Watermark Rate and the Distortion of Error Diffused Halftones

  title={Watermark Rate and the Distortion of Error Diffused Halftones},
  author={Doron Shaked and Zachi Baharav},
watermarking, digital security, halftone printing, printing security, error diffusion This report analyzes watermark embedding in Error Diffusion halftone images. A distortion measure for halftone modifications is introduced, and an embedding scheme is selected so as to minimize the proposed distortion. Next a statistical model is suggested for “natural-images”, leading to a lower bound on the halftone distortion as a function of watermark rate. Bound realization is argued to be equivalent to… CONTINUE READING
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