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相关论文: Long-tail Cross Modal Hashing

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Cross-modal hashing is an important approach for multimodal data management and application. Existing unsupervised cross-modal hashing algorithms mainly rely on data features in pre-trained models to mine their similarity relationships.…

信息检索 · 计算机科学 2022-07-12 Liang Li , Baihua Zheng , Weiwei Sun

Chest X-rays (CXR) often reveal rare diseases, demanding precise diagnosis. However, current computer-aided diagnosis (CAD) methods focus on common diseases, leading to inadequate detection of rare conditions due to the absence of…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Haoran Lai , Qingsong Yao , Zhiyang He , Xiaodong Tao , S Kevin Zhou

Real-world data often exhibits a long-tailed distribution, in which head classes occupy most of the data, while tail classes only have very few samples. Models trained on long-tailed datasets have poor adaptability to tail classes and the…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Qiong Chen , Tianlin Huang , Geren Zhu , Enlu Lin

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

机器学习 · 计算机科学 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Recent developments in large language models (LLMs) have led to their widespread usage for various tasks. The prevalence of LLMs in society implores the assurance on the reliability of their performance. In particular, risk-sensitive…

机器学习 · 计算机科学 2025-02-28 Catherine Yu-Chi Chen , Jingyan Shen , Zhun Deng , Lihua Lei

Fusing data from multiple modalities provides more information to train machine learning systems. However, it is prohibitively expensive and time-consuming to label each modality with a large amount of data, which leads to a crucial problem…

计算机视觉与模式识别 · 计算机科学 2020-07-15 Xinwei Sun , Yilun Xu , Peng Cao , Yuqing Kong , Lingjing Hu , Shanghang Zhang , Yizhou Wang

Imbalanced music genre classification is a crucial task in the Music Information Retrieval (MIR) field for identifying the long-tail, data-poor genre based on the related music audio segments, which is very prevalent in real-world…

声音 · 计算机科学 2022-09-12 Xiaokai Liu , Menghua Zhang

Integrating supervised contrastive loss to cross entropy-based communication has recently been proposed as a solution to address the long-tail learning problem. However, when the class imbalance ratio is high, it requires adjusting the…

机器学习 · 计算机科学 2024-07-10 Charika De Alvis , Dishanika Denipitiyage , Suranga Seneviratne

Training data for class-conditional image synthesis often exhibit a long-tailed distribution with limited images for tail classes. Such an imbalance causes mode collapse and reduces the diversity of synthesized images for tail classes. For…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Fang Chen , Alex Villa , Gongbo Liang , Xiaoyi Lu , Meng Tang

Multimodal machine learning (MML) is rapidly reshaping the way mental-health disorders are detected, characterized, and longitudinally monitored. Whereas early studies relied on isolated data streams -- such as speech, text, or wearable…

机器学习 · 计算机科学 2025-06-25 Zahraa Al Sahili , Ioannis Patras , Matthew Purver

Few-shot image classification remains a critical challenge in the field of computer vision, particularly in data-scarce environments. Existing methods typically rely on pre-trained visual-language models, such as CLIP. However, due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xi Yang , Pai Peng , Wulin Xie , Xiaohuan Lu , Jie Wen

With the emergence of diverse data collection techniques, objects in real applications can be represented as multi-modal features. What's more, objects may have multiple semantic meanings. Multi-modal and Multi-label (MMML) problem becomes…

机器学习 · 计算机科学 2019-07-30 Yi Zhang , Cheng Zeng , Hao Cheng , Chongjun Wang , Lei Zhang

Robust multimodal visual analytics remains challenging when heterogeneous modalities provide complementary but input-dependent evidence for decision-making.Existing multimodal learning methods mainly rely on fixed fusion modules or…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Tianyi Liu , Yiming Li , Wenqian Wang , Jiaojiao Wang , Chen Cai , Yi Wang , Kim-Hui Yap

We consider causal discovery in structural causal models driven by heavy-tailed noise, where extremes carry important information about causal direction. We introduce the Heavy-Tailed Homogeneous Structural Causal Model (HT-HSCM), a unified…

统计理论 · 数学 2026-04-07 Vishal Routh , Shuyang Bai

Known for efficient computation and easy storage, hashing has been extensively explored in cross-modal retrieval. The majority of current hashing models are predicated on the premise of a direct one-to-one mapping between data points.…

信息检索 · 计算机科学 2024-05-29 Jianzong Wang , Haoxiang Shi , Kaiyi Luo , Xulong Zhang , Ning Cheng , Jing Xiao

Hash representation learning of multi-view heterogeneous data is the key to improving the accuracy of multimedia retrieval. However, existing methods utilize local similarity and fall short of deeply fusing the multi-view features,…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Jian Zhu , Wen Cheng , Yu Cui , Chang Tang , Yuyang Dai , Yong Li , Lingfang Zeng

Multimodal learning leverages complementary information derived from different modalities, thereby enhancing performance in medical image segmentation. However, prevailing multimodal learning methods heavily rely on extensive well-annotated…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Xiaogen Zhou , Yiyou Sun , Min Deng , Winnie Chiu Wing Chu , Qi Dou

Existing approaches for unsupervised 3D point cloud segmentation predominantly rely on a purely visual similarity-based learning-by-clustering paradigm, which suffers from a fundamental limitation: long-tail ambiguity. In such a paradigm,…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Siqi Wei , Hongbin Xu , Feng Xiao , Tian Lan , Chun Li , Ming Li , Qiuxia Wu

Hashing has been widely applied to multimodal retrieval on large-scale multimedia data due to its efficiency in computation and storage. In this article, we propose a novel deep semantic multimodal hashing network (DSMHN) for scalable…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Lu Jin , Zechao Li , Jinhui Tang

We present an elegant and effective approach for addressing limitations in existing multi-label classification models by incorporating interaction matching, a concept shown to be useful for ad-hoc search result ranking. By performing soft…

计算与语言 · 计算机科学 2020-05-19 Sean MacAvaney , Franck Dernoncourt , Walter Chang , Nazli Goharian , Ophir Frieder
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