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We propose a new method for statistical inference in generalized linear models. In the overparameterized regime, Principal Component Regression (PCR) reduces variance by projecting high-dimensional data to a low-dimensional principal…

机器学习 · 统计学 2026-04-27 Yixuan Florence Wu , Yilun Zhu , Lei Cao , Naichen Shi

In recent years, there has been remarkable progress in the field of digital pathology, driven by the ability to model complex tissue patterns using advanced deep-learning algorithms. However, the robustness of these models is often severely…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Pratibha Kumari , Daniel Reisenbüchler , Lucas Luttner , Nadine S. Schaadt , Friedrich Feuerhake , Dorit Merhof

Most existing contrastive learning-based sequential recommendation (SR) methods rely on random operations (e.g., crop, reorder, and substitute) to generate augmented sequences. These methods often struggle to create positive sample pairs…

信息检索 · 计算机科学 2025-03-27 Wei Wang , Yujie Lin , Jianli Zhao , Moyan Zhang , Pengjie Ren , Xianye Ben , Yujun Li

Survival prediction of cancers is crucial for clinical practice, as it informs mortality risks and influences treatment plans. However, a static model trained on a single dataset fails to adapt to the dynamically evolving clinical…

机器学习 · 计算机科学 2026-01-21 Dianzhi Yu , Conghao Xiong , Yankai Chen , Wenqian Cui , Xinni Zhang , Yifei Zhang , Hao Chen , Joseph J. Y. Sung , Irwin King

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

信息检索 · 计算机科学 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

In neural networks, continual learning results in gradient interference among sequential tasks, leading to catastrophic forgetting of old tasks while learning new ones. This issue is addressed in recent methods by storing the important…

机器学习 · 计算机科学 2023-02-06 Gobinda Saha , Kaushik Roy

With the capacity of continual learning, humans can continuously acquire knowledge throughout their lifespan. However, computational systems are not, in general, capable of learning tasks sequentially. This long-standing challenge for deep…

机器学习 · 计算机科学 2022-08-05 Qihan Yang , Fan Feng , Rosa Chan

Recently, the usage of Contrastive Representation Learning (CRL) as a pre-training technique improves the performance of learning with noisy labels (LNL) methods. However, instead of pre-training, when trivially combining CRL loss with LNL…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Xiaoyu Liu , Beitong Zhou , Zuogong Yue , Cheng Cheng

Reservoir computing is a brain-inspired machine learning framework for processing temporal data by mapping inputs into high-dimensional spaces. Physical reservoir computers (PRCs) leverage native fading memory and nonlinearity in physical…

新兴技术 · 计算机科学 2024-05-16 Ahmed S. Mohamed , Anurag Dhungel , Md Sakib Hasan , Joseph S. Najem

Deep learning (DL) has shown state-of-the-art performance in trajectory prediction, which is critical to safe navigation in autonomous driving (AD). However, most DL-based methods suffer from catastrophic forgetting, where adapting to a new…

人工智能 · 计算机科学 2025-08-12 Yunlong Lin , Zirui Li , Guodong Du , Xiaocong Zhao , Cheng Gong , Xinwei Wang , Chao Lu , Jianwei Gong

Point cloud place recognition (PCPR) determines the geo-location within a prebuilt map and plays a crucial role in geoscience and robotics applications such as autonomous driving, intelligent transportation, and augmented reality. In…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Xianghong Zou , Jianping Li , Zhe Chen , Zhen Cao , Zhen Dong , Qiegen Liu , Bisheng Yang

In the field of automatic Electrocardiogram (ECG) diagnosis, due to the relatively limited amount of labeled data, how to build a robust ECG pretrained model based on unlabeled data is a key area of focus for researchers. Recent…

信号处理 · 电气工程与系统科学 2025-06-10 Xiaoyu Sun , Yang Yang , Xunde Dong

Contrastive learning has achieved great success in self-supervised visual representation learning, but existing approaches mostly ignored spatial information which is often crucial for visual representation. This paper presents…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Xinyue Huo , Lingxi Xie , Longhui Wei , Xiaopeng Zhang , Hao Li , Zijie Yang , Wengang Zhou , Houqiang Li , Qi Tian

Clustering continues to be a significant and challenging task. Recent studies have demonstrated impressive results by applying clustering to feature representations acquired through self-supervised learning, particularly on small datasets.…

机器学习 · 计算机科学 2023-07-19 Fei Ding , Dan Zhang , Yin Yang , Venkat Krovi , Feng Luo

While contrastive learning is proven to be an effective training strategy in computer vision, Natural Language Processing (NLP) is only recently adopting it as a self-supervised alternative to Masked Language Modeling (MLM) for improving…

计算与语言 · 计算机科学 2021-09-16 Hooman Sedghamiz , Shivam Raval , Enrico Santus , Tuka Alhanai , Mohammad Ghassemi

Face Anti-Spoofing (FAS) is recently studied under the continual learning setting, where the FAS models are expected to evolve after encountering the data from new domains. However, existing methods need extra replay buffers to store…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Rizhao Cai , Yawen Cui , Zhi Li , Zitong Yu , Haoliang Li , Yongjian Hu , Alex Kot

What matters for contrastive learning? We argue that contrastive learning heavily relies on informative features, or "hard" (positive or negative) features. Early works include more informative features by applying complex data…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Jiangmeng Li , Wenwen Qiang , Changwen Zheng , Bing Su , Hui Xiong

Anomaly detection aims at identifying deviant samples from the normal data distribution. Contrastive learning has provided a successful way to sample representation that enables effective discrimination on anomalies. However, when…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Gaoang Wang , Yibing Zhan , Xinchao Wang , Mingli Song , Klara Nahrstedt

In the current context of data explosion, online techniques that do not require storing all data in memory are indispensable to routinely perform tasks like principal component analysis (PCA). Recursive algorithms that update the PCA with…

机器学习 · 统计学 2015-11-13 Hervé Cardot , David Degras

Self-supervised learning, especially contrastive learning, has made an outstanding contribution to the development of many deep learning research fields. Recently, researchers in the acoustic signal processing field noticed its success and…

声音 · 计算机科学 2022-04-05 Dong Yao , Zhou Zhao , Shengyu Zhang , Jieming Zhu , Yudong Zhu , Rui Zhang , Xiuqiang He
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