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To reduce the human annotation efforts, the programmatic weak supervision (PWS) paradigm abstracts weak supervision sources as labeling functions (LFs) and involves a label model to aggregate the output of multiple LFs to produce training…

机器学习 · 计算机科学 2023-03-09 Renzhi Wu , Shen-En Chen , Jieyu Zhang , Xu Chu

Deep learning techniques have provided significant improvements in hyperspectral image (HSI) classification. The current deep learning based HSI classifiers follow a patch-based learning framework by dividing the image into overlapping…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Zhuo Zheng , Yanfei Zhong , Ailong Ma , Liangpei Zhang

Neural network (NN) designed for challenging machine learning tasks is in general a highly nonlinear mapping that contains massive variational parameters. High complexity of NN, if unbounded or unconstrained, might unpredictably cause…

机器学习 · 计算机科学 2025-05-23 Yong Qing , Ke Li , Peng-Fei Zhou , Shi-Ju Ran

We propose to study the problem of few-shot learning with the prism of inference on a partially observed graphical model, constructed from a collection of input images whose label can be either observed or not. By assimilating generic…

机器学习 · 统计学 2018-02-21 Victor Garcia , Joan Bruna

Convolutional Neural Networks (CNNs) are the predominant model used for a variety of medical image analysis tasks. At inference time, these models are computationally intensive, especially with volumetric data. In principle, it is possible…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Jose Javier Gonzalez Ortiz , John Guttag , Adrian Dalca

Graph neural networks (GNNs) achieve remarkable success in graph-based semi-supervised node classification, leveraging the information from neighboring nodes to improve the representation learning of target node. The success of GNNs at node…

机器学习 · 计算机科学 2020-07-28 Bingbing Xu , Junjie Huang , Liang Hou , Huawei Shen , Jinhua Gao , Xueqi Cheng

In this paper a new and different neural network, called Zhang Neural Network (ZNN) is appropriated from discrete time-varying matrix problems and applied to the angle parameter-varying matrix field of values (FoV) problem. This problem…

数值分析 · 数学 2019-04-25 Frank Uhlig

Graph Neural Networks (GNNs) are emerging as powerful tools for nonlinear Model Order Reduction (MOR) of time-dependent parameterized Partial Differential Equations (PDEs). However, existing methodologies struggle to combine geometric…

机器学习 · 计算机科学 2026-01-19 Lorenzo Tomada , Federico Pichi , Gianluigi Rozza

This work presents and analyzes three convolutional neural network (CNN) models for efficient pixelwise classification of images. When using convolutional neural networks to classify single pixels in patches of a whole image, a lot of…

计算机视觉与模式识别 · 计算机科学 2015-09-14 Fabian Tschopp

The encoder-decoder framework is state-of-the-art for offline semantic image segmentation. Since the rise in autonomous systems, real-time computation is increasingly desirable. In this paper, we introduce fast segmentation convolutional…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Rudra P K Poudel , Stephan Liwicki , Roberto Cipolla

Graph Neural Networks (GNNs) are prominent in handling sparse and unstructured data efficiently and effectively. Specifically, GNNs were shown to be highly effective for node classification tasks, where labelled information is available for…

机器学习 · 计算机科学 2022-12-01 Moshe Eliasof , Eldad Haber , Eran Treister

Few-shot image classification aims at recognizing unseen categories with a small number of labeled training data. Recent metric-based frameworks tend to represent a support class by a fixed prototype (e.g., the mean of the support category)…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Yaohui Li , Huaxiong Li , Haoxing Chen , Chunlin Chen

Recent years have witnessed the emerging success of graph neural networks (GNNs) for modeling structured data. However, most GNNs are designed for homogeneous graphs, in which all nodes and edges belong to the same types, making them…

机器学习 · 计算机科学 2020-03-04 Ziniu Hu , Yuxiao Dong , Kuansan Wang , Yizhou Sun

Graph neural networks have pushed state-of-the-arts in graph classifications recently. Typically, these methods are studied within the context of supervised end-to-end training, which necessities copious task-specific labels. However, in…

机器学习 · 计算机科学 2023-06-01 Xiao Luo , Yusheng Zhao , Yifang Qin , Wei Ju , Ming Zhang

Few-shot learning aims to learn novel categories from very few samples given some base categories with sufficient training samples. The main challenge of this task is the novel categories are prone to dominated by color, texture, shape of…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Riquan Chen , Tianshui Chen , Xiaolu Hui , Hefeng Wu , Guanbin Li , Liang Lin

Hypergraphs provide a natural framework to model higher-order interactions in scientific, social, and biological systems. Hypergraph neural networks (HGNNs) aim to learn from such data, yet it remains unclear which higher-order structures…

Graph Neural Networks (GNNs) have been predominant for graph learning tasks; however, recent studies showed that a well-known graph algorithm, Label Propagation (LP), combined with a shallow neural network can achieve comparable performance…

机器学习 · 计算机科学 2022-12-01 Zhiqiang Zhong , Sergey Ivanov , Jun Pang

Hyperspectral imagery is rich in spatial and spectral information. Using 3D-CNN can simultaneously acquire features of spatial and spectral dimensions to facilitate classification of features, but hyperspectral image information spectral…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Guandong Li , Chunju Zhang

This paper presents HGEN that pioneers ensemble learning for heterogeneous graphs. We argue that the heterogeneity in node types, nodal features, and local neighborhood topology poses significant challenges for ensemble learning,…

机器学习 · 计算机科学 2026-02-05 Jiajun Shen , Yufei Jin , Yi He , Xingquan Zhu

We present a framework of Training Free Graph Matching (TFGM) to boost the performance of Graph Neural Networks (GNNs) based graph matching, providing a fast promising solution without training (training-free). TFGM provides four widely…

机器学习 · 计算机科学 2022-02-15 Zhiyuan Liu , Yixin Cao , Fuli Feng , Xiang Wang , Jie Tang , Kenji Kawaguchi , Tat-Seng Chua