A comment on "Sharing secrets in stegoimages with authentication". - Ching-Nung Yang; Chuei-Bang Ciou (Pattern Recognit., 2009)

Image secret sharing method with two-decoding-options: Lossless recovery and previewing capability. - Ching-Nung Yang; Chuei-Bang Ciou (Image Vis. Comput., 2010)