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Graph Neural Networks (GNNs) are powerful machine learning prediction models on graph-structured data. However, GNNs lack rigorous uncertainty estimates, limiting their reliable deployment in settings where the cost of errors is…

机器学习 · 计算机科学 2023-11-01 Kexin Huang , Ying Jin , Emmanuel Candès , Jure Leskovec

Often we wish to predict a large number of variables that depend on each other as well as on other observed variables. Structured prediction methods are essentially a combination of classification and graphical modeling, combining the…

机器学习 · 统计学 2010-11-19 Charles Sutton , Andrew McCallum

Most existing graph-based semi-supervised hyperspectral image classification methods rely on superpixel partitioning techniques. However, they suffer from misclassification of certain pixels due to inaccuracies in superpixel boundaries,…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Yuqing Zhang , Qi Han , Ligeng Wang , Kai Cheng , Bo Wang , Kun Zhan

Deep learning based image denoising methods have been extensively investigated. In this paper, attention mechanism enhanced kernel prediction networks (AME-KPNs) are proposed for burst image denoising, in which, nearly cost-free attention…

图像与视频处理 · 电气工程与系统科学 2020-01-30 Bin Zhang , Shenyao Jin , Yili Xia , Yongming Huang , Zixiang Xiong

Although CNNs are widely considered as the state-of-the-art models in various applications of image analysis, one of the main challenges still open is the training of a CNN on high resolution images. Different strategies have been proposed…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Nadia Brancati , Giuseppe De Pietro , Daniel Riccio , Maria Frucci

Semantic segmentation has made much progress with increasingly powerful pixel-wise classifiers and incorporating structural priors via Conditional Random Fields (CRF) or Generative Adversarial Networks (GAN). We propose a simpler…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Tsung-Wei Ke , Jyh-Jing Hwang , Ziwei Liu , Stella X. Yu

Graph neural networks (GNNs) have shown great success in learning from graph-based data. The key mechanism of current GNNs is message passing, where a node's feature is updated based on the information passing from its local neighbourhood.…

机器学习 · 计算机科学 2024-05-09 Yongze Wang , Haimin Zhang , Qiang Wu , Min Xu

Graph Neural Networks (GNNs) have achieved notable success in the analysis of non-Euclidean data across a wide range of domains. However, their applicability is constrained by the dependence on the observed graph structure. To solve this…

机器学习 · 计算机科学 2024-09-19 Ziyan Wang , Yaxuan He , Bin Liu

In this work, we address the face parsing task with a Fully-Convolutional continuous CRF Neural Network (FC-CNN) architecture. In contrast to previous face parsing methods that apply region-based subnetwork hundreds of times, our FC-CNN is…

计算机视觉与模式识别 · 计算机科学 2017-08-15 Lei Zhou , Zhi Liu , Xiangjian He

Graph convolutional networks are a new promising learning approach to deal with data on irregular domains. They are predestined to overcome certain limitations of conventional grid-based architectures and will enable efficient handling of…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Lasse Hansen , Jasper Diesel , Mattias P. Heinrich

A key goal of unsupervised learning is to go beyond density estimation and sample generation to reveal the structure inherent within observed data. Such structure can be expressed in the pattern of interactions between explanatory latent…

机器学习 · 计算机科学 2022-11-11 Changmin Yu , Hugo Soulat , Neil Burgess , Maneesh Sahani

In this paper, we propose to incorporate convolutional neural networks with a multi-context attention mechanism into an end-to-end framework for human pose estimation. We adopt stacked hourglass networks to generate attention maps from…

计算机视觉与模式识别 · 计算机科学 2017-02-27 Xiao Chu , Wei Yang , Wanli Ouyang , Cheng Ma , Alan L. Yuille , Xiaogang Wang

Attention-based graph neural networks (GNNs), such as graph attention networks (GATs), have become popular neural architectures for processing graph-structured data and learning node embeddings. Despite their empirical success, these models…

机器学习 · 统计学 2023-06-07 Dexiong Chen , Paolo Pellizzoni , Karsten Borgwardt

Geometric 3D scene classification is a very challenging task. Current methodologies extract the geometric information using only a depth channel provided by an RGB-D sensor. These kinds of methodologies introduce possible errors due to…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Albert Mosella-Montoro , Javier Ruiz-Hidalgo

This paper introduces a deep architecture for segmenting 3D objects into their labeled semantic parts. Our architecture combines image-based Fully Convolutional Networks (FCNs) and surface-based Conditional Random Fields (CRFs) to yield…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Evangelos Kalogerakis , Melinos Averkiou , Subhransu Maji , Siddhartha Chaudhuri

Autoregressive generative models consistently achieve the best results in density estimation tasks involving high dimensional data, such as images or audio. They pose density estimation as a sequence modeling task, where a recurrent neural…

机器学习 · 计算机科学 2017-12-29 Xi Chen , Nikhil Mishra , Mostafa Rohaninejad , Pieter Abbeel

Systematic relations between multiple objects that occur in various fields can be represented as networks. Real-world networks typically exhibit complex topologies whose structural properties are key factors in characterizing and further…

物理与社会 · 物理学 2021-04-09 Yoshihisa Tanaka , Ryosuke Kojima , Shoichi Ishida , Fumiyoshi Yamashita , Yasushi Okuno

We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

计算与语言 · 计算机科学 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

We introduce deep neural networks for the analysis of anatomical shapes that learn a low-dimensional shape representation from the given task, instead of relying on hand-engineered representations. Our framework is modular and consists of…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Benjamin Gutierrez Becker , Ignacio Sarasua , Christian Wachinger

For semi-supervised learning on graphs, we study how initial kernels in a supervised learning regime can be augmented with additional information from known priors or from unsupervised learning outputs. These augmented kernels are…

机器学习 · 计算机科学 2020-03-18 Wolfgang Erb