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Multi-target tracking (MTT) is a classical signal processing task, where the goal is to estimate the states of an unknown number of moving targets from noisy sensor measurements. In this paper, we revisit MTT from a deep learning…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Damian Owerko , Charilaos I. Kanatsoulis , Jennifer Bondarchuk , Donald J. Bucci , Alejandro Ribeiro

Recent work has demonstrated the effectiveness of formulating decision making as supervised learning on offline-collected trajectories. Powerful sequence models, such as GPT or BERT, are often employed to encode the trajectories. However,…

Machine Learning · Computer Science 2023-10-31 Zilai Zeng , Ce Zhang , Shijie Wang , Chen Sun

Convolutional Neural Networks(CNNs) has achieved remarkable performance breakthrough in Euclidean structure data. Recently, aggregation-transformation based Graph Neural networks(GNNs) gradually produce a powerful performance on…

Machine Learning · Computer Science 2021-02-05 Jingzhao Hu , Xiaoqi Zhang , Qiaomei Jia , Chen Wang , Qirong Bu , Jun Feng

Convolutional Neural Networks (CNNs) have gained a significant attraction in the recent years due to their increasing real-world applications. Their performance is highly dependent to the network structure and the selected optimization…

Neural and Evolutionary Computing · Computer Science 2019-10-01 Parsa Esfahanian , Mohammad Akhavan

Deep neural networks are being increasingly used for short-term traffic flow prediction, which can be generally categorized as convolutional (CNNs) or graph neural networks (GNNs). CNNs are preferable for region-wise traffic prediction by…

Physics and Society · Physics 2021-10-12 Wei Zeng , Chengqiao Lin , Kang Liu , Juncong Lin , Anthony K. H. Tung

Object detection is the key technique to a number of Computer Vision applications, but it often requires large amounts of annotated data to achieve decent results. Moreover, for pedestrian detection specifically, the collected data might…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Daria Reshetova , Guanhang Wu , Marcel Puyat , Chunhui Gu , Huizhong Chen

Simulating the human mobility and generating large-scale trajectories are of great use in many real-world applications, such as urban planning, epidemic spreading analysis, and geographic privacy protect. Although many previous works have…

Machine Learning · Computer Science 2023-01-19 Wenjun Jiang , Wayne Xin Zhao , Jingyuan Wang , Jiawei Jiang

In visual robot self-localization, graph-based scene representation and matching have recently attracted research interest as robust and discriminative methods for selflocalization. Although effective, their computational and storage costs…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Koji Takeda , Kanji Tanaka

Recently, an abundant amount of urban vehicle trajectory data has been collected in road networks. Many studies have used machine learning algorithms to analyze patterns in vehicle trajectories to predict location sequences of individual…

Machine Learning · Computer Science 2021-10-01 Seongjin Choi , Jiwon Kim , Hwasoo Yeo

Synthetic data is an increasingly popular tool for training deep learning models, especially in computer vision but also in other areas. In this work, we attempt to provide a comprehensive survey of the various directions in the development…

Machine Learning · Computer Science 2019-09-26 Sergey I. Nikolenko

The prevalence of ubiquitous location-aware devices and mobile Internet enables us to collect massive individual-level trajectory dataset from users. Such trajectory big data bring new opportunities to human mobility research but also raise…

Machine Learning · Computer Science 2023-09-22 Jinmeng Rao , Song Gao , Sijia Zhu

Convolutional neural networks (CNNs) have demonstrated their superiority in numerous computer vision tasks, yet their computational cost results prohibitive for many real-time applications such as pedestrian detection which is usually…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Farzin Ghorban , Javier Marín , Yu Su , Alessandro Colombo , Anton Kummert

Pedestrian trajectory prediction is an essential component in a wide range of AI applications such as autonomous driving and robotics. Existing methods usually assume the training and testing motions follow the same pattern while ignoring…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yi Xu , Lichen Wang , Yizhou Wang , Yun Fu

We present recurrent transformer networks (RTNs) for obtaining dense correspondences between semantically similar images. Our networks accomplish this through an iterative process of estimating spatial transformations between the input…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Seungryong Kim , Stephen Lin , Sangryul Jeon , Dongbo Min , Kwanghoon Sohn

Decision Transformer (DT) can learn effective policy from offline datasets by converting the offline reinforcement learning (RL) into a supervised sequence modeling task, where the trajectory elements are generated auto-regressively…

Machine Learning · Computer Science 2024-11-19 Zhihong Liu , Long Qian , Zeyang Liu , Lipeng Wan , Xingyu Chen , Xuguang Lan

Convolution Neural Network (CNN) has gained tremendous success in computer vision tasks with its outstanding ability to capture the local latent features. Recently, there has been an increasing interest in extending convolution operations…

Machine Learning · Computer Science 2018-11-09 Guokun Lai , Hanxiao Liu , Yiming Yang

Convolutional neural networks (CNN) based tracking approaches have shown favorable performance in recent benchmarks. Nonetheless, the chosen CNN features are always pre-trained in different tasks and individual components in tracking…

Robotics · Computer Science 2019-08-27 Zheng Zhu , Wei Zou , Guan Huang , Dalong Du , Chang Huang

Recent radiomic studies have witnessed promising performance of deep learning techniques in learning radiomic features and fusing multimodal imaging data. Most existing deep learning based radiomic studies build predictive models in a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Hongming Li , Pamela Boimel , James Janopaul-Naylor , Haoyu Zhong , Ying Xiao , Edgar Ben-Josef , Yong Fan

Graph Convolutional Networks (GCNs), similarly to Convolutional Neural Networks (CNNs), are typically based on two main operations - spatial and point-wise convolutions. In the context of GCNs, differently from CNNs, a pre-determined…

Machine Learning · Computer Science 2022-07-18 Moshe Eliasof , Eldad Haber , Eran Treister

Trajectory streams are being generated from location-aware devices, such as smartphones and in-vehicle navigation systems. Due to the sensitive nature of the location data, directly sharing user trajectories suffers from privacy leakage…

Databases · Computer Science 2024-04-18 Yujia Hu , Yuntao Du , Zhikun Zhang , Ziquan Fang , Lu Chen , Kai Zheng , Yunjun Gao