A Systolic Array Structured Decision Feedback Equalizer based on Extended QR-RLS Algorithm 


Vol. 29,  No. 11, pp. 1518-1526, Nov.  2004


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  Abstract

In this paper, an algorithm using wavelet transform for detecting a cut that is a radical scene transition point, and fade and dissolve that are gradual scene transition points is proposed. The conventional methods using wavelet transform for this purpose is using features in both spatial and frequency domain. But in the proposed algorithm, the color space of an input image is converted to YUV and then luminance component Y is transformed in frequency domain using 2-level lifting. Then, the histogram of only low frequency subband that may contain some spatial domain features is compared with the previous one. Edges obtained from other higher bands can be divided into global, semi-global and local regions and the histogram of each edge region is compared. The experimental results show the performance improvement of about 17% in recall and 18% in precision and also show a good performance in fade and dissolve detection.

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  Cite this article

[IEEE Style]

W. C. Lee, "A Systolic Array Structured Decision Feedback Equalizer based on Extended QR-RLS Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 11, pp. 1518-1526, 2004. DOI: .

[ACM Style]

Won Cheol Lee. 2004. A Systolic Array Structured Decision Feedback Equalizer based on Extended QR-RLS Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 29, 11, (2004), 1518-1526. DOI: .

[KICS Style]

Won Cheol Lee, "A Systolic Array Structured Decision Feedback Equalizer based on Extended QR-RLS Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 11, pp. 1518-1526, 11. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880