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In real-world classification tasks, each class often comprises multiple finer-grained "subclasses." As the subclass labels are frequently unavailable, models trained using only the coarser-grained class labels often exhibit highly variable…

机器学习 · 计算机科学 2022-04-12 Nimit S. Sohoni , Jared A. Dunnmon , Geoffrey Angus , Albert Gu , Christopher Ré

Fine-grained category discovery using only coarse-grained supervision is a cost-effective yet challenging task. Previous training methods focus on aligning query samples with positive samples and distancing them from negatives. They often…

人工智能 · 计算机科学 2025-02-07 Chang Tian , Matthew B. Blaschko , Wenpeng Yin , Mingzhe Xing , Yinliang Yue , Marie-Francine Moens

Given data with label noise (i.e., incorrect data), deep neural networks would gradually memorize the label noise and impair model performance. To relieve this issue, curriculum learning is proposed to improve model performance and…

机器学习 · 计算机科学 2022-08-23 Tingting Wu , Xiao Ding , Hao Zhang , Jinglong Gao , Li Du , Bing Qin , Ting Liu

Multi-label classification (MLC) problems are becoming increasingly popular in the context of medical imaging. This has in part been driven by the fact that acquiring annotations for MLC is far less burdensome than for semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Thomas Kurmann , Pablo Marquez Neila , Sebastian Wolf , Raphael Sznitman

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

Since the rise of deep learning, many computer vision tasks have seen significant advancements. However, the downside of deep learning is that it is very data-hungry. Especially for segmentation problems, training a deep neural net requires…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Robby Neven , Davy Neven , Bert De Brabandere , Marc Proesmans , Toon Goedemé

Fine-grained image recognition is a longstanding computer vision challenge that focuses on differentiating objects belonging to multiple subordinate categories within the same meta-category. Since images belonging to the same meta-category…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Yifan Pu , Yizeng Han , Yulin Wang , Junlan Feng , Chao Deng , Gao Huang

Deep metric learning has yielded impressive results in tasks such as clustering and image retrieval by leveraging neural networks to obtain highly discriminative feature embeddings, which can be used to group samples into different classes.…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Ismail Elezi , Jenny Seidenschwarz , Laurin Wagner , Sebastiano Vascon , Alessandro Torcinovich , Marcello Pelillo , Laura Leal-Taixe

Fine-grained image classification is a challenging task due to the large intra-class variance and small inter-class variance, aiming at recognizing hundreds of sub-categories belonging to the same basic-level category. Most existing…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Xiangteng He , Yuxin Peng

Although multi-view multi-label learning has been extensively studied, research on the dual-missing scenario, where both views and labels are incomplete, remains largely unexplored. Existing methods mainly rely on contrastive learning or…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Xu Yan , Jun Yin , Shiliang Sun , Minghua Wan

Class labels used for machine learning are relatable to each other, with certain class labels being more similar to each other than others (e.g. images of cats and dogs are more similar to each other than those of cats and cars). Such…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Gautam Rajendrakumar Gare , John Michael Galeotti

Labeling a classification dataset implies to define classes and associated coarse labels, that may approximate a smoother and more complicated ground truth. For example, natural images may contain multiple objects, only one of which is…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Raphael Baena , Lucas Drumetz , Vincent Gripon

Real-world object classes appear in imbalanced ratios. This poses a significant challenge for classifiers which get biased towards frequent classes. We hypothesize that improving the generalization capability of a classifier should improve…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Munawar Hayat , Salman Khan , Waqas Zamir , Jianbing Shen , Ling Shao

Metric learning has become an attractive field for research on the latest years. Loss functions like contrastive loss, triplet loss or multi-class N-pair loss have made possible generating models capable of tackling complex scenarios with…

机器学习 · 计算机科学 2019-05-28 Alfonso Medela , Artzai Picon

Deep learning-based fine-grained network intrusion detection systems (NIDS) enable different attacks to be responded to in a fast and targeted manner with the help of large-scale labels. However, the cost of labeling causes insufficient…

密码学与安全 · 计算机科学 2023-08-02 Xinran Zheng , Shuo Yang , Xingjun Wang

Fine-grained visual categorization (FGVC) aims to discriminate similar subcategories, whose main challenge is the large intraclass diversities and subtle inter-class differences. Existing FGVC methods usually select discriminant regions…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Yu Wang , Shuo Ye , Shujian Yu , Xinge You

While semi-supervised learning (SSL) has yielded promising results, the more realistic SSL scenario remains to be explored, in which the unlabeled data exhibits extremely high recognition difficulty, e.g., fine-grained visual classification…

机器学习 · 计算机科学 2023-12-20 Yue Duan , Zhen Zhao , Lei Qi , Luping Zhou , Lei Wang , Yinghuan Shi

A reliable fault diagnosis system should not only accurately classify known health states but also effectively identify unknown faults. In multimode processes, samples belonging to the same health state often show multiple cluster…

机器学习 · 计算机科学 2025-11-13 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Treating class with a single center may hardly capture data distribution complexities. Using multiple sub-centers is an alternative way to address this problem. However, highly correlated sub-classes, the classifier's parameters grow…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Zhemin Zhang , Xun Gong

Multi-label classification is a widely encountered problem in daily life, where an instance can be associated with multiple classes. In theory, this is a supervised learning method that requires a large amount of labeling. However,…

计算机视觉与模式识别 · 计算机科学 2023-08-02 XIn Zhang , Yuqi Song , Fei Zuo , Xiaofeng Wang