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Spectral Estimation of Video Signals

  • G. Cortelazzo
  • G. A. Mian
  • R. Rinaldo
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 171)

Abstract

Spectrum analyzers are ubiquitous in laboratory work concerning one dimensional signals. This is because linear operators are best examined in the frequency domain. Linear operators, such as linear filters, DCT coders, line shufflers, etc., dominate also the video systems scenario. Their frequency domain study is as appropriate and informative as it is in the case of their one-dimensional counterparts. This paper considers the problems associated with the introduction of two well-known spectral estimation techniques, the periodogram and AR estimates, to the context of television signals. The potential for application of spectral estimation to video problems is exemplified by a number of applications related to the fields of enhanced quality television and HDTV. Special attention is paid to the computational aspects, whose effective solution conditions the practical applicability of the proposed spectral estimation techniques.

Key Words

Spectral estimation periodogram FFT autoregressive modeling 

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • G. Cortelazzo
    • 1
  • G. A. Mian
    • 1
  • R. Rinaldo
    • 1
  1. 1.Dipartimento di Elettronica e InformaticaPadovaItaly

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