Hiding secret data in images via predictive coding

  title={Hiding secret data in images via predictive coding},
  author={Yuan-Hui Yu and Chin-Chen Chang and Yu-Chen Hu},
  journal={Pattern Recognition},
This paper presents a prediction-based image-hiding scheme that embeds secret data into compression codes during image compression. This scheme employs a two-stage structure: a prediction stage and an entropy coding stage. The secret data is embedded into the difference values of a given image after the prediction stage is performed. According to the experimental results, the image quality is better than Jpeg–Jsteg and its improved scheme (Inform. Sci. 141 (1–2) (2002) 123). The average image… CONTINUE READING
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