Design of DWT Module
Journal Title: International Journal of Interdisciplinary and Multidisciplinary Studies (IJIMS) - Year 2014, Vol 2, Issue 1
Abstract
Due to the advancements in information and communication technologies, the electronic transfer of formal documents such as business deals, etc is inevitable. Therefore a DWT based authentication method is proposed in this paper. The formal text document is watermarked by embedding the fingerprint image of the authenticated personnel. DWT is being widely considered in watermarking applications because of its efficient multi-resolution in frequency domain. The lifting based 2D-DWT with two levels of computation is implemented. The 2D-DWT can be implemented by performing 1D DWT row-wise and column wise. Hence with the help of DWT filters both document and the fingerprint image are compressed and it’s divided into sub-bands and the fingerprint is watermarked in the document. The complete system is implemented on FPGA.
Authors and Affiliations
Prabha S
Keywords
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