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Existing person re-identification models often have low generalizability, which is mostly due to limited availability of large-scale labeled data in training. However, labeling large-scale training data is very expensive and time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Wenhao Wang , Shengcai Liao , Fang Zhao , Cuicui Kang , Ling Shao

Graph convolutional networks (GCNs) are powerful deep neural networks for graph-structured data. However, GCN computes the representation of a node recursively from its neighbors, making the receptive field size grow exponentially with the…

Machine Learning · Statistics 2018-03-02 Jianfei Chen , Jun Zhu , Le Song

Graph Structure Learning (GSL) has demonstrated considerable potential in the analysis of graph-unknown non-Euclidean data across a wide range of domains. However, constructing an end-to-end graph structure learning model poses a challenge…

Machine Learning · Computer Science 2023-12-18 Xiaolong Fan , Maoguo Gong , Yue Wu , Zedong Tang , Jieyi Liu

Recently, researchers utilize Knowledge Graph (KG) as side information in recommendation system to address cold start and sparsity issue and improve the recommendation performance. Existing KG-aware recommendation model use the feature of…

Information Retrieval · Computer Science 2019-08-20 Chang-You Tai , Meng-Ru Wu , Yun-Wei Chu , Shao-Yu Chu

Deep graph generative modeling has gained enormous attraction in recent years due to its impressive ability to directly learn the underlying hidden graph distribution. Despite their initial success, these techniques, like much of the…

Machine Learning · Computer Science 2023-12-15 Sahil Manchanda , Shubham Gupta , Sayan Ranu , Srikanta Bedathur

In distributed training of deep neural networks, parallel mini-batch SGD is widely used to speed up the training process by using multiple workers. It uses multiple workers to sample local stochastic gradient in parallel, aggregates all…

Optimization and Control · Mathematics 2018-11-19 Hao Yu , Sen Yang , Shenghuo Zhu

Background: Deep learning models are typically trained using stochastic gradient descent or one of its variants. These methods update the weights using their gradient, estimated from a small fraction of the training data. It has been…

Machine Learning · Statistics 2018-01-03 Elad Hoffer , Itay Hubara , Daniel Soudry

Identifying the underlying models in a set of data points contaminated by noise and outliers, leads to a highly complex multi-model fitting problem. This problem can be posed as a clustering problem by the projection of higher order…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Ruwan Tennakoon , Alireza Sadri , Reza Hoseinnezhad , Alireza Bab-Hadiashar

The choice of good distances and similarity measures between objects is important for many machine learning methods. Therefore, many metric learning algorithms have been developed in recent years, mainly for Euclidean data in order to…

Machine Learning · Computer Science 2022-12-23 Yacouba Kaloga , Pierre Borgnat , Amaury Habrard

Clustering-based approach has proved effective in dealing with unsupervised domain adaptive person re-identification (ReID) tasks. However, existing works along this approach still suffer from noisy pseudo labels and the unreliable…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Chunren Tang , Dingyu Xue , Dongyue Chen

Person re-identification (reID) aims at retrieving a person from images captured by different cameras. For deep-learning-based reID methods, it has been proved that using local features together with global feature could help to give robust…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Zhijun He , Hongbo Zhao , Wenquan Feng

Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jiahao Lin , Gim Hee Lee

There has been much recent interest in adapting undersampled trajectories in MRI based on training data. In this work, we propose a novel patient-adaptive MRI sampling algorithm based on grouping scans within a training set. Scan-adaptive…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Siddhant Gautam , Angqi Li , Saiprasad Ravishankar

As networks continue to increase in size, current methods must be capable of handling large numbers of nodes and edges in order to be practically relevant. Instead of working directly with the entire (large) network, analyzing sub-networks…

Social and Information Networks · Computer Science 2025-04-03 Eric Yanchenko

Person re-identification (Re-ID) poses a unique challenge to deep learning: how to learn a deep model with millions of parameters on a small training set of few or no labels. In this paper, a number of deep transfer learning models are…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Mengyue Geng , Yaowei Wang , Tao Xiang , Yonghong Tian

This paper proposes a novel approach to person re-identification, a fundamental task in distributed multi-camera surveillance systems. Although a variety of powerful algorithms have been presented in the past few years, most of them usually…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Shi-Zhe Chen , Chun-Chao Guo , Jian-Huang Lai

Similarity graphs are an active research direction for the nearest neighbor search (NNS) problem. New algorithms for similarity graph construction are continuously being proposed and analyzed by both theoreticians and practitioners.…

Machine Learning · Computer Science 2020-02-14 Dmitry Baranchuk , Artem Babenko

While the availability of large datasets is perceived to be a key requirement for training deep neural networks, it is possible to train such models with relatively little data. However, compensating for the absence of large datasets…

Artificial Intelligence · Computer Science 2021-11-02 Mohammad Motamedi , Nikolay Sakharnykh , Tim Kaldewey

Contemporary person re-identification (\reid) methods usually require access to data from the deployment camera network during training in order to perform well. This is because contemporary \reid{} models trained on one dataset do not…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Jieru Jia , Qiuqi Ruan , Timothy M. Hospedales

Person re-identification (Re-ID) aims to match the image frames which contain the same person in the surveillance videos. Most of the Re-ID algorithms conduct supervised training in some small labeled datasets, so directly deploying these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Jianming Lv , Xintong Wang