Journal of Electrical and Electronic Engineering

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Volume 3, Issue 1, February 2015

  • Improved Fuzzy C-Means Algorithm for Image Segmentation

    Xuegang Hu, Lei Li

    Issue: Volume 3, Issue 1, February 2015
    Pages: 1-5
    Received: 26 December 2014
    Accepted: 8 January 2015
    Published: 22 January 2015
    DOI: 10.11648/j.jeee.20150301.11
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    Abstract: In order to preserve more image details and enhance its robustness to noise for image segmentation, an improved fuzzy c-means algorithm (FCM) for image segmentation is presented by incorporating the local spatial information and gray level information in this paper. The modified membership function and clustering center function are more mathematic... Show More
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  • Particular Transient Regimes of Asynchronous Motors Supplied by PWM Converters

    Monica-Adela Enache, Sorin Enache, Ion Vlad, Gheorghe-Eugen Subtirelu

    Issue: Volume 3, Issue 1, February 2015
    Pages: 6-11
    Received: 2 February 2015
    Accepted: 19 February 2015
    Published: 2 March 2015
    DOI: 10.11648/j.jeee.20150301.12
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    Abstract: This paper presents a few aspects regarding the analysis of some dynamic regimes of asynchronous motors supplied at variable frequency. In this purpose, in the first part of the paper, there are detailed the Simulink blocks of a program for simulating the operation of driving systems with static converters with precomputed commutation moments. Then... Show More
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