1. A new multimodal biometric system using tripled chaotic watermarking approach;Chin;International symposium on Information Technology (ITSim 2008).,2008
2. Sasi S, Tamhane K, Rajappa MB. Multimodal biometric digital watermarking on immigrant visas for homeland security. In Proc. SPIE 2004.
3. Katzenbeisser S, Petitcolas FAP. Information hiding techniques for Steganography and Digital Watermarking. Artech House, 2002.
4. Spatial Method for Watermarking of Fingerprint Images. In Proc. First International Workshop on Pattern Recognition in Information Systems;Uludag;Portugal,2001
5. Hiding biometric data;Jain;IEEE Trans. Pattern Anal. Machine Intel.,2003