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An introduction to the special issue on time delay systems: Modelling, identification, stability, control and applications

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WSEAS Transactions on Systems 2012年第10期11卷 539-540页

作者： Pekař, Libor Neri, Filippo Department of Automation and Control Engineering Faculty of Applied Informatics Tomas Bata University in Zlín Zlín Czech Republic Department of Computer Science University of Naples Federico II Naples Italy

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Early Detection of the Pedestrian's Intention to Cross the Street

Early Detection of the Pedestrian's Intention to Cross the S...

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International IEEE Conference on Intelligent Transportation Systems

作者： Sebastian Kohler Michael Goldhammer Sebastian Bauer Konrad Doll Ulrich Brunsmann Klaus Dietmayer Faculty of Engineering University of Applied Sciences Aschaffenburg Pattern Recognition Lab Departement of Computer Science University Erlangen-Nuremberg Institute of Measurement Control and Microtechnology Ulm University

ISBN: (纸本)9781467330640

This paper focuses on monocular-video-based stationary detection of the pedestrian's intention to enter the traffic lane. We propose a motion contour image based HOG-like descriptor, MCHOG, and a machine learning algorithm that reaches the decision at an accuracy of 99% within the initial step at the curb of smart infrastructure. MCHOG implicitly comprises the body language of gait initiation, especially the body bending and the spread of legs. In a case study at laboratory conditions we present ROC performance data and an evaluation of the span of time necessary for recognition. While MCHOG in special cases indicates detection of the intention before the whole body moves, on average it allows for detection of the movement within 6 frames at a frame rate of 50 Hz and an accuracy of 80%. Feasibility of the method in a real world intersection scenario is demonstrated.

关键词： Legged locomotion Roads Support vector machines Accuracy Humans Image edge detection Vehicles

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Design, Implementation and Testing of Mobile Phone Application for Pleasant Wake up

Design, Implementation and Testing of Mobile Phone Applicati...

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IEEE International Workshop on Electronic Design, Test and Applications (DELTA)

作者： Ondrej Krejcar Jakub Jirka Department of Measurement and Control Center of Applied Cybernetics Faculty of Electrical Engineering and Computer Science VSB-Technical University of Ostrava Ostrava Poruba Czech Republic Department of Measurement and Control Faculty of Electrical Engineering and Computer Science Technical University of Ostrava Ostrava Poruba Czech Republic

Human life is divided into day periods as a main periods which consist of a day and night phase. Most of humans need to sleep a eight hours in a minimum to have their body and all the body function ready in day phase of a day. The second very important thing (instead of 8 hour sleep) is a phase of sleep in which a human is wake up. Waking up of a human in deep sleep phase lead to a very “unhappy” morning and not so nice spend of day. We are trying to develop algorithms to detect mild sleep stages which are the most suitable to human wake up. Actually we use microphone input to record and process sound near the monitored user. All the knowledge is implemented to mobile phone (windows mobile based device) as an intelligent alarm application. Whole application is designed as multithread Real-Time application based on. NET Compact Framework platform in C# language. Filtration and detection algorithms used special Math library Math. NET to process a recorded sound signal. This paper consists of several chapters which describes design, implementation and testing phases of this mobile application development. Actual testing results shows that our developed application detect correctly more than 70% of mild sleep stages of all tested persons.

关键词： Sleep Mobile handsets Testing Mobile communication Algorithm design and analysis Microphones

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Invasive blood pressure curves simulation device

Invasive blood pressure curves simulation device

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Middle East Conference on Biomedical engineering (MECBME)

作者： Jan Kijonka Marek Penhaker Jindrich Cernohorsky Faculty of Electrical Engineering Department of Measurement and Control VSB-Technical University of Ostrava Ostrava Czech Republic Faculty of Electrical Engineering and Computer Science Department of Measurement and Control Centre for Applied Cybernetics VSB-Technical University of Ostrava Ostrava Czech Republic

Patient monitor modules have various inputs for vital function measurement. We can practice many of these measurements with some students in the laboratory of biomedical engineering. However, invasive blood pressure (IBP) measurement demonstration is impossible. This paper is dealing with design and realization of a programmable invasive blood pressure simulator. This device is able to generate programmable behavior of voltage signal with correspond to blood pressure curve. The user communication interface of the device allows choosing the type of generated signal by LCD and 4 push buttons. The wide spectrums of generated signals, which correspond to physiological or pathological blood pressure curves, are stored in a user programmable memory. The output connectors of the device can be directly connected to a patient monitor IBP module input. Invasive blood pressure measurement simulation for educational purposes and calibrating the patients monitors are the general usages of the developed device.

关键词： Biomedical monitoring Blood pressure Monitoring Bridge circuits Pressure measurement Temperature measurement

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Reduction of Player's Weight by Active Playing Using Motion Sensors

Reduction of Player's Weight by Active Playing Using Motion ...

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The 2011 International Conference on Electric and Electronics(EEIC 2011)

作者： Ondrej Krejcar Dalibor Janckulik University of Hradec Kralove FIM Department of Information Technologies VSB Technical University of Ostrava Center for Applied Cybernetics Department of Measurement and Control Faculty of Electrical Engineering and Computer Science

This project was inspired by the idea of the connection of amusement and useful thing respectively the movement by the playing games, because as is known global problem of the Word is increasing obesity caused by the addiction on the PC games at the young people. This project connects pleasurable with useful, respectively playing of the game with physical effort. By the help of the accelerometer is possible to handle by simple games to whose operating is needed physical impulsion of the player. After it would be possible to take up on this project by the beat measurement of the player in order to check on effectivity of the suggested system. Software was programmed in background C#.

关键词： accelerometer weight reducing mobile device C#

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Proactive user adaptive system for windows mobile devices - Processing of sound input signal for sleep state detection

Proactive user adaptive system for windows mobile devices - ...

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2010 2nd International Conference on Mechanical and Electronics engineering, ICMEE 2010

作者： Krejcar, Ondrej Jirka, Jakub Janckulik, Dalibor Dept. of Measurement and Control Center for Applied Cybernetics Faculty of Electrical Engineering and Computer Science Ostrava-Poruba Czech Republic Dept. of Measurement and Control Technical University of Ostrava Faculty of Electrical Engineering and Computer Science Ostrava-Poruba Czech Republic

ISBN: (纸本)9781424474806

Proactive principle can be used not only in large distributed solution for medical centers, but it can be found usable in a many other solutions. One of them we found in an application to allow for people have a happy wake up. A mobile device application was developed to solve a problem of bad wake up at morning for all the people. Sleep is a complex process regulated with our brain and as such is driven by 24 hour biological rhythm. Our biological clocks are controlled by chemical substances that are mostly known to us. wakeNsmile application is developed to react on users declared request in form of happy wake up at predefined time (Fig. 1). The time defined for alarm is however the latest possible time to wake up of user. We are trying to detect a body state in which the user is most able to wake up with a smile. Time period for detection analysis of state phases is declared to 30 minutes. A Fast Fourier Transformation (FFT) and some other sophisticated methods are used for it. © 2010 IEEE.

关键词： Fast Fourier transforms

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Development of bar code scanner application for windows mobile devices using a symbol mobility developer kit for .NET compact framework

Development of bar code scanner application for windows mobi...

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2010 2nd International Conference on Mechanical and Electronics engineering, ICMEE 2010

作者： Krejcar, Ondrej Macecek, Marcel Department of Measurement and Control Center for Applied Cybernetics Faculty of Electrical Engineering and Computer Science 17. Listopadu 15 70833 Ostrava-Poruba Czech Republic

ISBN: (纸本)9781424474806

The problem we would like to discuss and solve is based on a remote controlling of created packages containing predefined components with a predefined numbers of these components. In principle the problem acts as a check out control problem. By the help of mobile device with integrated bar code scanner an application for such mobile device can be developed as a remote client of server, which contains a database with predefined properties, numbers of packages, etc. A web services and mobile client application was created using a Microsoft Visual Studio 2008. © 2010 IEEE.

关键词： Bar codes

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Software solutions for implementation of biotelemetric system

Software solutions for implementation of biotelemetric syste...

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作者： Janckulik, Dalibor Motalova, Leona Krejcar, Ondrej Technical University of Ostrava Faculty of Electrical Engineering and Computer Science Dept. of Measurement and Control Ostrava Czech Republic Technical University of Ostrava Faculty of Electrical Engineering and Computer Science Centre of Applied Cybernetics Ostrava Czech Republic

ISBN: (纸本)9788070438657

This paper describes development of a biotelemetric system and problem of real time processing of ECG signal. In this case of signal processing ECG CorBelt primarily on mobile embedded monitoring stations. The Whole system is based on Microsoft product as Windows Mobile, Microsoft SQL Server, .NET Micro Framework, .NET Compact Framework and .NET Framework. On paper is deal with ECG measurement devices and there are evaluated pasted real tests. Problem in processing of ECG signal is quantity of transfered data. Commercial mobile devices can't processing this data on Real Time. Our paper are described possibilities of parsing of this ECG signal. Visualization of data is solved by small userfriendly application created in WPF (Windows Presentation Foundation) and Silverlight application. This application was created in development environment Microsoft Expression Blend and was subjected to stress tests. This application and tests results are presented too.

关键词： Electrocardiograms

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Solutions of hardware platform for biotelemetric systems

Solutions of hardware platform for biotelemetric systems

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ISBN: (纸本)9788070438657

This paper describes one part of our Biotelemetric System. This part is hardware platform from preprocessing of ECG signal. In order to real time visualization of ECG data, we need measure and process real data from ECG device. This paper discuses main possibilities to solve this problem. First possibility is using of commercial devices, such as embedded PCs, PDAs and wireless ECG unit BlueECG communicating via bluetooth. Suggests major problems and disadvantages of their use and offers possible solutions. This possibility is construction of our own purpose-built equipment. Advantages of our own equipment are its low power consumption and collaboration with mobile devices with limited computing capabilities. In the end we describe the real-time response time of packet parsing problem.

关键词： Electrocardiography

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Modern tools for design and implementation of mobile biomedical system for home care agencies

Modern tools for design and implementation of mobile biomedi...

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12th Mediterranean Conference on Medical and Biological engineering and Computing, MEDICON 2010

作者： Janckulik, Dalibor Motalova, Leona Krejcar, Ondrej Faculty of Electrical Engineering and Computer Science Dept. of Measurement Control Technical University of Ostrava Ostrava Czech Republic Centre for Applied Cybernetics Dept. of Measurement Control Technical University of Ostrava Ostrava Czech Republic

ISBN: (纸本)9783642130380

The work describe the implementation of the prototype solution of the rightly developing system. The system belongs to the group of the tele-medical applications orientated on the e-health sphere of the supplying of the services. This system can considerably help to streamline the work of the nurses. The system is proposed and implemented so that it was simple to extend it. The system contains three basic parts. The desktop application appointed for the projecting, the mobile application for the employees in the terrain on which from the design creates the history and the application for the synchronization. The mobile equipment serves as a task-work in which the employee will tear away the tasks which he has to do and which were in advance schemed by the superior employee. The system will be fully extendable about other required functionalities which relates departmentally with the system. © 2010 International Federation for Medical and Biological engineering.

关键词： Medical applications

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