In the spatial domain image information hiding algorithm

the blind extraction method is regarded as an important step to reach perfect hiding effect.Here a Lorenz-based information hiding algorithm for color images is proposed.The algorithm adopts a blind extraction method combining chaos and information high bit hiding.According to the chaos sequence

secret information is hided in the carried image high bit.The extraction process can be realized without original image.Experimental results indicate that the secret information extracted is integrity and clarity.The algorithm has advantages of large hiding capability(60%)

fast hiding speed(0.425 s)

illegal extraction resistance and good invisibility.