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There is a growing demand for explainable, transparent, and data-driven models within the domain of fraud detection. Decisions made by fraud detection models need to be explainable in the event of a customer dispute. Additionally, the…

Machine Learning · Computer Science 2023-12-04 Samantha Visbeek , Erman Acar , Floris den Hengst

To safely deploy deep learning models in the clinic, a quality assurance framework is needed for routine or continuous monitoring of input-domain shift and the models' performance without ground truth contours. In this work, cardiac…

Image and Video Processing · Electrical Eng. & Systems 2023-05-22 Xiyao Jin , Yao Hao , Jessica Hilliard , Zhehao Zhang , Maria A. Thomas , Hua Li , Abhinav K. Jha , Geoffrey D. Hugo

Knowledge distillation has been widely used to compress existing deep learning models while preserving the performance on a wide range of applications. In the specific context of Automatic Speech Recognition (ASR), distillation from…

Machine Learning · Computer Science 2021-07-06 Yan Gao , Titouan Parcollet , Nicholas Lane

Medical imaging datasets are often characterized by extreme class imbalances, where rare pathologies are significantly underrepresented compared to common conditions. This imbalance poses a dual challenge for Open-Set Recognition (OSR):…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Vishal , Arnav Aditya , Nitin Kumar , Saurabh J. Shigwan

While speech-based depression detection methods that use speaker-identity features, such as speaker embeddings, are popular, they often compromise patient privacy. To address this issue, we propose a speaker disentanglement method that…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-07 Jinhan Wang , Vijay Ravi , Abeer Alwan

Models that can handle a wide range of speakers and acoustic conditions are essential in speech emotion recognition (SER). Often, these models tend to show mixed results when presented with speakers or acoustic conditions that were not…

Computation and Language · Computer Science 2022-01-11 Norbert Braunschweiler , Rama Doddipatla , Simon Keizer , Svetlana Stoyanchev

We introduce SCDE, a dataset to evaluate the performance of computational models through sentence prediction. SCDE is a human-created sentence cloze dataset, collected from public school English examinations. Our task requires a model to…

Computation and Language · Computer Science 2020-04-28 Xiang Kong , Varun Gangal , Eduard Hovy

The unified streaming and non-streaming speech recognition model has achieved great success due to its comprehensive capabilities. In this paper, we propose to improve the accuracy of the unified model by bridging the inherent…

Computation and Language · Computer Science 2023-06-02 Yuting Yang , Yuke Li , Binbin Du

While dataset condensation effectively enhances training efficiency, its application in on-device scenarios brings unique challenges. 1) Due to the fluctuating computational resources of these devices, there's a demand for a flexible…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yang He , Lingao Xiao , Joey Tianyi Zhou , Ivor Tsang

The performance of speaker verification (SV) models may drop dramatically in noisy environments. A speech enhancement (SE) module can be used as a front-end strategy. However, existing SE methods may fail to bring performance improvements…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-29 Chi-Chang Lee , Hong-Wei Chen , Chu-Song Chen , Hsin-Min Wang , Tsung-Te Liu , Yu Tsao

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. To improve robustness of speaker recognition system performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Yanpei Shi , Qiang Huang , Thomas Hain

Discrete audio representations, termed audio tokens, are broadly categorized into semantic and acoustic tokens, typically generated through unsupervised tokenization of continuous audio representations. However, their applicability to…

Sound · Computer Science 2025-05-22 Jingguang Tian , Haoqin Sun , Xinhui Hu , Xinkang Xu

The performance of acoustic models degrades notably in noisy environments. Speech enhancement (SE) can be used as a front-end strategy to aid automatic speech recognition (ASR) systems. However, existing training objectives of SE methods…

Sound · Computer Science 2023-11-29 Chi-Chang Lee , Yu Tsao , Hsin-Min Wang , Chu-Song Chen

This paper explores the use of Dutch archival television broadcast data for self-supervised learning of speech foundation models, specifically wav2vec 2.0. We first study data quality assumptions for pre-training, and show how music, noise…

Sound · Computer Science 2025-07-09 Nik Vaessen , Roeland Ordelman , David A. van Leeuwen

Estimating spoken content from silent videos is crucial for applications in Assistive Technology (AT) and Augmented Reality (AR). However, accurately mapping lip movement sequences in videos to words poses significant challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Junxiao Xue , Xiaozhen Liu , Xuecheng Wu , Fei Yu , Jun Wang

Semantic segmentation is an important task for scene understanding in self-driving cars and robotics, which aims to assign dense labels for all pixels in the image. Existing work typically improves semantic segmentation performance by…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Li Wang , Dong Li , Han Liu , Jinzhang Peng , Lu Tian , Yi Shan

Clustering is a fundamental unsupervised representation learning task with wide application in computer vision and pattern recognition. Deep clustering utilizes deep neural networks to learn latent representation, which is suitable for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Wenhao Wu , Weiwei Wang , Shengjiang Kong

A key algorithm for understanding the world is material segmentation, which assigns a label (metal, glass, etc.) to each pixel. We find that a model trained on existing data underperforms in some settings and propose to address this with a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Paul Upchurch , Ransen Niu

While the general idea of self-supervised learning is identical across modalities, the actual algorithms and objectives differ widely because they were developed with a single modality in mind. To get us closer to general self-supervised…

Machine Learning · Computer Science 2022-10-27 Alexei Baevski , Wei-Ning Hsu , Qiantong Xu , Arun Babu , Jiatao Gu , Michael Auli

Most dialogue systems in real world rely on predefined intents and answers for QA service, so discovering potential intents from large corpus previously is really important for building such dialogue services. Considering that most…

Machine Learning · Computer Science 2022-01-20 Feng Wei , Zhenbo Chen , Zhenghong Hao , Fengxin Yang , Hua Wei , Bing Han , Sheng Guo