Image Hiding Using Logistic Map Chaotic Function
الموضوعات :
1 - Department of Computer Engineering, Firoozkooh Branch, Islamic Azad University, Firoozkooh, Iran
الکلمات المفتاحية: Image Hiding, Secret Image, Cover Image, Chaotic Function,
ملخص المقالة :
Steganography is the action of hiding a secret message within another cover message. The secret message and the cover image can be text, image, voice even signal. In this article an image is used as the secret message while the cover message is also a gray level image. This paper proposes a new method of steganography based on logistic chaotic maps. This function is used to determine the position of different bits of the secret image in the covering image. The main advantage of the proposed method is that the pixels of the secret image in the covering image is uniformly distributed, which increases the robustness of the proposed method to common attacks. The robustness and performance of the proposed method against common attacks in the area of steganography including corruption, clipping, and noise is tested. The high PSNR of the proposed method (about 45) expresses the high performance of the proposed method.
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