中文
相关论文

相关论文: Anomaly Detection in 3D Point Clouds using Deep Ge…

200 篇论文

3D object detection is essential for understanding 3D scenes. Contemporary techniques often require extensive annotated training data, yet obtaining point-wise annotations for point clouds is time-consuming and laborious. Recent…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Jiacheng Deng , Jiahao Lu , Tianzhu Zhang

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Jacek Komorowski

Medical imaging data suffers from the limited availability of annotation because annotating 3D medical data is a time-consuming and expensive task. Moreover, even if the annotation is available, supervised learning-based approaches suffer…

图像与视频处理 · 电气工程与系统科学 2020-11-12 Abinav Ravi Venkatakrishnan , Seong Tae Kim , Rami Eisawy , Franz Pfister , Nassir Navab

Industrial surface defect detection often suffers from limited defect samples, severe long-tailed distributions, and difficulties in accurately localizing subtle defects under complex backgrounds. To address these challenges, this paper…

人工智能 · 计算机科学 2026-04-22 Shuo Feng , Runlin Zhou , Yuyang Li , Guangcan Liu

3D object detection is an important task in computer vision. Most existing methods require a large number of high-quality 3D annotations, which are expensive to collect. Especially for outdoor scenes, the problem becomes more severe due to…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Hongyi Xu , Fengqi Liu , Qianyu Zhou , Jinkun Hao , Zhijie Cao , Zhengyang Feng , Lizhuang Ma

Automated surface inspection is an important task in many manufacturing industries and often requires machine learning driven solutions. Supervised approaches, however, can be challenging, since it is often difficult to obtain large amounts…

计算机视觉与模式识别 · 计算机科学 2018-11-19 Matthias Haselmann , Dieter P. Gruber , Paul Tabatabai

Anomaly detection in complex, high-dimensional data, such as UAV sensor readings, is essential for operational safety but challenging for existing methods due to their limited sensitivity, scalability, and inability to capture intricate…

机器学习 · 计算机科学 2025-10-28 Mingze Gong , Juan Du , Jianbang You

Automatic detection of visual anomalies and changes in the environment has been a topic of recurrent attention in the fields of machine learning and computer vision over the past decades. A visual anomaly or change detection algorithm…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Sahar Salimpour , Jorge Peña Queralta , Tomi Westerlund

Learning and selecting important points on a point cloud is crucial for point cloud understanding in various applications. Most of early methods selected the important points on 3D shapes by analyzing the intrinsic geometric properties of…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Xinhai Liu , Zhizhong Han , Sanghuk Lee , Yan-Pei Cao , Yu-Shen Liu

Detecting 3D objects from point clouds is a practical yet challenging task that has attracted increasing attention recently. In this paper, we propose a Label-Guided auxiliary training method for 3D object detection (LG3D), which serves as…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Yaomin Huang , Xinmei Liu , Yichen Zhu , Zhiyuan Xu , Chaomin Shen , Zhengping Che , Guixu Zhang , Yaxin Peng , Feifei Feng , Jian Tang

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

Three-dimensional point cloud anomaly detection that aims to detect anomaly data points from a training set serves as the foundation for a variety of applications, including industrial inspection and autonomous driving. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Baozhu Zhao , Qiwei Xiong , Xiaohan Zhang , Jingfeng Guo , Qi Liu , Xiaofen Xing , Xiangmin Xu

Automatic synthesis of high quality 3D shapes is an ongoing and challenging area of research. While several data-driven methods have been proposed that make use of neural networks to generate 3D shapes, none of them reach the level of…

计算机视觉与模式识别 · 计算机科学 2019-06-28 Isaak Lim , Moritz Ibing , Leif Kobbelt

In this work, we propose to learn local descriptors for point clouds in a self-supervised manner. In each iteration of the training, the input of the network is merely one unlabeled point cloud. On top of our previous work, that directly…

机器人学 · 计算机科学 2020-03-12 Yijun Yuan , Jiawei Hou , Andreas Nüchter , Sören Schwertfeger

The paper explores the industrial multimodal Anomaly Detection (AD) task, which exploits point clouds and RGB images to localize anomalies. We introduce a novel light and fast framework that learns to map features from one modality to the…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Alex Costanzino , Pierluigi Zama Ramirez , Giuseppe Lisanti , Luigi Di Stefano

This paper considers the real-time detection of anomalies in high-dimensional systems. The goal is to detect anomalies quickly and accurately so that the appropriate countermeasures could be taken in time, before the system possibly gets…

机器学习 · 计算机科学 2020-07-16 Mahsa Mozaffari , Yasin Yilmaz

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. Point cloud patches are extracted, canonicalised with…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Fabio Poiesi , Davide Boscaini

High-precision point cloud anomaly detection is the gold standard for identifying the defects of advancing machining and precision manufacturing. Despite some methodological advances in this area, the scarcity of datasets and the lack of a…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Jiaqi Liu , Guoyang Xie , Ruitao Chen , Xinpeng Li , Jinbao Wang , Yong Liu , Chengjie Wang , Feng Zheng

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,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Christian Löwens , Thorben Funke , André Wagner , Alexandru Paul Condurache

Anomaly detection (AD) is increasingly recognized as a key component for ensuring the resilience of future communication systems. While deep learning has shown state-of-the-art AD performance, its application in critical systems is hindered…

机器学习 · 计算机科学 2025-10-29 Lukas Schynol , Marius Pesavento