（1）国家自然科学基金项目、融合多模态学习的视频中深度伪造人脸取证技术研究、2022/01-2025/12、68万、主持。
（2）国家重点研发计划课题、基于大数据贝叶斯方法的伪造视频人像量化检验关键技术研究、2021/12-2024/11、340万，主持。
（3）国家自然科学基金面上项目、基于算子的鲁棒的信号自适应分解算法研究及其应用、2016/01-2019/12、68万、主持。
（4）国家重点研发计划子课题、伪造图像分析检测与检验关键技术研究、2018/07-2021/06、106万、主持。
（5）国家自然科学基金青年基金、混沌信号的自适应分解算法研究及其应用、2013/01-2015/12、24万，主持。
（6）国家高技术研究发展计划（863计划）子课题、面向视频侦查的视频内容可辨识度实时增强技术研究、2013/01-2015/12、120万、第二完成人（已获得公安部成果认定，本单位排名第一）。
（7）国家重点研发计划课题、基于视频的动态生物特征识别与目标对象鉴定关键技术研究、2017/07-2020/06、751万、课题联系人（课题副组长）。
发表论文60余篇，均为SCI/EI检索，代表性论文如下：
[1] Yuan Wang, Kun Yu, Chen Chen, Xiyuan Hu*, Silong Peng. “Dynamic Graph Learning with Content-guided Spatial-Frequency Relation Reasoning for Deepfake Detection”, IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2023. （CCF-A）
[2] Zhenfeng Fan, Xiyuan Hu*, Chen Chen, Silong Peng. “A Landmark-free Approach for Automatic, Dense and Robust Correspondence of 3D Faces”, Pattern Recognition, 2023. （中科院1区）
[3] Yichao Zhou, Zhisen Hu, Zuxing Xuan, Yangang Wang, Xiyuan Hu*, “Synchronizing Detection and Removal of Smoke in Endoscopic Images With Cyclic Consistency Adversarial Nets”, IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2023.（CCF-B）
[4] Zhihui Li, Yao Liu, Xiyuan Hu*, Guiqiang Wang. “A new uniform framework of source attribution in forensic science”. Nature: Humanit Soc Sci Commun vol.9, 260, 2022. （Nature子刊）
[5] Xiyuan Hu*, Jingpeng Sun*, Jingping Dong and Xuyun Zhang, "Auditory Receptive Field Net based Automatic Snore Detection for Wearable Devices," IEEE Journal of Biomedical and Health Informatics, 2022. （中科院1区）
[6] Qiwei Xie, Xiyuan Hu*, Lei Ren, et al., "A Binocular Vision Application in IoT: Realtime Trustworthy Road Condition Detection System in Passable Area," IEEE Transactions on Industrial Informatics, 2022. doi: 10.1109/TII.2022.3145858.（中科院1区）
[7] Min Cao, Cong Ding, Chen Chen*, Hao Dou, Xiyuan Hu and Junchi Yan, "Progressive Context-aware Graph Feature Learning for Target Re-identification," IEEE Transactions on Multimedia, 2022.（中科院1区）
[8] Xiyuan Hu, Silong Peng, Baokui Guo, Pengcheng Xu, “Accurate AM-FM Signal Demodulation and Separation using Nonparametric Regularization Method”, Signal Processing, vol.186, pp.108131, 2021.（中科院2区）
[9] Xiyuan Hu, Zhenfeng Fan, Xu Jia, et al., “Towards effective learning for face super-resolution with shape and pose perturbations”, Knowledge-based Systems, vol.220:106938, 2021.（中科院1区）
[10] MH Rahman, HK Rana, S Peng, X Hu, C Chen, JMW Quinn, MA Moni "Bioinformatics and machine learning methodologies to identify the effects of central nervous system disorders on glioblastoma progression" in Briefings in Bioinformatics vol. 22 (5):bbaa365, 2021.（中科院1区）
[11] Min Cao, Chen Chen*, Hao Dou, Xiyuan Hu, Silong Peng. “Progressive Bilateral-Context Driven Model for Post-Processing Person Re-Identification”, IEEE Transactions on Multimedia, vol.23, pp.1239-1251, 2020. （中科院1区）
[12] Hao Dou, Chen Chen, Xiyuan Hu*, et al., “PCA-SRGAN: Incremental Orthogonal Projection Discrimination for Face Super-resolution”, in ACM Multimedia Conference (ACM MM), 2020. （CCF-A）
[13] Zhenfeng Fan, Xiyuan Hu*, Silong Peng, Chen Chen, "Boosting Local Shape Matching for Dense 3D Face Correspondence", IEEE Conference on Computer Vision and Pattern Recognition (CVPR), pp.10936-10946, 2019.（CCF-A）
[14] Min Cao, Chen Chen*, Xiyuan Hu, Silong Peng. "Towards fast and kernelized orthogonal discriminant analysis on person re-identification" in Pattern Recognition, vol.94, pp.218-229, 2019.（中科院1区）
[15] Zhenfeng Fan, Xiyuan Hu*, Silong Peng, Chen Chen, "Dense Semantic and Topological Correspondence of 3D Face without Landmarks", 15th European Conference on Computer Vision (ECCV), pp.541-558, 2018. （CCF-B）
[16] Baokui Guo, Silong Peng, Xiyuan Hu*, Pengcheng Xu. "Complex-valued differential operator-based method for multi-component signal separation", Signal Processing, vol.132: 66-76, 2017.（中科院2区）
[17] Xiyuan Hu, Silong Peng, Wen-Liang Hwang, "Adaptive Integral Operators for Signal Separation," IEEE Signal Processing Letters, vol.22(9):1383-1387, 2015.（中科院2区）
[18] Xiyuan Hu, Silong Peng, Wen-Liang Hwang, "Multicomponent AM-FM Signal Separation and Demodulation with Null Space Pursuit," Signal, Image and Video Processing, vol.7(6):1093-1102, 2013. （中科院3区）
[19] Xiyuan Hu, Silong Peng, Wen-Liang Hwang, "EMD Revisited: A New Understanding of the Envelope and Resolving the Mode-Mixing Problem in AM-FM Signals," IEEE Transactions on Signal Processing, vol.60(3):1075-1086, 2012.（中科院1区）
[20] Xiyuan Hu, Silong Peng, Wen-Liang Hwang. "An integral operator based adaptive signal separation approach", International Conference on Acoustic, Speech and Signal Processing (ICASSP), 2012.（CCF-B）