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The long-tailed distribution datasets poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balacing strategies or transfer learing from…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Gongzhe Li , Zhiwen Tan , Linpeng Pan

The visual world naturally exhibits a long-tailed distribution of open classes, which poses great challenges to modern visual systems. Existing approaches either perform class re-balancing strategies or directly improve network modules to…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Teli Ma , Shijie Geng , Mengmeng Wang , Jing Shao , Jiasen Lu , Hongsheng Li , Peng Gao , Yu Qiao

Long-tailed relation classification is a challenging problem as the head classes may dominate the training phase, thereby leading to the deterioration of the tail performance. Existing solutions usually address this issue via…

机器学习 · 计算机科学 2023-01-26 Haiyang Yu , Ningyu Zhang , Shumin Deng , Zonggang Yuan , Yantao Jia , Huajun Chen

Long-tailed recognition has benefited from foundation models and fine-tuning paradigms, yet existing studies and benchmarks are mainly confined to natural image domains, where pre-training and fine-tuning data share similar distributions.…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Jiahao Chen , Bing Su

Long-tail class incremental learning (LT CIL) remains highly challenging because the scarcity of samples in tail classes not only hampers their learning but also exacerbates catastrophic forgetting under continuously evolving and imbalanced…

人工智能 · 计算机科学 2026-03-24 Xi Wang , Xu Yang , Donghao Sun , Cheng Deng

Conventional detectors suffer from performance degradation when dealing with long-tailed data due to a classification bias towards the majority head categories. In this paper, we contend that the learning bias originates from two factors:…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Tianhao Qi , Hongtao Xie , Pandeng Li , Jiannan Ge , Yongdong Zhang

Real-world data usually present long-tailed distributions. Training on imbalanced data tends to render neural networks perform well on head classes while much worse on tail classes. The severe sparseness of training instances for the tail…

机器学习 · 计算机科学 2021-11-10 Chaozheng Wang , Shuzheng Gao , Cuiyun Gao , Pengyun Wang , Wenjie Pei , Lujia Pan , Zenglin Xu

Existing plant disease classification models have achieved remarkable performance in recognizing in-laboratory diseased images. However, their performance often significantly degrades in classifying in-the-wild images. Furthermore, we…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Tianqi Wei , Zhi Chen , Zi Huang , Xin Yu

Label noise is one of the key factors that lead to the poor generalization of deep learning models. Existing label-noise learning methods usually assume that the ground-truth classes of the training data are balanced. However, the…

机器学习 · 计算机科学 2023-08-15 Yang Lu , Yiliang Zhang , Bo Han , Yiu-ming Cheung , Hanzi Wang

Long-tailed learning has attracted much attention recently, with the goal of improving generalisation for tail classes. Most existing works use supervised learning without considering the prevailing noise in the training dataset. To move…

机器学习 · 计算机科学 2021-08-27 Tong Wei , Jiang-Xin Shi , Wei-Wei Tu , Yu-Feng Li

Classification on long-tailed distributed data is a challenging problem, which suffers from serious class-imbalance and hence poor performance on tail classes with only a few samples. Owing to this paucity of samples, learning on the tail…

计算与语言 · 计算机科学 2022-07-25 Taha ValizadehAslani , Yiwen Shi , Jing Wang , Ping Ren , Yi Zhang , Meng Hu , Liang Zhao , Hualou Liang

Medical image data are usually imbalanced across different classes. One-class classification has attracted increasing attention to address the data imbalance problem by distinguishing the samples of the minority class from the majority…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Shandong Wu

Deep learning-based models, when trained in a fully-supervised manner, can be effective in performing complex image analysis tasks, although contingent upon the availability of large labeled datasets. Especially in the medical imaging…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Ayaan Haque , Abdullah-Al-Zubaer Imran , Adam Wang , Demetri Terzopoulos

Real-world data is extremely imbalanced and presents a long-tailed distribution, resulting in models that are biased towards classes with sufficient samples and perform poorly on rare classes. Recent methods propose to rebalance classes but…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Weiqi Li , Fan Lyu , Fanhua Shang , Liang Wan , Wei Feng

Training on datasets with long-tailed distributions has been challenging for major recognition tasks such as classification and detection. To deal with this challenge, image resampling is typically introduced as a simple but effective…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Nadine Chang , Zhiding Yu , Yu-Xiong Wang , Anima Anandkumar , Sanja Fidler , Jose M. Alvarez

Multiple Instance Learning (MIL) plays a significant role in computational pathology, enabling weakly supervised analysis of Whole Slide Image (WSI) datasets. The field of WSI analysis is confronted with a severe long-tailed distribution…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Xitong Ling , Yifeng Ping , Jiawen Li , Jing Peng , Yuxuan Chen , Minxi Ouyang , Yizhi Wang , Yonghong He , Tian Guan , Xiaoping Liu , Lianghui Zhu

Human coders assign standardized medical codes to clinical documents generated during patients' hospitalization, which is error-prone and labor-intensive. Automated medical coding approaches have been developed using machine learning…

计算与语言 · 计算机科学 2022-09-13 Wei Sun , Shaoxiong Ji , Erik Cambria , Pekka Marttinen

Real-world data usually couples the label ambiguity and heavy imbalance, challenging the algorithmic robustness of partial label learning (PLL) and long-tailed learning (LT). The straightforward combination of LT and PLL, i.e., LT-PLL,…

机器学习 · 计算机科学 2023-02-13 Feng Hong , Jiangchao Yao , Zhihan Zhou , Ya Zhang , Yanfeng Wang

The visual world naturally exhibits an imbalance in the number of object or scene instances resulting in a \emph{long-tailed distribution}. This imbalance poses significant challenges for classification models based on deep learning.…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Rahul Vigneswaran , Marc T. Law , Vineeth N. Balasubramanian , Makarand Tapaswi

The problem of long-tailed recognition, where the number of examples per class is highly unbalanced, is considered. While training with class-balanced sampling has been shown effective for this problem, it is known to over-fit to few-shot…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Bo Liu , Haoxiang Li , Hao Kang , Gang Hua , Nuno Vasconcelos