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12-14 Sept. 2007

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Displaying Results 1 - 25 of 66
  • Proceedings ELMAR-2007

    Publication Year: 2007, Page(s):c1 - c2
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  • Copyright

    Publication Year: 2007, Page(s):i - ii
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  • ELMAR [Conference Organization]

    Publication Year: 2007, Page(s):iii - v
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  • Elmar-2007 symposium

    Publication Year: 2007, Page(s): vi
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  • Croatian Society Electronics in Marine - ELMAR

    Publication Year: 2007, Page(s): vii
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  • Welcome speech of the President of croatian society electronics in marine - ELMAR, Zadar

    Publication Year: 2007, Page(s):viii - ix
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  • Table of contents

    Publication Year: 2007, Page(s):x - xiii
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  • Personal networks and 4G

    Publication Year: 2007, Page(s):1 - 6
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (863 KB) | HTML iconHTML

    Uniting computers, mobile phones, and personal devices is the goal of wireless personal area network (WPAN), which is meant to become a major part of future mobile communication network. Personal networks (PNs) extend the local scope of PANs by addressing virtual personal environments that span over a variety of communication architectures. PN is seen as the future for the wireless and mobile comm... View full abstract»

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  • Mobile multimedia: Bringing users into focus

    Publication Year: 2007, Page(s): 7
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (83 KB)

    Summary form only given. Let us borrow this quote from the British humorist and cartoonist Ashleigh Brilliant to summarize the role of mobility in the development of the information society: "Unless you move, the place where you are is the place where you will always be". In more serious terms, new paradigms like pervasive and mobile computing clearly show a trend of using computing and communicat... View full abstract»

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  • Does multimodality really help? the classification of emotion and of On/Off-focus in multimodal dialogues - two case studies.

    Publication Year: 2007, Page(s):9 - 16
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (219 KB) | HTML iconHTML

    Very often in articles on monomodal human-machine-interaction (HMI) it is pointed out that the results can strongly be improved if other modalities are taken into account. In this contribution we look at two different problems in HMI: the detection of emotion or user state and the question whether the user is currently interacting with the machine, himself or another person (On/Off-Focus). We pres... View full abstract»

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  • Conversion demands on TV archive

    Publication Year: 2007, Page(s):17 - 22
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (697 KB) | HTML iconHTML

    As the TV world is going digital, new solutions to some conversion demands on TV archive materials need to be specified, and at the same time change of format need to be taken into consideration. Telecine was and still is the main conversion tool used to get electronic video signals of film pictures, and still protect projects closest possible artistic atmosphere of film image, or documentary cont... View full abstract»

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  • Empirical analysis of LIBS images using the nonlinear diffusion method

    Publication Year: 2007, Page(s):23 - 26
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (533 KB) | HTML iconHTML

    We are investigating the use of the laser induced breakdown spectroscopy, (LIBS), on blood samples of mice to detect the earliest stages of epithelial ovarian cancer (EOC). A laser changes a blood samples to plasma state and the images produced thereby are analyzed. By comparing LIBS images of blood from EOC positive mice to those of cancer free mice, our goal is to identify differences by which w... View full abstract»

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  • Corresponding colors: visual and predictive data

    Publication Year: 2007, Page(s):27 - 30
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (194 KB) | HTML iconHTML

    In cross-media color reproduction, it is important to be able to predict the colors under different viewing conditions. The two commonly used media, CRT displays and printed images were included in psychophysical experiments using six complex images. The experiments were carried out in dark and average surround. We have compared corresponding colors obtained from experiments with corresponding col... View full abstract»

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  • Tracking objects using particle filters

    Publication Year: 2007, Page(s):31 - 34
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (239 KB) | HTML iconHTML

    This paper describes an implementation of particle filter tracker based on condensation algorithm. The filter processes measurements as they become available in a standard predict-update loop. The prediction phase uses the available dynamic model to predict the probability density function in the next time step, by applying both the deterministic and stochastic component of the model to all sample... View full abstract»

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  • Adaptive polynomial neural networks for times series forecasting

    Publication Year: 2007, Page(s):35 - 39
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (484 KB) | HTML iconHTML

    Time series prediction involves the determination of an appropriate model, which can encapsulate the dynamics of the system, described by the sample data. Previous work has demonstrated the potential of neural networks in predicting the behaviour of complex, non-linear systems. In particular, the class of polynomial neural networks has been shown to possess universal approximation properties, whil... View full abstract»

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  • Comparison of H.264/AVC and MPEG-4 part 2 coded video

    Publication Year: 2007, Page(s):41 - 44
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (150 KB) | HTML iconHTML

    brief overview of H.264/AVC and MPEG-4 Part 2 standards is given in this paper with focus on differences between them. Experimental quality comparison of H.264/AVC and MPEG-2 Part 2 coded video is done for several sequences and bit rates. The codecs used in the experiment are JVT JM ver. 10.2, as implementation of H.264/AVC, andXviD ver. 1.1.0, as implementation of MPEG-4 Part 2. The peak signal-t... View full abstract»

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  • Objective video quality metrics

    Publication Year: 2007, Page(s):45 - 49
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (430 KB) | HTML iconHTML

    This paper discusses methods used in different objective video quality metrics. An experimental comparison of different objective methods is also conducted. This experiment shows the importance of video content for a subjective quality evaluation not comprised well by the objective metrics used. View full abstract»

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  • Comparison of H.264/AVC and MPEG-4 ASP coding techniques designed for mobile applications using objective quality assessment methods

    Publication Year: 2007, Page(s):51 - 54
    Cited by:  Papers (1)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (150 KB) | HTML iconHTML

    Due to its exceptional efficiency and performance a number of today's global organizations and alliances recognized and embraced new and constantly developed H.264/A VC compression method designed for a broad range of video applications. This article describes advantages of H.264/AVC in mobile communication systems with limited bandwidth. Due to very efficient compression method H.264/AVC enables ... View full abstract»

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  • The impact of increased video traffic on quality of service parameters in next generation IP/MPLS network

    Publication Year: 2007, Page(s):55 - 58
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB) | HTML iconHTML

    Insufficient quality of service (QoS) of the emerging multimedia applications is a growing concern that has led the need for research and study. In this paper we investigate the impact of increased video traffic on QoS parameters and their correlation in next generation network. Multi-protocol label switching (MPLS) and differentiated services (DiffServ) integration is very useful strategy for tod... View full abstract»

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  • Marine control and monitoring systems at Brodarski Institute

    Publication Year: 2007, Page(s):59 - 62
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (867 KB) | HTML iconHTML

    Increased ship automatization levels lead to better functionality and safety, as well as reduced costs and crew numbers. This article gives an overview of various marine control and monitoring systems recently developed by Brodarski Institute. Included in the presentation are recently commissioned propulsion monitoring system for fast patrol vessels, distributed fire and flooding protection system... View full abstract»

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  • Towards forecasting and mitigating ionospheric scintillation effects on GNSS

    Publication Year: 2007, Page(s):63 - 67
    Cited by:  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (582 KB) | HTML iconHTML

    The effect of the ionosphere on the signals of global navigation satellite systems (GNSS), such as the global positionig system (GPS) and the proposed European Galileo, is dependent on the ionospheric electron density, given by its total electron content (TEC). Ionospheric time-varying density irregularities may cause scintillations, which are fluctuations in phase and amplitude of the signals. Sc... View full abstract»

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  • Modeling and mitigation of the effect of scintillations on GPS

    Publication Year: 2007, Page(s):69 - 73
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (368 KB) | HTML iconHTML

    Ionospheric scintillations can not only reduce the accuracy of GPS/SB AS receiver pseudorange and carrier phase measurements but also result in a complete loss of lock on a satellite. Thus it is important to be able to investigate, model and mitigate scintillation effects. Thus, a transionospheric propagation model has been developed which can calculate frequency spectra (power spectra) of the pha... View full abstract»

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  • Theoretical model of space weather impact on GPS ionospheric delay

    Publication Year: 2007, Page(s):75 - 78
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (249 KB) | HTML iconHTML

    Space weather is a common name for the group of physical and chemical processes taking place in the vast space between the Sun and the Earth. Caused primarily by the solar activity, those processes create a flow of materia and energy. When directed to the Earth and its surroundings, this flow disrupts magnetic and ionospheric conditions, affecting numerous technical systems that utilise characteri... View full abstract»

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  • On the attitude errors when the quaternionic Wilcox method is used

    Publication Year: 2007, Page(s):79 - 84
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (385 KB) | HTML iconHTML

    The paper presents a way to determining the attitude by numerical integration of the Poisson attitude quaternionic equation using a dedicated method suggested by Wilcox. The method is implemented in a Matlab/simulink S-function and simulated with the help of a model for different types of inputs. There is also presented an evaluation of attitude errors for applied inputs and their variation surfac... View full abstract»

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  • The influences of the gyro sensors' errors on the attitude calculus

    Publication Year: 2007, Page(s):85 - 92
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (721 KB) | HTML iconHTML

    The paper presents a study about the weight of the different errors of the gyro sensors in the error of attitude angles calculus. For study three types of gyros are selected in order to emphasize the differences in performance currently existing between these categories and the way in which these performances are reflected on to the errors of the attitude angles. To evaluate the errors, the gyros ... View full abstract»

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