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- W2352131856 abstract "A method based on triple correlation is proposed against the detection problem of weak signal from noises.By analyzing the difference of triple self-correlation average values with or without noises,one can eliminate noises and estimate the signals.Pseudo-3D graphics of triple correlation is adopted for the detection of hidden signals from scrambled background,and the orientation information of hidden signals can be effectively obtained.Investigations show that using triple correlation peak detection method,the signal-to-noise ratio(SNR) improvement of approximate 23dB can be achieved when the peak signal-to-noise ratio is 0.8702313dB and the power signal-to-noise ratio is-0.9257607dB.Point object in sequence images can also be detected from random noises.These approaches provide available schemes for anti-counterfeiting machine readable systems." @default.
- W2352131856 created "2016-06-24" @default.
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- W2352131856 date "2005-01-01" @default.
- W2352131856 modified "2023-09-26" @default.
- W2352131856 title "Triple correlation detection of hidden signal from scrambled background" @default.
- W2352131856 hasPublicationYear "2005" @default.
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