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Guided image filtering (GIF) is a popular smoothing technique, in which an additional image is used as a structure guidance for noise removal with edge preservation. The original GIF and some of its subsequent improvements are derived from…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Lei Zhao , Chuanjiang He

Maps are essential for diverse applications, such as vehicle navigation and autonomous robotics. Both require spatial models for effective route planning and localization. This paper addresses the challenge of road graph construction for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Balázs Opra , Betty Le Dem , Jeffrey M. Walls , Dimitar Lukarski , Cyrill Stachniss

GENFIT is an experiment-independent track-fitting toolkit that combines fitting algorithms, track representations, and measurement geometries into a modular framework. We report on a significantly improved version of GENFIT, based on…

Instrumentation and Detectors · Physics 2016-10-11 Johannes Rauch , Tobias Schlüter

Vast and high-quality data are essential for end-to-end autonomous driving systems. However, current driving data is mainly collected by vehicles, which is expensive and inefficient. A potential solution lies in synthesizing data from…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Jialei Chen , Wuhao Xu , Sipeng He , Baoru Huang , Dongchun Ren

Transformers for time series forecasting mainly model time series from limited or fixed scales, making it challenging to capture different characteristics spanning various scales. We propose Pathformer, a multi-scale Transformer with…

Machine Learning · Computer Science 2024-09-17 Peng Chen , Yingying Zhang , Yunyao Cheng , Yang Shu , Yihang Wang , Qingsong Wen , Bin Yang , Chenjuan Guo

Gait recognition, a growing field in biological recognition technology, utilizes distinct walking patterns for accurate individual identification. However, existing methods lack the incorporation of temporal information. To reach the full…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Haijun Xiong , Yunze Deng , Bin Feng , Xinggang Wang , Wenyu Liu

Accurate trajectory prediction for buses is crucial in intelligent transportation systems, particularly within urban environments. In developing regions where access to multimodal data is limited, relying solely on onboard GPS data remains…

Machine Learning · Computer Science 2025-08-14 Fan Ding , Hwa Hui Tew , Junn Yong Loo , Susilawati , LiTong Liu , Fang Yu Leong , Xuewen Luo , Kar Keong Chin , Jia Jun Gan

In this paper, a software implementation that records Global Positioning System (GPS) and long-range navigation (Loran) measurement data output from an integrated GPS/Loran receiver and organizes them based on time is proposed. The purpose…

Signal Processing · Electrical Eng. & Systems 2020-12-17 Woohyun Kim , Pyo-Woong Son , Joon Hyo Rhee , Jiwon Seo

With the growth of intermodal freight transportation, it is important that transportation planners and decision makers are knowledgeable about freight flow data to make informed decisions. This is particularly true with Intelligent…

Methodology · Statistics 2024-02-15 Nathan Huynh , Majbah Uddin , Chu Cong Minh

Due to the widespread deployment of Global Navigation Satellite Systems (GNSSs) for critical road or urban applications, one of the major challenges to be solved is the provision of integrity to terrestrial environments, so that GNSS may be…

Information Theory · Computer Science 2018-10-15 Daniel Egea-Roca , Gonzalo Seco-Granados , José A. López-Salcedo , H. Vincent Poor

Video Text Spotting (VTS) is a fundamental visual task that aims to predict the trajectories and content of texts in a video. Previous works usually conduct local associations and apply IoU-based distance and complex post-processing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Han Wang , Yanjie Wang , Yang Li , Can Huang

Large-scale data missing is a challenging problem in Intelligent Transportation Systems (ITS). Many studies have been carried out to impute large-scale traffic data by considering their spatiotemporal correlations at a network level. In…

Machine Learning · Computer Science 2023-01-30 Kunpeng Zhang , Lan Wu , Liang Zheng , Na Xie , Zhengbing He

For reliable operation, next generation autonomous agents will need enhanced situational perception as well as precise navigation capabilities. The global navigation satellite system (GNSS) signals that are utilized by practically all…

Signal Processing · Electrical Eng. & Systems 2020-07-30 Nicolas Souli , Panayiotis Kolios , Georgios Ellinas

Forecasting pedestrians' future motions is essential for autonomous driving systems to safely navigate in urban areas. However, existing prediction algorithms often overly rely on past observed trajectories and tend to fail around abrupt…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Dongxu Guo , Taylor Mordan , Alexandre Alahi

Synthesizing extrapolated views from recorded driving logs is critical for simulating driving scenes for autonomous driving vehicles, yet it remains a challenging task. Recent methods leverage generative priors as pseudo ground truth, but…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Kaiyuan Tan , Yingying Shen , Haohui Zhu , Zhiwei Zhan , Shan Zhao , Mingfei Tu , Hongcheng Luo , Haiyang Sun , Bing Wang , Guang Chen , Hangjun Ye

gsaot is an R package for Optimal Transport-based global sensitivity analysis. It provides a simple interface for indices estimation using a variety of state-of-the-art Optimal Transport solvers such as the network simplex and…

Computation · Statistics 2025-07-25 Leonardo Chiani , Emanuele Borgonovo , Elmar Plischke , Massimo Tavoni

Integral field spectroscopy (IFS) provides spatially resolved spectra, enabling detailed studies that address the physical and kinematic properties of the interstellar medium. A critical step in analyzing IFS data is the decomposition of…

Astrophysics of Galaxies · Physics 2026-02-10 Hui Guo , Guilin Liu , Jianghui Xu , Chao Geng , Zhicheng He , Shiyin Shen , Lei Hao

We propose a framework for active mapping and exploration that leverages Gaussian splatting for constructing dense maps. Further, we develop a GPU-accelerated motion planning algorithm that can exploit the Gaussian map for real-time…

Robotics · Computer Science 2025-10-07 Yuezhan Tao , Dexter Ong , Varun Murali , Igor Spasojevic , Pratik Chaudhari , Vijay Kumar

The analysis of GPS trajectories is a well-studied problem in Urban Computing and has been used to track people. Analyzing people mobility and identifying the transportation mode used by them is essential for cities that want to reduce…

Machine Learning · Computer Science 2020-07-20 I. Cardoso-Pereira , J. B. Borges , P. H. Barros , A. F. Loureiro , O. A. Rosso , H. S. Ramos

This paper presents a novel system for reconstructing high-resolution GPS trajectory data from truncated or synthetic low-resolution inputs, addressing the critical challenge of balancing data utility with privacy preservation in mobility…

Signal Processing · Electrical Eng. & Systems 2026-04-28 Haruki Yonekura , Ren Ozeki , Hamada Rizk , Hirozumi Yamaguchi