Automatic recognition of intermodulation beat products in cable television pictures

TitleAutomatic recognition of intermodulation beat products in cable television pictures
Publication TypeConference Paper
Year of Publication1992
AuthorsShi, P., R. K. Ward, and Q. Zhang
Conference NameCircuits and Systems, 1992. ISCAS '92. Proceedings., 1992 IEEE International Symposium on
Pagination1660 -1663 vol.4
Date Publishedmay.
Keywordscable television, cable television pictures, Fourier transforms, image recognition, intermodulation, intermodulation beat products, picture impairment, two-dimensional Fourier transform, weak amplitudes
Abstract

A simple method which detects whether or not television pictures have become impaired by intermodulation beats is presented. This method uses the intrinsic properties of a beat in the two-dimensional Fourier transform. Since it does not use thresholding, it is able to identify beats of very weak amplitudes

URLhttp://dx.doi.org/10.1109/ISCAS.1992.230358
DOI10.1109/ISCAS.1992.230358

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