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The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

人工智能 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

The burgeoning presence of multimodal content-sharing platforms propels the development of personalized recommender systems. Previous works usually suffer from data sparsity and cold-start problems, and may fail to adequately explore…

信息检索 · 计算机科学 2025-04-24 Xu Guo , Tong Zhang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

Recently, large-scale visual language pre-trained (VLP) models have demonstrated impressive performance across various downstream tasks. Motivated by these advancements, pioneering efforts have emerged in multi-label image recognition with…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Leilei Ma , Hongxing Xie , Lei Wang , Yanping Fu , Dengdi Sun , Haifeng Zhao

Accurate interpretation of Magnetic Resonance Imaging scans in clinical systems is based on a precise understanding of image contrast. This contrast is primarily governed by acquisition parameters, such as echo time and repetition time,…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Mehmet Yigit Avci , Pedro Borges , Paul Wright , Mehmet Yigitsoy , Sebastien Ourselin , Jorge Cardoso

The segmentation of endoscopic images plays a vital role in computer-aided diagnosis and treatment. The advancements in deep learning have led to the employment of numerous models for endoscopic tumor segmentation, achieving promising…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Lingcong Cai , Yun Li , Xiaomao Fan , Kaixuan Song , Ruxin Wang , Wenbin Lei

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Long-tailed recognition with imbalanced class distribution naturally emerges in practical machine learning applications. Existing methods such as data reweighing, resampling, and supervised contrastive learning enforce the class balance…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chengkai Hou , Jieyu Zhang , Haonan Wang , Tianyi Zhou

Recently, as an effective way of learning latent representations, contrastive learning has been increasingly popular and successful in various domains. The success of constrastive learning in single-label classifications motivates us to…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Son D. Dao , Ethan Zhao , Dinh Phung , Jianfei Cai

Semi-supervised learning (SSL) has achieved great success in leveraging a large amount of unlabeled data to learn a promising classifier. A popular approach is pseudo-labeling that generates pseudo labels only for those unlabeled data with…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Qinyi Deng , Yong Guo , Zhibang Yang , Haolin Pan , Jian Chen

Motivation: Despite recent advancements in semantic representation driven by pre-trained and large-scale language models, addressing long tail challenges in multi-label text classification remains a significant issue. Long tail challenges…

计算与语言 · 计算机科学 2025-03-12 Yan Yan , Junyuan Liu , Bo-Wen Zhang

Multimodal contrastive learning (MCL) has shown remarkable advances in zero-shot classification by learning from millions of image-caption pairs crawled from the Internet. However, this reliance poses privacy risks, as hackers may…

多媒体 · 计算机科学 2024-07-29 Xinwei Liu , Xiaojun Jia , Yuan Xun , Siyuan Liang , Xiaochun Cao

Computational social science (CSS) practitioners often rely on human-labeled data to fine-tune supervised text classifiers. We assess the potential for researchers to augment or replace human-generated training data with surrogate training…

计算与语言 · 计算机科学 2024-06-26 Nicholas Pangakis , Samuel Wolken

Variational mutual information (MI) estimators are widely used in unsupervised representation learning methods such as contrastive predictive coding (CPC). A lower bound on MI can be obtained from a multi-class classification problem, where…

机器学习 · 计算机科学 2020-12-04 Jiaming Song , Stefano Ermon

This paper presents a novel positive and negative set selection strategy for contrastive learning of medical images based on labels that can be extracted from clinical data. In the medical field, there exists a variety of labels for data…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

Multi-label class-incremental learning (MLCIL) is essential for real-world multi-label applications, allowing models to learn new labels while retaining previously learned knowledge continuously. However, recent MLCIL approaches can only…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Kaile Du , Yifan Zhou , Fan Lyu , Yuyang Li , Junzhou Xie , Yixi Shen , Fuyuan Hu , Guangcan Liu

Large language models (LLMs) are powerful zero- and few-shot learners. However, when predicting over a set of candidate options, LLMs suffer from label biases, and existing calibration methods overlook biases arising from multi-token class…

计算与语言 · 计算机科学 2025-11-19 Mario Sanz-Guerrero , Katharina von der Wense

Multi-label image recognition with partial labels (MLR-PL) is designed to train models using a mix of known and unknown labels. Traditional methods rely on semantic or feature correlations to create pseudo-labels for unidentified labels…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Haoxian Ruan , Zhihua Xu , Zhijing Yang , Guang Ma , Jieming Xie , Changxiang Fan , Tianshui Chen

Recently, multimodal contrastive learning (MMCL) approaches, such as CLIP, have achieved a remarkable success in learning representations that are robust against distribution shift and generalize to new domains. Despite the empirical…

机器学习 · 计算机科学 2024-03-19 Yihao Xue , Siddharth Joshi , Dang Nguyen , Baharan Mirzasoleiman

Advancements in technologies related to working with omics data require novel computation methods to fully leverage information and help develop a better understanding of human diseases. This paper studies the effects of introducing graph…

基因组学 · 定量生物学 2023-10-17 Nishant Rajadhyaksha , Aarushi Chitkara

Class imbalance and label noise are pervasive in large-scale datasets, yet much of machine learning research assumes well-labeled, balanced data, which rarely reflects real world conditions. Existing approaches typically address either…