Poiesi, Elisa Ricci
In this study, we introduce compositional semantic mixing for point cloud domain adaptation, representing the first unsupervised domain adaptation technique for point cloud segmentation based on semantic and geometric sample mixing.
no code implementations • 14 Aug 2023 • Runyu Jiao, Yi Wan, Fabio Poiesi, Yiming Wang
The increasing popularity of compact and inexpensive cameras, e. g.~dash cameras, body cameras, and cameras equipped on robots, has sparked a growing interest in detecting anomalies within dynamic scenes recorded by moving cameras.
1 code implementation • 28 Jul 2023 • Youjie Zhou, Guofeng Mei, Yiming Wang, Fabio Poiesi, Yi Wan
This paper presents an investigation into the estimation of optical and scene flow using RGBD information in scenarios where the RGB modality is affected by noise or captured in dark environments.
1 code implementation • 28 Jul 2023 • Jaime Corsetti, Davide Boscaini, Fabio Poiesi
Recent works on 6D object pose estimation focus on learning keypoint correspondences between images and object models, and then determine the object pose through RANSAC-based algorithms or by directly regressing the pose with end-to-end optimisations.
1 code implementation • 28 Jul 2023 • Davide Boscaini, Fabio Poiesi
The recent trend in deep learning methods for 3D point cloud understanding is to propose increasingly sophisticated architectures either to better capture 3D geometries or by introducing possibly undesired inductive biases.
1 code implementation • 11 Apr 2023 • Luigi Riz, Andrea Caraffa, Matteo Bortolon, Mohamed Lamine Mekhalfi, Davide Boscaini, André Moura, José Antunes, André Dias, Hugo Silva, Andreas Leonidou, Christos Constantinides, Christos Keleshis, Dante Abate, Fabio Poiesi
MONET is different from previous thermal drone datasets because it features multimodal data, including rural scenes captured with thermal cameras containing both person and vehicle targets, along with trajectory information and metadata.
1 code implementation • CVPR 2023 • Luigi Riz, Cristiano Saltori, Elisa Ricci, Fabio Poiesi
Firstly, we address the new problem of NCD for point cloud semantic segmentation.
no code implementations • 16 Dec 2022 • Juan C. SanMiguel, Jorge Muñoz, Fabio Poiesi
How would you fairly evaluate two multi-object tracking algorithms (i. e. trackers), each one employing a different object detector?
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.
1 code implementation • 17 Oct 2022 • Guofeng Mei, Fabio Poiesi, Cristiano Saltori, Jian Zhang, Elisa Ricci, Nicu Sebe
Probabilistic 3D point cloud registration methods have shown competitive performance in overcoming noise, outliers, and density variations.
1 code implementation • 9 Oct 2022 • Matteo Bortolon, Alessio Del Bue, Fabio Poiesi
A well-known limitation of NeRF methods is their reliance on data: the fewer the viewpoints, the higher the likelihood of overfitting.
1 code implementation • 6 Oct 2022 • Guofeng Mei, Cristiano Saltori, Fabio Poiesi, Jian Zhang, Elisa Ricci, Nicu Sebe, Qiang Wu
Unsupervised learning on 3D point clouds has undergone a rapid evolution, especially thanks to data augmentation-based contrastive methods.
2 code implementations • 20 Jul 2022 • Cristiano Saltori, Evgeny Krivosheev, Stéphane Lathuilière, Nicu Sebe, Fabio Galasso, Giuseppe Fiameni, Elisa Ricci, Fabio Poiesi
Our experiments show the effectiveness of our segmentation approach on thousands of real-world point clouds.
2 code implementations • 20 Jul 2022 • Cristiano Saltori, Fabio Galasso, Giuseppe Fiameni, Nicu Sebe, Elisa Ricci, Fabio Poiesi
We propose a new approach of sample mixing for point cloud UDA, namely Compositional Semantic Mix (CoSMix), the first UDA approach for point cloud segmentation based on sample mixing.
1 code implementation • 31 Oct 2021 • Youjie Zhou, Yiming Wang, Fabio Poiesi, Qi Qin, Yi Wan
We compare our L3D-based loop closure approach with recent approaches on LiDAR data and achieve state-of-the-art loop closure detection accuracy.
1 code implementation • 21 May 2021 • Fabio Poiesi, Davide Boscaini
An effective 3D descriptor should be invariant to different geometric transformations, such as scale and rotation, robust to occlusions and clutter, and capable of generalising to different application domains.
Ranked #1 on Point Cloud Registration on ETH (trained on 3DMatch)
2 code implementations • 1 Sep 2020 • Fabio Poiesi, Davide Boscaini
We present a simple but yet effective method for learning distinctive 3D local deep descriptors (DIPs) that can be used to register point clouds without requiring an initial alignment.
Ranked #2 on Point Cloud Registration on ETH (trained on 3DMatch)
1 code implementation • 6 Jul 2020 • Mohamed Ilyes Lakhal, Davide Boscaini, Fabio Poiesi, Oswald Lanz, Andrea Cavallaro
We first estimate the 3D mesh of the target body and transfer the rough textures from the 2D images to the mesh.
no code implementations • 7 May 2020 • Matteo Bortolon, Paul Chippendale, Stefano Messelodi, Fabio Poiesi
We have designed an edge computing unit that supervises the relaying of timing triggers to and from multiple mobiles, in addition to synchronising frame harvesting.
no code implementations • 2 Feb 2020 • Davide Boscaini, Fabio Poiesi
The semantic segmentation of 3D shapes with a high-density of vertices could be impractical due to large memory requirements.