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The problem of detecting a novel class at run time is known as Open Set Detection & is important for various real-world applications like medical application, autonomous driving, etc. Open Set Detection within context of deep learning…

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

Tremendous progress has been made in sequential processing with the recent advances in recurrent neural networks. However, recurrent architectures face the challenge of exploding/vanishing gradients during training, and require significant…

神经与进化计算 · 计算机科学 2021-10-13 Bing Han , Cheng Wang , Kaushik Roy

Convolutional Neural Network models have successfully detected retinal illness from optical coherence tomography (OCT) and fundus images. These CNN models frequently rely on vast amounts of labeled data for training, difficult to obtain,…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Sourya Dipta Das , Saikat Dutta , Nisarg A. Shah , Dwarikanath Mahapatra , Zongyuan Ge

In this paper, we propose DeepAlign, a novel approach to multi-perspective process anomaly correction, based on recurrent neural networks and bidirectional beam search. At the core of the DeepAlign algorithm are two recurrent neural…

人工智能 · 计算机科学 2020-03-25 Timo Nolle , Alexander Seeliger , Nils Thoma , Max Mühlhäuser

Convolutional-deconvolution networks can be adopted to perform end-to-end saliency detection. But, they do not work well with objects of multiple scales. To overcome such a limitation, in this work, we propose a recurrent attentional…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Jason Kuen , Zhenhua Wang , Gang Wang

The identification of undesirable behavior in event logs is an important aspect of process mining that is often addressed by anomaly detection methods. Traditional anomaly detection methods tend to focus on statistically rare behavior and…

人工智能 · 计算机科学 2024-07-01 Kiran Busch , Timotheus Kampik , Henrik Leopold

This paper introduces the Ongoing Event Detection (OED) task, which is a specific Event Detection task where the goal is to detect ongoing event mentions only, as opposed to historical, future, hypothetical, or other forms or events that…

计算与语言 · 计算机科学 2021-02-09 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman , Evangelos Milios

We consider the problem of collectively detecting multiple events, particularly in cross-sentence settings. The key to dealing with the problem is to encode semantic information and model event inter-dependency at a document-level. In this…

计算与语言 · 计算机科学 2022-11-02 Dongfang Lou , Zhilin Liao , Shumin Deng , Ningyu Zhang , Huajun Chen

Despite the rapid advance of unsupervised anomaly detection, existing methods require to train separate models for different objects. In this work, we present UniAD that accomplishes anomaly detection for multiple classes with a unified…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Zhiyuan You , Lei Cui , Yujun Shen , Kai Yang , Xin Lu , Yu Zheng , Xinyi Le

Convolutional neural network (CNN) has drawn increasing interest in visual tracking owing to its powerfulness in feature extraction. Most existing CNN-based trackers treat tracking as a classification problem. However, these trackers are…

计算机视觉与模式识别 · 计算机科学 2017-05-02 Heng Fan , Haibin Ling

Advances in deep neural networks (DNN) greatly bolster real-time detection of anomalous IoT data. However, IoT devices can barely afford complex DNN models due to limited computational power and energy supply. While one can offload anomaly…

机器学习 · 计算机科学 2020-01-13 Mao V. Ngo , Hakima Chaouchi , Tie Luo , Tony Q. S. Quek

Disentangling complex causal relationships is important for accurate detection of anomalies. In multivariate time series analysis, dynamic interactions among data variables over time complicate the interpretation of causal relationships.…

机器学习 · 计算机科学 2025-10-14 Wonah Kim , Jeonghyeon Park , Dongsan Jun , Jungkyu Han , Sejin Chun

In this paper, we propose a stacked convolutional and recurrent neural network (CRNN) with a 3D convolutional neural network (CNN) in the first layer for the multichannel sound event detection (SED) task. The 3D CNN enables the network to…

声音 · 计算机科学 2018-01-30 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

Recently web applications have been widely used in enterprises to assist employees in providing effective and efficient business processes. Forecasting upcoming web events in enterprise web applications can be beneficial in many ways, such…

密码学与安全 · 计算机科学 2020-09-08 Xiaoyong Yuan , Lei Ding , Malek Ben Salem , Xiaolin Li , Dapeng Wu

Many organisations manage service quality and monitor a large set devices and servers where each entity is associated with telemetry or physical sensor data series. Recently, various methods have been proposed to detect behavioural…

社会与信息网络 · 计算机科学 2023-05-10 Len Feremans , Boris Cule , Bart Goethals

Human behavior anomaly detection aims to identify unusual human actions, playing a crucial role in intelligent surveillance and other areas. The current mainstream methods still adopt reconstruction or future frame prediction techniques.…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Guoqing Yang , Zhiming Luo , Jianzhe Gao , Yingxin Lai , Kun Yang , Yifan He , Shaozi Li

This paper introduces a general framework for analyzing recurrent event data by modeling the conditional mean function of the recurrent event process as the solution to an Ordinary Differential Equation (ODE). This approach not only…

统计方法学 · 统计学 2025-07-29 Bo Meng , Weijing Tang , Gongjun Xu , Ji Zhu

Characterizing users' interests accurately plays a significant role in an effective recommender system. The sequential recommender system can learn powerful hidden representations of users from successive user-item interactions and dynamic…

社会与信息网络 · 计算机科学 2020-11-24 Lingxiao Zhang , Jiangpeng Yan , Yujiu Yang , Xiu Li

Extreme multi-label text classification (XMTC) is the task of finding the most relevant subset labels from an extremely large-scale label collection. Recently, some deep learning models have achieved state-of-the-art results in XMTC tasks.…

计算与语言 · 计算机科学 2022-11-29 Jie Cao , Yin Zhang

Insecure Internet of things (IoT) devices pose significant threats to critical infrastructure and the Internet at large; detecting anomalous behavior from these devices remains of critical importance, but fast, efficient, accurate anomaly…

网络与互联网体系结构 · 计算机科学 2021-04-23 Kun Yang , Samory Kpotufe , Nick Feamster