Sharing and hiding secret images with size constraint

@article{Wu2004SharingAH,
  title={Sharing and hiding secret images with size constraint},
  author={Yu-Shan Wu and Chih-Ching Thien and Ja-Chen Lin},
  journal={Pattern Recognition},
  year={2004},
  volume={37},
  pages={1377-1385}
}
This paper presents a method for sharing and hiding secret images. The method is modi/ed from the (t; n) threshold scheme. (Comput.Graph. 26(5)(2002)765) The given secret image is shared and n shadow images are thus generated. Each shadow image is hidden in an ordinary image so as not to attract an attacker’s attention. Any t of the n hidden shadows can be used to recover the secret image. The size of each stego image (in which a shadow image is hidden) is about 1=t of that of the secret image… CONTINUE READING
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