Non-uniform quantizer design for image data hiding. - Ning Liu 009; Koduvayur P. Subbalakshmi (ICIP, 2004)

Vector-quantization-based scheme for data embedding for images. - Ning Liu 009; Koduvayur P. Subbalakshmi (Security, Steganography, and Watermarking of Multimedia Contents, 2004)

Statistically Secure Digital Image Data Hiding. - Palak K. Amin; Ning Liu 009; K. P. Subbalakshmi (MMSP, 2005)

Secure Quantization Based Data Embedding. - Ning Liu 009; Palak K. Amin; K. P. Subbalakshmi (MMSP, 2005)

TCQ-based quantizer design for data hiding in images. - Ning Liu 009; Koduvayur P. Subbalakshmi (Security, Steganography, and Watermarking of Multimedia Contents, 2005)

Worst Case Attack on Quantization Based Data Hiding. - Ning Liu 009; K. P. Subbalakshmi (ISM, 2006)

Statistical Attack Resilient Data Hiding. - Palak K. Amin; Ning Liu 009; Koduvayur P. Subbalakshmi (Int. J. Netw. Secur., 2007)

Security and Robustness Enhancement for Image Data Hiding. - Ning Liu 009; Palak K. Amin; K. P. Subbalakshmi (IEEE Trans. Multim., 2007)