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Real-world data consistently exhibits a long-tailed distribution, often spanning multiple categories. This complexity underscores the challenge of content comprehension, particularly in scenarios requiring Long-Tailed Multi-Label image…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Jiexuan Yan , Sheng Huang , Nankun Mu , Luwen Huangfu , Bo Liu

In the real open world, data tends to follow long-tailed class distributions, motivating the well-studied long-tailed recognition (LTR) problem. Naive training produces models that are biased toward common classes in terms of higher…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Shaden Alshammari , Yu-Xiong Wang , Deva Ramanan , Shu Kong

Long-tailed visual recognition has received increasing attention in recent years. Due to the extremely imbalanced data distribution in long-tailed learning, the learning process shows great uncertainties. For example, the predictions of…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Zichang Tan , Jun Li , Jinhao Du , Jun Wan , Zhen Lei , Guodong Guo

Many data distributions in the real world are hardly uniform. Instead, skewed and long-tailed distributions of various kinds are commonly observed. This poses an interesting problem for machine learning, where most algorithms assume or work…

机器学习 · 计算机科学 2024-04-25 Charika de Alvis , Suranga Seneviratne

Recent developments in gradient-based attention modeling have seen attention maps emerge as a powerful tool for interpreting convolutional neural networks. Despite good localization for an individual class of interest, these techniques…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Lezi Wang , Ziyan Wu , Srikrishna Karanam , Kuan-Chuan Peng , Rajat Vikram Singh , Bo Liu , Dimitris N. Metaxas

Confidence alone is often misleading in hyperspectral image classification, as models tend to mistake high predictive scores for correctness while lacking awareness of uncertainty. This leads to confirmation bias, especially under sparse…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Muzhou Yang , Wuzhou Quan , Mingqiang Wei

Simplicity Bias (SB) is a phenomenon that deep neural networks tend to rely favorably on simpler predictive patterns but ignore some complex features when applied to supervised discriminative tasks. In this work, we investigate SB in…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Xiu-Shen Wei , Xuhao Sun , Yang Shen , Anqi Xu , Peng Wang , Faen Zhang

Deep neural networks have demonstrated remarkable advancements in various fields using large, well-annotated datasets. However, real-world data often exhibit long-tailed distributions and label noise, significantly degrading generalization…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Jae Soon Baik , In Young Yoon , Kun Hoon Kim , Jun Won Choi

Large-scale object detection and instance segmentation face a severe data imbalance. The finer-grained object classes become, the less frequent they appear in our datasets. However, at test-time, we expect a detector that performs well for…

计算机视觉与模式识别 · 计算机科学 2023-01-25 Jang Hyun Cho , Philipp Krähenbühl

Real-world data often have a long-tailed distribution, where the number of samples per class is not equal over training classes. The imbalanced data form a biased feature space, which deteriorates the performance of the recognition model.…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Minki Jeong , Changick Kim

Recognizing images with long-tailed distributions remains a challenging problem while there lacks an interpretable mechanism to solve this problem. In this study, we formulate Long-tailed recognition as Domain Adaption (LDA), by modeling…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Zhiliang Peng , Wei Huang , Zonghao Guo , Xiaosong Zhang , Jianbin Jiao , Qixiang Ye

In modern randomized experiments, large-scale data collection increasingly yields rich baseline covariates and auxiliary information from multiple sources. Such information offers opportunities for more precise treatment effect estimation,…

统计方法学 · 统计学 2026-03-10 Wei Ma , Zeqi Wu , Zheng Zhang

Coherent anti-Stokes Raman scattering (CARS) spectroscopy is a powerful and rapid technique widely used in medicine, material science, and chemical analyses. However, its effectiveness is hindered by the presence of a non-resonant…

As the class size grows, maintaining a balanced dataset across many classes is challenging because the data are long-tailed in nature; it is even impossible when the sample-of-interest co-exists with each other in one collectable unit,…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Kaihua Tang , Jianqiang Huang , Hanwang Zhang

Class imbalance, which is also called long-tailed distribution, is a common problem in classification tasks based on machine learning. If it happens, the minority data will be overwhelmed by the majority, which presents quite a challenge…

机器学习 · 计算机科学 2023-03-29 Jia-Chen Zhao

Sharpness-aware minimization (SAM) improves generalization of various deep learning tasks. Motivated by popular architectures such as LoRA, we explore the implicit regularization of SAM for scale-invariant problems involving two groups of…

机器学习 · 计算机科学 2024-10-22 Bingcong Li , Liang Zhang , Niao He

In the real world, long-tailed data distributions are prevalent, making it challenging for models to effectively learn and classify tail classes. However, we discover that in the field of drug chemistry, certain tail classes exhibit higher…

机器学习 · 计算机科学 2025-04-08 Yujia Su , Xinjie Li , Lionel Z. Wang

Real-world large-scale datasets are both noisily labeled and class-imbalanced. The issues seriously hurt the generalization of trained models. It is hence significant to address the simultaneous incorrect labeling and class-imbalance, i.e.,…

机器学习 · 计算机科学 2023-11-08 Manyi Zhang , Xuyang Zhao , Jun Yao , Chun Yuan , Weiran Huang

Despite the recent success of deep neural networks, it remains challenging to effectively model the long-tail class distribution in visual recognition tasks. To address this problem, we first investigate the performance bottleneck of the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Songyang Zhang , Zeming Li , Shipeng Yan , Xuming He , Jian Sun

Balancing performance trade-off on long-tail (LT) data distributions remains a long-standing challenge. In this paper, we posit that this dilemma stems from a phenomenon called "tail performance degradation" (the model tends to severely…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Shenghan Chen , Yiming Liu , Yanzhen Wang , Yujia Wang , Xiankai Lu