名称：吴小天
职称：副研究员
研究方向：信息安全、多媒体信息隐藏、秘密分享、视觉密码
电邮：wxiaotian@jnu.edu.cn
联系方式：南海楼420


教育背景
2008-2013 中山大学，信息科学与技术学院，博士研究生
2004-2008 中山大学，软件学院，本科


工作经历
2017-至今，暨南大学，信息科学技术学院/网络空间安全学院，副研究员
2017-2017，Auckland University of Technology，访问****
2016-2017，暨南大学，信息科学技术学院/网络空间安全学院，讲师
2014-2016，中山大学，电子与信息工程学院，博士后


讲授课程
本科生课程：计算机专业英语、IT专业英语、安全协议分析与设计
研究生课程：安全协议分析与设计、算法理论及应用


招生意向
招收熟悉多媒体信号处理、信息隐藏、密码学等领域知识的本科生、硕士生。


科研成果
国家自然科学基金-面上项目，**，秘密图像分存的关键技术研究及其在加密域可逆信息隐藏的应用，2020/01-2023/12，在研，主持。
广东省自然科学基金面上项目，2020A，非单调阈值视觉密码的研究及其应用，2019/10-2022/09，在研，主持。
国家自然科学基金-青年基金项目，**，云环境下加密域可逆信息隐藏的新方法研究，2017/01-2019/12，已结题，主持。
广州市科学（技术）研究专项一般项目，9，同态加密域可逆信息隐藏在云计算中的研究，2017/05-2020/04，已结题，主持。
信息安全国家重点实验室开放课题， 2017-MS-20，秘密图像分存的同态性研究及其应用，2017/01-2018/12，已结题，主持。
江苏省网络监控工程中心开放课题，KJR1534，加密媒体信号处理的方法研究，2014/07-2017/06，在研，主持。
中国博士后科学基金-特别资助项目，2015T80933，云计算平台下的加密媒体信号处理的关键技术研究，2015/06-2016/04，已结题，主持。
中国博士后科学基金-面上资助项目，2014M552269，面向云计算的加密媒体信号处理方法研究，2014/05-2016/04，已结题，主持。


研究论文
Selected Publications
[28] Xiaotian Wu, Ching-Nung Yang, High Capacity Partial Reversible Data Hiding by Hamming Code [J], Multimedia tools and Applications, 2020, doi: 10.1007/s11042-020-09098-9.
[27] Xiaotian Wu, Ching-Nung Yang, Yi-Yun Yang, Sharing and hiding a secret image in color palette images with authentication [J], Multimedia tools and Applications, 2020, doi: 10.1007/s11042-020-09253-2.
[26] Xiaotian Wu, Ching-Nung Yang, Yen-Wei Liu, A General Framework for Partial Reversible Data Hiding using Hamming Code [J], Signal Processing, 2020: 107657.
[25] Xiaotian Wu, Ching-Nung Yang, Probabilistic color visual cryptography schemes for black and white secret images [J], Journal of Visual Communication and Image Representation, 2020: 102793.
[24] Xiaotian Wu, Ching-Nung Yang, Yi-Yun Yang, A hybrid scheme for enhancing recovered image quality in polynomial based secret image sharing by modify-and-recalculate strategy [J], Journal of Information Security and Applications, 2020, 51: 102452.
[23] Xiaotian Wu, Ching-Nung Yang, Invertible secret image sharing with steganography and authentication for AMBTC compressed images [J], Signal Processing: Image Communication, 2019, 78: 437-447
[22] Xiaotian Wu, Ching-Nung Yang, Partial reversible AMBTC-based secret image sharing with steganography [J]. Digital Signal Processing,2019, 93: 22-33
[21] Xiaotian Wu, Zhao-Rong Lai, Random grid based color visual cryptography scheme for black and white secret images with general access structures [J], Signal Processing: Image Communication 2019, 75: 100-110
[20] Xiaotian Wu, Ching-Nung Yang, A combination of color black and white visual cryptography and polynomial based secret image sharing [J]. Journal of Visual Communication and Image Representation, 2019, 61: 74-84
[19] Xiaotian Wu, Dong Chen, Ching-Nung Yang, Yi-Yun Yang, A (k, n) threshold partial reversible AMBTC-based visual cryptography using one reference image [J]. Journal of Visual Communication and Image Representation, 2019, 59: 550-562
[18] Xiaotian Wu, Ching-Nung Yang, Yi Ting Zhuang, Shen-Chieh Hsu:Improving recovered image quality in secret image sharing by simple modular arithmetic [J]. Signal Processing: Image Communication, 2018,66: 42-49.
[17] Xiaotian Wu, Jian Weng and WeiQi Yan, Adopting Secret Sharing for Reversible Data Hiding in Encrypted Images[J]. Signal Processing, 2018, 143: 269-281.
[16] Ching-Nung Yang, Xiaotian Wu*(通讯作者), Yung-Chien Chou, Zhangjie Fu, Constructions of General (k, n) Reversible AMBTC-based Visual Cryptography with Two Decryption Options, Journal of Visual Communication and Image Representation, 2017, 48: 182-194.
[15] Xiaotian Wu, Bing Chen, Jian Weng, Reversible data hiding for encrypted signals by homomorphic encryption and signal energy transfer[J]. Journal of Visual Communication and Image Representation, 2016, 41: 58-64
[14]Xiaotian Wu, Wei Sun, Extended Capabilities for XOR-Based Visual Cryptography [J].IEEE Transactions on Information Forensics and Security, 2014, 9(10): 1592-1605.
[13]Xiaotian Wu, Wei Sun, Generalized Random Grid and Its Applications in Visual Cryptography [J].IEEE Transactions on Information Forensics and Security, 2013, 8 (9): 1541-1553.
[12]Xiaotian Wu, Wei Sun, Robust Copyright Protection Scheme for Digital Images using Overlapping DCT and SVD [J].Applied Soft Computing, 2013, 13(2):1170-1182.
[11]Xiaotian Wu, Wei Sun, Improved Tagged Visual Cryptography by Random Grids [J].Signal Processing, 2014, 97: 64-82.
[10]Xiaotian Wu, Wei Sun, Improving the Visual Quality of Random Grid-based Visual Secret Sharing [J].Signal Processing, 2013, 93(5): 977-995.
[9]Xiaotian Wu, Wei Sun, High-capacity Reversible Data Hiding in Encrypted Images by Prediction Error [J].Signal Processing, 2014, 104: 387-400.
[8]Xiaotian Wu, Tong Liu, Wei Sun, Improving the Visual Quality of Random Grid-based Visual Secret Sharing via Error Diffusion [J].Journal of Visual Communication and Image Representation, 2013, 24 (5): 552-566.
[7]Xiaotian Wu, Wei Sun, Random Grid-based Visual Secret Sharing with Abilities of OR and XOR Decryptions [J].Journal of Visual Communication and Image Representation, 2013, 24(1): 48-62.
[6]Xiaotian Wu, Wei Sun, Secret Image Sharing Scheme with Authentication and Remedy Abilities based on Cellular Automata and Discrete Wavelet Transform [J].Journal of Systems and Software, 2013, 86(4):1068-1088.
[5]Xiaotian Wu, Duanhao Ou, Qiming Liang, Wei Sun, A User-Friendly Secret Image Sharing Scheme with Reversible Steganography based on Cellular Automata [J].Journal of Systems and Software, 2012, 85(8):1852-1863.
[4]Xiaotian Wu, Wei Sun, Random Grid-based Visual Secret Sharing for General Access Structures with Cheat-Preventing Ability [J].Journal of Systems and Software, 2012, 85(5):1119-1134.
[3]Xiaotian Wu, Wei Sun, Visual Secret Sharing for General Access Structures by Random Grids [J].IET Information Security, 2012, 6(4):299-309.
[2]Xiaotian Wu, Duanhao Ou, Juan Liu, Wei Sun, Data Hiding in Halftone Images with Homogeneous Distribution of Embedding Positions [J]. Optical Engineering, 2012, 51(3):037005.
[1]Xiaotian Wu, Duanhao Ou, Lu Dai, Wei Sun, XOR-Based Meaningful Visual Secret Sharing by Generalized Random Grid [C]. //Proc the 1st ACM Workshop on Information Hiding and Multimedia Security, Montpellier: ACM, 2013, pp. 181-190.