Digital watermarking using two-dimensional FM waveforms

Yimin Zhang; Behzad Mohammadi Dogahe; Bijan Mobasseri; Moeness G. Amin

doi:10.1117/12.558187

26 October 2004 Digital watermarking using two-dimensional FM waveforms

Yimin Zhang, Behzad Mohammadi Dogahe, Bijan Mobasseri, Moeness G. Amin

Proceedings Volume 5559, Advanced Signal Processing Algorithms, Architectures, and Implementations XIV; (2004) https://doi.org/10.1117/12.558187
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

In this paper, we propose two-dimensional (2-D) frequency modulated (FM) signals for digital watermarking. The hidden information is embedded into an image using the binary phase information of a 2-D FM prototype. The original image is properly partitioned into several blocks. In each block, a 2-D FM watermark waveform is used and the watermark information is embedded using the binary phase. The parameters of the FM watermark are selected in order to achieve low bit error rate (BER) detection of the watermark. Detailed study of performance analysis and parameter optimizations is performed for 2-D chirp signals as an example of 2-D FM waveforms. Experimental results compare the proposed methods and support their effectiveness.

Citation Download Citation

Yimin Zhang, Behzad Mohammadi Dogahe, Bijan Mobasseri, and Moeness G. Amin "Digital watermarking using two-dimensional FM waveforms", Proc. SPIE 5559, Advanced Signal Processing Algorithms, Architectures, and Implementations XIV, (26 October 2004); https://doi.org/10.1117/12.558187

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