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Reconstruction of few-view x-ray Computed Tomography (CT) data is a highly ill-posed problem. It is often used in applications that require low radiation dose in clinical CT, rapid industrial scanning, or fixed-gantry CT. Existing analytic…

Image and Video Processing · Electrical Eng. & Systems 2019-10-15 Hyojin Kim , Rushil Anirudh , K. Aditya Mohan , Kyle Champley

Reconstructing complex networks from measurable data is a fundamental problem for understanding and controlling collective dynamics of complex networked systems. However, a significant challenge arises when we attempt to decode structural…

Physics and Society · Physics 2015-11-20 Xiao Han , Zhesi Shen , Wen-Xu Wang , Zengru Di

Objective: To allow efficient learning using the Recurrent Inference Machine (RIM) for image reconstruction whereas not being strictly dependent on the training data distribution so that unseen modalities and pathologies are still…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Dimitrios Karkalousos , Kai Lønning , Hanneke E. Hulst , Serge O. Dumoulin , Jan-Jakob Sonke , Frans M. Vos , Matthan W. A. Caan

Accelerating the deep learning inference is very important for real-time applications. In this paper, we propose a novel method to fuse the layers of convolutional neural networks (CNNs) on Graphics Processing Units (GPUs), which applies…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-30 Xueying Wang , Guangli Li , Xiao Dong , Jiansong Li , Lei Liu , Xiaobing Feng

Graph neural networks (GNNs) have been applied to a large variety of applications in materials science and chemistry. Here, we recapitulate the graph construction for crystalline (periodic) materials and investigate its impact on the GNNs…

Machine Learning · Computer Science 2023-08-10 Robin Ruff , Patrick Reiser , Jan Stühmer , Pascal Friederich

Convolutional Networks have dominated the field of computer vision for the last ten years, exhibiting extremely powerful feature extraction capabilities and outstanding classification performance. The main strategy to prolong this trend…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Javier Huertas-Tato , Alejandro Martín , Julián Fierrez , David Camacho

We introduce FlowTIE, a neural-network-based framework for phase reconstruction from 4D-Scanning Transmission Electron Microscopy (STEM) data, which integrates the Transport of Intensity Equation (TIE) with a flow-based representation of…

Machine Learning · Computer Science 2025-11-12 Arya Bangun , Maximilian Töllner , Xuan Zhao , Christian Kübel , Hanno Scharr

Reverse engineering of gene regulatory networks presents one of the big challenges in systems biology. Gene regulatory networks are usually inferred from a set of single-gene over-expressions and/or knockout experiments. Functional…

Molecular Networks · Quantitative Biology 2008-06-19 Dejan Stokic , Rudolf Hanel , Stefan Thurner

Graph Neural Networks (GNNs) have opened up a potential line of research for collaborative filtering (CF). The key power of GNNs is based on injecting collaborative signal into user and item embeddings which will contain information about…

Information Retrieval · Computer Science 2025-03-28 Loc Tan Nguyen , Tin T. Tran

The creation of social ties is largely determined by the entangled effects of people's similarities in terms of individual characters and friends. However, feature and structural characters of people usually appear to be correlated, making…

Machine Learning · Computer Science 2019-10-30 Sébastien Lerique , Jacob Levy Abitbol , Márton Karsai

Recovering brain connectivity from tract tracing data is an important computational problem in the neurosciences. Mesoscopic connectome reconstruction was previously formulated as a structured matrix regression problem (Harris et al.,…

Numerical Analysis · Mathematics 2019-11-04 Patrick Kürschner , Sergey Dolgov , Kameron Decker Harris , Peter Benner

Network alignment is useful for multiple applications that require increasingly large graphs to be processed. Existing research approaches this as an optimization problem or computes the similarity based on node representations. However,…

Social and Information Networks · Computer Science 2020-08-03 Kyle K. Qin , Flora D. Salim , Yongli Ren , Wei Shao , Mark Heimann , Danai Koutra

Complex networks datasets often come with the problem of missing information: interactions data that have not been measured or discovered, may be affected by errors, or are simply hidden because of privacy issues. This Element provides an…

Physics and Society · Physics 2021-08-11 Giulio Cimini , Rossana Mastrandrea , Tiziano Squartini

Purpose: Recent developments in hardware design enable the use of Fast Field-Cycling (FFC) techniques in MRI to exploit the different relaxation rates at very low field strength, achieving novel contrast. The method opens new avenues for in…

Signal Processing · Electrical Eng. & Systems 2021-05-19 Markus Bödenler , Oliver Maier , Rudolf Stollberger , Lionel M. Broche , P. James Ross , Mary-Joan MacLeod , Hermann Scharfetter

In this work, we seek to improve the velocity reconstruction of clusters by using Graph Neural Networks -- a type of deep neural network designed to analyze sparse, unstructured data. In comparison to the Convolutional Neural Network (CNN)…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-23 Hideki Tanimura , Albert Bonnefous , Jia Liu , Sanmay Ganguly

The robustness of the much-used Graph Convolutional Networks (GCNs) to perturbations of their input is becoming a topic of increasing importance. In this paper, the random GCN is introduced for which a random matrix theory analysis is…

Machine Learning · Computer Science 2022-02-22 Mohamed El Amine Seddik , Changmin Wu , Johannes F. Lutzeyer , Michalis Vazirgiannis

Fast and accurate muon reconstruction is crucial for neutrino telescopes to improve experimental sensitivity and enable online triggering. This paper introduces a hybrid-graph neural network (GNN) method tailored for efficient muon track…

High Energy Physics - Experiment · Physics 2025-11-10 Cen Mo , Liang Li

This paper investigates the problem of network embedding, which aims at learning low-dimensional vector representation of nodes in networks. Most existing network embedding methods rely solely on the network structure, i.e., the linkage…

Social and Information Networks · Computer Science 2016-10-19 Xiaofei Sun , Jiang Guo , Xiao Ding , Ting Liu

The sheer amounts of biological data that are generated in recent years have driven the development of network analysis tools to facilitate the interpretation and representation of these data. A fundamental challenge in this domain is the…

Quantitative Methods · Quantitative Biology 2013-07-31 Arnon Mazza , Irit Gat-Viks , Hesso Farhan , Roded Sharan

Graph-based reasoning over skeleton data has emerged as a promising approach for human action recognition. However, the application of prior graph-based methods, which predominantly employ whole temporal sequences as their input, to the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Lukas Hedegaard , Negar Heidari , Alexandros Iosifidis