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Estimating the position of a speech source based on time-differences-of-arrival (TDOAs) is often adversely affected by background noise and reverberation. A popular method to estimate the TDOA between a microphone pair involves maximizing a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-28 Klaus Brümann , Kouei Yamaoka , Nobutaka Ono , Simon Doclo

Automated Speaking Assessment (ASA) plays a crucial role in evaluating second-language (L2) learners proficiency. However, ASA models often suffer from class imbalance, leading to biased predictions. To address this, we introduce a novel…

Computation and Language · Computer Science 2026-01-22 Fong-Chun Tsai , Kuan-Tang Huang , Bi-Cheng Yan , Tien-Hong Lo , Berlin Chen

This report presents test results for the \mbox{LOCATA} challenge \cite{lollmann2018locata} using the recently developed MCC-PHAT (multichannel cross correlation - phase transform) sound source localization method. The specific tasks…

Audio and Speech Processing · Electrical Eng. & Systems 2018-09-21 Shoufeng Lin

Learning with noisy labels has gained increasing attention because the inevitable imperfect labels in real-world scenarios can substantially hurt the deep model performance. Recent studies tend to regard low-loss samples as clean ones and…

Machine Learning · Computer Science 2024-02-20 Huafeng Liu , Mengmeng Sheng , Zeren Sun , Yazhou Yao , Xian-Sheng Hua , Heng-Tao Shen

Deep learning techniques for medical image analysis usually suffer from the domain shift between source and target data. Most existing works focus on unsupervised domain adaptation (UDA). However, in practical applications, privacy issues…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yixin Chen , Yan Wang

Respiratory sound classification is hindered by the limited size, high noise levels, and severe class imbalance of benchmark datasets like ICBHI 2017. While Transformer-based models offer powerful feature extraction capabilities, they are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-30 Atakan Işık , Selin Vulga Işık , Ahmet Feridun Işık , Mahşuk Taylan

A main challenge in applying deep learning to music processing is the availability of training data. One potential solution is Multi-task Learning, in which the model also learns to solve related auxiliary tasks on additional datasets to…

Sound · Computer Science 2018-04-06 Daniel Stoller , Sebastian Ewert , Simon Dixon

Anomalous sound detection (ASD) typically involves self-supervised proxy tasks to learn feature representations from normal sound data, owing to the scarcity of anomalous samples. In ASD research, proxy tasks such as AutoEncoders operate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-14 Seunghyeon Shin , Seokjin Lee

In recent years, Event Sound Source Localization has been widely applied in various fields. Recent works typically relying on the contrastive learning framework show impressive performance. However, all work is based on large relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yue Li , Baiqiao Yin , Jinfu Liu , Jiajun Wen , Jiaying Lin , Mengyuan Liu

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Ankit Singh

Due to the lack of labels and the domain diversities, it is a challenge to study person re-identification in the cross-domain setting. An admirable method is to optimize the target model by assigning pseudo-labels for unlabeled samples…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Hongliang Zhang , Shoudong Han , Xiaofeng Pan , Jun Zhao

The acquisition of high-quality labeled synthetic aperture radar (SAR) data is challenging due to the demanding requirement for expert knowledge. Consequently, the presence of unreliable noisy labels is unavoidable, which results in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Yimin Fu , Zhunga Liu , Dongxiu Guo , Longfei Wang

RemixIT and Remixed2Remixed are domain adaptation-based speech enhancement (DASE) methods that use a teacher model trained in full supervision to generate pseudo-paired data by remixing the outputs of the teacher model. The student model…

Sound · Computer Science 2024-06-21 Li Li , Shogo Seki

The dominant paradigm for Audio-Text Retrieval (ATR) relies on dual-encoder architectures optimized via mini-batch contrastive learning. However, restricting optimization to local in-batch samples creates a fundamental limitation we term…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-25 Siyuan Fu , Xuchen Guo , Mingjun Liu , Hongxiang Li , Boyin Tan , Gongxi Zhu , Xianwei Zhuang , Jinghan Ru , Yuxin Xie , Yuguo Yin

Domain Adaptation (DA) aims to generalize the classifier learned from the source domain to the target domain. Existing DA methods usually assume that rich labels could be available in the source domain. However, there are usually a large…

Computer Vision and Pattern Recognition · Computer Science 2020-05-11 Wei Wang , Zhihui Wang , Yuankai Xiang , Jing Sun , Haojie Li , Fuming Sun , Zhengming Ding

Indoor localization is a long-standing challenge in mobile computing, with significant implications for enabling location-aware and intelligent applications within smart environments such as homes, offices, and retail spaces. As AI…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Amod K. Agrawal

Dynamic objects in the environment, such as people and other agents, lead to challenges for existing simultaneous localization and mapping (SLAM) approaches. To deal with dynamic environments, computer vision researchers usually apply some…

Robotics · Computer Science 2021-08-04 Tianwei Zhang , Huayan Zhang , Xiaofei Li , Junfeng Chen , Tin Lun Lam , Sethu Vijayakumar

From a machine learning perspective, the human ability localize sounds can be modeled as a non-parametric and non-linear regression problem between binaural spectral features of sound received at the ears (input) and their sound-source…

Sound · Computer Science 2015-02-12 Yuancheng Luo , Dmitry N. Zotkin , Ramani Duraiswami

Real-world training data usually exhibits long-tailed distribution, where several majority classes have a significantly larger number of samples than the remaining minority classes. This imbalance degrades the performance of typical…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Shuang Li , Kaixiong Gong , Chi Harold Liu , Yulin Wang , Feng Qiao , Xinjing Cheng

With the development of deep learning, the field of face anti-spoofing (FAS) has witnessed great progress. FAS is usually considered a classification problem, where each class is assumed to contain a single cluster optimized by softmax…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Qinghong Sun , Zhenfei Yin , Yichao Wu , Yuanhan Zhang , Jing Shao