A DWT-based color image steganography scheme

A novel text cryptosystem is proposed. The secret information is hidden into a publicly accessed color image by a quantization-based strategy, so the transportation of the secret information will not attract the attention of illegal eavesdropper. With our approach, the secret information is embedded in the wavelet domain of every chrominance component, so the hiding capacity is larger than the similar steganography software. The embedded sequence can be reliably extracted without resorting to the original image. Simulation results show that the proposed method is robust against commonly used image processing techniques.

[1]  Ingemar J. Cox,et al.  Secure spread spectrum watermarking for images, audio and video , 1996, Proceedings of 3rd IEEE International Conference on Image Processing.

[2]  John D. Villasenor,et al.  Visibility of wavelet quantization noise , 1997, IEEE Transactions on Image Processing.

[3]  Thierry Pun,et al.  Secure Copyright Protection Techniques for Digital Images , 1998, Information Hiding.

[4]  Wenjun Zeng,et al.  Image-adaptive watermarking using visual models , 1998, IEEE J. Sel. Areas Commun..

[5]  Mauro Barni,et al.  DWT-based technique for spatio-frequency masking of digital signatures , 1999, Electronic Imaging.

[6]  Stephan Katzenbeisser,et al.  Information Hiding Techniques for Steganography and Digital Watermaking , 1999 .