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A critical issue in pedestrian detection is to detect small-scale objects that will introduce feeble contrast and motion blur in images and videos, which in our opinion should partially resort to deep-rooted annotation bias. Motivated by…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Tao Song , Leiyu Sun , Di Xie , Haiming Sun , Shiliang Pu

Doppler radars are routinely used for the remote sensing of oceanic surface currents and atmospheric wind profiles. Even though they operate at different frequencies and address different media, they follow very similar processing for the…

Atmospheric and Oceanic Physics · Physics 2021-02-02 Baptiste Domps , Julien Marmain , Charles-Antoine Guérin

Object detection on VHR remote sensing images plays a vital role in applications such as urban planning, land resource management, and rescue missions. The large-scale variation of the remote-sensing targets is one of the main challenges in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Tao Chen , Ruirui Li , Jiafeng Fu , Daguang Jiang

This paper uses multi-object tracking methods known from the radar tracking community to address the problem of pedestrian tracking using 2D bounding box detections. The standard point-object (SPO) model is adopted, and the posterior…

Systems and Control · Electrical Eng. & Systems 2025-08-29 Jan Krejčí , Oliver Kost , Yuxuan Xia , Lennart Svensson , Ondřej Straka

Obstacle detection plays an important role in unmanned surface vehicles (USV). The USVs operate in highly diverse environments in which an obstacle may be a floating piece of wood, a scuba diver, a pier, or a part of a shoreline, which…

Computer Vision and Pattern Recognition · Computer Science 2015-03-09 Matej Kristan , Vildana Sulic , Stanislav Kovacic , Janez Pers

Obstacle detection is one of the basic tasks of a robot movement in an unknown environment. The use of a LiDAR (Light Detection And Ranging) sensor allows one to obtain a point cloud in the vicinity of the sensor. After processing this…

Robotics · Computer Science 2024-04-12 Lukas Kratochvila

In this study, we present a method for detecting and analyzing the velocities of moving objects in Earth observation satellite images, specifically using data from Planet Labs' push broom scanning satellites. By exploiting the sequential…

Earth and Planetary Astrophysics · Physics 2024-06-25 Eric Keto , Wesley Andres Watters

Spatial-temporal local binary pattern (STLBP) has been widely used in dynamic texture recognition. STLBP often encounters the high-dimension problem as its dimension increases exponentially, so that STLBP could only utilize a small…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Ruxin Ding , Jianfeng Ren , Heng Yu , Jiawei Li

The main challenge in 3D object detection from LiDAR point clouds is achieving real-time performance without affecting the reliability of the network. In other words, the detecting network must be confident enough about its predictions. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Youshaa Murhij , Alexander Golodkov , Dmitry Yudin

Severe background clutter is challenging in many computer vision tasks, including large-scale image retrieval. Global descriptors, that are popular due to their memory and search efficiency, are especially prone to corruption by such a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 Oriane Siméoni , Ahmet Iscen , Giorgos Tolias , Yannis Avrithis , Ondrej Chum

Satellite videos provide continuous observations of surface dynamics but pose significant challenges for multi-object tracking (MOT), especially under unstabilized conditions where platform jitter and the weak appearance of tiny objects…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jiajun Chen , Jing Xiao , Shaohan Cao , Yuming Zhu , Liang Liao , Jun Pan , Mi Wang

Tracking a target of interest in both sparse and crowded environments is a challenging problem, not yet successfully addressed in the literature. In this paper, we propose a new long-term visual tracking algorithm, learning discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Nathanael L. Baisa , Deepayan Bhowmik , Andrew Wallace

Forward-looking ground-penetrating radar (FLGPR) has recently been investigated as a remote sensing modality for buried target detection (e.g., landmines). In this context, raw FLGPR data is beamformed into images and then computerized…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Joseph A. Camilo , Leslie M. Collins , Jordan M. Malof

The non-homogeneous Poisson process (NHPP) is a widely used measurement model that allows for an object to generate multiple measurements over time. However, it can be difficult to efficiently and reliably track multiple objects under this…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Runze Gan , Qing Li , Simon Godsill

In our daily life, cluttered objects are everywhere, from scattered stationery and books cluttering the table to bowls and plates filling the kitchen sink. Retrieving a target object from clutters is an essential while challenging skill for…

Robotics · Computer Science 2024-06-05 Yitong Li , Ruihai Wu , Haoran Lu , Chuanruo Ning , Yan Shen , Guanqi Zhan , Hao Dong

This paper proposes a spatio-temporal decomposition for the detection of moving targets in multiantenna SAR. As a high resolution radar imaging modality, SAR detects and localizes non-moving targets accurately, giving it an advantage over…

Computer Vision and Pattern Recognition · Computer Science 2016-05-09 Kristjan Greenewald , Edmund Zelnio , Alfred Hero

Detection and tracking are the basic tasks of radar systems. Current joint detection tracking methods, which focus on dynamically adjusting detection thresholds from tracking results, still present challenges in fully utilizing the…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Chenyu Zhang , Yuanhang Wu , Xiaoxi Ma , Wei Yi

A multilayered particle is illuminated by plane acoustic or electromagnetic waves of one or several frequencies. We consider the inverse scattering problem for the identification of the layers and of the refraction coefficients of the…

Mathematical Physics · Physics 2016-09-07 Semion Gutman

Retrieving an object from cluttered spaces suchas cupboards, refrigerators, or bins requires tracking objects with limited or no visual sensing. In these scenarios, contact feedback is necessary to estimate the pose of the objects, yet the…

Robotics · Computer Science 2022-01-26 Sheng Zhong , Nima Fazeli , Dmitry Berenson

Point Pair Features is a widely used method to detect 3D objects in point clouds, however they are prone to fail in presence of sensor noise and background clutter. We introduce novel sampling and voting schemes that significantly reduces…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Stefan Hinterstoisser , Vincent Lepetit , Naresh Rajkumar , Kurt Konolige