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相关论文: Unlearnable 3D Point Clouds: Class-wise Transforma…

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Diffusion models are rapidly redefining 3D anomaly detection in point cloud data. As 3D sensing becomes integral to modern manufacturing, reliable anomaly detection is essential for high-throughput quality assurance and process control. Yet…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Pranav A , Shashank B , Pranav Siddappa , Dominik Seuss , Minal Moharir , Subramanya KN

Deep Neural Networks (DNNs) for 3D point cloud recognition are vulnerable to adversarial examples, threatening their practical deployment. Despite the many research endeavors have been made to tackle this issue in recent years, the…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Qiufan Ji , Lin Wang , Cong Shi , Shengshan Hu , Yingying Chen , Lichao Sun

Massive human-related data is collected to train neural networks for computer vision tasks. A major conflict is exposed relating to software engineers between better developing AI systems and distancing from the sensitive training data. To…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Fusheng Hao , Fengxiang He , Yikai Wang , Fuxiang Wu , Jing Zhang , Jun Cheng , Dacheng Tao

3D reconstruction from single view images is an ill-posed problem. Inferring the hidden regions from self-occluded images is both challenging and ambiguous. We propose a two-pronged approach to address these issues. To better incorporate…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Priyanka Mandikal , K L Navaneet , Mayank Agarwal , R. Venkatesh Babu

The recent success of pre-trained 2D vision models is mostly attributable to learning from large-scale datasets. However, compared with 2D image datasets, the current pre-training data of 3D point cloud is limited. To overcome this…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Yuan Yao , Yuanhan Zhang , Zhenfei Yin , Jiebo Luo , Wanli Ouyang , Xiaoshui Huang

In real-world scenarios, scanned point clouds are often incomplete due to occlusion issues. The tasks of self-supervised and weakly-supervised point cloud completion involve reconstructing missing regions of these incomplete objects without…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Lintai Wu , Xianjing Cheng , Yong Xu , Huanqiang Zeng , Junhui Hou

Unsupervised learning on 3D point clouds has undergone a rapid evolution, especially thanks to data augmentation-based contrastive methods. However, data augmentation is not ideal as it requires a careful selection of the type of…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Guofeng Mei , Cristiano Saltori , Fabio Poiesi , Jian Zhang , Elisa Ricci , Nicu Sebe , Qiang Wu

Deep learning systems extensively use convolution operations to process input data. Though convolution is clearly defined for structured data such as 2D images or 3D volumes, this is not true for other data types such as sparse point…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Pedro Hermosilla , Tobias Ritschel , Pere-Pau Vázquez , Àlvar Vinacua , Timo Ropinski

Deep learning-based point cloud registration models are often generalized from extensive training over a large volume of data to learn the ability to predict the desired geometric transformation to register 3D point clouds. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Lingjing Wang , Yu Hao , Xiang Li , Yi Fang

Most existing unlearnable strategies focus on preventing unauthorized users from training single-task learning (STL) models with personal data. Nevertheless, the paradigm has recently shifted towards multi-task data and multi-task learning…

机器学习 · 计算机科学 2025-05-09 Yi Yu , Song Xia , Siyuan Yang , Chenqi Kong , Wenhan Yang , Shijian Lu , Yap-Peng Tan , Alex C. Kot

Machine learning models may inadvertently memorize sensitive, unauthorized, or malicious data, posing risks of privacy breaches, security vulnerabilities, and performance degradation. To address these issues, machine unlearning has emerged…

机器学习 · 计算机科学 2024-04-08 Jie Xu , Zihan Wu , Cong Wang , Xiaohua Jia

This paper investigates multi-scale feature approximation and transferable features for object detection from point clouds. Multi-scale features are critical for object detection from point clouds. However, multi-scale feature learning…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Hao Peng , Hong Sang , Yajing Ma , Ping Qiu , Chao Ji

With the rise of large-scale models trained on broad data, in-context learning has become a new learning paradigm that has demonstrated significant potential in natural language processing and computer vision tasks. Meanwhile, in-context…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Zhongbin Fang , Xiangtai Li , Xia Li , Joachim M. Buhmann , Chen Change Loy , Mengyuan Liu

Recent advances in multi-modal pre-training methods have shown promising effectiveness in learning 3D representations by aligning multi-modal features between 3D shapes and their corresponding 2D counterparts. However, existing multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Liwen Liu , Weidong Yang , Lipeng Ma , Ben Fei

3D anomaly detection in point-cloud data is critical for industrial quality control, aiming to identify structural defects with high reliability. However, current memory bank-based methods often suffer from inconsistent feature…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yuyang Yu , Zhengwei Chen , Xuemiao Xu , Lei Zhang , Haoxin Yang , Yongwei Nie , Shengfeng He

3D point cloud registration is a fundamental problem in computer vision and robotics. There has been extensive research in this area, but existing methods meet great challenges in situations with a large proportion of outliers and time…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Kexue Fu , Shaolei Liu , Xiaoyuan Luo , Manning Wang

We propose a cloud-based filter trained to block third parties from uploading privacy-sensitive images of others to online social media. The proposed filter uses Distributed One-Class Learning, which decomposes the cloud-based filter into…

机器学习 · 计算机科学 2018-02-13 Ali Shahin Shamsabadi , Hamed Haddadi , Andrea Cavallaro

The volume of open-source biomedical data has been essential to the development of various spheres of the healthcare community since more `free' data can provide individual researchers more chances to contribute. However, institutions often…

机器学习 · 计算机科学 2023-03-07 Yixin Liu , Haohui Ye , Kai Zhang , Lichao Sun

With the widespread application of artificial intelligence technologies in face recognition and other fields, data privacy security issues have received extensive attention, especially the \textit{right to be forgotten} emphasized by…

密码学与安全 · 计算机科学 2026-04-10 Weidong Zheng , Kongyang Chen , Yao Huang , Yuanwei Guo , Yatie Xiao

Point cloud learning is receiving increasing attention. However, most existing point cloud models lack the practical ability to deal with the unavoidable presence of unknown objects. This paper primarily discusses point cloud learning in…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Jie Hong , Shi Qiu , Weihao Li , Saeed Anwar , Mehrtash Harandi , Nick Barnes , Lars Petersson