The normalized compression distance and image distinguishability

@inproceedings{Tran2007TheNC,
  title={The normalized compression distance and image distinguishability},
  author={Nicholas Tran},
  booktitle={Human Vision and Electronic Imaging},
  year={2007}
}
We use an information-theoretic distortion measure called the Normalized Compression Distance (NCD), first proposed by M. Li et al., to determine whether two rectangular gray-scale images are visually distinguishable to a human observer. Image distinguishability is a fundamental constraint on operations carried out by all players in an image watermarking system. The NCD between two binary strings is defined in terms of compressed sizes of the two strings and of their concatenation; it is… CONTINUE READING
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