Tackling BOWS with the sensitivity attack

Andreas Westfeld

doi:10.1117/12.704706

27 February 2007 Tackling BOWS with the sensitivity attack

Andreas Westfeld

Proceedings Volume 6505, Security, Steganography, and Watermarking of Multimedia Contents IX; 65051A (2007) https://doi.org/10.1117/12.704706
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

We present our results in the first BOWS challenge (Break Our Watermarking System). There were three given digital photos containing an invisible watermark that was introduced using informed coding and embedding. The goal was to remove the watermark from the photos while keeping a minimum quality of at least 30 dB PSNR (peak signal to noise ratio). We focus on the method used to win the second phase of the contest with about 58 dB PSNR (18 dB ahead of the best fellow contributions). This method will be viewed from three different perspectives: Phase one and two of the contest as well as with complete knowledge about the implementation and the secret key.

Citation Download Citation

Andreas Westfeld "Tackling BOWS with the sensitivity attack", Proc. SPIE 6505, Security, Steganography, and Watermarking of Multimedia Contents IX, 65051A (27 February 2007); https://doi.org/10.1117/12.704706

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