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Self-supervised pre-training methods based on contrastive learning or regression tasks can utilize more unlabeled data to improve the performance of automatic speech recognition (ASR). However, the robustness impact of combining the two…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Qiu-Shi Zhu , Long Zhou , Jie Zhang , Shu-Jie Liu , Yu-Chen Hu , Li-Rong Dai

The Information Bottleneck (IB) principle offers a compelling theoretical framework to understand how neural networks (NNs) learn. However, its practical utility has been constrained by unresolved theoretical ambiguities and significant…

Machine Learning · Computer Science 2026-02-02 Charles Westphal , Stephen Hailes , Mirco Musolesi

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

In recent years, several unsupervised, "contrastive" learning algorithms in vision have been shown to learn representations that perform remarkably well on transfer tasks. We show that this family of algorithms maximizes a lower bound on…

Machine Learning · Computer Science 2020-06-08 Mike Wu , Chengxu Zhuang , Milan Mosse , Daniel Yamins , Noah Goodman

The effectiveness of a model is heavily reliant on the quality of the fusion representation of multiple modalities in multimodal sentiment analysis. Moreover, each modality is extracted from raw input and integrated with the rest to…

Machine Learning · Computer Science 2023-12-06 Cong-Duy Nguyen , Thong Nguyen , Duc Anh Vu , Luu Anh Tuan

Graph contrastive learning has achieved great success in pre-training graph neural networks without ground-truth labels. Leading graph contrastive learning follows the classical scheme of contrastive learning, forcing model to identify the…

Machine Learning · Computer Science 2024-12-12 Junran Wu , Xueyuan Chen , Shangzhe Li

Multi-label image classification presents a challenging task in many domains, including computer vision and medical imaging. Recent advancements have introduced graph-based and transformer-based methods to improve performance and capture…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ahmad Sajedi , Samir Khaki , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Pretext Invariant Representation Learning (PIRL) followed by Supervised Fine-Tuning (SFT) has become a standard paradigm for learning with limited labels. We extend this approach to the Positive Unlabeled (PU) setting, where only a small…

Machine Learning · Computer Science 2025-04-11 Anish Acharya , Li Jing , Bhargav Bhushanam , Dhruv Choudhary , Michael Rabbat , Sujay Sanghavi , Inderjit S Dhillon

The availability of large, unlabeled datasets across various domains has contributed to the development of a plethora of methods that learn representations for multiple target (downstream) tasks through self-supervised pre-training. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-06 Christos Garoufis , Athanasia Zlatintsi , Petros Maragos

Learning effective joint embedding for cross-modal data has always been a focus in the field of multimodal machine learning. We argue that during multimodal fusion, the generated multimodal embedding may be redundant, and the discriminative…

Machine Learning · Computer Science 2022-12-06 Sijie Mai , Ying Zeng , Haifeng Hu

Contrastive learning has become a popular approach in natural language processing, particularly for the learning of sentence embeddings. However, the discrete nature of natural language makes it difficult to ensure the quality of positive…

Computation and Language · Computer Science 2023-05-23 Qinyuan Cheng , Xiaogui Yang , Tianxiang Sun , Linyang Li , Xipeng Qiu

Contrastive learning has achieved promising performance in the field of multi-view clustering recently. However, the positive and negative sample construction mechanisms ignoring semantic consistency lead to false negative pairs, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Siwen Liu , Jinyan Liu , Hanning Yuan , Qi Li , Jing Geng , Ziqiang Yuan , Huaxu Han

In seismic interpretation, pixel-level labels of various rock structures can be time-consuming and expensive to obtain. As a result, there oftentimes exists a non-trivial quantity of unlabeled data that is left unused simply because…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

Prompt learning has been designed as an alternative to fine-tuning for adapting Vision-language (V-L) models to the downstream tasks. Previous works mainly focus on text prompt while visual prompt works are limited for V-L models. The…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Chen Xu , Yuhan Zhu , Haocheng Shen , Boheng Chen , Yixuan Liao , Xiaoxin Chen , Limin Wang

Recommender systems are essential for modern content platforms, yet traditional behavior-based models often struggle with cold users who have limited interaction data. Engaging these users is crucial for platform growth. To bridge this gap,…

Information Retrieval · Computer Science 2025-10-13 Lin Wang , Weisong Wang , Xuanji Xiao , Qing Li

Accurate identification of antiviral peptides (AVPs) is critical for accelerating novel drug development. However, current computational methods struggle to capture intricate sequence dependencies and effectively handle ambiguous,…

Machine Learning · Computer Science 2025-12-29 Xinru Wen , Weizhong Lin , Xuan Xiao

This paper addresses the challenges of complex dependencies and diverse anomaly patterns in cloud service environments by proposing a dependency modeling and anomaly detection method that integrates contrastive learning. The method…

Machine Learning · Computer Science 2025-10-16 Yue Xing , Yingnan Deng , Heyao Liu , Ming Wang , Yun Zi , Xiaoxuan Sun

In standard supervised machine learning, it is necessary to provide a label for every input in the data. While raw data in many application domains is easily obtainable on the Internet, manual labelling of this data is prohibitively…

Machine Learning · Computer Science 2023-09-07 Konstantinos Christopher Tsiolis

Recently, learning from vast unlabeled data, especially self-supervised learning, has been emerging and attracted widespread attention. Self-supervised learning followed by the supervised fine-tuning on a few labeled examples can…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Wentao Zhu , Hang Shang , Tingxun Lv , Chao Liao , Sen Yang , Ji Liu

Deep learning models often learn and exploit spurious correlations in training data, using these non-target features to inform their predictions. Such reliance leads to performance degradation and poor generalization on unseen data. To…

Computation and Language · Computer Science 2025-11-21 Kyohoon Jin , Juhwan Choi , Jungmin Yun , Junho Lee , Soojin Jang , Youngbin Kim