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Self-supervised learning (SSL) in the pretraining stage using un-annotated speech data has been successful in low-resource automatic speech recognition (ASR) tasks. However, models trained through SSL are biased to the pretraining data…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-17 Ruchao Fan , Abeer Alwan

Neural speech separation has made remarkable progress and its integration with automatic speech recognition (ASR) is an important direction towards realizing multi-speaker ASR. This work provides an insightful investigation of speech…

Self-training (ST) and self-supervised learning (SSL) methods have demonstrated strong improvements in automatic speech recognition (ASR). In spite of these advances, to the best of our knowledge, there is no analysis of how the composition…

Machine Learning · Computer Science 2023-03-03 Dan Berrebbi , Ronan Collobert , Navdeep Jaitly , Tatiana Likhomanenko

Recent work has explored using self-supervised learning (SSL) speech representations such as wav2vec2.0 as the representation medium in standard two-stage TTS, in place of conventionally used mel-spectrograms. It is however unclear which…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-11 Siyang Wang , Gustav Eje Henter , Joakim Gustafson , Éva Székely

Utilizing Self-Supervised Learning (SSL) models for Speech Emotion Recognition (SER) has proven effective, yet limited research has explored cross-lingual scenarios. This study presents a comparative analysis between human performance and…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-01 Zhichen Han , Tianqi Geng , Hui Feng , Jiahong Yuan , Korin Richmond , Yuanchao Li

Self-supervised learning (SSL), which aims to learn meaningful prior representations from unlabeled data, has been proven effective for skeleton-based action understanding. Different from the image domain, skeleton data possesses sparser…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Jiahang Zhang , Lilang Lin , Shuai Yang , Jiaying Liu

We present a novel frequency-based Self-Supervised Learning (SSL) approach that significantly enhances its efficacy for pre-training. Prior work in this direction masks out pre-defined frequencies in the input image and employs a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Amin Karimi Monsefi , Mengxi Zhou , Nastaran Karimi Monsefi , Ser-Nam Lim , Wei-Lun Chao , Rajiv Ramnath

In this work, we explore Self-supervised Learning (SSL) as an auxiliary task to blend the texture-based local descriptors into feature modelling for efficient face analysis. Combining a primary task and a self-supervised auxiliary task is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Shukesh Reddy , Nishit Poddar , Srijan Das , Abhijit Das

Speech representation learning approaches for non-semantic tasks such as language recognition have either explored supervised embedding extraction methods using a classifier model or self-supervised representation learning approaches using…

Computation and Language · Computer Science 2023-06-08 Shikhar Vashishth , Shikhar Bharadwaj , Sriram Ganapathy , Ankur Bapna , Min Ma , Wei Han , Vera Axelrod , Partha Talukdar

Semi-Supervised Learning (SSL) has become a preferred paradigm in many deep learning tasks, which reduces the need for human labor. Previous studies primarily focus on effectively utilising the labelled and unlabeled data to improve…

Machine Learning · Computer Science 2024-10-29 Qian Shao , Jiangrui Kang , Qiyuan Chen , Zepeng Li , Hongxia Xu , Yiwen Cao , Jiajuan Liang , Jian Wu

With the progress of sensor technology in wearables, the collection and analysis of PPG signals are gaining more interest. Using Machine Learning, the cardiac rhythm corresponding to PPG signals can be used to predict different tasks such…

Signal Processing · Electrical Eng. & Systems 2022-12-20 Ramin Ghorbani , Marcel J. T. Reinders , David M. J. Tax

Self-supervised learning (SSL) has emerged as a promising solution for addressing the challenge of limited labeled data in deep neural networks (DNNs), offering scalability potential. However, the impact of design dependencies within the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Shruthi Gowda , Elahe Arani , Bahram Zonooz

Self-supervised learning (SSL) has shown impressive results in downstream classification tasks. However, there is limited work in understanding their failure modes and interpreting their learned representations. In this paper, we study the…

Machine Learning · Computer Science 2023-12-14 Neha Kalibhat , Kanika Narang , Hamed Firooz , Maziar Sanjabi , Soheil Feizi

Federated Learning (FL) is a privacy-preserving paradigm, allowing edge devices to learn collaboratively without sharing data. Edge devices like Alexa and Siri are prospective sources of unlabeled audio data that can be tapped to learn…

Despite their impressive performance, self-supervised speech models often struggle to generalize to new languages and tend to forget previously acquired knowledge during continual training. To address this, we propose Lamer-SSL, a…

Computation and Language · Computer Science 2026-02-16 Jing Xu , Minglin Wu , Xueyuan Chen , Xixin Wu , Helen Meng

In the era of transformer models, masked self-supervised learning (SSL) has become a foundational training paradigm. A defining feature of masked SSL is that training aggregates predictions across many masking patterns, giving rise to a…

Machine Learning · Statistics 2026-02-02 Arie Wortsman Zurich , Federica Gerace , Bruno Loureiro , Yue M. Lu

Self-supervised learning (SSL) has great potential for molecular representation learning given the complexity of molecular graphs, the large amounts of unlabelled data available, the considerable cost of obtaining labels experimentally, and…

Machine Learning · Computer Science 2023-11-30 Yuankai Luo , Lei Shi , Veronika Thost

Fake speech detection systems have become a necessity to combat against speech deepfakes. Current systems exhibit poor generalizability on out-of-domain speech samples due to lack to diverse training data. In this paper, we attempt to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-27 Rishith Sadashiv T N , Abhishek Bedge , Saisha Suresh Bore , Jagabandhu Mishra , Mrinmoy Bhattacharjee , S R Mahadeva Prasanna

Traditional supervised 3D medical image segmentation models need voxel-level annotations, which require huge human effort, time, and cost. Semi-supervised learning (SSL) addresses this limitation of supervised learning by facilitating…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Suruchi Kumari , Aryan Das , Swalpa Kumar Roy , Indu Joshi , Pravendra Singh

Recent self-supervised learning (SSL) models have proven to learn rich representations of speech, which can readily be utilized by diverse downstream tasks. To understand such utilities, various analyses have been done for speech SSL models…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-24 Cheol Jun Cho , Peter Wu , Abdelrahman Mohamed , Gopala K. Anumanchipalli