Efficient Steganographic Embedding by Exploiting Modification Direction
IEEE Communications Letters2006Vol. 10(11), pp. 781–783
Citations Over TimeTop 1% of 2006 papers
Abstract
A novel method of steganographic embedding in digital images is described, in which each secret digit in a (2n+1)-ary notational system is carried by n cover pixels and, at most, only one pixel is increased or decreased by 1. In other words, the (2n+1) different ways of modification to the cover pixels correspond to (2n+1) possible values of a secret digit. Because the directions of' modification are fully exploited, the proposed method provides high embedding efficiency that is better than previous techniques
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