English
Related papers

Related papers: Detection of Ship Wakes in SAR Imagery Using Cauch…

200 papers

This paper presents a radar cross-section (RCS)-based statistical recognition system for identifying/ classifying unmanned aerial vehicles (UAVs) at microwave frequencies. First, the paper presents the results of the vertical (VV) and…

Signal Processing · Electrical Eng. & Systems 2021-02-25 Martins Ezuma , Chethan Kumar Anjinappa , Mark Funderburk , Ismail Guvenc

Pre-screening of ship proposals is now employed by top ship detectors to avoid exhaustive search across image. In very high resolution (VHR) optical image, ships appeared as a cluster of abnormal bright pixels in open sea clutter…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Viet Hung Luu , Nguyen Hoang Hoa Luong , Quang Hung Bui , Thi Nhat Thanh Nguyen

Computer-Aided Diagnosis systems are required to extract suitable information about retina and its changes. In particular, identifying objects of interest such as lesions and anatomical structures from the retinal images is a challenging…

Medical Physics · Physics 2020-05-20 Meysam Tavakoli , Mahdieh Nazar , Alireza Mehdizadeh

Array synthetic aperture radar (SAR) three-dimensional (3D) imaging can obtain 3D information of the target region, which is widely used in environmental monitoring and scattering information measurement. In recent years, with the…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Yangyang Wang , Xu Zhan , Jing Gao , Jinjie Yao , Shunjun Wei , JianSheng Bai

In this paper, we revisit the problem of classifying ships (maritime vessels) detected from overhead imagery. Despite the last decade of research on this very important and pertinent problem, it remains largely unsolved. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Chris M. Ward , Josh Harguess , Cameron Hilton

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

Signal Processing · Electrical Eng. & Systems 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

In this paper, we present a ship detection pipeline for low-cost medium resolution satellite optical imagery obtained from ESA Sentinel-2 and Planet Labs Dove constellations. This optical satellite imagery is readily available for any place…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Dejan Stepec , Tomaz Martincic , Danijel Skocaj

In the recent decade, electronic technology gets advanced day by day the methodologies too should update. For the purpose of ranging various methods such Radio Detection and Ranging (RADAR), Light Detection and Ranging (LIDAR) and Sonic…

Robotics · Computer Science 2021-06-28 Md Ziaul Haque Zim , Nimai Chandra Das

Recently anomaly detection (AD) has become an important application for target detection in hyperspectral remotely sensed images. In many applications, in addition to high accuracy of detection we need a fast and reliable algorithm as well.…

Other Computer Science · Computer Science 2012-01-11 Mohsen Zare Baghbidi , Kamal Jamshidi , Ahmad Reza Naghsh Nilchi , Saeid Homayouni

Marine vessel re-identification technology is an important component of intelligent shipping systems and an important part of the visual perception tasks required for marine surveillance. However, unlike the situation on land, the maritime…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Guangmiao Zeng , Wanneng Yu , Rongjie Wang , Anhui Lin

Unmanned Aerial Vehicles (UAVs) are known for their fast and versatile applicability. With UAVs' growth in availability and applications, they are now of vital importance in serving as technological support in search-and-rescue(SAR)…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Xiaomin Lin , Cheng Liu , Allen Pattillo , Miao Yu , Yiannis Aloimonous

Cartesian-grid methods with Adaptive Mesh Refinement (AMR) are ideally suited for simulating the breaking of waves, the formation of spray, and the entrainment of air around ships. As a result of the cartesian-grid formulation, minimal…

Underwater object detection is crucial for autonomous navigation, environmental monitoring, and marine exploration, but it is severely hampered by light attenuation, turbidity, and occlusion. Current methods balance accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Tinh Nguyen

Optical remote sensing and Synthetic Aperture Radar(SAR) remote sensing are crucial for earth observation, offering complementary capabilities. While optical sensors provide high-quality images, they are limited by weather and lighting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Hannuo Zhang , Huihui Li , Jiarui Lin , Yujie Zhang , Jianghua Fan , Hang Liu

This paper introduces a single-channel SAR algorithm designed to detect and produce high-fidelity images of moving targets in spotlight mode. The proposed fast backprojection algorithm utilizes multi-level interpolations and aggregation of…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Raz Rajwan , Amir Boag

Bridges are an essential part of the transportation infrastructure and need to be monitored periodically. Visual inspections by dedicated teams have been one of the primary tools in structural health monitoring (SHM) of bridge structures.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Seyed Omid Sajedi , Xiao Liang

Driver drowsiness is a major cause of traffic accidents worldwide, posing a serious threat to public safety. Vision-based driver monitoring systems often rely on fixed Eye Aspect Ratio (EAR) and Mouth Aspect Ratio (MAR) thresholds; however,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Gökdeniz Ersoy , Mehmet Alper Tatar , Eray Tonbul , Serap Kırbız

Synthetic aperture radar (SAR) image change detection is a critical yet challenging task in the field of remote sensing image analysis. The task is non-trivial due to the following challenges: Firstly, intrinsic speckle noise of SAR images…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Yunhao Gao , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Frequency modulated continuous wave (FMCW) radar is emerging as a trendy radar system for synthetic aperture radar (SAR). This letter proposes a novel method for the extraction of the SAR image with the FMCW radar. The proposed method can…

Signal Processing · Electrical Eng. & Systems 2020-10-01 Junhyeong Park , Dae-Hwan Jung , Seong-Ook Park

Our previously reported survey of the Low Earth Orbit (LEO) environment using the Murchison Widefield Array (MWA) detected over 70 unique Resident Space Objects (RSOs) over multiple passes, from 20 hours of observations in passive radar…

Instrumentation and Methods for Astrophysics · Physics 2022-07-20 Steve Prabu , Paul J Hancock , Xiang Zhang , Steven J Tingay , Torrance Hodgson , Brian Crosse , Melanie Johnston-Hollitt