Pick and choose: a GNN-based imbalanced learning approach for fraud detection

Y Liu, X Ao, Z Qin, J Chi, J Feng, H Yang… - Proceedings of the web …, 2021 - dl.acm.org
Graph-based fraud detection approaches have escalated lots of attention recently due to the
abundant relational information of graph-structured data, which may be beneficial for the …

Rethinking the value of labels for improving class-imbalanced learning

Y Yang, Z Xu - Advances in neural information processing …, 2020 - proceedings.neurips.cc
Real-world data often exhibits long-tailed distributions with heavy class imbalance, posing
great challenges for deep recognition models. We identify a persisting dilemma on the value …

Class-balanced loss based on effective number of samples

Y Cui, M Jia, TY Lin, Y Song… - Proceedings of the …, 2019 - openaccess.thecvf.com
With the rapid increase of large-scale, real-world datasets, it becomes critical to address the
problem of long-tailed data distribution (ie, a few classes account for most of the data, while …

Rethinking class-balanced methods for long-tailed visual recognition from a domain adaptation perspective

MA Jamal, M Brown, MH Yang… - Proceedings of the …, 2020 - openaccess.thecvf.com
Object frequency in the real world often follows a power law, leading to a mismatch between
datasets with long-tailed class distributions seen by a machine learning model and our …

Beyond linear subspace clustering: A comparative study of nonlinear manifold clustering algorithms

M Abdolali, N Gillis - Computer Science Review, 2021 - Elsevier
Subspace clustering is an important unsupervised clustering approach. It is based on the
assumption that the high-dimensional data points are approximately distributed around …

Self-supervised convolutional subspace clustering network

J Zhang, CG Li, C You, X Qi… - Proceedings of the …, 2019 - openaccess.thecvf.com
Subspace clustering methods based on data self-expression have become very popular for
learning from data that lie in a union of low-dimensional linear subspaces. However, the …

Hyperspectral remote sensing benchmark database for oil spill detection with an isolation forest-guided unsupervised detector

P Duan, X Kang, P Ghamisi, S Li - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Oil spill detection has attracted increasing attention in recent years, since marine oil spill
accidents severely affect environments, natural resources, and the lives of coastal …

Learning a self-expressive network for subspace clustering

S Zhang, C You, R Vidal, CG Li - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
State-of-the-art subspace clustering methods are based on the self-expressive model, which
represents each data point as a linear combination of other data points. However, such …

On supervised class-imbalanced learning: An updated perspective and some key challenges

S Das, SS Mullick, I Zelinka - IEEE Transactions on Artificial …, 2022 - ieeexplore.ieee.org
The problem of class imbalance has always been considered as a significant challenge to
traditional machine learning and the emerging deep learning research communities. A …

Superpixel contracted neighborhood contrastive subspace clustering network for hyperspectral images

Y Cai, Z Zhang, P Ghamisi, Y Ding, X Liu… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Deep subspace clustering (DSC) has achieved remarkable performances in the
unsupervised classification of hyperspectral images. However, previous models based on …