English
Related papers

Related papers: Temporal Context for Robust Maritime Obstacle Dete…

200 papers

LiDAR-based 3D object detection models have traditionally struggled under rainy conditions due to the degraded and noisy scanning signals. Previous research has attempted to address this by simulating the noise from rain to improve the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Xun Huang , Hai Wu , Xin Li , Xiaoliang Fan , Chenglu Wen , Cheng Wang

LiDAR sensors are used in autonomous driving applications to accurately perceive the environment. However, they are affected by adverse weather conditions such as snow, fog, and rain. These everyday phenomena introduce unwanted noise into…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer

Vessel navigation is influenced by various factors, such as dynamic environmental factors that change over time or static features such as vessel type or depth of the ocean. These dynamic and static navigational factors impose limitations…

Machine Learning · Computer Science 2022-04-27 Dogan Altan , Mohammad Etemad , Dusica Marijan , Tetyana Kholodna

3D Gaussian splatting (3DGS) offers the capability to achieve real-time high quality 3D scene rendering. However, 3DGS assumes that the scene is in a clear medium environment and struggles to generate satisfactory representations in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Haoran Wang , Nantheera Anantrasirichai , Fan Zhang , David Bull

In this paper, we study a new data mining problem of obstacle detection from trajectory data. Intuitively, given two kinds of trajectories, i.e., reference and query trajectories, the obstacle is a region such that most query trajectories…

Databases · Computer Science 2022-02-23 Yifan Lei , Qiang Huang , Mohan Kankanhalli , Anthony Tung

This paper presents an infrastructure-free approach for obstacle detection and environmental mapping using ultra-wideband (UWB) radar mounted on a mobile robotic platform. Traditional sensing modalities such as visual cameras and Light…

Robotics · Computer Science 2026-03-04 Adelina Giurea , Stijn Luchie , Dieter Coppens , Jeroen Hoebeke , Eli De Poorter

Video super-resolution (VSR) aims to estimate a high-resolution (HR) frame from a low-resolution (LR) frames. The key challenge for VSR lies in the effective exploitation of spatial correlation in an intra-frame and temporal dependency…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Young-Ju Choi , Young-Woon Lee , Byung-Gyu Kim

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

The atmospheric and water turbulence mitigation problems have emerged as challenging inverse problems in computer vision and optics communities over the years. However, current methods either rely heavily on the quality of the training…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Weiyun Jiang , Yuhao Liu , Vivek Boominathan , Ashok Veeraraghavan

In the maritime sector, safe vessel navigation is of great importance, particularly in congested harbors and waterways. The focus of this work is to estimate the distance between an object of interest and potential obstacles using a…

Robotics · Computer Science 2021-08-10 Jonas le Fevre Sejersen , Rui Pimentel de Figueiredo , Erdal Kayacan

The increasing demand for autonomous machines in construction environments necessitates the development of robust object detection algorithms that can perform effectively across various weather and environmental conditions. This paper…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Maghsood Salimi , Mohammad Loni , Sara Afshar , Antonio Cicchetti , Marjan Sirjani

In detecting shallow buried underground objects, reflected power from ground, i.e. ground surface clutter makes the task extremely difficult. In order to remove ground clutter, conventional methods in the literature are not as much…

Signal Processing · Electrical Eng. & Systems 2019-10-18 Ali Gharamohammadi , Fereidoon Behnia , Arash Shokouhmand

Weakly supervised object detection (WSOD) aims at learning precise object detectors with only image-level tags. In spite of intensive research on deep learning (DL) approaches over the past few years, there is still a significant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Qi Lai , ChiMan Vong

The influence of atmospheric turbulence on acquired surveillance imagery poses significant challenges in image interpretation and scene analysis. Conventional approaches for target classification and tracking are less effective under such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Disen Hu , Nantheera Anantrasirichai

UAVs equipped with a single depth camera encounter significant challenges in dynamic obstacle avoidance due to limited field of view and inevitable blind spots. While active vision strategies that steer onboard cameras have been proposed to…

Robotics · Computer Science 2025-10-21 Chi Zhang , Xian Huang , Wei Dong

A fundamental problem for waveform-agile radar systems is that the true environment is unknown, and transmission policies which perform well for a particular tracking instance may be sub-optimal for another. Additionally, there is a limited…

Information Theory · Computer Science 2021-10-25 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

The complex marine environment exacerbates the challenges of object detection manifold. Marine trash endangers the aquatic ecosystem, presenting a persistent challenge. Accurate detection of marine deposits is crucial for mitigating this…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Muhammad Ali , Salman Khan

Tiny object detection is one of the key challenges in the field of object detection. The performance of most generic detectors dramatically decreases in tiny object detection tasks. The main challenge lies in extracting effective features…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bing Cao , Haiyu Yao , Pengfei Zhu , Qinghua Hu

Wearable human activity recognition (WHAR) models often suffer from performance degradation under real-world cross-user distribution shifts. Test-time adaptation (TTA) mitigates this degradation by adapting models online using unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zishu Zhou , Zaipeng Xie , Xuanyao Jie

When employing underwater vehicles for the autonomous inspection of assets, it is crucial to consider and assess the water conditions. These conditions significantly impact visibility and directly affect robotic operations. Turbidity can…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Alexandre Cardaillac , Donald G. Dansereau