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Convolutional neural networks (CNNs) have achieved impressive results on imbalanced image data, but they still have difficulty generalizing to minority classes and their decisions are difficult to interpret. These problems are related…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Damien Dablain , Kristen N. Jacobson , Colin Bellinger , Mark Roberts , Nitesh Chawla

While deep face recognition has benefited significantly from large-scale labeled data, current research is focused on leveraging unlabeled data to further boost performance, reducing the cost of human annotation. Prior work has mostly been…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Aruni RoyChowdhury , Xiang Yu , Kihyuk Sohn , Erik Learned-Miller , Manmohan Chandraker

Apart from discriminative models for classification and object detection tasks, the application of deep convolutional neural networks to basic research utilizing natural imaging data has been somewhat limited; particularly in cases where a…

计算机视觉与模式识别 · 计算机科学 2020-09-22 R. Ian Etheredge , Manfred Schartl , Alex Jordan

Human beings can quickly adapt to environmental changes by leveraging learning experience. However, adapting deep neural networks to dynamic environments by machine learning algorithms remains a challenge. To better understand this issue,…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Shixiang Tang , Peng Su , Dapeng Chen , Wanli Ouyang

Face clustering tasks can learn hierarchical semantic information from large-scale data, which has the potential to help facilitate face recognition. However, there are few works on this problem. This paper explores it by proposing a joint…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Zhenduo Zhang

Owe to the rapid development of deep neural network (DNN) techniques and the emergence of large scale face databases, face recognition has achieved a great success in recent years. During the training process of DNN, the face features and…

计算机视觉与模式识别 · 计算机科学 2018-01-18 Xianbiao Qi , Lei Zhang

Causal representation learning (CRL) models aim to transform high-dimensional data into a latent space, enabling interventions to generate counterfactual samples or modify existing data based on the causal relationships among latent…

机器学习 · 计算机科学 2026-03-19 Alireza Sadeghi , Wael AbdAlmageed

Domain adaptation (DA) aims to transfer knowledge from a label-rich and related domain (source domain) to a label-scare domain (target domain). Pseudo-labeling has recently been widely explored and used in DA. However, this line of research…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Yunlong Zhang , Changxing Jing , Huangxing Lin , Chaoqi Chen , Yue Huang , Xinghao Ding , Yang Zou

Training models on highly unbalanced data is admitted to be a challenging task for machine learning algorithms. Current studies on deep learning mainly focus on data sets with balanced class labels or unbalanced data, but with massive…

机器学习 · 计算机科学 2020-02-27 Louis Marceau , Lingling Qiu , Nick Vandewiele , Eric Charton

Automatic skin lesion classification from dermoscopy images is important for the early diagnosis of skin diseases such as melanoma. Class imbalance in skin lesion datasets, notably the defects in the representation of malignant(cancerous)…

定量方法 · 定量生物学 2025-12-19 Ariful Islam Khandaker , Abdullah Al Shafi , Mohiuddin Ahmad

Learning a deep model from small data is yet an opening and challenging problem. We focus on one-shot classification by deep learning approach based on a small quantity of training samples. We proposed a novel deep learning approach named…

机器学习 · 计算机科学 2018-02-13 Chuanyun Xu , Yang Zhang , Xin Feng , YongXing Ge , Yihao Zhang , Jianwu Long

To visualize the regions of interest that classifiers base their decisions on, different Class Activation Mapping (CAM) methods have been developed. However, all of these techniques target categorical classifiers only, though most…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Xinyi Zhang , Johanna Sophie Bieri , Manuel Günther

Real-world datasets are often highly class-imbalanced, which can adversely impact the performance of deep learning models. The majority of research on training neural networks under class imbalance has focused on specialized loss functions,…

机器学习 · 计算机科学 2023-12-06 Ravid Shwartz-Ziv , Micah Goldblum , Yucen Lily Li , C. Bayan Bruss , Andrew Gordon Wilson

The main requisite for fine-grained recognition task is to focus on subtle discriminative details that make the subordinate classes different from each other. We note that existing methods implicitly address this requirement and leave it to…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Guolei Sun , Hisham Cholakkal , Salman Khan , Fahad Shahbaz Khan , Ling Shao

Diffusion-based models have shown the merits of generating high-quality visual data while preserving better diversity in recent studies. However, such observation is only justified with curated data distribution, where the data samples are…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Yiming Qin , Huangjie Zheng , Jiangchao Yao , Mingyuan Zhou , Ya Zhang

Financial sector and especially the insurance industry collect vast volumes of text on a daily basis and through multiple channels (their agents, customer care centers, emails, social networks, and web in general). The information collected…

计算与语言 · 计算机科学 2023-02-10 Amir Namavar Jahromi , Ebrahim Pourjafari , Hadis Karimipour , Amit Satpathy , Lovell Hodge

Contrastive learning has emerged as a powerful framework for learning generalizable representations, yet its theoretical understanding remains limited, particularly under imbalanced data distributions that are prevalent in real-world…

机器学习 · 计算机科学 2026-02-12 Haixu Liao , Yating Zhou , Songyang Zhang , Meng Wang , Shuai Zhang

The aim of Active Learning is to select the most informative samples from an unlabelled set of data. This is useful in cases where the amount of data is large and labelling is expensive, such as in machine vision or medical imaging. Two…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Julien Combes , Alexandre Derville , Jean-François Coeurjolly

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

机器学习 · 计算机科学 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

In conventional deep learning, the number of neurons typically remains fixed during training. However, insights from biology suggest that the human hippocampus undergoes continuous neuron generation and pruning of neurons over the course of…

机器学习 · 计算机科学 2025-07-15 Taigo Sakai , Kazuhiro Hotta