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In the context of noisy partial label learning (NPLL), each training sample is associated with a set of candidate labels annotated by multiple noisy annotators. With the emergence of high-performance pre-trained vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Qian-Wei Wang , Yaguang Song , Shu-Tao Xia

It becomes urgent to design effective anti-spoofing algorithms for vulnerable automatic speaker verification systems due to the advancement of high-quality playback devices. Current studies mainly treat anti-spoofing as a binary…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Yongqiang Dou , Haocheng Yang , Maolin Yang , Yanyan Xu , Dengfeng Ke

Since the introduction of Masked Autoencoders, various improvements to masking techniques have been explored. In this paper, we rethink masking strategies for audio representation learning using masked prediction-based self-supervised…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-26 Daisuke Niizumi , Daiki Takeuchi , Masahiro Yasuda , Binh Thien Nguyen , Noboru Harada , Nobutaka Ono

Variable selection for high-dimensional, highly correlated data has long been a challenging problem, often yielding unstable and unreliable models. We propose a resample-aggregate framework that exploits diffusion models' ability to…

Methodology · Statistics 2025-08-20 Minjie Wang , Xiaotong Shen , Wei Pan

While Vision-Language Models (VLMs) and Multimodal Large Language Models (MLLMs) have shown strong generalisation in detecting image and video deepfakes, their use for audio deepfake detection remains largely unexplored. In this work, we…

Sound · Computer Science 2026-01-05 Akanksha Chuchra , Shukesh Reddy , Sudeepta Mishra , Abhijit Das , Abhinav Dhall

While deep learning (DL)-based methods have achieved remarkable success in continuous wireless resource allocation, efficient solutions for problems involving discrete variables remain challenging. This is primarily due to the zero-gradient…

Machine Learning · Computer Science 2026-03-23 Yikun Wang , Yang Li , Yik-Chung Wu , Rui Zhang

Audio-Visual Source Localization (AVSL) is the task of identifying specific sounding objects in the scene given audio cues. In our work, we focus on semi-supervised AVSL with pseudo-labeling. To address the issues with vanilla hard…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Yuxin Guo , Shijie Ma , Yuhao Zhao , Hu Su , Wei Zou

Weak signal learning (WSL) is a common challenge in many fields like fault diagnosis, medical imaging, and autonomous driving, where critical information is often masked by noise and interference, making feature identification difficult.…

Machine Learning · Computer Science 2025-12-30 Xianqi Liu , Xiangru Li , Lefeng He , Ziyu Fang

Image classification technology and performance based on Deep Learning have already achieved high standards. Nevertheless, many efforts have conducted to improve the stability of classification via ensembling. However, the existing ensemble…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 YeongHyeon Park , JoonSung Lee , Wonseok Park

In this paper, we present a novel training method for speaker change detection models. Speaker change detection is often viewed as a binary sequence labelling problem. The main challenges with this approach are the vagueness of annotated…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-17 Joonas Kalda , Tanel Alumäe

Recent advancements in audio-aware large language models (ALLMs) enable them to process and understand audio inputs. However, these models often hallucinate non-existent sound events, reducing their reliability in real-world applications.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-02 Chun-Yi Kuan , Hung-yi Lee

Representation disentanglement is an important goal of representation learning that benefits various downstream tasks. To achieve this goal, many unsupervised learning representation disentanglement approaches have been developed. However,…

Machine Learning · Computer Science 2022-09-23 Jiageng Zhu , Hanchen Xie , Wael Abd-Almageed

Advances in automatic speaker verification (ASV) promote research into the formulation of spoofing detection systems for real-world applications. The performance of ASV systems can be degraded severely by multiple types of spoofing attacks,…

Sound · Computer Science 2024-08-27 Zhenyu Wang , John H. L. Hansen

Unsupervised anomalous sound detection aims to detect unknown anomalous sounds by training a model using only normal audio data. Despite advancements in self-supervised methods, the issue of frequent false alarms when handling samples of…

Sound · Computer Science 2025-09-19 Shun Huang , Zhihua Fang , Liang He

This paper describes the UZH-CL system submitted to the SASV section of the WildSpoof 2026 challenge. The challenge focuses on the integrated defense against generative spoofing attacks by requiring the simultaneous verification of speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 Aref Farhadipour , Ming Jin , Valeriia Vyshnevetska , Xiyang Li , Elisa Pellegrino , Srikanth Madikeri

We investigate the convergence rates and data sample sizes required for training a machine learning model using a stochastic gradient descent (SGD) algorithm, where data points are sampled based on either their loss value or uncertainty…

Machine Learning · Computer Science 2024-11-26 Daniel Haimovich , Dima Karamshuk , Fridolin Linder , Niek Tax , Milan Vojnovic

We address the challenge of detecting synthesized speech under distribution shifts -- arising from unseen synthesis methods, speakers, languages, or audio conditions -- relative to the training data. Few-shot learning methods are a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-20 Ashi Garg , Zexin Cai , Henry Li Xinyuan , Leibny Paola García-Perera , Kevin Duh , Sanjeev Khudanpur , Matthew Wiesner , Nicholas Andrews

Approaches to continual learning aim to successfully learn a set of related tasks that arrive in an online manner. Recently, several frameworks have been developed which enable deep learning to be deployed in this learning scenario. A key…

Machine Learning · Statistics 2020-06-17 Tameem Adel , Han Zhao , Richard E. Turner

Recently deep neural networks have been successfully used for various classification tasks, especially for problems with massive perfectly labeled training data. However, it is often costly to have large-scale credible labels in real-world…

Machine Learning · Computer Science 2019-01-15 Mingxiao An , Yongzhou Chen , Qi Liu , Chuanren Liu , Guangyi Lv , Fangzhao Wu , Jianhui Ma

Automatic speaker verification, like every other biometric system, is vulnerable to spoofing attacks. Using only a few minutes of recorded voice of a genuine client of a speaker verification system, attackers can develop a variety of…

Sound · Computer Science 2019-06-20 Balamurali BT , Kin Wah Edward Lin , Simon Lui , Jer-Ming Chen , Dorien Herremans