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Perceiving pedestrians in highly crowded urban environments is a difficult long-tail problem for learning-based autonomous perception. Speeding up 3D ground truth generation for such challenging scenes is performance-critical yet very…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Shichao Li , Peiliang Li , Qing Lian , Peng Yun , Xiaozhi Chen

The automatic characterization of pedestrians in surveillance footage is a tough challenge, particularly when the data is extremely diverse with cluttered backgrounds, and subjects are captured from varying distances, under multiple poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Ehsan Yaghoubi , Diana Borza , João Neves , Aruna Kumar , Hugo Proença

Although many approaches for multi-human pose estimation in videos have shown profound results, they require densely annotated data which entails excessive man labor. Furthermore, there exists occlusion and motion blur that inevitably lead…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Kyung-Min Jin , Gun-Hee Lee , Seong-Whan Lee

Accurate lane detection is essential for effective path planning and lane following in autonomous driving, especially in scenarios with significant occlusion from vehicles and pedestrians. Existing models often struggle under such…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Aayush Agrawal , Ashmitha Jaysi Sivakumar , Ibrahim Kaif , Chayan Banerjee

In order to manipulate a deformable object, such as rope or cloth, in unstructured environments, robots need a way to estimate its current shape. However, tracking the shape of a deformable object can be challenging because of the object's…

Robotics · Computer Science 2020-11-03 Yixuan Wang , Dale McConachie , Dmitry Berenson

Occlusion removal is an interesting application of image enhancement, for which, existing work suggests manually-annotated or domain-specific occlusion removal. No work tries to address automatic occlusion detection and removal as a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-08 Kumara Kahatapitiya , Dumindu Tissera , Ranga Rodrigo

Walking while using a smartphone is becoming a major pedestrian safety concern as people may unknowingly bump into various obstacles that could lead to severe injuries. In this paper, we propose ObstacleWatch, an acoustic-based obstacle…

Human-Computer Interaction · Computer Science 2021-06-04 Zi Wang , Jie Yang

Detecting individual pedestrians in a crowd remains a challenging problem since the pedestrians often gather together and occlude each other in real-world scenarios. In this paper, we first explore how a state-of-the-art pedestrian detector…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Xinlong Wang , Tete Xiao , Yuning Jiang , Shuai Shao , Jian Sun , Chunhua Shen

Reasoning about potential occlusions is essential for robots to efficiently predict whether an object exists in an environment. Though existing work shows that a robot with active perception can achieve various tasks, it is still unclear if…

Robotics · Computer Science 2021-07-30 Mengdi Li , Cornelius Weber , Matthias Kerzel , Jae Hee Lee , Zheni Zeng , Zhiyuan Liu , Stefan Wermter

Head pose estimation has become a crucial area of research in computer vision given its usefulness in a wide range of applications, including robotics, surveillance, or driver attention monitoring. One of the most difficult challenges in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 José Celestino , Manuel Marques , Jacinto C. Nascimento

In spite of the recent advancements in multi-object tracking, occlusion poses a significant challenge. Multi-camera setups have been used to address this challenge by providing a comprehensive coverage of the scene. Recent multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Reef Alturki , Adrian Hilton , Jean-Yves Guillemaut

Object detection is an algorithm that recognizes and locates the objects in the image and has a wide range of applications in the visual understanding of complex urban scenes. Existing object detection benchmarks mainly focus on a single…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Yaowei Wang , Zhouxin Yang , Rui Liu , Deng Li , Yuandu Lai , Leyuan Fang , Yahong Han

Multi-object tracking (MOT) involves analyzing object trajectories and counting the number of objects in video sequences. However, 2D MOT faces challenges due to positional cost confusion arising from partial occlusion. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Chunjiang Li , Jianbo Ma , Li Shen , Yanru Chen , Liangyin Chen

Object detection plays a fundamental role in enabling Cooperative Driving Automation (CDA), which is regarded as the revolutionary solution to addressing safety, mobility, and sustainability issues of contemporary transportation systems.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhengwei Bai , Guoyuan Wu , Xuewei Qi , Yongkang Liu , Kentaro Oguchi , Matthew J. Barth

Conventional multi-object tracking (MOT) systems are predominantly designed for pedestrian tracking and often exhibit limited generalization to other object categories. This paper presents a generalized tracking framework capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Hamidreza Hashempoor , Yu Dong Hwang

Person search aims to search for a target person among multiple images recorded by multiple surveillance cameras, which faces various challenges from both pedestrian detection and person re-identification. Besides the large intra-class…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Dingyuan Zheng , Jimin Xiao , Kaizhu Huang , Yao Zhao

In this paper, we address the task of detecting semantic parts on partially occluded objects. We consider a scenario where the model is trained using non-occluded images but tested on occluded images. The motivation is that there are…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Jianyu Wang , Cihang Xie , Zhishuai Zhang , Jun Zhu , Lingxi Xie , Alan Yuille

In this paper, we present a real-time robust multi-view pedestrian detection and tracking system for video surveillance using neural networks which can be used in dynamic environments. The proposed system consists of two phases: multi-view…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Md Zahangir Alom , Tarek M. Taha

While most recent autonomous driving system focuses on developing perception methods on ego-vehicle sensors, people tend to overlook an alternative approach to leverage intelligent roadside cameras to extend the perception ability beyond…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Lei Yang , Kaicheng Yu , Tao Tang , Jun Li , Kun Yuan , Li Wang , Xinyu Zhang , Peng Chen

Accurate depth information is crucial for enhancing the performance of multi-view 3D object detection. Despite the success of some existing multi-view 3D detectors utilizing pixel-wise depth supervision, they overlook two significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jinghua Hou , Tong Wang , Xiaoqing Ye , Zhe Liu , Shi Gong , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai