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Development and evaluation of a hospital-wide healthcare-associated surgical site infection detection algorithm

Journal of Microbiology, Immunology and Infection 2015年第2期48卷 S43-S43页

作者： Yi-Ju Tseng Bo-Chiang Huang Hui-Chi Lin Ming-Yuan Chen Rung-Ji Shang Wang-Huei Sheng Yee-Chun Chen Feipei Lai Shan-Chwen Chang Children's Hospital Informatics Program Boston Children's Hospital Boston MA USA Graduate Institute of Biomedical Electronics and Bioinformatics National Taiwan University Taiwan Center for Infection Control National Taiwan University Hospital (NTUH) Taiwan Information Systems Office NTUH Taipei Taiwan Department of Internal Medicine NTUH and College of Medicine Taiwan National Institute of Infectious Diseases and Vaccinology National Health Research Institutes Taiwan Department of Computer Science and Information Engineering National Taiwan University Taiwan

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Loss-tolerant quantum cryptography with imperfect sources

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Physical Review A 2014年第5期90卷 052314-052314页

作者： Kiyoshi Tamaki Marcos Curty Go Kato Hoi-Kwong Lo Koji Azuma NTT Basic Research Laboratories NTT Corporation 3-1 Morinosato Wakamiya Atsugi-Shi Kanagawa 243-0198 Japan EI Telecomunicación Department of Signal Theory and Communications University of Vigo E-36310 Spain NTT Communication Science Laboratories NTT Corporation 3-1 Morinosato Wakamiya Atsugi-Shi Kanagawa 243-0198 Japan Center for Quantum Information and Quantum Control Department of Electrical & Computer Engineering and Department of Physics University of Toronto Canada M5S 3G4

In principle, quantum key distribution (QKD) offers unconditional security based on the laws of physics. Unfortunately, all previous QKD experiments assume perfect state preparation in their security analysis. Therefore, the generated key is not proven to be secure in the presence of unavoidable modulation errors. The key reason that modulation errors are not considered in previous QKD experiments lies in a crucial weakness of the standard Gottesman-Lo-Lütkenhaus-Preskill (GLLP) model, namely, it is not loss tolerant and Eve may in principle enhance imperfections through losses. Here, we propose a QKD protocol that is loss tolerant to state preparation flaws. Importantly, we show conclusively that the state preparation process in QKD can be much less precise than initially thought. Our method can also be applied to other quantum cryptographic protocols.

关键词： Quantum cryptography

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Social Adaptation of Robots for Modulating Self-Organization in Animal Societies

Social Adaptation of Robots for Modulating Self-Organization...

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IEEE International Conference on Self-Adaptive and Self-Organizing Systems Workshops, SASOW

作者： Payam Zahadat Michael Bodi Ziad Salem Frank Bonnet Marcelo Elias De Oliveira Francesco Mondada Karlo Griparic Tomislav Haus Stjepan Bogdan Rob Mills Pedro Mariano Luis Correia Olga Kernbach Serge Kernbach Thomas Schmickl Artificial Life Laboratory of the Department of Zoology Karl-Franzens University Graz Austria Computer Engineering Department Aleppo University Syrian Arab Republic Rbotic Systems Laboratory Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland Ecole Polytechnique Federale de Lausanne Lausanne VD CH Faculty of Electrical Engineering and Computing Laboratory for Robotics and Intelligent Control Systems Zagreb Croatia Universidade de Lisboa Lisboa Lisboa PT Cybertronica Research Research Center of Advanced Robotics and Environmental Science Stuttgart Germany

The goal of the work presented here is to influence the overall behaviour of specific animal societies by integrating computational mechatronic devices (robots) into those societies. To do so, these devices should be accepted by the animals aspart of the society and/or as part of the collectively formed environment. For that, we have developed two sets of robotic hardware for integrating into societies of two different animals: zebra fish and young honeybees. We also developed mechanisms to provide feedback from the behaviours of societies for the controllers of the robotic system. Two different computational methods are then used as the controllers of the robots in simulation and successfully adapted by evolutionary algorithms to influence the simulated animals for desired behaviours. Together, these advances in mechatronic hardware, feedback mechanisms, and controller methodology are laying essential foundations to facilitate experiments on modulating self-organised behaviour in mixed animal -- robot societies.

关键词： Animals Heating Vibrations Robot sensing systems Hardware Biochemistry

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Automatic sleep stage classification GUI with a portable EEG device

Automatic sleep stage classification GUI with a portable EEG...

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15th International Conference on Human-computer Interaction, HCI International 2013

作者： Huang, Chih-Sheng Lin, Chun-Ling Ko, Li-Wei Wang, Yu-Kai Liang, Jyun-Wei Lin, Chin-Teng Brain Research Center University System of Taiwan Hsinchu Taiwan Institute of Electrical Control Engineering National Chiao-Tung University Hsinchu Taiwan Department of Biological Science and Technology National Chiao-Tung University Hsinchu Taiwan Department of Computer Science National Chiao-Tung University Hsinchu Taiwan

ISBN: (纸本)9783642394720

In this study, a developed automatic sleep stage classification system with a portable EEG recording device, (Mindo-4s) is implemented by JAVA-based sleep graphical user interface (GUI) in android platform. First, the parameters of the developed sleep stage classification system, including extracting effective sleep features and a hierarchical classification structure consisting of preliminary wake detection rule, adaptive adjustment scheme, and support vector machine, were trained by our existing sleep database, which collected using polysomnogram (PSG), in MATLAB program. Finally, this classification system would be reedited by JAVA language, and the corresponding JAVA-based sleep GUI software was working in android platform and Mindo-4s. The connection between JAVA-based sleep GUI software and the portable Mindo-4s was through Bluetooth communication. The performance of this JAVA-based sleep GUI can reach 72.43% average accuracy comparing to the result from manual scoring. This JAVA-based sleep GUI can on-line display, record and analyze the forehead EEG signals simultaneously. After sleep, the user can received a complete sleep report, including sleep efficiency, sleep stage distribution, from JAVA-based sleep GUI. Thus, this system can provide a preliminary result in sleep quality estimation, and help the sleep doctor to decide someone needs to have a complete PSG testing in hospital. Using this system is more convenient for long-term and home-based daily caring than traditional PSG measurement. © Springer-Verlag Berlin Heidelberg 2013.

关键词： Graphical user interfaces

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Distributed sampling using small unmanned aerial vehicles (UAVs) for scientific missions

Distributed sampling using small unmanned aerial vehicles (U...

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AIAA Infotech at Aerospace (I at A) Conference

作者： Hening, Sebastian Baumgartner, Jeremy Walden, Candace Kirmayer, Russell Teodorescu, Mircea Nguyen, Nhan Ippolito, Corey University of California Santa Cruz Department of Computer Engineering Santa Cruz CA 95064 United States California State University Northridge Department of Computer Science Northridge CA 9133 United States NASA Ames Research Center Control and Evolvable Systems Group Moffett Field CA 94035 United States

The current research represents a first step towards developing a flexible, decentralized network of small and inexpensive, battery powered unmanned aerial vehicles (UAV), which could be used for a variety of scientific missions where measurements from a distributed network of nodes could significantly improve the assessment (e.g. chemical or dust clouds, mapping particulates, chemical content and physical boundaries of a dispersed volcanic plume or vog). Individual UAVs are equipped with on board sensing equipment as well as autopilot and networking nodes for communication between each UAV and the ground station and between UAVs to relaying the data between individual UAVs when lack of direct line of sight prevents communication. The UAVs are built using off the shelf components, which allows rapid replacement of damaged items and lowers significantly the overall price (less than $500 for each instrumented UAV), resulting in a practically disposable fleet of UAVs. In the current paper we use a pair of UAVs and a hardware in the loop computer simulation to test the feasibility of the proposed concept. Each UAV is instrumented with GPS, humidity, temperature and particle sensors as well as XBee network communication links.

关键词： Antennas

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Solving 3-Coloring Problem with Timed Tissue P Systems

Solving 3-Coloring Problem with Timed Tissue P Systems

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The Second Asian Conference on Membrane Computing(ACMC2013)

作者： Yunyun Niu Tao Song Jianhua Xiao School of Electronic Engineering and Computer Science Peking University Department of Control Science and Engineering Huazhong University of Science and Technology The Research Center of Logistics Nankai University

In traditional tissue P systems, each rule has a precise same execution time. That way of using the rules is not quite realistic from a biological point of view, because external conditions always change in an unpredicted manner. In this study, we investigate the use of time in tissue P systems. The timed tissue P systems is constructed by adding a time mapping to the rules to specify the execution time for each rule. Furthermore, a uniform and time-free solution to 3-coloring problem is proposed, where the execution time of the computational processes involved can vary arbitrarily and the output produced is always the same.

关键词： membrane computing, tissue P system, time-free solution, 3-coloring problem

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Biomimetic sensing by the photoreceptor membrane protein bacteriorhodopsin

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Journal of the National Institute of Information and Communications Technology 2013年第1期60卷 75-83页

作者： Kasai, Katsuyuki Haruyama, Yoshihiro Yamada, Toshiki Akiba, Makoto Tominari, Yukihiro Kaji, Takahiro Terui, Toshifumi Peper, Ferdinand Katagiri, Yoshitada Tanaka, Shukichi Kikuchi, Hiroshi Okada-Shudo, Yoshiko Otomo, Akira Nano ICT Laboratory Department of Quantum Optics Nonlinear Optics Laser Control Advanced ICT Research Institute Japan Nano ICT Laboratory Department of Bio-Materials Advanced ICT Research Institute Japan Nano ICT Laboratory Department of Organic Materials Material Physics Optical Measurement Nano Materials Advanced ICT Research Institute Japan Planning Office Department of Photodetection Technology Semiconductor Device Low-Noise Technology Advanced ICT Research Institute Japan Nano ICT Laboratory Department of Superconductor Organic Electronics Terahertz Advanced ICT Research Institute Japan Nano ICT Laboratory Department of Laser Photochemistry Single-Molecule Spectroscopy Nanophotonics Advanced ICT Research Institute Japan Strategic Planning Office Strategic Planning Department Japan Brain Networks and Communication Laboratory Department of Nanocomputer Architectures Cellular Automata Neural Networks Natural Computing Center for Information and Neural Networks Japan Brain Networks and Communication Laboratory Department of Health Science and Informatics Human Informatics Center for Information and Neural Networks Japan Nano ICT Laboratory Terahertz Technology Research Center Advanced ICT Research Institute Japan Japan Graduate School of Informatics and Engineering Dept. of Engneering Science Japan Nano ICT Laboratory Depatment of Nanophotonics Nonlinear Optics Advanced ICT Research Institute Japan

Bacteriorhodopsin (bR) is a light-sensitive protein which has a proton-pump function, and is found in the cell membrane of Halobacterium salinarum inhabiting the salt lake. Optical excitation of bR at an electrode-electrolyte interface generates differential photocurrents while an incident light is turned on and off. This unique functional response is similar to that seen in retinal neurons. This paper describes the fabrication and evaluation of the dip-coated bR thin films, photocurrent characteristics, and biomimetic artificial retinas with the bR thin films.

关键词： Biomimetics

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Model Free Predictive control for a Nonlinear Biological System with Intelligent Optimization Approach

Model Free Predictive Control for a Nonlinear Biological Sys...

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第25届中国控制与决策会议

作者： Mojtaba Zaare Mehrjerdi Ghassem Amoabediny Behzad Moshiri Arman Ashktorab Babak Nadjar Araabi Control and Intelligent Processing Center of Excellence School of Electrical and Computer Engineering Faculty of Engineering University of Tehran Research Center for New Technologies in Life Science Engineering University of Tehran Department of Life Science Engineering Faculty of New Technologies University of Tehran Department of Chemical Engineering Faculty of Engineering University of Tehran

ISBN: (纸本)9781467355339

Today the importance of life science and its related processes are undeniable. Modeling and control of these kind of processes are too complicate because of existence of delay in growth and also nonlinear behavior of micro-organisms. Model predictive control is one of the most popular advanced controlling strategies in this industry, however its dependence on accurate model for predicting future input and output values is limitating. If there is a way that could predict the future values of the process properly, it is possible to overcome to the existing challenges. In this paper we design a model free predictive controller by using a trained recurrent neural network as a predictor for prediction stage at MPC and using GA for solving the associated optimization problem that result the optimal control signal sequence.

关键词： NNMPC GA Biological System Aerated Flask

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Model Predictive control with Sequential Linearization Approach for a Nonlinear Time Varying Biological System

Model Predictive Control with Sequential Linearization Appro...

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第25届中国控制与决策会议

作者： Mojtaba Zaare Mehrjerdi Behzad Moshiri Ghassem Amoabediny Arman Ashktorab Babak Nadjar Araabi Control and Intelligent Processing Center of Excellence School of Electrical and Computer Engineering Faculty of Engineering University of Tehran Research Center for New Technologies in Life Science Engineering University of Tehran Department of Life Science Engineering Faculty of New Technologies University of Tehran Department of Chemical Engineering Faculty of Engineering University of Tehran

ISBN: (纸本)9781467355339

As life science progress and its consequences provide human life necessities, controlling these kinds of processes has recently become very important. Unfortunately because of including delay and nonlinear behavior of micro-organisms these processes have nonlinear time varying model and so controlling them is too complicated. These nonlinear dynamics are too slow and so it is possible to linearize the model step by step and apply control signal to the local linearized models. In this paper we design a model predictive controller for each linearized model at time unit and as a result a nonlinear time varying system has been controlled properly. As these localized models are open loop unstable, we have to use close loop paradigm also due to its numerically robustness. Finally result has validated with experimental values and reliability of this approach has been exposed.

关键词： MPC, Sequential Linearization, Biological System control, Aerated Flask

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Embedded electroencephalogram processing and control for the actuation of a prosthetic thumb prototype

Embedded electroencephalogram processing and control for the...

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IEEE International Conference on Electro-Information Technology

作者： Alex N. Jensen Amanda J. Clark Nathan T. Sparks Steve Chiu Marco P. Schoen Measurement and Control Engineering Research Center MCERC College of Science and Engineering Department of Electrical Engineering Idaho State University Pocatello ID USA Brigham Young University-Idaho College of Physical Science and Engineering Rexburg ID USA Department of Electrical Engineering MCERC Idaho State University Pocatello ID USA Department of Mechanical Engineering MCERC Idaho State University Pocatello ID USA

Classical control methods for prosthetics have many drawbacks when it comes to controlling smart prosthetics. This paper uses electroencephalogram (EEG) signals, which have many advantages over electromyogram (EMG) signals, including the ability to integrate a robotic opposable thumb in a prosthetic hand. Servo motors are controlled by an embedded processor that responds to predetermined electropotentials that are gathered using an EEG headset. The results are promising and the system proposed is a viable option for controlling a prosthetic hand's thumb.

关键词： Electroencephalography Thumb Prosthetics Electromyography computers Servomotors Training

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