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Graph Neural Networks (GNN) have been extensively used to extract meaningful representations from graph structured data and to perform predictive tasks such as node classification and link prediction. In recent years, there has been a lot…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Arijit Sehanobish , Neal G. Ravindra , David van Dijk

Over the last few years, deep learning techniques have yielded significant improvements in image inpainting. However, many of these techniques fail to reconstruct reasonable structures as they are commonly over-smoothed and/or blurry. This…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Kamyar Nazeri , Eric Ng , Tony Joseph , Faisal Z. Qureshi , Mehran Ebrahimi

Graph neural networks (GNNs), which propagate the node features through the edges and learn how to transform the aggregated features under label supervision, have achieved great success in supervised feature extraction for both node-level…

机器学习 · 统计学 2022-11-01 Yilin He , Chaojie Wang , Hao Zhang , Bo Chen , Mingyuan Zhou

We propose a novel method for network inference from partially observed edges using a node-specific degree prior. The degree prior is derived from observed edges in the network to be inferred, and its hyper-parameters are determined by…

机器学习 · 统计学 2016-02-09 Qingming Tang , Lifu Tu , Weiran Wang , Jinbo Xu

A good object segmentation should contain clear contours and complete regions. However, mask-based segmentation can not handle contour features well on a coarse prediction grid, thus causing problems of blurry edges. While contour-based…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Junwen Chen , Yi Lu , Yaran Chen , Dongbin Zhao , Zhonghua Pang

In computer vision tasks, the ability to focus on relevant regions within an image is crucial for improving model performance, particularly when key features are small, subtle, or spatially dispersed. Convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Mahmudul Hasan

Low-dose CT denoising is a challenging task that has been studied by many researchers. Some studies have used deep neural networks to improve the quality of low-dose CT images and achieved fruitful results. In this paper, we propose a deep…

图像与视频处理 · 电气工程与系统科学 2019-02-28 Maryam Gholizadeh-Ansari , Javad Alirezaie , Paul Babyn

Deep Neural Network has shown great strides in the coarse-grained image classification task. It was in part due to its strong ability to extract discriminative feature representations from the images. However, the marginal visual difference…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Prateek Shroff , Tianlong Chen , Yunchao Wei , Zhangyang Wang

Fine-grained image recognition is a longstanding computer vision challenge that focuses on differentiating objects belonging to multiple subordinate categories within the same meta-category. Since images belonging to the same meta-category…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Yifan Pu , Yizeng Han , Yulin Wang , Junlan Feng , Chao Deng , Gao Huang

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen

Existing edge detection methods often suffer from noise amplification and excessive retention of non-salient details, limiting their applicability in high-precision industrial scenarios. To address these challenges, we propose CAM-EDIT, a…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Ru-yu Yan , Da-Qing Zhang

Recent works have shown that exploiting multi-scale representations deeply learned via convolutional neural networks (CNN) is of tremendous importance for accurate contour detection. This paper presents a novel approach for predicting…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Dan Xu , Wanli Ouyang , Xavier Alameda-Pineda , Elisa Ricci , Xiaogang Wang , Nicu Sebe

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

Exploiting multi-scale representations is critical to improve edge detection for objects at different scales. To extract edges at dramatically different scales, we propose a Bi-Directional Cascade Network (BDCN) structure, where an…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Jianzhong He , Shiliang Zhang , Ming Yang , Yanhu Shan , Tiejun Huang

Structured reconstruction is a non-trivial dense prediction problem, which extracts structural information (\eg, building corners and edges) from a raster image, then reconstructs it to a 2D planar graph accordingly. Compared with common…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Hongbo Tian , Yulong Li , Linzhi Huang , Xu Ling , Yue Yang , Jiani Hu

Most Graph Neural Networks (GNNs) predict the labels of unseen graphs by learning the correlation between the input graphs and labels. However, by presenting a graph classification investigation on the training graphs with severe bias,…

机器学习 · 计算机科学 2022-09-29 Shaohua Fan , Xiao Wang , Yanhu Mo , Chuan Shi , Jian Tang

Convolutional Neural Networks (CNNs) are used for a wide range of image-related tasks such as image classification and object detection. However, a large pre-trained CNN model contains a lot of redundancy considering the task-specific edge…

分布式、并行与集群计算 · 计算机科学 2019-10-09 Zhuwei Qin , Fuxun Yu , Xiang Chen

Fine-grained classification is challenging because categories can only be discriminated by subtle and local differences. Variances in the pose, scale or rotation usually make the problem more difficult. Most fine-grained classification…

计算机视觉与模式识别 · 计算机科学 2014-11-25 Tianjun Xiao , Yichong Xu , Kuiyuan Yang , Jiaxing Zhang , Yuxin Peng , Zheng Zhang

We study the problem of end-to-end learning from complex multigraphs with potentially very large numbers of edges between two vertices, each edge labeled with rich information. Examples range from communication networks to flights between…

机器学习 · 统计学 2021-01-26 Floris Hermsen , Peter Bloem , Fabian Jansen , Wolf Vos

Textureless object recognition has become a significant task in Computer Vision with the advent of Robotics and its applications in manufacturing sector. It has been challenging to obtain good accuracy in real time because of its lack of…

计算机视觉与模式识别 · 计算机科学 2024-08-31 Frincy Clement , Kirtan Shah , Dhara Pancholi , Gabriel Lugo Bustillo , Irene Cheng