DocumentCode
285647
Title
Automatic recognition of intermodulation beat products in cable television pictures
Author
Shi, Pingnan ; Ward, Rabab K. ; Zhang, Qin
Author_Institution
Dept. of Elect. Eng., British Columbia Univ., Vancouver, BC, Canada
Volume
4
fYear
1992
fDate
3-6 May 1992
Firstpage
1660
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
Keywords
Fourier transforms; cable television; image recognition; intermodulation; cable television pictures; intermodulation beat products; picture impairment; two-dimensional Fourier transform; weak amplitudes; Cable TV; Colored noise; Fourier transforms; Frequency; Intermodulation distortion; Low-frequency noise; Signal to noise ratio; Snow; TV interference; Working environment noise;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 1992. ISCAS '92. Proceedings., 1992 IEEE International Symposium on
Conference_Location
San Diego, CA
Print_ISBN
0-7803-0593-0
Type
conf
DOI
10.1109/ISCAS.1992.230358
Filename
230358
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