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Constructing a high-performance target detector under the background of sea clutter is always necessary and important. In this work, we propose a RepVGGA0-CWT detector, where RepVGG is a residual network that gains a high detection…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Jingchen Ni , Haoru Li , Lilin Xu , Jing Liang

Single Object Tracking in LiDAR point cloud is one of the most essential parts of environmental perception, in which small objects are inevitable in real-world scenarios and will bring a significant barrier to the accurate location.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Shengjing Tian , Yinan Han , Xiuping Liu , Xiantong Zhao

Detecting small targets at range is difficult because there is not enough spatial information present in an image sub-region containing the target to use correlation-based methods to differentiate it from dynamic confusers present in the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Tegan Emerson , Sarah Tymochko , George Stantchev , Jason A. Edelberg , Michael Wilson , Colin C. Olson

For an autonomous surface vessel (ASV) to dock, it must track other vessels close to the docking area. Kayaks present a particular challenge due to their proximity to the dock and relatively small size. Maritime target tracking has…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Nicholas Dalhaug , Annette Stahl , Rudolf Mester , Edmund Førland Brekke

Detection and tracking of dynamic objects is a key feature for autonomous behavior in a continuously changing environment. With the increasing popularity and capability of micro aerial vehicles (MAVs) efficient algorithms have to be…

Robotics · Computer Science 2019-03-15 Jan Razlaw , Jan Quenzel , Sven Behnke

Motivated by applications in unmanned aerial based ground penetrating radar for detecting buried landmines, we consider the problem of imaging small point like scatterers situated in a lossy medium below a random rough surface. Both the…

Signal Processing · Electrical Eng. & Systems 2023-03-24 Arnold D. Kim , Chrysoula Tsogka

Automotive radar sensors output a lot of unwanted clutter or ghost detections, whose position and velocity do not correspond to any real object in the sensor's field of view. This poses a substantial challenge for environment perception…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Johannes Kopp , Dominik Kellner , Aldi Piroli , Klaus Dietmayer

Space-time adaptive processing (STAP) is an effective tool for detecting a moving target in spaceborne or airborne radar systems. Statistical-based STAP methods generally need sufficient statistically independent and identically distributed…

Information Theory · Computer Science 2010-08-26 Ke Sun , Hao Zhang , Gang Li , Huadong Meng , Xiqin Wang

The increasing deployment of small drones as tools of conflict and disruption has amplified their threat, highlighting the urgent need for effective anti-drone measures. However, the compact size of most drones presents a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Hanfang Liang , Jinming Hu , Xiaohuan Ling , Bing Wang

Modern radar systems are designed to have high Doppler tolerance to detect fast-moving targets. This means range and Doppler estimations are inevitably coupled, opening pathways to concealing objects by imprinting artificial Doppler…

Signal Processing · Electrical Eng. & Systems 2023-05-17 V. Kozlov , D. Vovchuk , P. Ginzburg

Recognition of occluded objects in unseen indoor environments is a challenging problem for mobile robots. This work proposes a new slicing-based topological descriptor that captures the 3D shape of object point clouds to address this…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Ekta U. Samani , Ashis G. Banerjee

Detecting the presence of subspace signals with unknown clutter (or interference) is a widely known difficult problem encountered in various signal processing applications. Traditional methods fails to solve this problem because they…

Information Theory · Computer Science 2015-12-17 Hailong Shi , Hao Zhang , Xiqin Wang

Conducting surveillance of the Earth's orbit is a key task towards achieving space situational awareness (SSA). Our work focuses on the optical detection of man-made objects (e.g., satellites, space debris) in Geostationary orbit (GEO),…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Daqi Liu , Bo Chen , Tat-Jun Chin , Mark Rutten

The unique properties of radar sensors, such as their robustness to adverse weather conditions, make them an important part of the environment perception system of autonomous vehicles. One of the first steps during the processing of radar…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Johannes Kopp , Dominik Kellner , Aldi Piroli , Vinzenz Dallabetta , Klaus Dietmayer

3D object detection from monocular image(s) is a challenging and long-standing problem of computer vision. To combine information from different perspectives without troublesome 2D instance tracking, recent methods tend to aggregate…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Jianlin Liu , Zhuofei Huang , Dihe Huang , Shang Xu , Ying Chen , Yong Liu

The problem of radar detection in compound Gaussian clutter when a radar signature is not completely known has not been considered yet and is addressed in this paper. We proposed a robust technique to detect, based on the generalized…

Signal Processing · Electrical Eng. & Systems 2017-10-10 Mai P. T. Nguyen , I. Song

We propose a metric called the bistatic radar detection coverage probability to evaluate the detection performance of a bistatic radar under discrete clutter conditions. Such conditions are commonly encountered in indoor and outdoor…

Signal Processing · Electrical Eng. & Systems 2022-01-25 Shobha Sundar Ram , Gourab Ghatak

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

We present a robust multi-robot convoying approach that relies on visual detection of the leading agent, thus enabling target following in unstructured 3-D environments. Our method is based on the idea of tracking-by-detection, which…

Abundant in coastal areas, sea turtles are affected by high-intensity acoustic anthropogenic sounds. In this paper, we offer a pattern analysis-based detection approach to serve as a warning system for the existence of nearby sea turtles.…

Signal Processing · Electrical Eng. & Systems 2022-05-20 Dror Kipnis , Yaniv Levy , Roee Diamant