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相关论文: Noise-Resilient Point-wise Anomaly Detection in Ti…

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Given high-dimensional time series data (e.g., sensor data), how can we detect anomalous events, such as system faults and attacks? More challengingly, how can we do this in a way that captures complex inter-sensor relationships, and…

机器学习 · 计算机科学 2021-06-15 Ailin Deng , Bryan Hooi

Noisy labels are ubiquitous in real-world datasets, which poses a challenge for robustly training deep neural networks (DNNs) as DNNs usually have the high capacity to memorize the noisy labels. In this paper, we find that the test accuracy…

机器学习 · 计算机科学 2019-05-14 Pengfei Chen , Benben Liao , Guangyong Chen , Shengyu Zhang

Several techniques for multivariate time series anomaly detection have been proposed recently, but a systematic comparison on a common set of datasets and metrics is lacking. This paper presents a systematic and comprehensive evaluation of…

机器学习 · 计算机科学 2021-09-24 Astha Garg , Wenyu Zhang , Jules Samaran , Savitha Ramasamy , Chuan-Sheng Foo

Time series anomaly detection has achieved remarkable progress in recent years. However, evaluation practices have received comparatively less attention, despite their critical importance. Existing metrics exhibit several limitations: (1)…

机器学习 · 计算机科学 2026-03-09 Yuewei Li , Dalin Zhang , Huan Li , Xinyi Gong , Hongjun Chu , Zhaohui Song

Current methods focusing on medical image segmentation suffer from incorrect annotations, which is known as the noisy label issue. Most medical image segmentation with noisy labels methods utilize either noise transition matrix,…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zicheng Wang , Zhen Zhao , Erjian Guo , Luping Zhou

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

机器学习 · 计算机科学 2021-01-19 Görkem Algan , Ilkay Ulusoy

The drastic increase of data quantity often brings the severe decrease of data quality, such as incorrect label annotations, which poses a great challenge for robustly training Deep Neural Networks (DNNs). Existing learning \mbox{methods}…

机器学习 · 计算机科学 2022-03-18 Qizhou Wang , Bo Han , Tongliang Liu , Gang Niu , Jian Yang , Chen Gong

Learning with noisy labels is a vital topic for practical deep learning as models should be robust to noisy open-world datasets in the wild. The state-of-the-art noisy label learning approach JoCoR fails when faced with a large ratio of…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Yuhang Zhang , Weihong Deng , Xingchen Cui , Yunfeng Yin , Hongzhi Shi , Dongchao Wen

For multi-class classification under class-conditional label noise, we prove that the accuracy metric itself can be robust. We concretize this finding's inspiration in two essential aspects: training and validation, with which we address…

机器学习 · 计算机科学 2020-12-09 Pengfei Chen , Junjie Ye , Guangyong Chen , Jingwei Zhao , Pheng-Ann Heng

Compared to supervised deep learning, self-supervision provides remote sensing a tool to reduce the amount of exact, human-crafted geospatial annotations. While image-level information for unsupervised pretraining efficiently works for…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Chenying Liu , Conrad M Albrecht , Yi Wang , Xiao Xiang Zhu

Although mainstream unsupervised anomaly detection (AD) algorithms perform well in academic datasets, their performance is limited in practical application due to the ideal experimental setting of clean training data. Training with noisy…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Xi Jiang , Ying Chen , Qiang Nie , Yong Liu , Jianlin Liu , Bin-Bin Gao , Jun Liu , Chengjie Wang , Feng Zheng

Visual sentiment analysis has received increasing attention in recent years. However, the dataset's quality is a concern because the sentiment labels are crowd-sourcing, subjective, and prone to mistakes, and poses a severe threat to the…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Wei Zhu , Zihe Zheng , Haitian Zheng , Hanjia Lyu , Jiebo Luo

Label noise in the sense of incorrect labels is present in many real-world data sets and is known to severely limit the generalizability of deep learning models. In the field of remote sensing, however, automated treatment of label noise in…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Felix Kröber , Genc Hoxha , Ribana Roscher

Deep models trained with noisy labels are prone to over-fitting and struggle in generalization. Most existing solutions are based on an ideal assumption that the label noise is class-conditional, i.e., instances of the same class share the…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Ganlong Zhao , Guanbin Li , Yipeng Qin , Feng Liu , Yizhou Yu

Recent advances in deep neural models allow us to build reliable named entity recognition (NER) systems without handcrafting features. However, such methods require large amounts of manually-labeled training data. There have been efforts on…

计算与语言 · 计算机科学 2018-09-12 Jingbo Shang , Liyuan Liu , Xiang Ren , Xiaotao Gu , Teng Ren , Jiawei Han

Anomaly detection is to recognize samples that differ in some respect from the training observations. These samples which do not conform to the distribution of normal data are called outliers or anomalies. In real-world anomaly detection…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Vahid Reza Khazaie , Anthony Wong , Yalda Mohsenzadeh

As an open research topic in the field of deep learning, learning with noisy labels has attracted much attention and grown rapidly over the past ten years. Learning with label noise is crucial for driver distraction behavior recognition, as…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Linjuan Fan , Di Wen , Kunyu Peng , Kailun Yang , Jiaming Zhang , Ruiping Liu , Yufan Chen , Junwei Zheng , Jiamin Wu , Xudong Han , Rainer Stiefelhagen

Precise detection of tiny objects in remote sensing imagery remains a significant challenge due to their limited visual information and frequent occurrence within scenes. This challenge is further exacerbated by the practical burden and…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Haoran Zhu , Chang Xu , Wen Yang , Ruixiang Zhang , Yan Zhang , Gui-Song Xia

Long-tailed learning has attracted much attention recently, with the goal of improving generalisation for tail classes. Most existing works use supervised learning without considering the prevailing noise in the training dataset. To move…

机器学习 · 计算机科学 2021-08-27 Tong Wei , Jiang-Xin Shi , Wei-Wei Tu , Yu-Feng Li

Data lies at the core of modern deep learning. The impressive performance of supervised learning is built upon a base of massive accurately labeled data. However, in some real-world applications, accurate labeling might not be viable;…