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Graph Convolutional Networks (GCNs) are powerful models for node representation learning tasks. However, the node representation in existing GCN models is usually generated by performing recursive neighborhood aggregation across multiple…

Machine Learning · Computer Science 2021-05-11 Hao Chen , Zengde Deng , Yue Xu , Zhoujun Li

Graph convolutional networks (GCNs) have achieved great success in dealing with data of non-Euclidean structures. Their success directly attributes to fitting graph structures effectively to data such as in social media and knowledge…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Boyan Xu , Hujun Yin

This paper introduces an improved reranking method for the Bag-of-Words (BoW) based image search. Built on [1], a directed image graph robust to outlier distraction is proposed. In our approach, the relevance among images is encoded in the…

Computer Vision and Pattern Recognition · Computer Science 2014-06-04 Ziqiong Liu , Shengjin Wang , Liang Zheng , Qi Tian

Reorganizing implicit feedback of users as a user-item interaction graph facilitates the applications of graph convolutional networks (GCNs) in recommendation tasks. In the interaction graph, edges between user and item nodes function as…

Information Retrieval · Computer Science 2021-11-04 Wei Yinwei , Wang Xiang , Nie Liqiang , He Xiangnan , Chua Tat-Seng

Convolutional Neural Network (CNN) has demonstrated impressive ability to represent hyperspectral images and to achieve promising results in hyperspectral image classification. However, traditional CNN models can only operate convolution on…

Image and Video Processing · Electrical Eng. & Systems 2019-05-16 Sheng Wan , Chen Gong , Ping Zhong , Bo Du , Lefei Zhang , Jian Yang

Due to a huge volume of information in many domains, the need for classification methods is imperious. In spite of many advances, most of the approaches require a large amount of labeled data, which is often not available, due to costs and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Lucas Pascotti Valem , Daniel Carlos Guimarães Pedronette , Longin Jan Latecki

We address the challenging task of video-based person re-identification. Recent works have shown that splitting the video sequences into clips and then aggregating clip based similarity is appropriate for the task. We show that using a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Neeraj Matiyali , Gaurav Sharma

This paper proposes an adaptive graph-based approach for multi-label image classification. Graph-based methods have been largely exploited in the field of multi-label classification, given their ability to model label correlations.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Indel Pal Singh , Enjie Ghorbel , Oyebade Oyedotun , Djamila Aouada

Person reidentification (ReID) refers to the task of verifying the identity of a pedestrian observed from nonoverlapping views in a surveillance camera network. It has recently been validated that reranking can achieve remarkable…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Ruo-Pei Guo , Chun-Guang Li , Yonghua Li , Jiaru Lin , Jun Guo

Given a pedestrian image as a query, the purpose of person re-identification is to identify the correct match from a large collection of gallery images depicting the same person captured by disjoint camera views. The critical challenge is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Lin Wu , Yang Wang

We present highly efficient algorithms for performing forward and backward propagation of Convolutional Neural Network (CNN) for pixelwise classification on images. For pixelwise classification tasks, such as image segmentation and object…

Computer Vision and Pattern Recognition · Computer Science 2014-12-17 Hongsheng Li , Rui Zhao , Xiaogang Wang

Among different existing graph self-supervised learning strategies, graph contrastive learning (GCL) has been one of the most prevalent approaches to this problem. Despite the remarkable performance those GCL methods have achieved, existing…

Machine Learning · Computer Science 2022-10-27 Qianlong Wen , Zhongyu Ouyang , Chunhui Zhang , Yiyue Qian , Yanfang Ye , Chuxu Zhang

Convolutional Neural Networks (CNNs) have revolutionized the understanding of visual content. This is mainly due to their ability to break down an image into smaller pieces, extract multi-scale localized features and compose them to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zachary Wharton , Ardhendu Behera , Asish Bera

Collaborative filtering (CF) models have demonstrated remarkable performance in recommender systems, which represent users and items as embedding vectors. Recently, due to the powerful modeling capability of graph neural networks for…

Information Retrieval · Computer Science 2024-11-05 Hao Chen , Yuanchen Bei , Wenbing Huang , Shengyuan Chen , Feiran Huang , Xiao Huang

Collaborative Filtering (CF) is one of the most successful approaches for recommender systems. With the emergence of online social networks, social recommendation has become a popular research direction. Most of these social recommendation…

Information Retrieval · Computer Science 2019-07-12 Le Wu , Peijie Sun , Richang Hong , Yanjie Fu , Xiting Wang , Meng Wang

Graph convolutional networks (GCN) is widely used to handle irregular data since it updates node features by using the structure information of graph. With the help of iterated GCN, high-order information can be obtained to further enhance…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Wenyu Zhang , Qing Ding , Jian Hu , Yi Ma , Mingzhe Lu

Multi-task learning is widely used in computer vision. Currently, object detection models utilize shared feature map to complete classification and localization tasks simultaneously. By comparing the performance between the original Faster…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Yufan Luo , Li Xiao

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different clusters without human annotations, is a fundamental yet challenging task. However, we observed that the existing methods suffer…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Yue Liu , Sihang Zhou , Xinwang Liu , Wenxuan Tu , Xihong Yang

Classification tasks based on feature vectors can be significantly improved by including within deep learning a graph that summarises pairwise relationships between the samples. Intuitively, the graph acts as a conduit to channel and bias…

Machine Learning · Computer Science 2019-09-27 Robert L. Peach , Alexis Arnaudon , Mauricio Barahona

The person re-identification (Re-ID) task requires to robustly extract feature representations for person images. Recently, part-based representation models have been widely studied for extracting the more compact and robust feature…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Bo Jiang , Xixi Wang , Bin Luo