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Wang, Jian, Healy, Ron and Timoney, Joseph (2009) Digital Audio Watermarking by Magnitude Modification of Frequency Components Using the CSPE Algorithm. In: Proceedings of the China-Ireland Information and Communications Technologies Conference CIICT 2009, 18th-21st August 2009, National University of Ireland Maynooth.
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Abstract
In this paper we describe a process whereby the magnitude of either one or two frequency components of a signal is modified in order that it may be used to encode a hidden message within a signal in such a way as the casual observer would have no way of noticing the presence of a hidden message. Previous work has used filtering and signal addition to achieve the same goals. The current work improves on this by using a recent super-resolution component-identification technique to isolate the components to modify, limiting the impact on the quality of the signal.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Keywords: | Signal processing; Digital audio watermarking; Data hiding; Steganography; CIICT 2009. |
| Academic Unit: | Faculty of Science and Engineering > Computer Science |
| Item ID: | 1635 |
| Depositing User: | Ron Healy |
| Date Deposited: | 04 Nov 2009 11:11 |
| Refereed: | Yes |
| Related URLs: | |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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