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Cervical cancer is one of the most severe diseases threatening women's health. Early detection and diagnosis can significantly reduce cancer risk, in which cervical cytology classification is indispensable. Researchers have recently…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Linyi Qian , Qian Huang , Yulin Chen , Junzhou Chen

Weaknesses in computer systems such as faults, bugs and errors in the architecture, design or implementation of software provide vulnerabilities that can be exploited by attackers to compromise the security of a system. Common Weakness…

机器学习 · 计算机科学 2021-02-24 Siddhartha Shankar Das , Edoardo Serra , Mahantesh Halappanavar , Alex Pothen , Ehab Al-Shaer

Deepfake detection has become increasingly important due to the rise of synthetic media, which poses significant risks to digital identity and cyber presence for security and trust. While multiple approaches have improved detection…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Muhammad Salman , Iqra Tariq , Mishal Zulfiqar , Muqadas Jalal , Sami Aujla , Sumbal Fatima

Irregularly sampled time series commonly occur in several domains where they present a significant challenge to standard deep learning models. In this paper, we propose a new deep learning framework for probabilistic interpolation of…

机器学习 · 计算机科学 2024-11-07 Satya Narayan Shukla , Benjamin M. Marlin

We introduce a novel ensemble approach for feature selection based on hierarchical stacking for non-stationarity and/or a limited number of samples with a large number of features. Our approach exploits the co-dependency between features…

机器学习 · 计算机科学 2024-10-08 Aysin Tumay , Mustafa E. Aydin , Ali T. Koc , Suleyman S. Kozat

A time series is a sequence of sequentially ordered real values in time. Time series classification (TSC) is the task of assigning a time series to one of a set of predefined classes, usually based on a model learned from examples.…

机器学习 · 计算机科学 2023-02-02 Patrick Schäfer , Ulf Leser

Hierarchical text classification (HTC) is essential for various real applications. However, HTC models are challenging to develop because they often require processing a large volume of documents and labels with hierarchical taxonomy.…

计算与语言 · 计算机科学 2023-11-08 SangHun Im , Gibaeg Kim , Heung-Seon Oh , Seongung Jo , Donghwan Kim

The time series classification literature has expanded rapidly over the last decade, with many new classification approaches published each year. Prior research has mostly focused on improving the accuracy and efficiency of classifiers,…

机器学习 · 计算机科学 2020-06-03 Thach Le Nguyen , Severin Gsponer , Iulia Ilie , Martin O'Reilly , Georgiana Ifrim

Building classification models is an intrinsically practical exercise that requires many design decisions prior to deployment. We aim to provide some guidance in this decision making process. Specifically, given a classification problem…

机器学习 · 计算机科学 2021-02-01 James Large , Jason Lines , Anthony Bagnall

Test-time adaptation methods have been gaining attention recently as a practical solution for addressing source-to-target domain gaps by gradually updating the model without requiring labels on the target data. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Taeyeop Lee , Jonathan Tremblay , Valts Blukis , Bowen Wen , Byeong-Uk Lee , Inkyu Shin , Stan Birchfield , In So Kweon , Kuk-Jin Yoon

Dictionary based classifiers are a family of algorithms for time series classification (TSC), that focus on capturing the frequency of pattern occurrences in a time series. The ensemble based Bag of Symbolic Fourier Approximation Symbols…

机器学习 · 计算机科学 2021-05-11 Matthew Middlehurst , William Vickers , Anthony Bagnall

Recommender systems are a long-standing research problem in data mining and machine learning. They are incremental in nature, as new user-item interaction logs arrive. In real-world applications, we need to periodically train a…

信息检索 · 计算机科学 2022-11-09 Seoyoung Hong , Minju Jo , Seungji Kook , Jaeeun Jung , Hyowon Wi , Noseong Park , Sung-Bae Cho

The dynamical variational autoencoders (DVAEs) are a family of latent-variable deep generative models that extends the VAE to model a sequence of observed data and a corresponding sequence of latent vectors. In almost all the DVAEs of the…

音频与语音处理 · 电气工程与系统科学 2023-05-11 Xiaoyu Lin , Xiaoyu Bie , Simon Leglaive , Laurent Girin , Xavier Alameda-Pineda

HIV RNA viral load (VL) is an important outcome variable in studies of HIV infected persons. There exists only a handful of methods which classify patients by viral load patterns. Most methods place limits on the use of viral load…

The COVID-19 pandemic exposed critical limitations in diagnostic workflows: RT-PCR tests suffer from slow turnaround times and high false-negative rates, while CT-based screening offers faster complementary diagnosis but requires expert…

图像与视频处理 · 电气工程与系统科学 2026-03-18 Aadit Nilay , Bhavesh Thapar , Anant Agrawal , Mohammad Nayeem Teli

Audio classification is an important task of mapping audio samples into their corresponding labels. Recently, the transformer model with self-attention mechanisms has been adopted in this field. However, existing audio transformers require…

声音 · 计算机科学 2022-02-03 Ke Chen , Xingjian Du , Bilei Zhu , Zejun Ma , Taylor Berg-Kirkpatrick , Shlomo Dubnov

We introduce the well-tempered ensemble (WTE) which is the biased ensemble sampled by well-tempered metadynamics when the energy is used as collective variable. WTE can be designed so as to have approximately the same average energy as the…

统计力学 · 物理学 2015-05-14 M. Bonomi , M. Parrinello

In this paper, the heterogeneous distributed quickest change detection (HetDQCD) with 1-bit non-anonymous feedback is studied. The concept of syndromes is introduced and the family of syndrome-based fusion rules is proposed, which…

信息论 · 计算机科学 2024-05-14 Wen-Hsuan Li , Yu-Chih Huang

Categorizing documents into a given label hierarchy is intuitively appealing due to the ubiquity of hierarchical topic structures in massive text corpora. Although related studies have achieved satisfying performance in fully supervised…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Xiusi Chen , Yu Meng , Jiawei Han

Automated content analysis increasingly supports communication research, yet scaling manual coding into computational pipelines raises concerns about measurement reliability and validity. We introduce a Hierarchical Error Correction (HEC)…

计算与语言 · 计算机科学 2025-10-27 Zhilong Zhao , Yindi Liu