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International Journal of Scientific Research in Computer Science (IJSRCS)
We consider the problem of extracting blindly data embedded over a wide band in a spectrum (transform) domain of a digital medium (image, audio, video). We develop a novel multicarrier/ signature iterative generalized least-squares (M-IGLS) core procedure to seek unknown data hidden in hosts via multicarrier spread-spectrum embedding. Neither the original host nor the embedding carriers are assumed available. We considered the problem of blindly extracting unknown messages hidden in image hostsfatcat:vqm6d2um6zfmlktlwocx6b3nnu