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Graphs are versatile tools for representing structured data. As a result, a variety of machine learning methods have been studied for graph data analysis. Although many such learning methods depend on the measurement of differences between…

Machine Learning · Statistics 2021-06-18 Tomoki Yoshida , Ichiro Takeuchi , Masayuki Karasuyama

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

Computing visibility on a geometric object requires heavy computations since it requires to identify pairs of points that are visible to each other, i.e. there is a straight segment joining them that stays in the close vicinity of the…

Computational Geometry · Computer Science 2026-03-13 Romain Negro , Jacques-Olivier Lachaud

Vessel structure is one of the most important parts of the retina which physicians can detect many diseases by analysing its features. Localization of blood vessels in retina images is an important process in medical image analysis. This…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Vahid Mohammadi Safarzadeh

We present a data-driven framework to automate the vectorization and machine interpretation of 2D engineering part drawings. In industrial settings, most manufacturing engineers still rely on manual reads to identify the topological and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Wentai Zhang , Joe Joseph , Yue Yin , Liuyue Xie , Tomotake Furuhata , Soji Yamakawa , Kenji Shimada , Levent Burak Kara

The flow patterns created by a coherent horizontal liquid jet impinging on a vertical wall atmoderate flow rates (jet flowrates 0.5-4.0 L min-1, jet velocities 2.6-21 m s-1) are studied withwater on glass, polypropylene and…

Fluid Dynamics · Physics 2024-07-23 W. Aouad , Julien R. Landel , S. B. Dalziel , J. F. Davidson , D. I. Wilson

Obstacle detection plays an important role in unmanned surface vehicles (USV). The USVs operate in highly diverse environments in which an obstacle may be a floating piece of wood, a scuba diver, a pier, or a part of a shoreline, which…

Computer Vision and Pattern Recognition · Computer Science 2015-03-09 Matej Kristan , Vildana Sulic , Stanislav Kovacic , Janez Pers

Learning object segmentation in image and video datasets without human supervision is a challenging problem. Humans easily identify moving salient objects in videos using the gestalt principle of common fate, which suggests that what moves…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Silky Singh , Shripad Deshmukh , Mausoom Sarkar , Balaji Krishnamurthy

Inspired by graph-based methodologies, we introduce a novel graph-spanning algorithm designed to identify changes in both offline and online data across low to high dimensions. This versatile approach is applicable to Euclidean and…

Machine Learning · Statistics 2026-01-09 Yang-Wen Sun , Katerina Papagiannouli , Vladimir Spokoiny

In this work, we utilize image segmentation to visually identify blood vessels in retinal examination images. This process is typically carried out manually. However, we can employ heuristic methods and machine learning to automate or at…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 João Henrique Pereira Machado , Gilson Adamczuk Oliveira , Érick Oliveira Rodrigues

As a non-invasive imaging modality, optical coherence tomography (OCT) can provide micrometer-resolution 3D images of retinal structures. Therefore it is commonly used in the diagnosis of retinal diseases associated with edema in and under…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Donghuan Lu , Morgan Heisler , Sieun Lee , Gavin Ding , Marinko V. Sarunic , Mirza Faisal Beg

Shot boundary detection in video is one of the key stages of video data processing. A new method for shot boundary detection based on several video features, such as color histograms and object boundaries, has been proposed. The developed…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Alexander Gushchin , Anastasia Antsiferova , Dmitriy Vatolin

Automatic analysis of retinal blood images is of vital importance in diagnosis tasks of retinopathy. Segmenting vessels accurately is a fundamental step in analysing retinal images. However, it is usually difficult due to various imaging…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Yishuo Zhang , Albert C. S. Chung

Segmentation is often an essential intermediate step in image analysis. A volume segmentation characterizes the underlying volume image in terms of geometric information--segments, faces between segments, curves in which several faces…

Computational Geometry · Computer Science 2010-10-01 Bjoern Andres , Ullrich Koethe , Thorben Kroeger , Fred A. Hamprecht

This paper presents a CAD-based approach for automated surface defect detection. We leverage the a-priori knowledge embedded in a CAD model and integrate it with point cloud data acquired from commercially available stereo and depth…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Matteo Dalle Vedove , Matteo Bonetto , Edoardo Lamon , Luigi Palopoli , Matteo Saveriano , Daniele Fontanelli

We study information-theoretic phase transitions for the detectability of latent geometry in bipartite random geometric graphs RGGs with Gaussian d-dimensional latent vectors while only a subset of edges carries latent information…

Probability · Mathematics 2026-04-13 Andreas Göbel , Marcus Pappik , Leon Schiller

Crack detection is of great significance for monitoring the integrity and well-being of the infrastructure such as bridges and underground pipelines, which are harsh environments for people to access. In recent years, computer vision…

Robotics · Computer Science 2021-05-14 Jiaqi Jiang , Guanqun Cao , Daniel Fernandes Gomes , Shan Luo

The precise delineation of blood vessels in medical images is critical for many clinical applications, including pathology detection and surgical planning. However, fully-automated vascular segmentation is challenging because of the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Amine Sadikine , Bogdan Badic , Enzo Ferrante , Vincent Noblet , Pascal Ballet , Dimitris Visvikis , Pierre-Henri Conze

In drug discovery, knowledge of the graph structure of chemical compounds is essential. Many thousands of scientific articles in chemistry and pharmaceutical sciences have investigated chemical compounds, but in cases the details of the…

Machine Learning · Statistics 2020-09-16 Martijn Oldenhof , Adam Arany , Yves Moreau , Jaak Simm

In manufacturing processes, surface inspection is a key requirement for quality assessment and damage localization. Due to this, automated surface anomaly detection has become a promising area of research in various industrial inspection…