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In the complex domain of microfluidics systems, analysing fluid flow patterns through random-shaped circular microchannels is significantly challenging task. Conventional approach of solving such problems using computational fluid dynamics…

Computational Engineering, Finance, and Science · Computer Science 2026-04-21 Ganesh Sahadeo Meshram , Suman Chakraborty , Nishant Sinha , Partha Pratim Chakrabarti

The U-Net was presented in 2015. With its straight-forward and successful architecture it quickly evolved to a commonly used benchmark in medical image segmentation. The adaptation of the U-Net to novel problems, however, comprises several…

The accurate and automatic extraction of roads from satellite imagery is critical for applications in navigation and urban planning, significantly reducing the need for manual annotation. Many existing methods decompose this task into…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhengyang Wei , Renzhi Jing , Yiyi He , Jenny Suckale

High resolution and advanced semantic representation are both vital for dense prediction. Empirically, low-resolution feature maps often achieve stronger semantic representation, and high-resolution feature maps generally can better…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Jian Wang , Xiang Long , Guowei Chen , Zewu Wu , Zeyu Chen , Errui Ding

Mapping is crucial for spatial reasoning, planning and robot navigation. Existing approaches range from metric, which require precise geometry-based optimization, to purely topological, where image-as-node based graphs lack explicit…

Robotics · Computer Science 2024-05-10 Sourav Garg , Krishan Rana , Mehdi Hosseinzadeh , Lachlan Mares , Niko Sünderhauf , Feras Dayoub , Ian Reid

Graph and hypergraph representation learning has attracted increasing attention from various research fields. Despite the decent performance and fruitful applications of Graph Neural Networks (GNNs), Hypergraph Neural Networks (HGNNs), and…

Machine Learning · Computer Science 2023-11-15 Minhao Zou , Zhongxue Gan , Yutong Wang , Junheng Zhang , Dongyan Sui , Chun Guan , Siyang Leng

The brain's spatial orientation system uses different neuron ensembles to aid in environment-based navigation. Two of the ways brains encode spatial information is through head direction cells and grid cells. Brains use head direction cells…

Neural and Evolutionary Computing · Computer Science 2023-09-07 Edward C. Mitchell , Brittany Story , David Boothe , Piotr J. Franaszczuk , Vasileios Maroulas

Deep learning has made a breakthrough in medical image segmentation in recent years due to its ability to extract high-level features without the need for prior knowledge. In this context, U-Net is one of the most advanced medical image…

Image and Video Processing · Electrical Eng. & Systems 2022-11-07 Prithul Sarker , Sushmita Sarker , George Bebis , Alireza Tavakkoli

Segmentation of macro and microvascular structures in fundoscopic retinal images plays a crucial role in the detection of multiple retinal and systemic diseases, yet it is a difficult problem to solve. Most neural network approaches face…

Image and Video Processing · Electrical Eng. & Systems 2022-06-30 Shikhar Mohan , Saumik Bhattacharya , Sayantari Ghosh

In the past few years, convolutional neural networks (CNNs), particularly U-Net, have been the prevailing technique in the medical image processing era. Specifically, the seminal U-Net, as well as its alternatives, have successfully managed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Reza Azad , Mohammad T. AL-Antary , Moein Heidari , Dorit Merhof

In this paper, we introduce U-Net v2, a new robust and efficient U-Net variant for medical image segmentation. It aims to augment the infusion of semantic information into low-level features while simultaneously refining high-level features…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Yaopeng Peng , Milan Sonka , Danny Z. Chen

The state-of-the-art models for medical image segmentation are variants of U-Net and fully convolutional networks (FCN). Despite their success, these models have two limitations: (1) their optimal depth is apriori unknown, requiring…

Image and Video Processing · Electrical Eng. & Systems 2020-01-30 Zongwei Zhou , Md Mahfuzur Rahman Siddiquee , Nima Tajbakhsh , Jianming Liang

Purpose: Automated distinct bone segmentation from CT scans is widely used in planning and navigation workflows. U-Net variants are known to provide excellent results in supervised semantic segmentation. However, in distinct bone…

Image and Video Processing · Electrical Eng. & Systems 2023-02-01 Eva Schnider , Julia Wolleb , Antal Huck , Mireille Toranelli , Georg Rauter , Magdalena Müller-Gerbl , Philippe C. Cattin

Nonlinear finite element crash simulations are accurate but computationally expensive, limiting their use in iterative design optimisation. Machine-learning surrogate models based on graph neural networks (GNNs) offer a faster alternative.…

Machine Learning · Computer Science 2026-05-18 Haoran Li , Tobias Lehrer , Yingxue Zhao , Haosu Zhou , Philipp Stocker , Tobias Pfaff , Nan Li

Deep learning architecture with convolutional neural network (CNN) achieves outstanding success in the field of computer vision. Where U-Net, an encoder-decoder architecture structured by CNN, makes a great breakthrough in biomedical image…

Image and Video Processing · Electrical Eng. & Systems 2023-02-13 Qing Xu , Zhicheng Ma , Na HE , Wenting Duan

Medical image segmentation is a critical task in computer vision, with UNet serving as a milestone architecture. The typical component of UNet family is the skip connection, however, their skip connections face two significant limitations:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Quansong He , Xiangde Min , Kaishen Wang , Tao He

Topology Bench is a comprehensive topology dataset designed to accelerate benchmarking studies in optical networks. The dataset, focusing on core optical networks, comprises publicly accessible and ready-to-use topologies, including (a) 105…

Networking and Internet Architecture · Computer Science 2024-11-08 Robin Matzner , Akanksha Ahuja , Rasoul Sadeghi , Michael Doherty , Alejandra Beghelli , Seb J. Savory , Polina Bayvel

Hypergraphs are characterized by complex topological structure, representing higher-order interactions among multiple entities through hyperedges. Lately, hypergraph-based deep learning methods to learn informative data representations for…

Machine Learning · Computer Science 2024-09-30 Adrián Bazaga , Pietro Liò , Gos Micklem

Urban buildings are extracted from high-resolution Earth observation (EO) images using semantic segmentation networks like U-Net and its successors. Each re-iteration aims to improve performance by employing a denser skip connection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Bipul Neupane , Jagannath Aryal , Abbas Rajabifard

Medical image segmentation is an essential prerequisite for developing healthcare systems, especially for disease diagnosis and treatment planning. On various medical image segmentation tasks, the u-shaped architecture, also known as U-Net,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Jieneng Chen , Yongyi Lu , Qihang Yu , Xiangde Luo , Ehsan Adeli , Yan Wang , Le Lu , Alan L. Yuille , Yuyin Zhou