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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. We present a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Fabio Poiesi , Davide Boscaini

Deep learning models for verification systems often fail to generalize to new users and new environments, even though they learn highly discriminative features. To address this problem, we propose a few-shot domain generalization framework…

Sound · Computer Science 2022-06-29 Seunghan Yang , Debasmit Das , Janghoon Cho , Hyoungwoo Park , Sungrack Yun

Deep learning vision systems are widely deployed across applications where reliability is critical. However, even today's best models can fail to recognize an object when its pose, lighting, or background varies. While existing benchmarks…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Badr Youbi Idrissi , Diane Bouchacourt , Randall Balestriero , Ivan Evtimov , Caner Hazirbas , Nicolas Ballas , Pascal Vincent , Michal Drozdzal , David Lopez-Paz , Mark Ibrahim

Point cloud registration has been one of the basic steps of point cloud processing, which has a lot of applications in remote sensing and robotics. In this report, we summarized the basic workflow of target-less point cloud…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Yue Pan

We propose a systematic approach for registering cross-source point clouds. The compelling need for cross-source point cloud registration is motivated by the rapid development of a variety of 3D sensing techniques, but many existing…

Computer Vision and Pattern Recognition · Computer Science 2017-06-07 Xiaoshui Huang , Jian Zhang , Lixin Fan , Qiang Wu , Chun Yuan

A common problem with most zero and few-shot learning approaches is they suffer from bias towards seen classes resulting in sub-optimal performance. Existing efforts aim to utilize unlabeled images from unseen classes (i.e transductive…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Gaurav Bhatt , Shivam Chandhok , Vineeth N Balasubramanian

Despite remarkable advancements in few-shot generalization in natural language processing, most models are developed and evaluated primarily in English. To facilitate research on few-shot cross-lingual transfer, we introduce a new…

In real-world environments, a LiDAR point cloud registration method with robust generalization capabilities (across varying distances and datasets) is crucial for ensuring safety in autonomous driving and other LiDAR-based applications.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Zhenxuan Zeng , Qiao Wu , Xiyu Zhang , Lin Yuanbo Wu , Pei An , Jiaqi Yang , Ji Wang , Peng Wang

We address the problem of learning fine-grained cross-modal representations. We propose an instance-based deep metric learning approach in joint visual and textual space. The key novelty of this paper is that it shows that using per-image…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Boris N. Oreshkin , Negar Rostamzadeh , Pedro O. Pinheiro , Christopher Pal

Rigid point cloud registration is a fundamental problem and highly relevant in robotics and autonomous driving. Nowadays deep learning methods can be trained to match a pair of point clouds, given the transformation between them. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Christian Löwens , Thorben Funke , André Wagner , Alexandru Paul Condurache

Multiview point cloud registration is a fundamental task for constructing globally consistent 3D models. Existing approaches typically rely on feature extraction and data association across multiple point clouds; however, these processes…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yiran Zhou , Yingyu Wang , Shoudong Huang , Liang Zhao

Despite significant progress in object categorization, in recent years, a number of important challenges remain; mainly, the ability to learn from limited labeled data and to recognize object classes within large, potentially open, set of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Yanwei Fu , Xiaomei Wang , Hanze Dong , Yu-Gang Jiang , Meng Wang , Xiangyang Xue , Leonid Sigal

Domain generalization involves learning a classifier from a heterogeneous collection of training sources such that it generalizes to data drawn from similar unknown target domains, with applications in large-scale learning and personalized…

Machine Learning · Computer Science 2021-12-24 Xavier Thomas , Dhruv Mahajan , Alex Pentland , Abhimanyu Dubey

In the context of few-shot learning, one cannot measure the generalization ability of a trained classifier using validation sets, due to the small number of labeled samples. In this paper, we are interested in finding alternatives to answer…

Machine Learning · Computer Science 2020-07-09 Myriam Bontonou , Louis Béthune , Vincent Gripon

Point clouds are collected nowadays from a plethora of sensors, some having higher accuracies and higher costs, some having lower accuracies but also lower costs. Not only there is a large choice for different sensors, but also these can be…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Francesco Pirotti , Alberto Guarnieri , Sebastiano Chiodini , Carlo Bettanini

Standard supervised learning setting assumes that training data and test data come from the same distribution (domain). Domain generalization (DG) methods try to learn a model that when trained on data from multiple domains, would…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Udit Maniyar , Joseph K J , Aniket Anand Deshmukh , Urun Dogan , Vineeth N Balasubramanian

Registration of multiview point clouds conventionally relies on extensive pairwise matching to build a pose graph for global synchronization, which is computationally expensive and inherently ill-posed without holistic geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Haobo Jiang , Jin Xie , Jian Yang , Liang Yu , Jianmin Zheng

Point cloud registration is a task to estimate the rigid transformation between two unaligned scans, which plays an important role in many computer vision applications. Previous learning-based works commonly focus on supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Mingzhi Yuan , Kexue Fu , Zhihao Li , Yucong Meng , Manning Wang

In some of object recognition problems, labeled data may not be available for all categories. Zero-shot learning utilizes auxiliary information (also called signatures) describing each category in order to find a classifier that can…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Seyed Mohsen Shojaee , Mahdieh Soleymani Baghshah

The goal of this paper is to address the problem of global point cloud registration (PCR) i.e., finding the optimal alignment between point clouds irrespective of the initial poses of the scans. This problem is notoriously challenging for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Stefanos Pertigkiozoglou , Evangelos Chatzipantazis , Kostas Daniilidis