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arXiv 2018年

作者： Feroci, Marco Ahangarianabhari, Mahdi Ambrosi, Giovanni Ambrosino, Filippo Argan, Andrea Barbera, Marco Bayer, Joerg Bellutti, Pierluigi Bertucci, Bruna Bertuccio, Giuseppe Borghi, Giacomo Bozzo, Enrico Cadeaux, Franck Campana, Riccardo Ceraudo, Francesco Chen, Tianxiang Cirrincione, Daniela De Rosa, Alessandra Del Monte, Ettore Di Cosimo, Sergio Diebold, Sebastian Evangelista, Yuri Fan, Qingmei Favre, Yannick Ficorella, Francesco Fuschino, Fabio Gevin, Olivier Grassi, Marco Hong, Bin Mao, Hanqi Karas, Vladimir Kennedy, Tom Labanti, Claudio Limousin, Olivier Cicero, Ugo Lo Lu, Fang-Jun Luo, Tao Malcovati, Piero Martindale, Adrian Meuris, Aline Michalska, Malgorzata Morbidini, Alfredo Muleri, Fabio Orleanski, Piotr Paltani, Stephane Pan, Teng Perinati, Emanuele Picciotto, Antonino Pohl, Martin Rashevskaia, Irina Santangelo, Andrea Schanne, Stephane Skup, Konrad Svoboda, Jiri Tenzer, Chris Vacchi, Andrea Walton, Dave Winter, Berend Wu, Xin Xu, Yupeng Zampa, Ganluigi Zampa, Nicola Zane, Silvia Zdziarski, Andrzej Zhang, Long Zhang, Shu Zhang, Shuang-Nan Zhang, Wenda Zhang, Xiaoli Zhou, Yupeng Zorzi, Nicola INAF Istituto di Astrofisica e Planetologia Spaziali Via Fosso del Cavaliere 100 Rome00133 Italy INFN Sezione Roma Tor Vergata Via della Ricerca Scientifica Rome00133 Italy Politecnico di Milano Polo di Como Via Anzani 41 Como Italy INFN Sezione di Perugia Via Alessandro Pascoli 23c Perugia06123 Italy Università di Palermo Dipartimento di Fisica e Chmica Via Archirafi 36 Palermo90123 Italy INAF Osservatorio Astronomico di Palermo Piazza del Parlamento 1 Palermo90134 Italy Institut fur Astronomie und Astrophysik Eberhard Karls Universitat Tuebingen72076 Germany Fondazione Bruno Kessler Via Sommarive Povo Trento38123 Italy University of Perugia Dip. Fisica e Geologia P.zza Università Perugia06123 Italy Beijing Institute of Spacecraft System Engineering CAST Beijing10094 China Department of Astronomy University of Geneva Chemin d'Ecogia 16 Versoix1290 Switzerland Department of Nuclear and Particle Physics University of Geneva CH-1211 Switzerland INAF Osservatorio di astrofisica e scienza dello spazio di Bologna Via P. Gobetti 101 Bologna Italy CEA Paris-Saclay DRF/IRFU Gif sur Yvette91191 France Key Laboratory for Particle Astrophysics Institute of High Energy Physics CAS Beijing100049 China University of Udine Via delle Scienze 206 Udine33100 Italy University of Pavia Department of Electrical Computer and Biomedical Engineering Via Ferrata 5 Pavia27100 Italy North Night Vision Technology Co. Ltd Nanjing211106 China Astronomical Institute Czech Academy of Sciences Bocni II 1401 PragueCZ-14100 Czech Republic Mullard Space Science Laboratory UCL Holmbury St Mary Dorking SurreyRH56NT United Kingdom Space Research Centre Department of Physics and Astronomy University of Leicester LeicesterLE17RH United Kingdom Space Research Center Polish Academy of Sciences Bartycka 18a Warszawa00-716 Poland TIFPA Istituto Nazionale di Fisica Nucleare Via Sommarive 14 Povo Trento38123 Italy Nicolaus Copernicus Astronomical Ce

The eXTP (enhanced X-ray Timing and Polarimetry) mission is a major project of the Chinese Academy of sciences (CAS) and China National Space Administration (CNSA) currently performing an extended phase A study and proposed for a launch by 2025 in a low-earth orbit. The eXTP scientific payload envisages a suite of instruments (Spectroscopy Focusing Array, Polarimetry Focusing Array, Large Area Detector and Wide Field Monitor) offering unprecedented simultaneous wide-band X-ray spectral, timing and polarimetry sensitivity. A large European consortium is contributing to the eXTP study and it is expected to provide key hardware elements, including a Large Area Detector (LAD). The LAD instrument for eXTP is based on the design originally proposed for the LOFT mission within the ESA context. The eXTP/LAD envisages a deployed 3.4 m2effective area in the 2-30 keV energy range, achieved through the technology of the large-area Silicon Drift Detectors - offering a spectral resolution of up to 200 eV FWHM at 6 keV - and of capillary plate collimators - limiting the field of view to about 1 degree. In this paper we provide an overview of the LAD instrument design, including new elements with respect to the earlier LOFT configuration. Copyright © 2018, The Authors. All rights reserved.

关键词： Polarimeters

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25th Annual Computational Neuroscience Meeting CNS-2016, Seogwipo City, South Korea, July 2-7, 2016 Abstracts

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BMC NEUROscience 2016年第1期17卷 1-112页

作者： [Anonymous] Computational Neurobiology Laboratory The Salk Institute for Biological Studies San Diego USA UNIC CNRS Gif sur Yvette France The European Institute for Theoretical Neuroscience (EITN) Paris France ATR Computational Neuroscience Laboratories Kyoto Japan Krembil Research Institute University Health Network Toronto Canada Department of Physiology University of Toronto Toronto Canada Department of Medicine (Neurology) University of Toronto Toronto Canada Department of Physics University of New Hampshire Durham USA Department of Neurophysiology Nencki Institute of Experimental Biology Warsaw Poland Department of Theory Wigner Research Centre for Physics of the Hungarian Academy of Sciences Budapest Hungary Department of Mathematical Sciences KAIST Daejoen Republic of Korea Department of Mathematics University of Houston Houston USA Department of Biochemistry & Cell Biology and Institute of Biosciences and Bioengineering Rice University Houston USA Department of Biology and Biochemistry University of Houston Houston USA Grupo de Neurocomputación Biológica Dpto. de Ingeniería Informática Escuela Politécnica Superior Universidad Autónoma de Madrid Madrid Spain Department of Biological Sciences University of Southern California Los Angeles USA Center for Neuroscience Korea Institute of Science and Technology Seoul South Korea Department of Neurology Albert Einstein College of Medicine Bronx USA Center for Neuroscience KIST Seoul South Korea Department of Neuroscience University of Science and Technology Daejon South Korea Systems Neuroscience Group QIMR Berghofer Medical Research Institute Herston Australia Department of Psychology Yonsei University Seoul South Korea Department of Psychiatry Kyung Hee University Hospital at Gangdong Seoul South Korea Department of Psychiatry Veterans Administration Boston Healthcare System and Harvard Medical School Brockton USA Department of Electrical and Electronic Engineering The University of Melbourne Parkvil

A1 Functional advantages of cell-type heterogeneity in neural circuits Tatyana O. Sharpee A2 Mesoscopic modeling of propagating waves in visual cortex Alain Destexhe A3 Dynamics and biomarkers of mental disorders Mitsuo Kawato F1 Precise recruitment of spiking output at theta frequencies requires dendritic h-channels in multi-compartment models of oriens-lacunosum/moleculare hippocampal interneurons Vladislav Sekulić, Frances K. Skinner F2 Kernel methods in reconstruction of current sources from extracellular potentials for single cells and the whole brains Daniel K. Wójcik, Chaitanya Chintaluri, Dorottya Cserpán, Zoltán Somogyvári F3 The synchronized periods depend on intracellular transcriptional repression mechanisms in circadian clocks. Jae Kyoung Kim, Zachary P. Kilpatrick, Matthew R. Bennett, Kresimir Josić O1 Assessing irregularity and coordination of spiking-bursting rhythms in central pattern generators Irene Elices, David Arroyo, Rafael Levi, Francisco B. Rodriguez, Pablo Varona O2 Regulation of top-down processing by cortically-projecting parvalbumin positive neurons in basal forebrain Eunjin Hwang, Bowon Kim, Hio-Been Han, Tae Kim, James T. McKenna, Ritchie E. Brown, Robert W. McCarley, Jee Hyun Choi O3 Modeling auditory stream segregation, build-up and bistability James Rankin, Pamela Osborn Popp, John Rinzel O4 Strong competition between tonotopic neural ensembles explains pitch-related dynamics of auditory cortex evoked fields Alejandro Tabas, André Rupp, Emili Balaguer-Ballester O5 A simple model of retinal response to multi-electrode stimulation Matias I. Maturana, David B. Grayden, Shaun L. Cloherty, Tatiana Kameneva, Michael R. Ibbotson, Hamish Meffin O6 Noise correlations in V4 area correlate with behavioral performance in visual discrimination task Veronika Koren, Timm Lochmann, Valentin Dragoi, Klaus Obermayer O7 Input-location dependent gain modulation in cerebellar nucleus neurons Maria Psarrou, Maria Schilstra, Neil Davey, Benjamin Torben-Ni

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Sustainable computational science: The Rescience initiative

arXiv

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arXiv 2017年

作者： Rougier, Nicolas P. Hinsen, Konrad Alexandre, Frédéric Arildsen, Thomas Barba, Lorena Benureau, Fabien C.Y. Titus Brown, C. de Buyl, Pierre Caglayan, Ozan Davison, Andrew P. Delsuc, Marc André Detorakis, Georgios Diem, Alexandra K. Drix, Damien Enel, Pierre Girard, Benoît Guest, Olivia Hall, Matt G. Henriques, Rafael Neto Hinaut, Xavier Jaron, Kamil S. Khamassi, Mehdi Klein, Almar Manninen, Tiina Marchesi, Pietro McGlinn, Dan Metzner, Christoph Petchey, Owen L. Plesser, Hans Ekkehard Poisot, Timothée Ram, Karthik Ram, Yoav Roesch, Etienne Rossant, Cyrille Rostami, Vahid Shifman, Aaron Stimberg, Marcel Stachelek, Joseph Stollmeier, Frank Vaggi, Federico Viejo, Guillaume Vitay, Julien Vostinar, Anya Yurchak, Roman Zito, Tiziano INRIA Bordeaux Sud-Ouest Talence France Institut des Maladies Neurodégénératives Université de Bordeaux CNRS UMR 5293 Bordeaux France LaBRI Université de Bordeaux Bordeaux INP CNRS UMR 5800 Talence France Centre de Biophysique Moléculaire CNRS UPR4301 Orléans France Synchrotron SOLEIL Division Expériences Gif sur Yvette France Department of Electronic Systems Technical Faculty of IT and Design Aalborg University Denmark Department of Mechanical and Aerospace Engineering George Washington University WashingtonDC United States Department of Population Health and Reproduction University of California Davis DavisCA United States Instituut voor Theoretische Fysica KU Leuven Belgium Le Mans France Unité de Neurosciences Information et Complexité CNRS FRE 3693 Gif sur Yvette France Institut de Génétique et de Biologie Moléculaire et Cellulaire INSERM U964 CNRS UMR 7104 Université de Strasbourg Illkirch France Department of Cognitive Sciences University of California Irvine United States Computational Engineering and Design Faculty of Engineering and the Environment University of Southampton United Kingdom Department of Computer Science Humboldt-Universität zu Berlin Friedman Brain Institute Icahn School of Medicine Mount SinaiNY United States Institut des Systèmes Intelligent et de Robotique Sorbonne Universités UPMC Univ Paris 06 CNRS Paris France Experimental Psychology University College London United Kingdom UCL Great Ormond St Institute of Child Health University College London London United Kingdom MRC Cognition and Brain Sciences Unit Cambridge United Kingdom Department of Ecology and Evolution University of Lausanne Lausanne Switzerland Independent scholar Enschede Netherlands BioMediTech Institute and Faculty of Biomedical Sciences and Engineering Tampere University of Technology Tampere Finland Swammerdam Institute for Life Sciences Center for Neuroscience Faculty of Science University of Amsterdam Amsterdam Netherlands Depart

computer science offers a large set of tools for prototyping, writing, running, testing, validating, sharing and reproducing results, however computational science lags behind. In the best case, authors may provide their source code as a compressed archive and they may feel confident their research is reproducible. But this is not exactly true. Jonathan Buckheit and David Donoho proposed more than two decades ago that an article about computational results is advertising, not scholarship. The actual scholarship is the full software environment, code, and data that produced the result. This implies new workflows, in particular in peer-reviews. Existing journals have been slow to adapt: source codes are rarely requested, hardly ever actually executed to check that they produce the results advertised in the article. Rescience is a peer-reviewed journal that targets computational research and encourages the explicit replication of already published research, promoting new and open-source implementations in order to ensure that the original research can be replicated from its description. To achieve this goal, the whole publishing chain is radically different from other traditional scientific journals. Rescience resides on GitHub where each new implementation of a computational study is made available together with comments, explanations, and software tests. Copyright © 2017, The Authors. All rights reserved.

关键词： Open source software

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Oximetry: Miniaturized Battery‐Free Wireless Systems for Wearable Pulse Oximetry (Adv. Funct. Mater. 1/2017)

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Advanced Functional Materials 2017年第1期27卷

作者： Jeonghyun Kim Philipp Gutruf Antonio M. Chiarelli Seung Yun Heo Kyoungyeon Cho Zhaoqian Xie Anthony Banks Seungyoung Han Kyung‐In Jang Jung Woo Lee Kyu‐Tae Lee Xue Feng Yonggang Huang Monica Fabiani Gabriele Gratton Ungyu Paik John A. Rogers Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA Departments of Materials Science and Engineering Northwestern University Evanston IL 60208 USA Beckman Institute University of Illinois at Urbana‐Champaign Urbana IL 61801 USA Departments of Biomedical Engineering Northwestern University Evanston IL 60208 USA Department of Electrical and Computer Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA Department of Civil and Environmental Engineering Northwestern University Evanston IL 60208 USA AML Department of Engineering Mechanics Center for Mechanics and Materials Tsinghua University Beijing 100084 China Department of Robotics Engineering Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 South Korea Departments of Civil and Environmental Engineering Mechanical Engineering Materials Science and Engineering Center for Engineering and Health Skin Disease Research Center Northwestern University Evanston IL 60208 USA Department of Energy Engineering Hanyang University Seoul 133‐791 Republic of Korea Departments of Materials Science and Engineering Biomedical Engineering Chemistry Neurological Surgery Mechanical Engineering Electrical Engineering and Computer Science Simpson Querrey Institute & Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA

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Methods for Evaluating Medical Tests and Biomarkers

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Diagnostic and Prognostic research 2017年第1期1卷 1-34页

作者： Gowri Gopalakrishna Miranda Langendam Patrick Bossuyt Mariska Leeflang Rob Scholten Anna Noel-Storr James Thomas Iain Marshall Byron Wallace Penny Whiting Clare Davenport Gowri GopalaKrishna Isabel de Salis Sue Mallett Robert Wolff Marie Westwood Jos Kleinen Richard Riley Gary Collins Hans Reitsma Karel Moons Antonia Zapf Katharina Kramer Annika Hoyer Oliver Kuss J. Ensor R. D. Riley J. J. Deeks E. C. Martin Gerta Rücker Martin Schumacher Susanne Steinhauser Joie Ensor Kym Snell Brian Willis Jon Deeks Thomas Debray Lavinia Ferrante di Ruffano Sian Taylor-Phillips Chris Hyde Stuart A. Taylor Gauraang Batnagar Lavinia Ferrante Di Ruffano Farah Seedat Aileen Clarke Sarah Byron Frances Nixon Rebecca Albrow Thomas Walker Carla Deakin Zhivko Zhelev Harriet Hunt Yaling Yang Lucy Abel James Buchanan Thomas Fanshawe Bethany Shinkins Laure Wynants Sabine Van Huffel Jan Verbakel Dirk Timmerman Ben Van Calster Aeliko Zwinderman Jason Oke Jack O’Sullivan Rafael Perera Brian Nicholson Hannah L. Bromley Tracy E. Roberts Adele Francis Denniis Petrie G. Bruce Mann Kinga Malottki Holly Smith Lucinda Billingham Alice Sitch Oke Gerke Mie Holm-Vilstrup Eivind Antonsen Segtnan Ulrich Halekoh Poul Flemming Høilund-Carlsen Bernard G. Francq Jac Dinnes Julie Parkes Walter Gregory Jenny Hewison Peter Selby Doug Altman William Rosenberg Julien Asselineau Paul Perez Aïssatou Paye Emilie Bessede Cécile Proust-Lima Christiana Naaktgeboren Joris de Groot Johannes Reitsma Anne Rutjes Emmanuel Ogundimu Jonathan Cook Yannick Le Manach Yvonne Vergouwe Romin Pajouheshnia Rolf Groenwold Karen Moons Linda Peelen Bavo De Cock Daan Nieboer Ewout W. Steyerberg Micael J. Pencina Jennifer Cooper Nick Parsons Chris Stinton Steve Smith Andy Dickens Rachel Jordan Alexandra Enocson David Fitzmaurice Peymane Adab Charles Boachie Gaj Vidmar Karoline Freeman Martin Connock Rachel Court Carl Moons Jessica Harris Zoe Plummer Barnaby Reeves Chris Rogers Andrew Mumford Kurtis Lee Veerle Verheyden Gianni D. Angelini Gavin J. Murphy Jeremy Huddy Melody Ni George Hanna Department of Clinical Epidemiology Biostatistics & Bioinformatics Academic Medical Center University of Amsterdam Amsterdam The Netherlands Department of Clinical Epidemiology and Biostatistics Academic Medical Center University of Amsterdam Amsterdam Netherlands Cochrane Netherlands Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht Netherlands Cochrane Dementia and Cognitive Improvement Group University of Oxford Oxford UK EPPI-Centre Department of Social Science University College London London UK Division of Health and Social Care Research King’s College London London UK College of Computer and Information Science Northeastern University Boston USA University Hospitals Bristol NHS Foundation Trust School of Social and Community Medicine Bristol UK Institute of Applied Health Research University of Birmingham Birmingham UK School of Social and Community Medicine University of Bristol Bristol UK Kleijnen Systematic Reviews Ltd York UK Research Institute for Primary Care and Health Sciences Keele University Keele UK Centre for Statistics in Medicine Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences University of Oxford Oxford UK Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht The Netherlands Cochrane Netherlands University Medical Center Utrecht Utrecht The Netherlands Julius Center for Health Sciences and Primary Care University Medical Center Utrecht 3584 CG Utrecht Netherlands Department of Medical Statistics University Medical Center Göttingen Göttingen Germany Institute for Biometry and Epidemiology German Diabetes Center Leibniz Institute for Diabetes Research at Heinrich Heine University Düsseldorf Germany Manchester Pharmacy School University of Manchester Manchester UK Institute for Medical Biometry and Statistics Faculty of Medicine and Medical Center – University of Freiburg Stefan-Meier-Str. 26 79104 Freiburg Germany

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Coping with bad-mouthing in peer-to-peer file sharing networks

Coping with bad-mouthing in peer-to-peer file sharing networ...

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International Conference on Peer-to-Peer Computing

作者： Muhammad Irfan Yousuf Suhyun Kim Human Computer Interaction and Robotics Department Imaging Media Research Center University of Science and Technology Korea Institute of Science and Technology Seoul Korea

In the recent years, the P2P file sharing systems have adopted rating systems in the hope to stop the propagation of bad files. In a rating system, users rate files after downloading and a file with positive feedback is considered a good file. However, a dishonest rater can undermine the rating system by giving positive rating to bad files and negative rating to good files. In this paper, we design two filters based on probabilistic models such that the good files with negative feedback are not completely kept out of the system. The first filter is based on the binomial distribution of the ratings of a file, and the second filter considers the confidence of the downloading peer and the difference of positive and negative ratings of a file to calculate the probability to take a risk to download the file or reject it. Our filters only need the ratings of a file and this makes them suitable for popular torrent sharing websites that rank the files using a binary rating system without any information about raters. In addition, we can implement them entirely on the client side without any modification to the content sharing sites.

关键词： Peer-to-peer computing Probability Probability density function Probabilistic logic Predictive models Data models Radiation detectors

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Transient Electronics: Dry Transient Electronic Systems by Use of Materials that Sublime (Adv. Funct. Mater. 12/2017)

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Advanced Functional Materials 2017年第12期27卷

作者： Bong Hoon Kim Jae‐Hwan Kim Luana Persano Suk‐Won Hwang Seungmin Lee Jungyup Lee Yongjoon Yu Yongseon Kang Sang M. Won Jahyun Koo Youn Kyoung Cho Gyum Hur Anthony Banks Jun‐Kyul Song Phillip Won Young Min Song Kyung‐In Jang Daeshik Kang Chi Hwan Lee Dario Pisignano John A. Rogers Departments of Materials Science and Engineering Biomedical Engineering Chemistry Neurological Surgery Mechanical Engineering Electrical Engineering and Computer Science Simpson Querrey Institute and Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA NEST Istituto Nanoscienze‐CNR Piazza S. Silvestro 12 I‐56127 Pisa Italy KU‐KIST Graduate School of Converging Science and Technology Korea University Seoul 02841 Republic of Korea School of Electrical Engineering and Computer Science Gwangju Institute of Science and Technology (GIST) Gwangju 61005 Republic of Korea Department of Robotics Engineering Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea Department of Mechanical Engineering Ajou University Suwon 443–749 Republic of Korea Weldon School of Biomedical Engineering School of Mechanical Engineering The Center for Implantable Devices and Birck Nanotechnology Center Purdue University West Lafayette IN 47907 USA Dipartimento di Matematica e Fisica “Ennio De Giorgi” Università del Salento Via Arnesano I‐73100 Lecce Italy

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Robotic Software System for the Disaster Circumstances: System of Team KAIST in the DARPA robotics Challenge Finals

Robotic Software System for the Disaster Circumstances: Syst...

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IEEE-RAS International Conference on Humanoid Robots

作者： Jeongsoo Lim Inwook Shim Okkee Sim Hyunmin Joe Inhyeok Kim Jungho Lee Jun-Ho Oh Humanoid Research Center School of Mechanical Aerospace & Systems Engineering Department of Mechanical Engineering Korea Advanced Institute of Science and Technology Robotics and Computer Vision Laboratory Department of Electrical Engineering College of Information Science and Technology Korea Advanced Institute of Science and Technology Rainbow Co.

ISBN: (纸本)9781479968862

We developed a software system for operating the humanoid robot DRC-HUBO+ in disaster circumstances that the US Defense Advanced research Projects Agency suggested. This system was developed under the consideration of the stability of whole system, the systemic software environment for multiple developers, and the recovery routine when the system encounters a seriously abnormal situation. With these design goals, we devised our strategy for three domains: system, vision, and communication. Following the strategy we made two software frameworks (PODO and VPC) and one logical flow of data for remote process management. With this software system, we conducted all Tasks in the DARPA robotics Challenge Finals, and we won the competition.

关键词： Software systems DARPA design target robotics Disasters Religious Missions flow datas

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Adaptive NN Control for Uncertain Pure-Feedback Nonlinear Systems With State Constraints Subject to Unknown Disturbances

Adaptive NN Control for Uncertain Pure-Feedback Nonlinear Sy...

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IEEE Annual Conference on Decision and Control

作者： Zhong-Liang Tang Shuzhi Sam Ge Keng Peng Tee School of Computer Science and Engineering and Center for Robotics University of Electronic Science and Technology of China Chengdu 610054 China Department of Electrical and Computer Engineering National University of Singapore Singapore 117576 Institute for Infocomm Research A*STAR Singapore 138632 Singapore

ISBN: (纸本)9781479978878

This paper addresses the output tracking control for a class of non-affine nonlinear systems in pure-feedback form with unknown dynamics subject to full state constraints and unknown external time-varying bounded disturbances. This problem is challenging due to the non-affine structure coupling with the constraints on states and external disturbances. To overcome the problem, the mean value theorem is applied to deduce the variables with affine appearance in the system dynamics, and the integral Barrier Lyapunov Functionals (iBLFs) are utilized in the recursive backstepping design to handle the unknown deduced control gains and state constraints together, and adapting parameters are developed to estimate the unknown bounds on neural networks (NNs) reconstruction errors and external disturbances. Through Lyapunov synthesis, all signals in the closed-loop system are proved to be semiglobally uniformly ultimately bounded (SGUUB), and all state constraints are guaranteed provided that the states are initially in the constrained regions, and tracking errors are ensured to converge to an adjustable neighborhood of desired trajectory. An application to Van der Pol oscillator with state constraints illustrates the performance of proposed control.

关键词： Relaxation oscillators Unknown external disturbance System dynamics Mean Value Theorem for Integrals Constraint tracking control Closed loop systems

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MEDIAN ROBUST EXTENDED LOCAL BINARY PATTERN FOR TEXTURE CLASSIFICATION

MEDIAN ROBUST EXTENDED LOCAL BINARY PATTERN FOR TEXTURE CLAS...

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IEEE International Conference on Image Processing

作者： Li Liu Paul Fieguth Matti Pietikainen Songyang Lao School of Information System and Management National University of Defense Technology Department of Systems Design Engineering University of Waterloo Center for Machine Vision Research Department of Computer Science and Engineering University of Oulu

ISBN: (纸本)9781479983407

Local Binary Patterns (LBP) are among the most computationally efficient amongst high-performance texture features. However, LBP is very sensitive to image noise and is unable to capture macrostructure information. To best address these disadvantages, in this paper we introduce a novel descriptor for texture classification, the Median Robust Extended Local Binary Pattern (MRELBP). In contrast to traditional LBP and many LBP variants, MRELBP compares local image medians instead of raw image intensities. We develop a multiscale LBP-type descriptor by efficiently comparing image medians over a novel sampling scheme, which can capture both microstructure and macrostructure. A comprehensive evaluation on benchmark datasets reveals MRELBP's remarkable performance (robust to gray scale variations, rotation changes and noise) relative to state-of-the-art algorithms, but nevertheless at a low computational cost, producing the best classification scores of 99.82%, 99.38% and 99.77% on three popular Outex test suites. Furthermore, MRELBP is also shown to be highly robust to image noise including Gaussian noise, Gaussian blur, Salt-and-Pepper noise and random pixel corruption.

关键词： Texture classification Feature extraction Local binary pattern Local descriptors Median filtering Feature extraction binary pattern image noise LBP gene LBP median filters Binary Median IMAGE INTENSITY textures MACROSTRUCTURES

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