1. Gang Cao, Yao Zhao, Rongrong Ni, Xuelong Li, “Contrast Enhancement Based Forensics in Digital Images”, IEEE Transactions on Information Forensics and Security, vol.9, no.3, March 2014, pp.515-525. (SCI)
2. Bo Ou, Xiaolong Li, Yao Zhao, Rongrong Ni, Yun-Qing Shi, “Pairwise prediction-error expansion for efficient reversible data hiding”, IEEE Transactions on Image Processing, Vol. 22, No. 12, Dec. 2013, pp.5010-5021. (SCI)
3. Huawei Tian, Yao Zhao, Rongrong Ni, Lunming Qin,and Xuelong Li, “LDFT-based Watermarking Resilient to Local Desynchronization Attacks”, accepted by IEEE Transactions on Cybernetics, Vol. 43, No. 6, Dec. 2013, pp.2190-2201. (SCI)
4. Yao Zhao, Rongrong Ni, Zhenfeng Zhu, “RST transforms resistant image watermarking based on centroid and sector-shaped partition”, Science in China Series F-Information Sciences, vol.55, no.3, Mar. 2012, pp. 650-662. (SCI)
5. Gang Cao, Yao Zhao, Rongrong Ni, Alex C. Kot, “Unsharp Masking Sharpening Detection via Overshoot Artifacts Analysis”, IEEE Signal Processing Letters, Volume 18, Issue 10, 2011, pp.603-606. (SCI)
6. Gang Cao, Yao Zhao, Rongrong Ni, “Forensic Identification of Resampling Operators: A Semi Non-intrusive Approach”, Forensic Science International, Vol. 216, No.1-3, pp. 29-36, 2012 (SCI)
7. Gang Cao, Yao Zhao, Rongrong Ni, “Tampering Attacks on Binary Phase Only Filter-Based Watermarking Schemes for Image Authentication”, Optical Engineering, Vol. 50(5), May 2011, 057004-1~057004-10. (SCI)
8. Rongrong Ni, Qiuqi Ruan, and H. D. Cheng, “Secure semi-blind watermarking based on iteration mapping and image features”, Pattern Recognition, Vol. 38, No. 3, March 2005, pp. 357-368. (SCI)
9. Rongrong Ni, Qiuqi Ruan, and Yao Zhao, “Pinpoint authentication watermarking based on a chaotic system”, Forensic Science International, Volume 179, July 2008, Pages 54-62 (SCI)
10. Rongrong Ni, Qiuqi Ruan, “Neighbor-Aided Authentication Watermarking Based on A Chaotic System with Feedback”, IEICE Transactions on Information and Systems, Vol.E91-D, No.8, Aug. 2008, pp.2196-2198. (SCI)