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Generic Image recognition is a fundamental and fairly important visual problem in computer vision. One of the major challenges of this task lies in the fact that single image usually has multiple objects inside while the labels are still…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Zhiqiang Shen , Zhankui He , Wanyun Cui , Jiahui Yu , Yutong Zheng , Chenchen Zhu , Marios Savvides

Knowledge distillation is a technique to enhance the generalization ability of a student model by exploiting outputs from a teacher model. Recently, feature-map based variants explore knowledge transfer between manually assigned…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Defang Chen , Jian-Ping Mei , Yuan Zhang , Can Wang , Yan Feng , Chun Chen

As a promising approach in model compression, knowledge distillation improves the performance of a compact model by transferring the knowledge from a cumbersome one. The kind of knowledge used to guide the training of the student is…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Tao Liu , Xi Yang , Chenshu Chen

Most of the existing methods for anomaly detection use only positive data to learn the data distribution, thus they usually need a pre-defined threshold at the detection stage to determine whether a test instance is an outlier.…

机器学习 · 计算机科学 2019-03-19 Kai Tian , Shuigeng Zhou , Jianping Fan , Jihong Guan

Recent advances in unsupervised anomaly detection (UAD) have shifted from single-class to multi-class scenarios. In such complex contexts, the increasing pattern diversity has brought two challenges to reconstruction-based approaches: (1)…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Jingyu Xing , Chenwei Tang , Tao Wang , Rong Xiao , Wei Ju , Ji-Zhe Zhou , Liangli Zhen , Jiancheng Lv

While deep models have shown promising performance in medical image segmentation, they heavily rely on a large amount of well-annotated data, which is difficult to access, especially in clinical practice. On the other hand, high-accuracy…

图像与视频处理 · 电气工程与系统科学 2022-10-20 Ziyuan Zhao , Andong Zhu , Zeng Zeng , Bharadwaj Veeravalli , Cuntai Guan

Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

机器学习 · 计算机科学 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Multispectral pedestrian detection has been shown to be effective in improving performance within complex illumination scenarios. However, prevalent double-stream networks in multispectral detection employ two separate feature extraction…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Zizhao Chen , Yeqiang Qian , Xiaoxiao Yang , Chunxiang Wang , Ming Yang

Deep neural networks are known to be vulnerable to unseen data: they may wrongly assign high confidence stcores to out-distribuion samples. Recent works try to solve the problem using representation learning methods and specific metrics. In…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Haowei He , Jiaye Teng , Yang Yuan

In this paper, we introduce a novel knowledge distillation approach for the semantic segmentation task. Unlike previous methods that rely on power-trained teachers or other modalities to provide additional knowledge, our approach does not…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Shoumeng Qiu , Jie Chen , Xinrun Li , Ru Wan , Xiangyang Xue , Jian Pu

Anomaly detection on attributed networks attracts considerable research interests due to wide applications of attributed networks in modeling a wide range of complex systems. Recently, the deep learning-based anomaly detection methods have…

机器学习 · 计算机科学 2021-05-07 Yixin Liu , Zhao Li , Shirui Pan , Chen Gong , Chuan Zhou , George Karypis

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

Anomaly detection is an essential problem in machine learning. Application areas include network security, health care, fraud detection, etc., involving high-dimensional datasets. A typical anomaly detection system always faces the…

机器学习 · 计算机科学 2021-12-30 Inderjeet Singh , Nandyala Hemachandra

Dynamic networks, also called network streams, are an important data representation that applies to many real-world domains. Many sets of network data such as e-mail networks, social networks, or internet traffic networks are best…

社会与信息网络 · 计算机科学 2014-11-17 Timothy La Fond , Jennifer Neville , Brian Gallagher

We propose a simple and application-friendly network (called SimpleNet) for detecting and localizing anomalies. SimpleNet consists of four components: (1) a pre-trained Feature Extractor that generates local features, (2) a shallow Feature…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Zhikang Liu , Yiming Zhou , Yuansheng Xu , Zilei Wang

Content delivery networks (CDNs) provide efficient content distribution over the Internet. CDNs improve the connectivity and efficiency of global communications, but their caching mechanisms may be breached by cyber-attackers. Among the…

In this paper, we tackle the problem of novel visual category discovery, i.e., grouping unlabelled images from new classes into different semantic partitions by leveraging a labelled dataset that contains images from other different but…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Bingchen Zhao , Kai Han

Deep approaches to anomaly detection have recently shown promising results over shallow methods on large and complex datasets. Typically anomaly detection is treated as an unsupervised learning problem. In practice however, one may…

In this paper, we propose a novel self-distillation method for fake speech detection (FSD), which can significantly improve the performance of FSD without increasing the model complexity. For FSD, some fine-grained information is very…

声音 · 计算机科学 2023-03-03 Jun Xue , Cunhang Fan , Jiangyan Yi , Chenglong Wang , Zhengqi Wen , Dan Zhang , Zhao Lv

Anomaly detection is the task of identifying abnormal behavior of a system. Anomaly detection in computational workflows is of special interest because of its wide implications in various domains such as cybersecurity, finance, and social…