中文
相关论文

相关论文: Towards Zero-shot Point Cloud Anomaly Detection: A…

200 篇论文

In line with the development of Industry 4.0, surface defect detection/anomaly detection becomes a topical subject in the industry field. Improving efficiency as well as saving labor costs has steadily become a matter of great concern in…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Yajie Cui , Zhaoxiang Liu , Shiguo Lian

Precise optical inspection in industrial applications is crucial for minimizing scrap rates and reducing the associated costs. Besides merely detecting if a product is anomalous or not, it is crucial to know the distinct type of defect,…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Ylli Sadikaj , Hongkuan Zhou , Lavdim Halilaj , Stefan Schmid , Steffen Staab , Claudia Plant

The latest trend in anomaly detection is to train a unified model instead of training a separate model for each category. However, existing multi-class anomaly detection (MCAD) models perform poorly in multi-view scenarios because they…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Qianzi Yu , Yang Cao , Yu Kang

Benefiting from generalizability of vision-language models (VLMs) such as CLIP, many zero-/few-shot anomaly detection (AD) approaches have achieved impressive detection performance across various datasets. Nevertheless, they require…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Yi Zhang , Jiawen Zhu , Lele Fu , Guansong Pang

Zero-shot 3D Anomaly Detection is an emerging task that aims to detect anomalies in a target dataset without any target training data, which is particularly important in scenarios constrained by sample scarcity and data privacy concerns.…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Zehao Deng , An Liu , Yan Wang

Most existing 3D point cloud object detection approaches heavily rely on large amounts of labeled training data. However, the labeling process is costly and time-consuming. This paper considers few-shot 3D point cloud object detection,…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Shizhen Zhao , Xiaojuan Qi

This technical report outlines our submission to the zero-shot track of the Visual Anomaly and Novelty Detection (VAND) 2023 Challenge. Building on the performance of the WINCLIP framework, we aim to enhance the system's localization…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Matthew Baugh , James Batten , Johanna P. Müller , Bernhard Kainz

Unsupervised visual anomaly detection from multi-view images presents a significant challenge: distinguishing genuine defects from benign appearance variations caused by viewpoint changes. Existing methods, often designed for single-view…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Xintao Chen , Xiaohao Xu , Bozhong Zheng , Yun Liu , Yingna Wu

2D-based Industrial Anomaly Detection has been widely discussed, however, multimodal industrial anomaly detection based on 3D point clouds and RGB images still has many untouched fields. Existing multimodal industrial anomaly detection…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Yue Wang , Jinlong Peng , Jiangning Zhang , Ran Yi , Yabiao Wang , Chengjie Wang

Incorporating multiple camera views for detection alleviates the impact of occlusions in crowded scenes. In a multiview system, we need to answer two important questions when dealing with ambiguities that arise from occlusions. First, how…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Yunzhong Hou , Liang Zheng , Stephen Gould

We present a new method for the unsupervised detection of geometric anomalies in high-resolution 3D point clouds. In particular, we propose an adaptation of the established student-teacher anomaly detection framework to three dimensions. A…

计算机视觉与模式识别 · 计算机科学 2022-02-24 Paul Bergmann , David Sattlegger

Existing industrial anomaly detection methods mainly determine whether an anomaly is present. However, real-world applications also require discovering and classifying multiple anomaly types. Since industrial anomalies are semantically…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Botong Zhao , Qijun Shi , Shujing Lyu , Yue Lu

Fusion of 2D images and 3D point clouds is important because information from dense images can enhance sparse point clouds. However, fusion is challenging because 2D and 3D data live in different spaces. In this work, we propose MVPNet…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Maximilian Jaritz , Jiayuan Gu , Hao Su

Anomaly detecting as an important technical in cloud computing is applied to support smooth running of the cloud platform. Traditional detecting methods based on statistic, analysis, etc. lead to the high false-alarm rate due to…

机器学习 · 计算机科学 2019-01-29 Jing Zhang

In this study, we tackle the challenge of classifying the object category in point clouds, which previous works like PointCLIP struggle to address due to the inherent limitations of the CLIP architecture. Our approach leverages GPT-4 Vision…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Qi Sun , Xiao Cui , Wengang Zhou , Houqiang Li

Detecting visual anomalies in diverse, multi-class real-world images is a significant challenge. We introduce \ours, a novel unsupervised multi-class visual anomaly detection framework. It integrates a Latent Diffusion Model (LDM) with a…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Samet Hicsonmez , Abd El Rahman Shabayek , Djamila Aouada

Video anomaly detection (VAD) has witnessed significant advancements through the integration of large language models (LLMs) and vision-language models (VLMs), addressing critical challenges such as interpretability, temporal reasoning, and…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Xi Ding , Lei Wang

In recent years, there has been a growing interest in identifying anomalous structure within multivariate data streams. We consider the problem of detecting collective anomalies, corresponding to intervals where one or more of the data…

统计方法学 · 统计学 2019-09-05 Alexander T M Fisch , Idris A Eckley , Paul Fearnhead

Large Vision-Language Models (LVLMs) such as MiniGPT-4 and LLaVA have demonstrated the capability of understanding images and achieved remarkable performance in various visual tasks. Despite their strong abilities in recognizing common…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Zhaopeng Gu , Bingke Zhu , Guibo Zhu , Yingying Chen , Ming Tang , Jinqiao Wang

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