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Thin-plate splines can be used for interpolation of image values, but can also be used to represent a smooth surface, such as the boundary between two structures. We present a method for partitioning vertebra segmentation masks into two…

图像与视频处理 · 电气工程与系统科学 2019-07-27 Nikolas Lessmann , Jelmer M. Wolterink , Majd Zreik , Max A. Viergever , Bram van Ginneken , Ivana Išgum

The radiation damage in 200 um thick Schottky diodes made on semi-insulating (SI) undoped GaAs Liquid Encapsulated Czochralski (LEC) bulk material with resistivities between 0.4 and 8.9*10E7 Ohm*cm were studied using alpha-spectroscopy,…

高能物理 - 实验 · 物理学 2007-05-23 M. Rogalla , Th. Eich , N. Evans , S. Joost , M. Kienzle , R. Geppert , R. Goeppert , R. Irsigler , J. Ludwig , K. Runge , Th. Schmid

200 nm thick SiO2 layers grown on Si substrates and Ge ions of 150 keV energy were implanted into SiO2 matrix with Different fluences. The implanted samples were annealed at 950 C for 30 minutes in Ar ambience. Topographical studies of…

材料科学 · 物理学 2017-05-31 R. P. Yadav , V. Baranwal , Sunil Kumar , Avinash C Pandey , A. K. Mittal

The extreme sensitivity of 2D materials to defects and nanostructure requires precise imaging techniques to verify presence of desirable and absence of undesirable features in the atomic geometry. Helium-ion beams have emerged as a…

材料科学 · 物理学 2022-05-19 Alina Kononov , Alexandra Olmstead , Andrew D. Baczewski , Andre Schleife

The topology of isofrequency surfaces of a magnetic-semiconductor superlattice influenced by an external static magnetic field is studied. In particular, in the given structure, topology transitions from standard closed forms of spheres and…

光学 · 物理学 2017-11-07 Vladimir R. Tuz , Illia V. Fedorin , Volodymyr I. Fesenko

After the discovery of GMR by Fert and Gr\"unberg, electronics had a breakthrough with the birth of a new branch called spintronics. This discipline, while still young, exploits the spin of electrons. Most quantum devices exploiting this…

介观与纳米尺度物理 · 物理学 2015-01-27 Yann Claveau

The evolution of dynamic processes in graphene-family materials are of great interest for both scientific purposes and technical applications. Scanning electron microscopy and transmission electron microscopy outstand among the techniques…

We present a graph bisection and partitioning algorithm based on graph neural networks. For each node in the graph, the network outputs probabilities for each of the partitions. The graph neural network consists of two modules: an embedding…

机器学习 · 计算机科学 2021-12-09 Alice Gatti , Zhixiong Hu , Tess Smidt , Esmond G. Ng , Pieter Ghysels

Local geometrical features of a porous material such as the shape and size of a pore or the curvature of a solid ligament often affect the macroscopic properties of the material, and their characterization is necessary to fully understand…

材料科学 · 物理学 2025-02-24 Aditya Vasudevan , Jorge Zorrilla Prieto , Sergei Zorkaltsev , Maciej Haranczyk

The elemental composition and electronic structure of materials analyzed by electron energy loss spectroscopy (EELS) are probed by the inner-shell ionization of atoms. This is a localized process that can be approximated by the scattering…

原子物理 · 物理学 2026-02-06 Ioannis Iatrakis , Valerii Brudanin

The multiband nature of iron-pnictide superconductors is one of the keys to the understanding of their intriguing behavior. The electronic and magnetic properties heavily rely on the multiband interactions between different electron and…

超导电性 · 物理学 2015-12-02 S. Kong , D. Y. Liu , S. T. Cui , S. L. Ju , A. F. Wang , X. G. Luo , L. J. Zou , X. H. Chen , G. B. Zhang , Z. Sun

Molecular "fingerprints" encoding structural information are the workhorse of cheminformatics and machine learning in drug discovery applications. However, fingerprint representations necessarily emphasize particular aspects of the…

机器学习 · 统计学 2016-08-26 Steven Kearnes , Kevin McCloskey , Marc Berndl , Vijay Pande , Patrick Riley

Graph-level representations are crucial tools for characterising structural differences between graphs. However, comparing graphs with different cardinalities, even when sampled from the same underlying distribution, remains challenging.…

机器学习 · 计算机科学 2026-05-08 Katharina Limbeck , Nadja Häusermann , Martin Carrasco , Guy Wolf , Bastian Rieck

Realization of graphene moir\'e superstructures on the surface of 4d and 5d transition metals offers templates with periodically modulated electron density, which is responsible for a number of fascinating effects, including the formation…

材料科学 · 物理学 2013-01-18 E. N. Voloshina , E. Fertitta , A. Garhofer , F. Mittendorfer , M. Fonin , A. Thissen , Yu. S. Dedkov

High-fidelity compression of multispectral solar imagery remains challenging for space missions, where limited bandwidth must be balanced against preserving fine spectral and spatial details. We present a learned image compression framework…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Prasiddha Siwakoti , Atefeh Khoshkhahtinat , Piyush M. Mehta , Barbara J. Thompson , Michael S. F. Kirk , Daniel da Silva

We present a non-destructive beam profile imaging concept that utilizes machine learning tools, namely genetic algorithm with a gradient descent-like minimization. Electromagnetic fields around a charged beam carry information about its…

仪器与探测器 · 物理学 2021-11-29 Zhanibek Omarov , Selcuk Haciomeroglu

Knee osteoarthritis (KOA) diagnosis from radiographs remains challenging due to the subtle morphological details that standard deep learning models struggle to capture effectively. We propose a novel multimodal framework that combines…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Marouane Tliba , Mohamed Amine Kerkouri , Yassine Nasser , Nour Aburaed , Aladine Chetouani , Ulas Bagci , Rachid Jennane

We propose a new wide-field imaging method that exploits the Localized Surface Plasmon Resonance phenomenon to produce super-resolution images with an optical microscope equipped with a custom design polarization analyzer module. In this…

天体物理仪器与方法 · 物理学 2023-10-09 Andrey Alexandrov , Takashi Asada , Fabio Borbone , Valeri Tioukov , Giovanni De Lellis

We report on the structural modifications induced by a lambda = 532 nm ns-pulsed high-power laser on sub-superficial graphitic layers in single-crystal diamond realized by means of MeV ion implantation. A systematic characterization of the…

Photonic band structures are a typical fingerprint of periodic optical structures, and are usually observed in spectroscopic quantities such as transmission, reflection and absorption. Here we show that also the chiro-optical response of a…