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قديمي ۱۱-۵-۱۳۸۸, ۰۵:۴۷ بعد از ظهر   #78 (لینک دائم)
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Capacity Increase and Generalization of ±1 Embedding Steganographic Method

In many steganographic systems LSB filliping is used to hide messages in spatial domain. This method, with ease of implementation as its advantage, is a weak approach against statistical attacks. Methods that can avoid statistical attacks offer a small payload capacity. It has been shown that ±1 embedding is much harder to detect than LSB filliping. The ±1 embedding method does not introduce the same asymmetries into the stego image histogram. In this paper we propose a method that increases the capacity of ±1 embedding while maintains the same security level.
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نوع فايل: pdf 24.pdf (433.5 كيلو بايت, 216 نمايش)
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