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IEEE International Workshop on Intelligent Signal Processing, 2005.

1-3 Sept. 2005

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Displaying Results 1 - 25 of 75
  • 2005 IEEE International Workshop on Intelligent Signal Processing (IEEE Cat. No. 05EX1039)

    Publication Year: 2005
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    Freely Available from IEEE
  • Copyright

    Publication Year: 2005, Page(s): 0_2
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    Freely Available from IEEE
  • Welcome to WISP 2005

    Publication Year: 2005, Page(s): 0_3
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    Freely Available from IEEE
  • WISP 2005 - Table of Contents

    Publication Year: 2005, Page(s):0_6 - 0_12
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    Freely Available from IEEE
  • The concept of a generalized constraint - a bridge from natural languages to mathematics

    Publication Year: 2005, Page(s):1 - 2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (885 KB) | HTML iconHTML

    The concept of a generalized constraint was introduced close to two decades ago. For a number of years, it lay dormant and unused. But then, in the mid-nineties, it found an important application as a basis for the methodology of computing with words (CW). The basis for the expectation is that as we move further into the age of machine intelligence and mechanized reasoning, the problem of natural ... View full abstract»

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  • Intelligent decision support systems on the grid for the health monitoring of complex systems

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (846 KB) | HTML iconHTML

    The demand for increased functionality of systems has lead to the complexity of systems, as measured by the number of components and classes of behaviours, to grow steadily over the years. The analysis of such complex systems, for example towards the goal of health monitoring, with a single methodology is bound to be inadequate. In this presentation, a grid enabled health monitoring system for a f... View full abstract»

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  • Computational intelligence in industrial quality control

    Publication Year: 2005, Page(s):4 - 9
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1005 KB) | HTML iconHTML

    The aim of the quality control in industrial application is to analyze and monitor the quality of industrial manufacturing activities. Signal processing systems and automatic visual inspection systems, which are automatic systems that perform visual inspection by means of machine vision, can play a fundamental role in quality assessment since they can guarantee a high and constant non invasive qua... View full abstract»

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  • Interlaced to progressive scan conversion Using fuzzy edge-based line average algorithm

    Publication Year: 2005, Page(s):10 - 15
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1485 KB) | HTML iconHTML

    De-interlacing methods realize the interlaced to progressive conversion required in many applications. Among them, intra-field methods are widely used for their good trade off between performance and computational cost. In particular, the ELA algorithm is well-known for its advantages in reconstructing the edges of the images, although it degrades the image quality where the edges are not clear. T... View full abstract»

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  • Vision-based real-time speed tracking

    Publication Year: 2005, Page(s):16 - 21
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1168 KB) | HTML iconHTML

    Motion-based features of a human can depict the approximate moving direction of the body while walking or slow running. But nearly all the motion-based features are not robust in capturing the speed of a moving person. In this research, a real-time vision-based method is proposed to compute the speed of a player during a soccer game using the image frames from video cameras placed in all the corne... View full abstract»

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  • Adaptive polynomial regression for colorimetric scanner calibration using genetic algorithms

    Publication Year: 2005, Page(s):22 - 27
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1183 KB) | HTML iconHTML

    Device independent colour representation is a common operation in order to assure colour consistency throughout the colour measurement and reproduction pipeline, i.e., from input to output devices. Different methods exist to convert device dependent colour spaces into device independent colour representation, usually relying on a priori fixed model structures and without imposing limitations on ma... View full abstract»

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  • Practical fast asymmetric DCT algorithm and its SIMD and VLIW oriented architecture

    Publication Year: 2005, Page(s):28 - 31
    Cited by:  Papers (1)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1083 KB) | HTML iconHTML

    Discrete cosine transforms (DCT) have been the mainstay of image signal processing. In this paper a practical, efficient asymmetric DCT (ADCT) is proposed. For 2D-DCT, ADCT implements the row computation differently in concept from column computation. A SIMD and VLIW oriented architecture for ADCT is further proposed to achieve about 20% speed improvement over the fastest known VLIW oriented DCT. ... View full abstract»

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  • A predictive adaptive approach to generic ECG data compression

    Publication Year: 2005, Page(s):32 - 37
    Cited by:  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1445 KB) | HTML iconHTML

    In the modern hospital, the efficient storage of electronically recorded biomedical signals as well as its transmission over communication networks is becoming more and more important. Although digital storage media is currently almost inexpensive and computational power has exponentially increased in last years, effective electrocardiogram (ECG) compression techniques are still very attractive. I... View full abstract»

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  • A comparison of computing architectures for ultrasonic signal processing

    Publication Year: 2005, Page(s):38 - 40
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1205 KB) | HTML iconHTML

    The design of advanced sonar modules implies the use of more and more complex processing algorithms, in order to obtain as much information as possible from the environment. The use of simultaneous emission and reception techniques in certain transducers, that form an ultrasonic sensorial module, allows to increase the benefits and the performance of this type of systems. These developments make p... View full abstract»

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  • CAP event detection by wavelets and GA tuning

    Publication Year: 2005, Page(s):44 - 48
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1043 KB) | HTML iconHTML

    The electroencephalogram (EEG) is a non-invasive and affordable technique to study the brain activity during wakefulness and especially during sleep. The current trend on sleep analysis focuses on its dynamic organization described in the cyclic alternating pattern (CAP) paradigm. This paradigm looks to the EEG microstructure, gives attention to the short duration EEG phenomena instead of the trad... View full abstract»

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  • Time, time-frequency and displacement-frequency analysis of embolic signals

    Publication Year: 2005, Page(s):49 - 53
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1018 KB) | HTML iconHTML

    The characteristics of a new method, the displacement-frequency representation, prompted the study of its use for the analysis of embolic blood flow signals. This paper reports the comparison of displacement-frequency and time-frequency methods with time domain methods, in the characterization of emboli. The study was performed on clinical signals derived from gaseous and participate embolic event... View full abstract»

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  • Evaluation of the analog-digital system in dynamic conditions

    Publication Year: 2005, Page(s):54 - 58
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1066 KB) | HTML iconHTML

    The article deals with an improved method of analog-digital system (ADS) evaluation as the system objects with the dynamic nonlinear and stochastic properties. A proposed method makes it possible to estimate the dynamic of ADS as in time, as in spectral domain, without the use of additional hardware or the need for additional measurements. The implementation of the method that is described is base... View full abstract»

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  • Discrete wavelet cycle integration for pulse detection

    Publication Year: 2005, Page(s):59 - 63
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1112 KB) | HTML iconHTML

    Current approaches in electromagnetic pulse detection (radar, communications, etc.) use domain transformations so as to concentrate in frequency related information that can be distinguishable from noise. Wavelet transforms are usually described in two main sets: continuous wavelet transforms and discrete wavelet transforms. Although they share mathematical motivation, both transformations have di... View full abstract»

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  • Ballistocardiogram classification using a novel transform so-called AliMap and biorthogonal wavelets

    Publication Year: 2005, Page(s):64 - 69
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1163 KB) | HTML iconHTML

    This paper presents a new kind of mapping so-called AliMap for signal processing. This map tries to eliminate redundant information without losing relevant information incorporated in spatial, time, and frequency domains. i.e., this map is able to extract most important information and quantify thorn using scalar values, mapping from a high dimensional space to one scalar value. It has three facto... View full abstract»

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  • Denoising based on wavelet and PCA signal compression

    Publication Year: 2005, Page(s):70 - 73
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1338 KB) | HTML iconHTML

    The paper includes a presentation and comparison of principal component analysis (PCA) and wavelet transform approach to the reduction of noise contaminating the data. The elimination of the noise is achieved through compression and then decompression of the noisy data with some losses. In the paper the results of some numerical experiments are included and the choice of compression parameters dis... View full abstract»

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  • A Kalman filter with censored data

    Publication Year: 2005, Page(s):74 - 79
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3624 KB) | HTML iconHTML

    In this paper a state estimation problem is addressed where part of the available data are interval censored. Censored and non-censored data are taken into account in an optimal manner via an extension of the state estimation technique known as the Kalman filter. This estimation procedure improves on the performance of estimators based only on non-censored data. View full abstract»

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  • Synchrophasor design based on a DSP-microcontroller

    Publication Year: 2005, Page(s):80 - 85
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1187 KB) | HTML iconHTML

    The design of a synchrophasor based on a DSP-microcontroller (C2000 family) is presented in this article. The standard temporal reference of this system is generated with a signal of 1 pulse per second (1PPS) from a Global Positioning System (GPS), this lets the measurement of the phase between two electrical signals that can be located far away one from the other. Synchrophasor is the acronym of ... View full abstract»

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  • Multi-dictionary matching pursuit for servo error analysis applied to iterative learning control

    Publication Year: 2005, Page(s):86 - 91
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1279 KB) | HTML iconHTML

    Wavelets and associated multiresolution analysis has had a major impact on signal processing, data compression, computer vision, telecommunication and a variety of other engineering and scientific disciplines. However, all of the aforementioned applications are limited to either wavelet analysis or wavelet characterization. The use of wavelets as basis in the direct control of the system dynamics ... View full abstract»

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  • Two level hierarchical control strategy applied to an intelligent house

    Publication Year: 2005, Page(s):92 - 97
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1624 KB) | HTML iconHTML

    Houses are becoming intelligent in our days. It is expected that in the near future the instrumentation and automation solutions that have been entering in our cars, in the last decade, are going to expand into the house market. The future intelligent house is a system that interacts with its inhabitants showing information about the system state, alarm occurrences and making suggestions to overco... View full abstract»

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  • Relay-based autotuning: a second order algebraic design

    Publication Year: 2005, Page(s):98 - 103
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1023 KB) | HTML iconHTML

    The paper is focused on autotuners tuning a class of PID like controllers. The autotuning principle combines relay feedback identification and an algebraic control design method for stable systems. The estimation of the stable controlled process is performed through asymmetrical limit cycle data. Then a second order transfer function with a double real pole is identified. The controller is derived... View full abstract»

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  • Control strategy of three-phase matrix converter fed induction motor drive system

    Publication Year: 2005, Page(s):104 - 109
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1432 KB) | HTML iconHTML

    In this paper, a control strategy of scalar modulation with three intervals and vector control technique for matrix converter fed induction motor drive system is proposed. By applying this control strategy, we are able to combine the advantages of matrix converter and the advantages of the vector control. Simulation results are shown to demonstrate the effectiveness of the proposed control scheme. View full abstract»

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