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Detecting and tracking objects is a crucial component of any autonomous navigation method. For the past decades, object detection has yielded promising results using neural networks on various datasets. While many methods focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Mathis Morales , Golnaz Habibi

Indiscernible marine object counting encounters numerous challenges, including limited visibility in underwater scenes, mutual occlusion and overlap among objects, and the dynamic similarity in appearance, color, and texture between the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Chengzhi Ma , Kunqian Li , Shuaixin Liu , Han Mei

The NavINST Laboratory has developed a comprehensive multisensory dataset from various road-test trajectories in urban environments, featuring diverse lighting conditions, including indoor garage scenarios with dense 3D maps. This dataset…

Detecting ships in synthetic aperture radar (SAR) images is challenging due to strong speckle noise, complex surroundings, and varying scales. This paper proposes MLDet, a multitask learning framework for SAR ship detection, consisting of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Ming Zhao , Xin Zhang , André Kaup

Linear perspectivecues deriving from regularities of the built environment can be used to recalibrate both intrinsic and extrinsic camera parameters online, but these estimates can be unreliable due to irregularities in the scene,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Yiming Qian , James H. Elder

In this paper, we introduce a challenging global large-scale ship database (called GLSD), designed specifically for ship detection tasks. The designed GLSD database includes a total of 212,357 annotated instances from 152,576 images. Based…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Zhenfeng Shao , Jiaming Wang , Lianbing Deng , Xiao Huang , Tao Lu , Fang Luo , Ruiqian Zhang , Xianwei Lv , Chaoya Dang , Qing Ding , Zhiqiang Wang

Vehicle localization using roadside LiDARs can provide centimeter-level accuracy for cloud-controlled vehicles while simultaneously serving multiple vehicles, enhanc-ing safety and efficiency. While most existing studies rely on repetitive…

Robotics · Computer Science 2025-09-22 Runxin Zhao , Chunxiang Wang , Hanyang Zhuang , Ming Yang

Environmental monitoring of lakeside green areas is crucial for environmental protection. Compared to manual inspections, computer vision technologies offer a more efficient solution when deployed on-site. Multispectral imaging provides…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Qinfeng Zhu , Ningxin Weng , Lei Fan , Yuanzhi Cai

The detection of flooded areas using high-resolution synthetic aperture radar (SAR) imagery is a critical task with applications in crisis and disaster management, as well as environmental resource planning. However, the complex nature of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Tamer Saleh , Xingxing Weng , Shimaa Holail , Chen Hao , Gui-Song Xia

Remote sensing images are useful for a wide variety of planet monitoring applications, from tracking deforestation to tackling illegal fishing. The Earth is extremely diverse -- the amount of potential tasks in remote sensing images is…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Favyen Bastani , Piper Wolters , Ritwik Gupta , Joe Ferdinando , Aniruddha Kembhavi

Visibility underwater is challenging, and degrades as the distance between the subject and camera increases, making vision tasks in the forward-looking direction more difficult. We have collected underwater forward-looking stereo-vision and…

Robotics · Computer Science 2023-02-27 Yelena Randall , Tali Treibitz

One of the key factors behind the recent success in visual tracking is the availability of dedicated benchmarks. While being greatly benefiting to the tracking research, existing benchmarks do not pose the same difficulty as before with…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Mubashir Noman , Wafa Al Ghallabi , Daniya Najiha , Christoph Mayer , Akshay Dudhane , Martin Danelljan , Hisham Cholakkal , Salman Khan , Luc Van Gool , Fahad Shahbaz Khan

We introduce the Lecture Video Visual Objects (LVVO) dataset, a new benchmark for visual object detection in educational video content. The dataset consists of 4,000 frames extracted from 245 lecture videos spanning biology, computer…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Dipayan Biswas , Shishir Shah , Jaspal Subhlok

Generic event boundary detection is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. The main challenge of this task is perceiving various…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Jiaqi Tang , Zhaoyang Liu , Chen Qian , Wayne Wu , Limin Wang

We introduce a framework for navigating through cluttered environments by connecting multiple cameras together while simultaneously preserving privacy. Occlusions and obstacles in large environments are often challenging situations for…

Machine Learning · Computer Science 2022-12-05 Hui Lu , Mia Chiquier , Carl Vondrick

Underwater robotic vision encounters significant challenges, necessitating advanced solutions to enhance performance and adaptability. This paper presents MARS (Multi-Scale Adaptive Robotics Vision), a novel approach to underwater object…

Robotics · Computer Science 2023-12-27 Lyes Saad Saoud , Lakmal Seneviratne , Irfan Hussain

Tasks such as autonomous navigation, 3D reconstruction, and object recognition near the water surfaces are crucial in marine robotics applications. However, challenges arise due to dynamic disturbances, e.g., light reflections and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Jiayi Wu , Xiaomin Lin , Shahriar Negahdaripour , Cornelia Fermüller , Yiannis Aloimonos

Existing ocean front detection methods--including histogram-based variance analysis, Lyapunov exponent, gradient thresholding, and machine learning--suffer from critical limitations: discontinuous outputs, over-detection, reliance on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Yishuo Wang , Feng Zhou , Qicheng Meng , Muping Zhou , Zhijun Hu , Chengqing Zhang , Tianhao Zhao

Historical watermark recognition is a highly practical, yet unsolved challenge for archivists and historians. With a large number of well-defined classes, cluttered and noisy samples, different types of representations, both subtle…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Xi Shen , Ilaria Pastrolin , Oumayma Bounou , Spyros Gidaris , Marc Smith , Olivier Poncet , Mathieu Aubry

Underwater imaging is fundamentally challenging due to wavelength-dependent light attenuation, strong scattering from suspended particles, turbidity-induced blur, and non-uniform illumination. These effects impair standard cameras and make…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Nick Truong , Pritam P. Karmokar , William J. Beksi