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Graph neural networks (GNNs) have shown significant success in learning graph representations. However, recent studies reveal that GNNs often fail to outperform simple MLPs on heterophilous graph tasks, where connected nodes may differ in…

机器学习 · 计算机科学 2025-04-10 Songwei Zhao , Yuan Jiang , Zijing Zhang , Yang Yu , Hechang Chen

In this paper we propose an end-to-end learnable approach that detects static urban objects from multiple views, re-identifies instances, and finally assigns a geographic position per object. Our method relies on a Graph Neural Network…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Ahmed Samy Nassar , Stefano D'Aronco , Sébastien Lefèvre , Jan D. Wegner

Prior studies using graph neural networks (GNNs) for image classification have focused on graphs generated from a regular grid of pixels or similar-sized superpixels. In the latter, a single target number of superpixels is defined for an…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Varun Vasudevan , Maxime Bassenne , Md Tauhidul Islam , Lei Xing

Graph Neural Networks (GNNs) have demonstrated remarkable success in various domains such as social networks, molecular chemistry, and more. A crucial component of GNNs is the pooling procedure, in which the node features calculated by the…

机器学习 · 计算机科学 2026-05-19 Yaniv Galron , Hadar Sinai , Haggai Maron , Moshe Eliasof

We consider the problem of representation learning for graph data. Convolutional neural networks can naturally operate on images, but have significant challenges in dealing with graph data. Given images are special cases of graphs with…

机器学习 · 计算机科学 2019-05-15 Hongyang Gao , Shuiwang Ji

Matching pedestrians across disjoint camera views, known as person re-identification (re-id), is a challenging problem that is of importance to visual recognition and surveillance. Most existing methods exploit local regions within spatial…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Lin Wu , Yang Wang , Xue Li , Junbin Gao

Large-scale vision-language models (e.g., CLIP) have recently achieved remarkable performance in retrieval tasks, yet their potential for Video-based Visible-Infrared Person Re-Identification (VVI-ReID) remains largely unexplored. The…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Chenyang Yu , Xuehu Liu , Pingping Zhang , Huchuan Lu

Person re-identification (re-ID) aims to retrieve the same person across different cameras. In practice, it still remains a challenging task due to background clutter, variations on body poses and view conditions, inaccurate bounding box…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Honglong Cai , Yuedong Fang , Zhiguan Wang , Tingchun Yeh , Jinxing Cheng

Graph-level clustering is a fundamental task of data mining, aiming at dividing unlabeled graphs into distinct groups. However, existing deep methods that are limited by pooling have difficulty extracting diverse and complex graph structure…

机器学习 · 计算机科学 2025-04-03 Renda Han , Guangzhen Yao , Wenxin Zhang , Yu Li , Wen Xin , Huajie Lei , Mengfei Li , Zeyu Zhang , Chengze Du , Yahe Tian

Moment retrieval in videos is a challenging task that aims to retrieve the most relevant video moment in an untrimmed video given a sentence description. Previous methods tend to perform self-modal learning and cross-modal interaction in a…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Xin Sun , Xuan Wang , Jialin Gao , Qiong Liu , Xi Zhou

RGB-Infrared person re-identification (RGB-IR Re-ID) aims to match persons from heterogeneous images captured by visible and thermal cameras, which is of great significance in the surveillance system under poor light conditions. Facing…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Can Zhang , Hong Liu , Wei Guo , Mang Ye

Multi-Label Image Recognition (MLIR) is a challenging task that aims to predict multiple object labels in a single image while modeling the complex relationships between labels and image regions. Although convolutional neural networks and…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Ruijie Yao , Sheng Jin , Lumin Xu , Wang Zeng , Wentao Liu , Chen Qian , Ping Luo , Ji Wu

The prevalence of real-world multi-view data makes incomplete multi-view clustering (IMVC) a crucial research. The rapid development of Graph Neural Networks (GNNs) has established them as one of the mainstream approaches for multi-view…

Video-based person re-identification has received increasing attention recently, as it plays an important role within surveillance video analysis. Video-based Re-ID is an expansion of earlier image-based re-identification methods by…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Toby P. Breckon , Aishah Alsehaim

Graph convolutional networks (GCNs) have been successfully applied in node classification tasks of network mining. However, most of these models based on neighborhood aggregation are usually shallow and lack the "graph pooling" mechanism,…

社会与信息网络 · 计算机科学 2019-06-11 Fenyu Hu , Yanqiao Zhu , Shu Wu , Liang Wang , Tieniu Tan

Due to its potential wide applications in video surveillance and other computer vision tasks like tracking, person re-identification (ReID) has become popular and been widely investigated. However, conventional person re-identification can…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Xing Fan , Hao Luo , Chi Zhang , Wei Jiang

Node classification on static graphs has achieved significant success, but achieving accurate node classification on dynamic graphs where node topology, attributes, and labels change over time has not been well addressed. Existing methods…

社会与信息网络 · 计算机科学 2024-12-31 Xiaoxu Ma , Chen Zhao , Minglai Shao , Yujie Lin

Graph neural networks (GNNs) have become crucial in multimodal recommendation tasks because of their powerful ability to capture complex relationships between neighboring nodes. However, increasing the number of propagation layers in GNNs…

多媒体 · 计算机科学 2024-11-05 Feng Mo , Lin Xiao , Qiya Song , Xieping Gao , Eryao Liang

Is recurrent network really necessary for learning a good visual representation for video based person re-identification (VPRe-id)? In this paper, we first show that the common practice of employing recurrent neural networks (RNNs) to…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Le Zhang , Zenglin Shi , Joey Tianyi Zhou , Ming-Ming Cheng , Yun Liu , Jia-Wang Bian , Zeng Zeng , Chunhua Shen

Graph Neural Networks (GNNs) have been widely used for the representation learning of various structured graph data. While promising, most existing GNNs oversimplified the complexity and diversity of the edges in the graph, and thus…

机器学习 · 计算机科学 2021-10-07 Hao Peng , Ruitong Zhang , Yingtong Dou , Renyu Yang , Jingyi Zhang , Philip S. Yu