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A persistent structural weakness in deep clustering is the disconnect between feature learning and cluster assignment. Most architectures invoke an external clustering step, typically k-means, to produce pseudo-labels that guide training,…

机器学习 · 计算机科学 2026-04-03 Giansalvo Cirrincione

Cross-domain few-shot classification induces a much more challenging problem than its in-domain counterpart due to the existence of domain shifts between the training and test tasks. In this paper, we develop a novel Adaptive Parametric…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Marzi Heidari , Abdullah Alchihabi , Qing En , Yuhong Guo

Pairwise difference learning (PDL) has recently been introduced as a new meta-learning technique for regression. Instead of learning a mapping from instances to outcomes in the standard way, the key idea is to learn a function that takes…

机器学习 · 计算机科学 2024-07-01 Mohamed Karim Belaid , Maximilian Rabus , Eyke Hüllermeier

Recent works in domain adaptation always learn domain invariant features to mitigate the gap between the source and target domains by adversarial methods. The category information are not sufficiently used which causes the learned domain…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Lihua Zhou , Mao Ye , Xinpeng Li , Ce Zhu , Yiguang Liu , Xue Li

Large Language Models (LLMs) adapted via contrastive learning excel in general representation learning but struggle in vertical domains like chemistry and law, primarily due to a lack of domain-specific knowledge. This work identifies a…

信息检索 · 计算机科学 2026-01-19 Xiaoyu Liang , Yuchen Peng , Jiale Luo , Wenhao Wang , Haoji Hu , Xincheng Zhou

Long-tailed semi-supervised learning poses a significant challenge in training models with limited labeled data exhibiting a long-tailed label distribution. Current state-of-the-art LTSSL approaches heavily rely on high-quality…

机器学习 · 计算机科学 2024-10-10 Zi-Hao Zhou , Siyuan Fang , Zi-Jing Zhou , Tong Wei , Yuanyu Wan , Min-Ling Zhang

Differentially private (DP) contrastive learning aims to learn general-purpose representations from sensitive data, alleviating the privacy leakage concerns of organizations deploying or sharing embedding models trained on private user…

密码学与安全 · 计算机科学 2026-04-30 Kecen Li , Chen Gong , Zinan Lin , Tianhao Wang , Xiaokui Xiao

Deep neural networks have been widely studied in autonomous driving applications such as semantic segmentation or depth estimation. However, training a neural network in a supervised manner requires a large amount of annotated labels which…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Dongseok Shim , H. Jin Kim

The success of deep learning (DL) is often achieved with large models and high complexity during both training and post-training inferences, hindering training in resource-limited settings. To alleviate these issues, this paper introduces a…

机器学习 · 计算机科学 2025-01-20 En-hui Yang , Shayan Mohajer Hamidi

Although the self-supervised pre-training of transformer models has resulted in the revolutionizing of natural language processing (NLP) applications and the achievement of state-of-the-art results with regard to various benchmarks, this…

计算与语言 · 计算机科学 2023-01-26 Xiang Chen , Xin Xie , Zhen Bi , Hongbin Ye , Shumin Deng , Ningyu Zhang , Huajun Chen

This paper studies continual learning (CL) of a sequence of aspect sentiment classification(ASC) tasks in a particular CL setting called domain incremental learning (DIL). Each task is from a different domain or product. The DIL setting is…

计算与语言 · 计算机科学 2021-12-21 Zixuan Ke , Bing Liu , Hu Xu , Lei Shu

Generalizable semantic segmentation aims to perform well on unseen target domains, a critical challenge due to real-world applications requiring high generalizability. Class-wise prototypes, representing class centroids, serve as…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Yuhang Zhang , Zhengyu Zhang , Muxin Liao , Shishun Tian , Wenbin Zou , Lu Zhang , Chen Xu

Distributional shift between domains poses great challenges to modern machine learning algorithms. The domain generalization (DG) signifies a popular line targeting this issue, where these methods intend to uncover universal patterns across…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Hao Chen , Qi Zhang , Zenan Huang , Haobo Wang , Junbo Zhao

In Zero-Shot Learning (ZSL), embedding-based methods enable knowledge transfer from seen to unseen classes by learning a visual-semantic mapping from seen-class images to class-level semantic prototypes (e.g., attributes). However, these…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Lei Wang , Shiming Chen , Guo-Sen Xie , Ziming Hong , Chaojian Yu , Qinmu Peng , Xinge You

Semantic segmentation models struggle to generalize in the presence of domain shift. In this paper, we introduce contrastive learning for feature alignment in cross-domain adaptation. We assemble both in-domain contrastive pairs and…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Feihu Zhang , Vladlen Koltun , Philip Torr , René Ranftl , Stephan R. Richter

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…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ankit Singh

Domain generalization (DG) is a difficult transfer learning problem aiming to learn a generalizable model for unseen domains. Recent foundation models (FMs) are robust to many distribution shifts and, therefore, should substantially improve…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Xin Zhang , Shixiang Shane Gu , Yutaka Matsuo , Yusuke Iwasawa

Graph contrastive learning (GCL) aims to learn discriminative semantic invariance by contrasting different views of the same graph that share critical topological patterns. However, existing GCL approaches with structural augmentations…

机器学习 · 计算机科学 2025-12-03 Qirui Ji , Bin Qin , Yifan Jin , Yunze Zhao , Chuxiong Sun , Changwen Zheng , Jianwen Cao , Jiangmeng Li

Medical image segmentation is a critical yet challenging task, primarily due to the difficulty of obtaining extensive datasets of high-quality, expert-annotated images. Contrastive learning presents a potential but still problematic…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Shuang Zeng , Lei Zhu , Xinliang Zhang , Hangzhou He , Yanye Lu

Conditional contrastive learning frameworks consider the conditional sampling procedure that constructs positive or negative data pairs conditioned on specific variables. Fair contrastive learning constructs negative pairs, for example,…