图像视频处理、同态加密和应用、隐私保护、深度学习、数据挖掘
1. 国家自然科学青年科学基金项目，61502547，云计算下的加密域多媒体水印与模式匹配，在研，主持
2. 广东省自然科学基金，2015A030310319，加密域多媒体处理技术的研究及其在隐私保护中的应用，在研，主持
3. 国家973计划项目，2011CB302204，网络海量可视媒体智能处理的理论与方法，结题，主要成员
4. NSFC-广东联合基金，U1135001，网络媒体内容服务安全理论与关键技术，结题，主要成员
担任IEEE Transactions on Circuits and Systems for Video Technology, IEEE Transactions on Information Forensics and Security, IEEE Transactions on Image Processing等国际顶级期刊的审稿人。
操作系统原理，操作原理实验、数据结构、离散数学、信息安全导论、涉密信息系统、保密通信和信息对抗
(1) Peijia Zheng, J. Huang, “Discrete Wavelet Transform and Data Expansion Reduction in Homomorphic Encrypted Domain,” IEEE Transactions on Image Processing, Vol.22(6), pp.2455-2468, 2013.
(2) Jianting Guo, Peijia Zheng, Jiwu Huang: Secure watermarking scheme against watermark attacks in the encrypted domain. J. Visual Communication and Image Representation 30: 125-135 (2015)
(3) Peijia Zheng, J. Huang, “Implementation of the Discrete Wavelet Transform and Multiresolution Analysis in the Encrypted Domain,” in Proc. 19th ACM Int. Conf. Multimedia (MM’11). Scottsdale, AZ: ACM, 2011, pp. 413–422.
(4) Peijia Zheng, J. Huang, “Walsh-Hadamard Transform in the Homomorphic Encrypted Domain and Its Application in Image Watermarking,” in Proc. 14th Information Hiding Conf. Berkeley, CA: Springer, 2012, pp. 240–254.
(5) Peijia Zheng, J. Huang, “An Efficient Image Homomorphic Encryption Scheme with Small Ciphertext Expansion,” in Proc. 21th ACM Int. Conf. Multimedia (MM’13). Barcelona, Catalunya, Spain: ACM, 2013, pp. 803–812.