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Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

To aide simultaneous localization and mapping (SLAM), future perception systems will incorporate forms of scene understanding. In a step towards fully integrated probabilistic geometric scene understanding, localization and mapping we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Julian Straub , Randi Cabezas , John Leonard , John W. Fisher

In the literature, coarse-to-fine or scale-recurrent approach i.e. progressively restoring a clean image from its low-resolution versions has been successfully employed for single image deblurring. However, a major disadvantage of existing…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Praveen Kandula , Rajagopalan. A. N

Accurate predictions of ship trajectories in crowded environments are essential to ensure safety in inland waterways traffic. Recent advances in deep learning promise increased accuracy even for complex scenarios. While the challenge of…

Machine Learning · Computer Science 2026-03-06 Tom Legel , Dirk Söffker , Roland Schätzle , Kathrin Donandt

This paper presents a fully unsupervised deep change detection approach for mobile robots with 3D LiDAR. In unstructured environments, it is infeasible to define a closed set of semantic classes. Instead, semantic segmentation is…

Robotics · Computer Science 2024-05-01 Alexander Krawciw , Jordy Sehn , Timothy D. Barfoot

Intelligent detection and tracking of the vessels on the sea play a significant role in conducting traffic avoidance in unmanned surface vessels(USV). Current traffic avoidance software relies mainly on Automated Identification System (AIS)…

Artificial Intelligence · Computer Science 2024-05-21 Srikanth Vemula , Eulises Franco , Michael Frye

The ship-detection task in satellite imagery presents significant obstacles to even the most state of the art segmentation models due to lack of labelled dataset or approaches which are not able to generalize to unseen images. The most…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Venkatesh R , Anand Metha

Deep learning has not been routinely employed for semantic segmentation of seabed environment for synthetic aperture sonar (SAS) imagery due to the implicit need of abundant training data such methods necessitate. Abundant training data,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Yung-Chen Sun , Isaac D. Gerg , Vishal Monga

A new obstacle detection algorithm for unmanned surface vehicles (USVs) is presented. A state-of-the-art graphical model for semantic segmentation is extended to incorporate boat pitch and roll measurements from the on-board inertial…

Robotics · Computer Science 2020-01-07 Borja Bovcon , Rok Mandeljc , Janez Perš , Matej Kristan

The Segmentation Anything Model (SAM) requires labor-intensive data labeling. We present Unsupervised SAM (UnSAM) for promptable and automatic whole-image segmentation that does not require human annotations. UnSAM utilizes a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 XuDong Wang , Jingfeng Yang , Trevor Darrell

Small area change detection from synthetic aperture radar (SAR) is a highly challenging task. In this paper, a robust unsupervised approach is proposed for small area change detection from multi-temporal SAR images using deep learning.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Xinzheng Zhang , Hang Su , Ce Zhang , Xiaowei Gu , Xiaoheng Tan , Peter M. Atkinson

Maritime surveillance is not only necessary for every country, such as in maritime safeguarding and fishing controls, but also plays an essential role in international fields, such as in rescue support and illegal immigration control. Most…

Image and Video Processing · Electrical Eng. & Systems 2023-11-09 Chenwei Wang , Siyi Luo , Jifang Pei , Yulin Huang , Yin Zhang , Jianyu Yang

Vehicle detection and localization in complex traffic scenarios pose significant challenges due to the interference of moving objects. Traditional methods often rely on outlier exclusions or semantic segmentations, which suffer from low…

Robotics · Computer Science 2025-01-29 Yinqi Chen , Meiying Zhang , Qi Hao , Guang Zhou

Lane detection is a crucial perception task for all levels of automated vehicles (AVs) and Advanced Driver Assistance Systems, particularly in mixed-traffic environments where AVs must interact with human-driven vehicles (HDVs) and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Sandeep Patil , Yongqi Dong , Haneen Farah , Hans Hellendoorn

Existing underwater SLAM systems are difficult to work effectively in texture-sparse and geometrically degraded underwater environments, resulting in intermittent tracking and sparse mapping. Therefore, we present Water-DSLAM, a novel…

Robotics · Computer Science 2025-05-01 Yaming Ou , Junfeng Fan , Chao Zhou , Pengju Zhang , Zongyuan Shen , Yichen Fu , Xiaoyan Liu , Zengguang Hou

Synthetic aperture radar (SAR) has been extensively utilized in maritime domains due to its all-weather, all-day monitoring capabilities, particularly exhibiting significant value in ship detection. In recent years, deep learning methods…

Image and Video Processing · Electrical Eng. & Systems 2024-01-17 Hecheng Jia , Feng Xu

Unsupervised image semantic segmentation(UISS) aims to match low-level visual features with semantic-level representations without outer supervision. In this paper, we address the critical properties from the view of feature alignments and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Daoan Zhang , Chenming Li , Haoquan Li , Wenjian Huang , Lingyun Huang , Jianguo Zhang

The development of compact and energy-efficient wearable sensors has led to an increase in the availability of biosignals. To analyze these continuously recorded, and often multidimensional, time series at scale, being able to conduct…

Machine Learning · Computer Science 2022-08-02 Knut J. Strømmen , Jim Tørresen , Ulysse Côté-Allard

Unmanned surface vehicles (USVs) and boats are increasingly important in maritime operations, yet their deployment is limited due to costly sensors and complexity. LiDAR, radar, and depth cameras are either costly, yield sparse point clouds…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Benjamin Kiefer , Yitong Quan , Andreas Zell

In this paper, we propose Double Supervised Network with Attention Mechanism (DSAN), a novel end-to-end trainable framework for scene text recognition. It incorporates one text attention module during feature extraction which enforces the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Yuting Gao , Zheng Huang , Yuchen Dai , Cheng Xu , Kai Chen , Jie Tuo