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Feed-forward neural networks (NN) are a staple machine learning method widely used in many areas of science and technology. While even a single-hidden layer NN is a universal approximator, its expressive power is limited by the use of…

机器学习 · 统计学 2023-09-28 Sergei Manzhos , Manabu Ihara

Rule-based fine-grained IP geolocation methods are hard to generalize in computer networks which do not follow hypothetical rules. Recently, deep learning methods, like multi-layer perceptron (MLP), are tried to increase generalization…

机器学习 · 计算机科学 2023-04-18 Shichang Ding , Xiangyang Luo , Jinwei Wang , Xiaoming Fu

Gaussian Process (GP) regression is a powerful nonparametric Bayesian framework, but its performance depends critically on the choice of covariance kernel. Selecting an appropriate kernel is therefore central to model quality, yet remains…

机器学习 · 计算机科学 2026-01-14 Md Shafiqul Islam , Shakti Prasad Padhy , Douglas Allaire , Raymundo Arróyave

Sparse inverse covariance estimation (i.e., edge de-tection) is an important research problem in recent years, wherethe goal is to discover the direct connections between a set ofnodes in a networked system based upon the observed…

机器学习 · 计算机科学 2021-01-15 Hang Yin , Xinyue Liu , Xiangnan Kong

In this paper, we present Segmentation-Based Grasp Detection Network (SGDN) to predict a feasible robotic grasping for a unsymmetrical three-finger robotic gripper using RGB images. The feasible grasping of a target should be a collection…

机器人学 · 计算机科学 2020-05-20 Dexin Wang

Graph Convolution Networks (GCNs) are becoming more and more popular for learning node representations on graphs. Though there exist various developments on sampling and aggregation to accelerate the training process and improve the…

机器学习 · 计算机科学 2020-10-30 Xu Zou , Qiuye Jia , Jianwei Zhang , Chang Zhou , Hongxia Yang , Jie Tang

Graph Neural Networks (GNNs), particularly Graph Convolutional Neural Networks (GCNNs), have emerged as pivotal instruments in machine learning and signal processing for processing graph-structured data. This paper proposes an analysis…

机器学习 · 统计学 2024-11-04 Xinjue Wang , Esa Ollila , Sergiy A. Vorobyov

While many existing graph neural networks (GNNs) have been proven to perform $\ell_2$-based graph smoothing that enforces smoothness globally, in this work we aim to further enhance the local smoothness adaptivity of GNNs via $\ell_1$-based…

机器学习 · 计算机科学 2021-07-16 Xiaorui Liu , Wei Jin , Yao Ma , Yaxin Li , Hua Liu , Yiqi Wang , Ming Yan , Jiliang Tang

Almost all scientific data have uncertainties originating from different sources. Gaussian process regression (GPR) models are a natural way to model data with Gaussian-distributed uncertainties. GPR also has the benefit of reducing I/O…

机器学习 · 统计学 2025-12-16 Haoyu Li , Isaac J Michaud , Ayan Biswas , Han-Wei Shen

Melanoma is a life-threatening form of skin cancer when left undiagnosed at the early stages. Although there are more cases of non-melanoma cancer than melanoma cancer, melanoma cancer is more deadly. Early detection of melanoma is crucial…

图像与视频处理 · 电气工程与系统科学 2020-05-15 Shreshth Saini , Divij Gupta , Anil Kumar Tiwari

Graph classification is a challenging problem owing to the difficulty in quantifying the similarity between graphs or representing graphs as vectors, though there have been a few methods using graph kernels or graph neural networks (GNNs).…

机器学习 · 计算机科学 2024-08-22 Zixiao Wang , Jicong Fan

Graph convolutional networks (GCNs) have proven to be an effective approach for 3D human pose estimation. By naturally modeling the skeleton structure of the human body as a graph, GCNs are able to capture the spatial relationships between…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Zaedul Islam , A. Ben Hamza

Deep learning (DL) networks have recently been shown to outperform other segmentation methods on various public, medical-image challenge datasets [3,11,16], especially for large pathologies. However, in the context of diseases such as…

计算机视觉与模式识别 · 计算机科学 2018-10-18 Tanya Nair , Doina Precup , Douglas L. Arnold , Tal Arbel

Graph Neural Networks (graph NNs) are a promising deep learning approach for analyzing graph-structured data. However, it is known that they do not improve (or sometimes worsen) their predictive performance as we pile up many layers and add…

机器学习 · 计算机科学 2021-01-07 Kenta Oono , Taiji Suzuki

Node classification using Graph Neural Networks (GNNs) has been widely applied in various practical scenarios, such as predicting user interests and detecting communities in social networks. However, recent studies have shown that…

机器学习 · 计算机科学 2024-08-14 Shuqi He , Jun Zhuang , Ding Wang , Jun Song

Unsupervised lesion detection is a challenging problem that requires accurately estimating normative distributions of healthy anatomy and detecting lesions as outliers without training examples. Recently, this problem has received increased…

图像与视频处理 · 电气工程与系统科学 2020-05-04 Xiaoran Chen , Suhang You , Kerem Can Tezcan , Ender Konukoglu

RGB-D based 6D pose estimation has recently achieved remarkable progress, but still suffers from two major limitations: (1) ineffective representation of depth data and (2) insufficient integration of different modalities. This paper…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Guangyuan Zhou , Huiqun Wang , Jiaxin Chen , Di Huang

We present a Gaussian kernel loss function and training algorithm for convolutional neural networks that can be directly applied to both distance metric learning and image classification problems. Our method treats all training features…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Benjamin J. Meyer , Ben Harwood , Tom Drummond

A fully automatic technique for segmenting the liver and localizing its unhealthy tissues is a convenient tool in order to diagnose hepatic diseases and assess the response to the according treatments. In this work we propose a method to…

计算机视觉与模式识别 · 计算机科学 2017-12-01 Miriam Bellver , Kevis-Kokitsi Maninis , Jordi Pont-Tuset , Xavier Giro-i-Nieto , Jordi Torres , Luc Van Gool

3D Gaussian Splatting (3DGS) has demonstrated impressive Novel View Synthesis (NVS) results in a real-time rendering manner. During training, it relies heavily on the average magnitude of view-space positional gradients to grow Gaussians to…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Qingshan Xu , Jiequan Cui , Xuanyu Yi , Yuxuan Wang , Yuan Zhou , Yew-Soon Ong , Hanwang Zhang
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