圖像隱寫分析中游程檢驗(yàn)算法的研究與應(yīng)用
A Study on Run Length Detecting Algorithm for Steganalysis in Images and Its Application
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摘要: 隨著隱寫術(shù)在因特網(wǎng)中的廣泛應(yīng)用，隱寫分析已經(jīng)成為學(xué)術(shù)界研究的熱點(diǎn)之一。本文在深入研究BMP圖像LSB隱寫算法的基礎(chǔ)上，在圖像隱寫分析中提出了游程檢驗(yàn)算法并給出了算法原理和工程實(shí)現(xiàn)。該算法基于盲檢測、不需要訓(xùn)練圖像數(shù)據(jù)庫、在滿足一定的假設(shè)條件下，檢測性能優(yōu)良、算法簡單、易于實(shí)現(xiàn)，具有一定的實(shí)用價值。
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關(guān)鍵詞:
- 隱寫術(shù);隱寫分析;游程;LSB
Abstract: Steganalysis has become a hot topic recently in academia with steganograph widely used in Internet. Based on research results of Least Significant Bit (LSB) steganography in BMP images,this paper describes a run length detecting algorithm and gives the principle and realization of algorithm.The algorithm based blind detection is practical, effective, easily achieved and need not training image database when certain hypothsis conditions are met. -
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