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Related papers: Spatio-Temporal Context Modeling for Road Obstacle…

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Event-based moving object detection is a challenging task, where static background and moving object are mixed together. Typically, existing methods mainly align the background events to the same spatial coordinate system via motion…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hanyu Zhou , Zhiwei Shi , Hao Dong , Shihan Peng , Yi Chang , Luxin Yan

In this paper, we present an on-board vision-based approach for avoidance of moving obstacles in dynamic environments. Our approach relies on an efficient obstacle detection and tracking algorithm based on depth image pairs, which provides…

Robotics · Computer Science 2020-02-14 Jiahao Lin , Hai Zhu , Javier Alonso-Mora

3D object detection based on roadside cameras is an additional way for autonomous driving to alleviate the challenges of occlusion and short perception range from vehicle cameras. Previous methods for roadside 3D object detection mainly…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Xiahan Chen , Mingjian Chen , Sanli Tang , Yi Niu , Jiang Zhu

Object detection and motion parameters estimation are crucial tasks for self-driving vehicle safe navigation in a complex urban environment. In this work we propose a novel real-time approach of temporal context aggregation for motion…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Artem Filatov , Andrey Rykov , Viacheslav Murashkin

The recurring context in which objects appear holds valuable information that can be employed to predict their existence. This intuitive observation indeed led many researchers to endow appearance-based detectors with explicit reasoning…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Ehud Barnea , Ohad Ben-Shahar

Today's autonomous vehicles rely extensively on high-definition 3D maps to navigate the environment. While this approach works well when these maps are completely up-to-date, safe autonomous vehicles must be able to corroborate the map's…

Computer Vision and Pattern Recognition · Computer Science 2016-12-09 Ari Seff , Jianxiong Xiao

Predicting spatio-temporal traffic flow presents significant challenges due to complex interactions between spatial and temporal factors. Existing approaches often address these dimensions in isolation, neglecting their critical…

Artificial Intelligence · Computer Science 2024-11-15 Weilin Ruan , Wenzhuo Wang , Siru Zhong , Wei Chen , Li Liu , Yuxuan Liang

Contextual information, such as the co-occurrence of objects and the spatial and relative size among objects provides deep and complex information about scenes. It also can play an important role in improving object detection. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Faisal Alamri , Nicolas Pugeault

Detecting travel modes from global navigation satellite system (GNSS) trajectories is essential for understanding individual travel behavior and a prerequisite for achieving sustainable transport systems. While studies have acknowledged the…

Physics and Society · Physics 2023-11-21 Ye Hong , Emanuel Stüdeli , Martin Raubal

Accurately and promptly predicting accidents among surrounding traffic agents from camera footage is crucial for the safety of autonomous vehicles (AVs). This task presents substantial challenges stemming from the unpredictable nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Haicheng Liao , Haoyu Sun , Huanming Shen , Chengyue Wang , Kahou Tam , Chunlin Tian , Li Li , Chengzhong Xu , Zhenning Li

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López

Robust prediction of citywide traffic flows at different time periods plays a crucial role in intelligent transportation systems. While previous work has made great efforts to model spatio-temporal correlations, existing methods still…

Machine Learning · Computer Science 2024-03-07 Jiahao Ji , Jingyuan Wang , Chao Huang , Junjie Wu , Boren Xu , Zhenhe Wu , Junbo Zhang , Yu Zheng

Time-space diagrams are essential tools for analyzing traffic patterns and optimizing transportation infrastructure and traffic management strategies. Traditional data collection methods for these diagrams have limitations in terms of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Tanay Rastogi , Mårten Björkman

Abnormality detection in video poses particular challenges due to the infinite size of the class of all irregular objects and behaviors. Thus no (or by far not enough) abnormal training samples are available and we need to find…

Computer Vision and Pattern Recognition · Computer Science 2015-02-24 Borislav Antić , Björn Ommer

Spatial-temporal data modeling aims to mine the underlying spatial relationships and temporal dependencies of objects in a system. However, most existing methods focus on the modeling of spatial-temporal data in a single mode, lacking the…

Machine Learning · Computer Science 2023-08-23 Zihang Liu , Le Yu , Tongyu Zhu , Leiei Sun

Time-to-Contact (TTC) estimation is a critical task for assessing collision risk and is widely used in various driver assistance and autonomous driving systems. The past few decades have witnessed development of related theories and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Yuheng Shi , Zehao Huang , Yan Yan , Naiyan Wang , Xiaojie Guo

Visual surveillance aims to stably detect a foreground object using a continuous image acquired from a fixed camera. Recent deep learning methods based on supervised learning show superior performance compared to classical background…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Jae-Yeul Kim , Jong-Eun Ha

Moving Object Detection (MOD) is a critical task for autonomous vehicles as moving objects represent higher collision risk than static ones. The trajectory of the ego-vehicle is planned based on the future states of detected moving objects.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Mohamed Ramzy , Hazem Rashed , Ahmad El Sallab , Senthil Yogamani

Nowadays, autonomous driving systems can detect, segment, and classify the surrounding obstacles using a monocular camera. However, state-of-the-art methods solving these tasks generally perform a fully supervised learning process and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Sid Ali Hamideche , Florent Chiaroni , Mohamed-Cherif Rahal

Modeling instance-level context and object-object relationships is extremely challenging. It requires reasoning about bounding boxes of different classes, locations \etc. Above all, instance-level spatial reasoning inherently requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Xinlei Chen , Abhinav Gupta