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Online reinforcement learning agents are currently able to process an increasing amount of data by converting it into a higher order value functions. This expansion of the information collected from the environment increases the agent's…

机器学习 · 计算机科学 2021-02-04 Mirza Ramicic , Andrea Bonarini

Robust and computationally efficient anomaly detection in videos is a problem in video surveillance systems. We propose a technique to increase robustness and reduce computational complexity in a Convolutional Neural Network (CNN) based…

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

Recent advancements in deep neural networks have markedly enhanced the performance of computer vision tasks, yet the specialized nature of these networks often necessitates extensive data and high computational power. Addressing these…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jiayou Chao , Wei Zhu

Recognizing text from natural images is a hot research topic in computer vision due to its various applications. Despite the enduring research of several decades on optical character recognition (OCR), recognizing texts from natural images…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Zhanzhan Cheng , Yangliu Xu , Fan Bai , Yi Niu , Shiliang Pu , Shuigeng Zhou

Anomaly detection involves identifying instances within a dataset that deviate from the norm and occur infrequently. Current benchmarks tend to favor methods biased towards low diversity in normal data, which does not align with real-world…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Mohammad Akhavan Anvari , Rojina Kashefi , Vahid Reza Khazaie , Mohammad Khalooei , Mohammad Sabokrou

Traditional named entity recognition (NER) aims to identify text mentions into pre-defined entity types. Continual Named Entity Recognition (CNER) is introduced since entity categories are continuously increasing in various real-world…

计算与语言 · 计算机科学 2025-10-14 Yawen Yang , Fukun Ma , Shiao Meng , Aiwei Liu , Lijie Wen

Businesses are naturally interested in detecting anomalies in their internal processes, because these can be indicators for fraud and inefficiencies. Within the domain of business intelligence, classic anomaly detection is not very…

人工智能 · 计算机科学 2018-05-01 Timo Nolle , Stefan Luettgen , Alexander Seeliger , Max Mühlhäuser

Incremental learning aims to learn new tasks sequentially without forgetting the previously learned ones. Most of the existing incremental learning methods for audio focus on training the model from scratch on the initial task, and the same…

音频与语音处理 · 电气工程与系统科学 2025-08-29 Manjunath Mulimani , Annamaria Mesaros

Detecting anomalous inputs, such as adversarial and out-of-distribution (OOD) inputs, is critical for classifiers (including deep neural networks or DNNs) deployed in real-world applications. While prior works have proposed various methods…

机器学习 · 计算机科学 2021-06-18 Jayaram Raghuram , Varun Chandrasekaran , Somesh Jha , Suman Banerjee

Unsupervised anomaly detection is a challenging task. Autoencoders (AEs) or generative models are often employed to model the data distribution of normal inputs and subsequently identify anomalous, out-of-distribution inputs by high…

机器学习 · 计算机科学 2025-06-12 Yalin Liao , Austin J. Brockmeier

Time series anomaly detection plays a crucial role in a wide range of fields, such as healthcare and internet traffic monitoring. The emergence of large language models (LLMs) offers new opportunities for detecting anomalies in the…

机器学习 · 计算机科学 2025-10-07 Hanzhe Wei , Jiajun Wu , Jialin Yang , Henry Leung , Steve Drew

Deep Convolutional Neural Networks (CNNs) have recently reached state-of-the-art Handwritten Text Recognition (HTR) performance. However, recent research has shown that typical CNNs' learning performance is limited since they are…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Hanadi Hassen Mohammed , Junaid Malik , Somaya Al-Madeed , Serkan Kiranyaz

Deep neural networks (DNNs) are reshaping the field of information processing. With their exponential growth challenging existing electronic hardware, optical neural networks (ONNs) are emerging to process DNN tasks in the optical domain…

Time series are ubiquitous and occur naturally in a variety of applications -- from data recorded by sensors in manufacturing processes, over financial data streams to climate data. Different tasks arise, such as regression, classification…

机器学习 · 计算机科学 2024-09-17 Sebastian Wette , Florian Heinrichs

The extraction of multi-attribute objects from the deep web is the bridge between the unstructured web and structured data. Existing approaches either induce wrappers from a set of human-annotated pages or leverage repeated structures on…

数据库 · 计算机科学 2012-10-23 Tim Furche , Georg Gottlob , Giovanni Grasso , Giorgio Orsi , Christian Schallhart , Cheng Wang

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

Unsupervised Continuous Anomaly Detection (UCAD) is gaining attention for effectively addressing the catastrophic forgetting and heavy computational burden issues in traditional Unsupervised Anomaly Detection (UAD). However, existing UCAD…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Mingle Zhou , Jiahui Liu , Jin Wan , Gang Li , Min Li

Anomaly detection is the process of finding data points that deviate from a baseline. In a real-life setting, anomalies are usually unknown or extremely rare. Moreover, the detection must be accomplished in a timely manner or the risk of…

机器学习 · 计算机科学 2019-04-26 Mariem Ben Fadhel , Kofi Nyarko

Automated driving object detection has always been a challenging task in computer vision due to environmental uncertainties. These uncertainties include significant differences in object sizes and encountering the class unseen. It may…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zezhou Wang , Guitao Cao , Xidong Xi , Jiangtao Wang
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