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Finding good correspondences is a critical prerequisite in many feature based tasks. Given a putative correspondence set of an image pair, we propose a neural network which finds correct correspondences by a binary-class classifier and…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Zhi Chen , Fan Yang , Wenbing Tao

In this paper, we are committed to designing a high-performance network for two-view geometry. We first propose a Guided Loss and theoretically establish the direct negative correlation between the loss and Fn-measure by dynamically…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Zhi Chen , Fan Yang , Wenbing Tao

The field of meta-learning has seen a dramatic rise in interest in recent years. In existing meta-learning approaches, learning tasks for training meta-models are usually collected from public datasets, which brings the difficulty of…

Machine Learning · Computer Science 2021-11-23 Zhaoyang Hai , Xiabi Liu , Yuchen Ren , Nouman Q. Soomro

Deep learning network training is usually computationally expensive and intuitively complex. We present a novel network architecture for custom training and weight evaluations. We reformulate the layers as ResNet-similar blocks with certain…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Jishan Shaikh , Adya Sharma , Ankit Chouhan , Avinash Mahawar

Miscalibration - a mismatch between a model's confidence and its correctness - of Deep Neural Networks (DNNs) makes their predictions hard to rely on. Ideally, we want networks to be accurate, calibrated and confident. We show that, as…

Machine Learning · Computer Science 2020-10-27 Jishnu Mukhoti , Viveka Kulharia , Amartya Sanyal , Stuart Golodetz , Philip H. S. Torr , Puneet K. Dokania

Different from deep neural networks for non-graph data classification, graph neural networks (GNNs) leverage the information exchange between nodes (or samples) when representing nodes. The category distribution shows an imbalance or even a…

Machine Learning · Computer Science 2021-10-19 Rui Wang , Weixuan Xiong , Qinghu Hou , Ou Wu

In this study, we consider classification problems based on neural networks in data-imbalanced environment. Learning from an imbalanced data set is one of the most important and practical problems in the field of machine learning. A…

Machine Learning · Statistics 2019-12-02 Muneki Yasuda , Seishirou Ueno

Although many real-world applications, such as disease prediction, and fault detection suffer from class imbalance, most existing graph-based classification methods ignore the skewness of the distribution of classes; therefore, tend to be…

Machine Learning · Computer Science 2024-07-01 Mahdi Mohammadizadeh , Arash Mozhdehi , Yani Ioannou , Xin Wang

In recent years, the node classification task in graph neural networks(GNNs) has developed rapidly, driving the development of research in various fields. However, there are a large number of class imbalances in the graph data, and there is…

Machine Learning · Computer Science 2022-10-13 Min Liu , Siwen Jin , Luo Jin , Shuohan Wang , Yu Fang , Yuliang Shi

Graph Neural Network (GNN) is an emerging technique for graph-based learning tasks such as node classification. In this work, we reveal the vulnerability of GNN to the imbalance of node labels. Traditional solutions for imbalanced…

Machine Learning · Computer Science 2022-02-08 Xiaohe Li , Lijie Wen , Yawen Deng , Fuli Feng , Xuming Hu , Lei Wang , Zide Fan

The Federated Learning setting has a central server coordinating the training of a model on a network of devices. One of the challenges is variable training performance when the dataset has a class imbalance. In this paper, we address this…

Machine Learning · Computer Science 2020-11-13 Dipankar Sarkar , Ankur Narang , Sumit Rai

Understanding why neural networks make certain decisions is pivotal for their use in safety-critical applications. Feature-Guided Analysis (FGA) extracts slices of neural networks relevant to their tasks. Existing feature-guided approaches…

Machine Learning · Computer Science 2025-11-04 Federico Formica , Stefano Gregis , Aurora Francesca Zanenga , Andrea Rota , Mark Lawford , Claudio Menghi

We consider the link prediction problem in a partially observed network, where the objective is to make predictions in the unobserved portion of the network. Many existing methods reduce link prediction to binary classification problem.…

Machine Learning · Statistics 2016-02-23 Bopeng Li , Sougata Chaudhuri , Ambuj Tewari

Although hypergraph neural networks (HGNNs) have emerged as a powerful framework for analyzing complex datasets, their practical performance often remains limited. On one hand, existing networks typically employ a single type of attention…

Machine Learning · Computer Science 2025-11-14 Murong Yang , Shihui Ying , Yue Gao , Xin-Jian Xu

Object detection is widely studied in computer vision filed. In recent years, certain representative deep learning based detection methods along with solid benchmarks are proposed, which boosts the development of related researchs. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Xin Yi , Jiahao Wu , Bo Ma , Yangtong Ou , Longyao Liu

Recently, infrared small target detection has attracted extensive attention. However, due to the small size and the lack of intrinsic features of infrared small targets, the existing methods generally have the problem of inaccurate edge…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Jinmiao Zhao , Chuang Yu , Zelin Shi , Yunpeng Liu , Yingdi Zhang

Link prediction is a fundamental problem in graph data. In its most realistic setting, the problem consists of predicting missing or future links between random pairs of nodes from the set of disconnected pairs. Graph Neural Networks (GNNs)…

Machine Learning · Computer Science 2024-12-03 João Mattos , Zexi Huang , Mert Kosan , Ambuj Singh , Arlei Silva

Outliers introduce significant training challenges in neural networks by propagating erroneous gradients, which can degrade model performance and generalization. We propose the Z-Error Loss, a statistically principled approach that…

Machine Learning · Computer Science 2025-06-04 Guillaume Godin

Deep neural networks (DNNs) for supervised learning can be viewed as a pipeline of the feature extractor (i.e., last hidden layer) and a linear classifier (i.e., output layer) that are trained jointly with stochastic gradient descent (SGD)…

Machine Learning · Computer Science 2022-11-28 Xin Li , Xiangrui Li , Deng Pan , Yao Qiang , Dongxiao Zhu

Humans can often quickly and efficiently solve complex new learning tasks given only a small set of examples. In contrast, modern artificially intelligent systems often require thousands or millions of observations in order to solve even…

Machine Learning · Computer Science 2025-05-08 Christian Raymond
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