In this paper a watermarking scheme based on the Human Visual System (HVS) is presented. A Quantization Index Modulation - Dither Modulation scheme is used in the Discrete Cosine Transform domain for the embedding. The watermark quantization step is selected according to the inter-frequency masking effect computed by using a HVS-inspired objective image quality metric. Experimental results demonstrate the effectiveness and the robustness of the proposed solution. © 2009 IEEE.
QIM-DM watermarking optimization based on inter-frequency contrast masking in the DCT domain
Battisti F.;
2009
Abstract
In this paper a watermarking scheme based on the Human Visual System (HVS) is presented. A Quantization Index Modulation - Dither Modulation scheme is used in the Discrete Cosine Transform domain for the embedding. The watermark quantization step is selected according to the inter-frequency masking effect computed by using a HVS-inspired objective image quality metric. Experimental results demonstrate the effectiveness and the robustness of the proposed solution. © 2009 IEEE.
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