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Imbalanced data distributions are prevalent in real-world scenarios, posing significant challenges in both imbalanced classification and imbalanced regression tasks. They often cause deep learning models to overfit in areas of high sample…

机器学习 · 计算机科学 2025-03-31 Guangkun Nie , Gongzheng Tang , Shenda Hong

Deep neural networks (DNNs) have achieved state-of-the-art results in various pattern recognition tasks. However, they perform poorly on out-of-distribution adversarial examples i.e. inputs that are specifically crafted by an adversary to…

密码学与安全 · 计算机科学 2019-05-09 Chirag Agarwal , Anh Nguyen , Dan Schonfeld

The long-tailed distribution is a common phenomenon in the real world. Extracted large scale image datasets inevitably demonstrate the long-tailed property and models trained with imbalanced data can obtain high performance for the…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Konstantinos Panagiotis Alexandridis , Shan Luo , Anh Nguyen , Jiankang Deng , Stefanos Zafeiriou

The backbone of traditional CNN classifier is generally considered as a feature extractor, followed by a linear layer which performs the classification. We propose a novel loss function, termed as CAM-loss, to constrain the embedded feature…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Chaofei Wang , Jiayu Xiao , Yizeng Han , Qisen Yang , Shiji Song , Gao Huang

Person re-identification (ReID) is an important task in computer vision. Recently, deep learning with a metric learning loss has become a common framework for ReID. In this paper, we also propose a new metric learning loss with hard sample…

计算机视觉与模式识别 · 计算机科学 2017-10-10 Qiqi Xiao , Hao Luo , Chi Zhang

Ocular biometric systems working in unconstrained environments usually face the problem of small within-class compactness caused by the multiple factors that jointly degrade the quality of the obtained data. In this work, we propose an…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Luiz A. Zanlorensi , Hugo Proença , David Menotti

In this paper, we adopt a probability distribution estimation perspective to explore the optimization mechanisms of supervised classification using deep neural networks. We demonstrate that, when employing the Fenchel-Young loss, despite…

机器学习 · 计算机科学 2025-04-01 Binchuan Qi , Wei Gong , Li Li

Many algorithms for surface registration risk producing significant errors if surfaces are significantly nonisometric. Manifold learning has been shown to be effective at improving registration quality, using information from an entire…

图形学 · 计算机科学 2021-01-13 Robert J. Ravier

The classification loss functions used in deep neural network classifiers can be grouped into two categories based on maximizing the margin in either Euclidean or angular spaces. Euclidean distances between sample vectors are used during…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Hakan Cevikalp , Hasan Saribas

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

Segmentation using deep learning has shown promising directions in medical imaging as it aids in the analysis and diagnosis of diseases. Nevertheless, a main drawback of deep models is that they require a large amount of pixel-level labels,…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Sukesh Adiga , Jose Dolz , Herve Lombaert

The datasets of face recognition contain an enormous number of identities and instances. However, conventional methods have difficulty in reflecting the entire distribution of the datasets because a mini-batch of small size contains only a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Yonghyun Kim , Wonpyo Park , Jongju Shin

Deep learning techniques are recently being used in fundus image analysis and diabetic retinopathy detection. Microaneurysms are an important indicator of diabetic retinopathy progression. We introduce a two-stage deep learning approach for…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Mhd Hasan Sarhan , Shadi Albarqouni , Mehmet Yigitsoy , Nassir Navab , Abouzar Eslami

Federated learning (FL) inevitably confronts the challenge of system heterogeneity in practical scenarios. To enhance the capabilities of most model-homogeneous FL methods in handling system heterogeneity, we propose a training scheme that…

机器学习 · 计算机科学 2024-02-27 Yun-Hin Chan , Rui Zhou , Running Zhao , Zhihan Jiang , Edith C. -H. Ngai

The representation degeneration problem is a phenomenon that is widely observed among self-supervised learning methods based on Transformers. In NLP, it takes the form of anisotropy, a singular property of hidden representations which makes…

计算与语言 · 计算机科学 2024-01-25 Nathan Godey , Éric de la Clergerie , Benoît Sagot

Deep learning-based models generalize better to unknown data samples after being guided "where to look" by incorporating human perception into training strategies. We made an observation that the entropy of the model's salience trained in…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Jacob Piland , Adam Czajka , Christopher Sweet

Recently, the field of few-shot detection within remote sensing imagery has witnessed significant advancements. Despite these progresses, the capacity for continuous conceptual learning still poses a significant challenge to existing…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Wuzhou Li , Jiawei Zhou , Xiang Li , Yi Cao , Guang Jin , Xuemin Zhang

This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach. The key contribution of this method is to…

机器学习 · 计算机科学 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah , MohammadTaghi Hajiaghayi

Federated learning (FL) is a decentralized machine learning paradigm in which multiple clients collaboratively train a shared model without sharing their local private data. However, real-world applications of FL frequently encounter…

机器学习 · 计算机科学 2025-08-14 Zhekai Zhou , Shudong Liu , Zhaokun Zhou , Yang Liu , Qiang Yang , Yuesheng Zhu , Guibo Luo

Deep-embedding methods aim to discover representations of a domain that make explicit the domain's class structure and thereby support few-shot learning. Disentangling methods aim to make explicit compositional or factorial structure. We…

机器学习 · 计算机科学 2018-05-22 Karl Ridgeway , Michael C. Mozer