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A digital watermarking algorithm based on Logistic mapping and arnold scrambling

Zhongkui Lei

Open publisher page 2 citations

Abstract

A digital watermarking algorithm based on logistic mapping and arnold scrambling is proposed.It uses the arnold transformation to scramb the original watermark image.And then make the block DCT transformation of the image is made.The logistic map is used to control the embedded position of the watermarking information,the watermarking information is embeded to the middle frequency of the image,then the image with watermarking information is gotten by block inverse DCT transformation.Experimental results show that the algorithm not only have good masrk,but also have good robustness to frequently watermarking attacks.

About this research paper

What this paper is about

A digital watermarking algorithm based on logistic mapping and arnold scrambling is proposed.It uses the arnold transformation to scramb the original watermark image.And then make the block DCT transformation of the image is made.The logistic map is used to control the embedded position of the watermarking information,the watermarking information is embeded to the middle frequency of the image,then the image with watermarking information is gotten by block inverse DCT transformation.Experimental results show that the algorithm not only have good masrk,but also have good robustness to frequently watermarking attacks.

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Available abstract

A digital watermarking algorithm based on logistic mapping and arnold scrambling is proposed.It uses the arnold transformation to scramb the original watermark image.And then make the block DCT transformation of the image is made.The logistic map is used to control the embedded position of the watermarking information,the watermarking information is embeded to the middle frequency of the image,then the image with watermarking information is gotten by block inverse DCT transformation.Experimental results show that the algorithm not only have good masrk,but also have good robustness to frequently watermarking attacks.

Key concepts: Digital watermarking, Scrambling, Watermark, Discrete cosine transform, Logistic map, Robustness (evolution), Transformation (genetics), Block (permutation group theory)

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