DocumentCode
954650
Title
Automatic recognition of intermodulation beat products in cable television pictures
Author
Shi, Pingnan ; Ward, Rabab K.
Author_Institution
Dept. of Electr. Eng., British Columbia Univ., Vancouver, BC, Canada
Volume
39
Issue
3
fYear
1993
fDate
9/1/1993 12:00:00 AM
Firstpage
318
Lastpage
326
Abstract
It was found previously (Ward and Zhang 1992) that the two-dimensional Fourier transform of a picture impaired by intermodulation beat products contains distinguishable pulses. Each product results in four pulses with special characteristics. The authors further analyze and study the intrinsic properties of these pulses. Based on these properties a method is designed which can detect these pulses, even if the picture is also impaired by snow as long as the intermodulation impairment is visible to the human eyes
Keywords
Fourier transforms; cable television; image recognition; intermodulation; television interference; TV interference; automatic recognition; cable television pictures; distinguishable pulses; image recognition; intermodulation beat products; intermodulation impairment; snow; two-dimensional Fourier transform; Cable TV; Design methodology; Discrete Fourier transforms; Distributed amplifiers; Eyes; Frequency; Humans; Power cables; Pulse amplifiers; Snow;
fLanguage
English
Journal_Title
Broadcasting, IEEE Transactions on
Publisher
ieee
ISSN
0018-9316
Type
jour
DOI
10.1109/11.237710
Filename
237710
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