English
Related papers

Related papers: Small Object Tracking in LiDAR Point Cloud: Learni…

200 papers

Deep Siamese trackers have recently gained much attention in recent years since they can track visual objects at high speeds. Additionally, adaptive tracking methods, where target samples collected by the tracker are employed for online…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Madhu Kiran , Le Thanh Nguyen-Meidine , Rajat Sahay , Rafael Menelau Oliveira E Cruz , Louis-Antoine Blais-Morin , Eric Granger

Head detection and tracking are essential for downstream tasks, but current methods often require large computational budgets, which increase latencies and ties up resources (e.g., processors, memory, and bandwidth). To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Jisu Kim , Alex Mattingly , Eung-Joo Lee , Benjamin S. Riggan

Mainstream visual object tracking frameworks predominantly rely on template matching paradigms. Their performance heavily depends on the quality of template features, which becomes increasingly challenging to maintain in complex scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Meng Zhou , Jiadong Xie , Mingsheng Xu

Over the past few years, there has been remarkable progress in research on 3D point clouds and their use in autonomous driving scenarios has become widespread. However, deep learning methods heavily rely on annotated data and often face…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jin Fang , Dingfu Zhou , Jingjing Zhao , Chenming Wu , Chulin Tang , Cheng-Zhong Xu , Liangjun Zhang

LiDAR-based perception in autonomous systems is constrained by fixed vertical beam resolution and further compromised by beam dropout resulting from environmental occlusions. This paper introduces SuperiorGAT, a graph attention-based…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Khalfalla Awedat , Mohamed Abidalrekab , Gurcan Comert , Mustafa Ayad

We present TransLPC, a novel detection model for large point clouds that is based on a transformer architecture. While object detection with transformers has been an active field of research, it has proved difficult to apply such models to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Felicia Ruppel , Florian Faion , Claudius Gläser , Klaus Dietmayer

Despite recent advances, object detection in aerial images is still a challenging task. Specific problems in aerial images makes the detection problem harder, such as small objects, densely packed objects, objects in different sizes and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Onur Can Koyun , Reyhan Kevser Keser , İbrahim Batuhan Akkaya , Behçet Uğur Töreyin

Siamese network has been a de facto benchmark framework for 3D LiDAR object tracking with a shared-parametric encoder extracting features from template and search region, respectively. This paradigm relies heavily on an additional matching…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Teli Ma , Mengmeng Wang , Jimin Xiao , Huifeng Wu , Yong Liu

Thermal infrared (TIR) images typically lack detailed features and have low contrast, making it challenging for conventional feature extraction models to capture discriminative target characteristics. As a result, trackers are often…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ruoyan Xiong , Huanbin Zhang , Shentao Wang , Hui He , Yuke Hou , Yue Zhang , Yujie Cui , Huipan Guan , Shang Zhang

Small object detection in aerial imagery presents significant challenges in computer vision due to the minimal data inherent in small-sized objects and their propensity to be obscured by larger objects and background noise. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Tushar Verma , Jyotsna Singh , Yash Bhartari , Rishi Jarwal , Suraj Singh , Shubhkarman Singh

Multi-object tracking (MOT) is a fundamental task in computer vision that requires continuously tracking multiple targets while maintaining consistent identities across frames. However, most existing approaches primarily rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yanchao Wang , Dawei Zhang , Chengzhuan Yang , Wei Liu , Minglu Li , Hua Wang , Zhonglong Zheng , Ming-Hsuan Yang

Ground surface detection in point cloud is widely used as a key module in autonomous driving systems. Different from previous approaches which are mostly developed for lidars with high beam resolution, e.g. Velodyne HDL-64, this paper…

Robotics · Computer Science 2021-05-26 Bo Li

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

Recent works on 3D single object tracking treat the task as a target-specific 3D detection task, where an off-the-shelf 3D detector is commonly employed for the tracking. However, it is non-trivial to perform accurate target-specific…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Yan Xia , Qiangqiang Wu , Wei Li , Antoni B. Chan , Uwe Stilla

We propose a novel meta-learning framework for real-time object tracking with efficient model adaptation and channel pruning. Given an object tracker, our framework learns to fine-tune its model parameters in only a few iterations of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Ilchae Jung , Kihyun You , Hyeonwoo Noh , Minsu Cho , Bohyung Han

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Tianya Zhang , Peter J. Jin

Semantic segmentation of LiDAR point clouds has been widely studied in recent years, with most existing methods focusing on tackling this task using a single scan of the environment. However, leveraging the temporal stream of observations…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Enxu Li , Sergio Casas , Raquel Urtasun

Recent temporal LiDAR-based 3D object detectors achieve promising performance based on the two-stage proposal-based approach. They generate 3D box candidates from the first-stage dense detector, followed by different temporal aggregation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Kuan-Chih Huang , Weijie Lyu , Ming-Hsuan Yang , Yi-Hsuan Tsai

A fundamental challenge in point cloud object detection lies in the conflict between the extreme sparsity of distant points and the need for remote context understanding. The existing methods typically use 1D serialization to expand the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Bingwen Qiu , Yuan Liu , Junqi Bai , Tong Jiang , Ben Liang , Fangzhou Chen , Xiubao Sui , Qian Chen

Existing state-of-the-art 3D point clouds understanding methods only perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework which simultaneously solves the downstream high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Kangcheng Liu