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作者： Bernshausen, Jens Joochim, Chanin Roth, Hubert Institute of Automatic Control Engineering Department of Electrical Engineering and Computer Science University of Siegen Hoelderlinstr. 3 57068 Germany

ISBN: (纸本)9783902661937

This work purposes using a 3D PMD camera as a sensor for mobile robot applications. The use of image sensors for environment detection is substantial and common usage in mobile robot exploration. Laser scanners, 3D stereo vision or a combination of them are be used generally. The PMD camera is a novel 3D measuring system, which is based on a time-of-ight principle. The main feature is an array sensor, which can measure the distance to the target without scanning. This relatively new technology offers a cost-effective alternative to the mentioned sensors. In the following we present methods for self-localization and 3D map building by remote sensor data acquisition. This allows the teleoperative control of a mobile robot in an unknown environment. To enhance the mobile robot tasks, a CCD and the PMD camera are registered in order to create the three dimensional mapping. The CCD texture data will be overlaid with the PMD depth data to increase the accuracy of the lateral resolution. The visual input from the CCD camera not only delivers high resolution texture data, it can also apply for object recognition in clutter environment. © 2011 IFAC.

关键词： Mobile robots

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An Elegant Home Automation System Using GSM and ARM-Based Architecture

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IEEE Potentials 2018年第5期37卷 43-48页

作者： Manda, V.L.K. Bharadwaj Kushal, Voona Ramasubramanian, N. Department of Engineering Design National Institute of Technology Madras Tiruchirappalli Tamil Nadu India Department of Instrumentation and Control Engineering National Institute of Technology Madras Tiruchirappalli Tamil Nadu India Department of Computer Science and Engineering National Institute of Technology Tiruchirappalli Tamil Nadu India

Home automation systems have been developed recently using various technologies, such as the Internet, wireless networks, Bluetooth, and voice commands, among others. Our proposed research provides a cost-effective system that helps know and control the status of different home appliances. The technology here is the Global System for Mobile Communication (known as GSM), and the central processing unit of this system is the NXP LPC11U24 microcontroller unit (the ARM "mbed" microcontroller), which is designed especially to prototype low-cost Universal Serial Bus (USB) devices and other applications that are battery powered. © 2018 IEEE.

关键词： Domestic appliances

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Experimental and model comparisons of H_2O_2 assisted UV photodegradation of Microcystin-LR in simulated drinking water

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Journal of Zhejiang University-science A(Applied Physics & engineering) 2009年第11期10卷 1660-1669页

作者： Lei LI Nai-yun GAO Yang DENG Juan-juan YAO Ke-jia ZHANG Hai-jun LI Di-di YIN Hua-se OU Jian-wei GUO State Key Laboratory of Pollution Control and Resource Reuse Tongji University Shanghai 200092 China Department of Civil Engineering and Surveying University of Puerto Rico Mayaguez 00681 USA Faculty of Material Science and Chemistry Engineering China University of Geosciences Wuhan 430074 China

The degradation of Microcystin-LR (MC-LR) in water by hydrogen peroxide assisted ultraviolet (UV/H2O2) process was investigated in this paper. The UV/H2O2 process appeared to be effective in removal of the MC-LR. MC-LR decomposition was primarily ascribed to production of strong and nonselective oxidant-hydroxyl radicals within the system. The intensity of UV radiation, initial concentration of MC-LR, MC-LR purity, dosages of H2O2, the initial solution pH, and anions present in water, to some extent, influenced the degradation rate of MC-LR. A modified pseudo-first-order kinetic model was developed to predict the removal efficiency under different experimental conditions.

关键词： Microcystin-LR （MC-LR） Hydrogen peroxide assisted ultraviolet （UV/H2O2） process Hydroxyl radical Reaction kinetics Photochemical degradation

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SP-MTFL: A self paced multi-task feature learning method for cognitive performance predicting of Alzheimer's disease 4

SP-MTFL: A self paced multi-task feature learning method for...

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4th International Symposium on Image Computing and Digital Medicine, ISICDM 2020

作者： Liu, Xiaoli Li, Jiali Cao, Peng Department of Chemical and Biomolecular Engineering Faculty of Engineering National University of Singapore Singapore Computer Science and Engineering Northeastern University Shenyang China

ISBN: (纸本)9781450389686

Machine learning algorithms and multivariate data analysis methods have been widely utilized in the field of Alzheimer's disease (AD) research in recent years. Predicting cognitive performance of subjects from neuroimage measures and identifying relevant imaging biomarkers are important research topics in the study of Alzheimer's disease. Multi-task based feature learning (MTFL) have been widely studied to select a discriminative feature subset from MRI features, and improve the performance by incorporating inherent correlations among multiple clinical cognitive measures. Inspired by the fact that humans often learn from easy concepts to hard ones in the cognitive process, we propose a self-paced multi-task feature learning framework that attempts to learn the tasks by simultaneously taking into consideration the complexities of both tasks and instances per task in this study. Experimental results on ADNI are provided, and the comparison results demonstrate the effectiveness of our approach and show that our approach outperforms the state-of-the-art methods. © 2020 ACM.

关键词： Machine learning

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A grid-enabled PSE for physical simulation: Experiences on GridPSi

A grid-enabled PSE for physical simulation: Experiences on G...

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1st International Conference on e-science and Grid Computing, e-science 2005

作者： Zhou, Jun Umetani, Yukio Graduate School of Science and Engineering Shizuoka University Japan Computer Science Department Faculty of Information Shizuoka University Japan

ISBN: (纸本)0780394631

As the power of computational Grids increases, there is a corresponding need for better usability in PSE community. In this paper, we describe our experiences on design of project GridPSi, a Gridenabled PSE for physical simulation, GridPSi provides a rich suite of functions that facilitate the composition of computational scripts to automate physical simulations by design domain-specific templates for a verity of research fields. The generic functionality provided by it includes problem modeling, mesh file conversion, computational script generation, solution scheme specification and access to Grid resources. GridPSi offers a simple interface that is intuitive to users in the human-PSE interactions and ways of thinking. Furthermore, we developed higher-level graphical components named PDE wizards that build upon the core functions to guide users through problem modeling process with minimum effort, By using Unicore as Grid middleware, we are lowering the barriers to entry for users wishing to exploit Grid technologies. © 2005 IEEE.

关键词： Distributed computer systems

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An associative learning experiment using the plasmodium of Physarum polycephalum

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Nano Communication Networks 2011年第2-3期2卷 99-105页

作者： Shirakawa, Tomohiro Gunji, Yukio-Pegio Miyake, Yoshihiro Department of Computer Science School of Electrical and Computer Engineering National Defense Academy of Japan 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan Department of Earth and Planetary Science Graduate School of Science Kobe University 1-1 Rokkodai Kobe Hyogo 657-8501 Japan Dept. of Earth and Planetary Science Faculty of Science Kobe University 1-1 Rokkodai Kobe Hyogo 657-8501 Japan Department of Computational Intelligence and Systems Science Interdisciplinary Graduate School of Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Midori Kanagawa 226-8502 Japan

The plasmodium of Physarum polycephalum is a unicellular and multinuclear giant amoeba that shows adaptive behaviors. To test the presence of memory and learning ability in the plasmodium, we performed an associative learning experiment using the unicellular organism. The plasmodium in this experiment seemed to acquire a reversed thermotactic property, a new preference for the lower temperature. The result implied a possibility of unicellular learning, though in a preliminary way. We also discuss a possible mechanism of learning by the organism. © 2011 Elsevier Ltd.

关键词： Biology

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Dataset of Large Gathering Images for Person Identification and Tracking

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computers, Materials & Continua 2023年第3期74卷 6065-6080页

作者： Adnan Nadeem Amir Mehmood Kashif Rizwan Muhammad Ashraf Nauman Qadeer Ali Alzahrani Qammer H.Abbasi Fazal Noor Majed Alhaisoni Nadeem Mahmood Faculty of Computer and Information System Islamic University of MadinahMadinah42351Saudi Arabia Department of Computer Science and Information Technology Sir Syed University of Engineering and TechnologyKarachi75300Pakistan Department of Computer Science Federal Urdu University of ArtsScience&TechnologyIslamabad45570Pakistan Department of Physics Federal Urdu University of ArtsScience&TechnologyKarachi75300Pakistan James Watt School of Engineering University of GlasgowGlasgowG128QQUK Computer Sciences Department College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityRiyadh11671Saudi Arabia Department of Computer Science University of KarachiKarachi75270Pakistan

This paper presents a large gathering dataset of images extracted from publicly filmed videos by 24 cameras installed on the premises of Masjid Al-Nabvi,Madinah,Saudi *** dataset consists of raw and processed images reflecting a highly challenging and unconstraint *** methodology for building the dataset consists of four core phases;that include acquisition of videos,extraction of frames,localization of face regions,and cropping and resizing of detected face *** raw images in the dataset consist of a total of 4613 frames obtained fromvideo *** processed images in the dataset consist of the face regions of 250 persons extracted from raw data images to ensure the authenticity of the presented *** dataset further consists of 8 images corresponding to each of the 250 subjects(persons)for a total of 2000 *** portrays a highly unconstrained and challenging environment with human faces of varying sizes and pixel quality(resolution).Since the face regions in video sequences are severely degraded due to various unavoidable factors,it can be used as a benchmark to test and evaluate face detection and recognition algorithms for research *** have also gathered and displayed records of the presence of subjects who appear in presented frames;in a temporal *** can also be used as a temporal benchmark for tracking,finding persons,activity monitoring,and crowd counting in large crowd scenarios.

关键词： Large crowd gatherings a dataset of large crowd images highly uncontrolled environment tracking missing persons face recognition activity monitoring

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Construction of the EEG emotion judgment system using concept base of EEG features

Construction of the EEG emotion judgment system using concep...

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2015 International Conference on Artificial Intelligence, ICAI 2015 - WORLDCOMP 2015

作者： Morimoto, Mayo Imono, Misako Tsuchiya, Seiji Watabe, Hirokazu Department of Information and Computer Science Graduate School of Science and Engineering Doshisha University Kyo-Tanabe City Kyoto Japan Department of Intelligent Information Engineering and Science Faculty of Science and Engineering Doshisha University Kyo-Tanabe City Kyoto Japan

ISBN: (纸本)1601324073

For a robot converse naturally with a human, it must be able to accurately gauge the emotional state of the person. Techniques for estimating emotions of a person from facial expressions, intonation and speech content have been proposed. This paper presents a technique for judging the emotion of a person using EEGs. The system of judging the emotion from EEGs is called EEG Emotion Judgment System, and constructed Concept Base for reducing noise in this paper. Accuracy of emotion judgment using EEG features of all subjects was 57.6% and using leave-one-out cross validation was 30.8%. Although performance accuracy remains low, continued development is required through further development of methods for both reducing different variety of noise mixed in with EEGs. © 2019 ICAI 2015 - WORLDCOMP 2015. All rights reserved.

关键词： Statistical methods

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Effect of forwarding strategy on the life time of multi-hop multi-sink sensor networks

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International Joint Conference on Advances in ITC2102 and PEIE2012

作者： Ghosh, Kaushik Das, Pradip K. Department of Computer Science and Engineering Mody Institute of Technology and Science Lakshmangarh Rajasthan India Faculty of Engineering and Technology Mody Institute of Technology and Science Lakshmangarh Lakshmangarh Rajasthan India

ISBN: (纸本)9781461433620

Lifetime of a sensor network can be extended by judicious energy expenditure. Energy consumed is primarily a function of inter-nodal distance and thus effect of forwarding technique can no longer be overlooked while trying to enhance the lifetime of sensor network. Lifetime of a network has been defined differently in different papers depending upon the nature and application of the sensor network under consideration. In this paper we have proposed a forwarding scheme and have compared the same with greedy forwarding and residual energy based forwarding while finding the lifetime for the sensor network. © 2013 Springer science+Business Media New York.

关键词： Sensor networks

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Design and implementation of a dynamic reconfigurable classroom for cooperative learning

Design and implementation of a dynamic reconfigurable classr...

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3rd IEEE International Conference on Intelligent Networking and Collaborativesystems, INCoS 2011

作者： Kondo, Hideki Narahara, Hiroyuki Department of Mechanical Information Science and Technology Faculty of Computer Science and System Engineering Kyushu Institute of Technology Iizuka Japan

ISBN: (纸本)9780769545790

In order to practically examine a new type of class, in which cooperative learning is taken into consideration, we designed and built a classroom. This classroom, in which furniture and a flexible ICT basis are both designed reconfigurable, supports much more complex interactions between learners than in a traditional classroom. Two months' observation of the activities in the classroom shows that many aspects of the reconfigurations have encouraged complex interactions within cooperative learning. © 2011 IEEE.

关键词： Collaboration Cooperative Learning Dynamic Reconfigurable Classroom Dynamic scheduling Education Information science Materials Multicore processing Servers classroom furniture complex interaction computer aided instruction cooperative learning dynamic reconfigurable classroom flexible ICT furniture

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