Associate Professor Xin Liu holds a PhD degree in Computer Science and Technology from Chongqing University. She currently works in the School of Computer Science and Technology at Chongqing University of Posts and Telecommunications. Her research interests mainly include Big data analysis and Big data technology applications, as well as Computer Vision.

Published Papers：

1. Xin Liu, Kui Zeng, Feng Chen. A Transformer-Based Action Recognition Model with Multi-Query Token Selection Mechanism [J]. CAAI Transactions on Intelligent Systems, 2026. (Accepted)

2. Liu, Xin, Yapeng Meng, Feng Chen, Dengjian Qiao, and Fan Wu. "GCTGNN: A forecasting method for time series based on graph neural networks and graph clustering." Neurocomputing 626 (2025): 129544.

3. Xin Liu, Yikun Wang, Ying Qian, Su Liu, Yuxin Xie. Safety Helmet Wearing Detection Method Based on Improved YOLOX [J]. Journal of Chongqing University of Posts and Telecommunications (Natural Science Edition), 2025-12-03.

4. Zhu, Hongjun, Yuan, Shun, Liu, Xin, Chen, Kuo, Jia, Chaolong, and Qian, Ying. "CasCIFF: A cross-domain information fusion framework tailored for cascade prediction in social networks." Knowledge-Based Systems 303, (2024): 112391.

5. Liu, Xin, Hongli Du, and Jian Yu. "A forecasting method for non-equal interval time series based on recurrent neural network." Neurocomputing 556 (2023): 126648.

6. Liu, Xin, Jiuluan Lv, Feng Chen, Qingjie Wei, Hangxuan He, and Ying Qian. "Multi-Party Federated Recommendation Based on Semi-Supervised Learning." IEEE Transactions on Big Data 10, no. 4 (2023): 356-370.

7. Liu, Xin, Yichao Ma, and Jian Yu. "Forecasting Method Based on Attenuated LSTM for Time Series With Missing Data." Journal of Grey System 35, no. 3 (2023).

8. Zhu, Hongjun, Li, Yan, Jin, Xuelian, Huang, Jiangping, Liu, Xin, Qian, Ying, and Tan, Jindong. "Transmission dynamics and control methodology of COVID-19: A modeling study." Applied Mathematical Modelling 89, (2021): 1983-1998.

9. Zhu, Hongjun, Li, Yan, Liu, Xin, Yin, Xuehui, Shao, Yanhua, Qian, Ying, and Tan, Jindong. "Camera calibration from very few images based on soft constraint optimization." Journal of the Franklin Institute 357, no. 4(2020): 2561-2584.

10. Zhu, Hongjun, Liu, Xin, Jia, Chaolong, Du, Baisong, Liu, Simeng, and Qian, Ying. "An experimental study on the corrosion amount using a statistical analysis." Corrosion Engineering, Science and Technology 53, no. 1(2018): 26-35.

11. Liu, Xin, Jin Dai, and Weijie Zhou. "Research on Grey Modeling for Multi-stream Information." Journal of Grey System 28, no. 4 (2016).

12.  Liu, Xin, and Jin Dai. "A method of video shot-boundary detection based on grey modeling for histogram sequence." International Journal of Signal Processing, Image Processing and Pattern Recognition 9, no. 4 (2016): 265-280.

13. Liu, Xin, Jin Dai, Yuanyuan Jia, and Rubin Liu. "Caption Region Detection in Video Images by Improved Corner Detector." International Journal of Signal Processing, Image Processing and Pattern Recognition 7, no. 4 (2014): 409-420.

14. Xin Liu, Xiaoqian Wu. Safety Helmet Wearing Detection Method Based on Lightweight YOLOv4 [J]. Journal of Chongqing University of Posts and Telecommunications: Natural Science Edition, 2023, 35(4): 671–679. DOI: 10.3979/j.issn.1673-825X.202205310133

15. Xin Liu, Hongli Du, Daozhou Wen. House Price Prediction Method Based on Graph Neural Networks and LSTM [J]. Computer Applications and Research, 2023, 40(11): 3282–3288. DOI: 10.19734/j.issn.1001-3695.2023.03.0104

16. Liu, Xin, Yihan Wang, Xue Chen, and Feng Chen. "An improved YOLOv5 multi-scale object detection method." In 2023 2nd International Conference on Artificial Intelligence, Human-Computer Interaction and Robotics (AIHCIR), pp. 50-55. IEEE, 2023.

17. Liu, Xin, Jianping Ma, Dengjian Qiao, and Chunhua Lian. "A Click-through Rate Prediction Method Based on Interaction Features Extraction for High  dimensional Sparse Data." In 2023 10th International Conference on Dependable Systems and Their Applications (DSA), pp. 347-355. IEEE, 2023.

18. Liu, Xin, Chen Zhang, and Hongjun Zhu. "Video Shot-Boundary Detection based on Matrix sequence Grey model." In 2017 5th International Conference on Frontiers of Manufacturing Science and Measuring Technology (FMSMT 2017), pp. 1484-1489. Atlantis Press, 2017.

19. Liu, Xin, Chen Zhang, and ShunChao Nie. "A Method for Detecting Face Pigment Regions Based on Improved LBF." In 2019 IEEE 4th International Conference on Cloud Computing and Big Data Analysis (ICCCBDA), pp. 433-437. IEEE, 2019.

20. Shi, Meifeng, He, Zhongshi, Chen, Ziyu, and Liu, Xin. "A full variate Gaussian model-based RM-MEDA without clustering process." International Journal of Machine Learning and Cybernetics 9, no. 10(2018): 1591-1608.

21. Jin, Dai, Feng, Hu, and Xin, Liu. "Research on Grey Incidence Measurement Method Based on Dynamic Time Warping Distance." Journal of Grey System 27, no. 1(2015): 117-126.

22. Jin, Dai, Feng, Hu, and Xin, Liu. "Novel rapid grey incidence analysis method based on data distribution." Journal of Jilin University (Engineering and Technology Edition) 45, no. 1(2015): 283-290.

23. Jin, Dai, and Xin, Liu. "Approach for Text Classification Based on the Similarity Measurement between Normal Cloud Models." The Scientific World Journal 2014, (2014): 784392.

24. Jin, Dai, Xin, Liu, and Feng, Hu. "Reduction algorithm for decision table combined with grey relational analysis." International Journal of Signal Processing, Image Processing and Pattern Recognition 7, no. 3(2014): 193-201.

25. Dai, Jin, Liu, Xin, and Hu, Feng. "Research and Application for Grey Relational Analysis in Multigranularity Based on Normality Grey Number." The Scientific World Journal 2014, (2014): 312645.

26. Xin, Liu, Tian Yufang, He Zhongshi, and Deng Julong. "An Improved Partial Grey Model." Journal of Grey System 24, no. 3 (2012).

27. Xin, Liu, He Zhongshi, and Chen Haizhu. "Partial Grey Model and It's Diagonal Transformation." Journal of Grey System 23, no. 3 (2011).

28. Liu, X., Z. He, and Y. Tian. "A diagonal transformation grey model based on matrix series." Journal of Computational Information Systems 7, no. 14 (2011): 5177-5184.

29. He, Zhongshi, Xin Liu, and Yinong Chen. "Secondary-diagonal mean transformation partial grey model based on matrix series." Simulation Modelling Practice and Theory 26 (2012): 168-184.

30. Shi, Meifeng, He, Zhongshi, Liu, Xin, and Huang, Meiyan. "A distance weight object tracking method based on combining mean shift and GM(1,1)." International Journal of Digital Content Technology and Its Applications 6, no. 1(2012): 318-325.

31. Xin Liu, Ying Huang. Research on the Curriculum System and Talent Training Mode of Digital Media for Software Engineering [J]. Modern Education: Electronic Edition, 2016(28): 3. DOI: CNKI:SUN:JYXD.0.2016-28-003

32. Xin Liu, Ying Huang, Ming Zhong, et al. Design and Application of Flipped Classroom Teaching Model for Digital Media Design and Development Course [J]. Computer Education, 2020, 000(006): 95–98, 102

Published Books:

1. Xin Liu, Linghui Liu, Hongjun Zhu. Fundamentals of Digital Media Technology [M]. Beijing: People’s Posts and Telecommunications Press, 2021.

Awards:

1. Third Prize of Chongqing Science and Technology Progress Award, 2018 (Second Author)

2. Third Prize of Teaching Achievement Award, Chongqing University of Posts and Telecommunications, 2021 (Second Author)

Chinese Patents:

1. Xin Liu, Hongli Du, Ying Qian, Meilan Jiang, Yapeng Meng, Kui Zeng, Feng Chen. A System for Disease Risk Prediction Based on Non-Equidistant Physical Examination Data.

2. Xin Liu, Ying Qian, Feng Chen, Meilan Jiang, Hongli Du, Shijie Chen, Hongjun Zhu, Ning Zhou. Intelligent Method for Recognizing Work Content of Barbershop Employees.

3. Xin Liu, Yichao Ma, Ying Qian, Hongjun Zhu, Hongli Du, Daozhou Wen. Integrated Air Quality Prediction Method Based on Temporal Missing Data Awareness and Multi-Source Factor Fusion.

4. Xin Liu, Hongyu Chen, Ying Qian, Qingjie Wei, Shuang Jin, Junyu Zheng, Su Liu, Jinzhou Liang. Multi-Party, Multi-Class Data Generation Method and System for Vertical Federated Learning.

5. Xin Liu, Jianping Ma, Xue Chen, Meilan Jiang, Bangrui Wan, Peng Song, Yang Song, Juan Liu. Commercial Information Assessment Method and System for High-Dimensional Data.

6. Xin Liu, Xiaoqian Wu, Ying Qian, Cailing Zhang, Bo Chen. Lightweight YOLOv4-Based Safety Helmet Detection Method and Device for Construction Sites.

7. Xin Liu, Bo Chen, Ying Qian, Meilan Jiang, Yiming Zhao, Xiaoqian Wu. Real-Time Multi-Person Action Recognition Method and System in Complex Scenes.

8. Xin Liu, Yiming Zhao, Ying Qian, Feng Chen, Kui Zeng, Yapeng Meng, Meilan Jiang. Pedestrian Re-Identification Method, Device, and Computer Equipment Based on Transformer Network Model.

9. Feng Chen, Hangxuan He, Ying Qian, Xue Chen, Jiuluan Lv, Xin Liu, Qingjie Wei, Wei Xiong. Multi-Party Semi-Supervised Learning Method for Recommending Potential Financial Product Users.

10. Ying Qian, Junyu Zheng, Xin Liu, Bangrui Wan, Fan Wu, Sen Lin, Zhizhong Wu, Su Liu. Behavior Transfer Learning Recognition Method for Small Sample Scenarios.

11. Qingjie Wei, Zengwei Wu, Xin Liu, Shiwang Zhao. Structural Evaluation Method for Process Models with Non-Free Choice Structures.

12. Ying Qian, Jinzhou Liang, Bangrui Wan, Xin Liu, Feng Chen, Su Liu, Meilan Jiang, Xinyi Wang. Hairdressing Service Content Recognition Method Based on Behavior Activity Graph.

13. Qingjie Wei, Siyu Zhu, Xin Liu, Feng Chen, Bangrui Wan, Meilan Jiang, Yikun Wang, Yang Song. Speech Service Content Recognition Method Based on Behavior Text Processing.

14. Ying Qian, Haoxun Mo, Xin Liu, Feng Chen, Yang Song, Wei Xiong, Xue Chen, Shili Yang. Commercial Information Recommendation Method and Device Based on Multi-Party High-Dimensional Data Vertical Federated Learning.

15. Ying Qian, Shijie Chen, Shili Yang, Xue Chen, Xin Liu, Liling Ke, Wei Xiong. Speaker Recognition Method and Device Based on Deep Residual Network and Attention Mechanism.

16. Qingjie Wei, Li Li, Xin Liu, Ying Qian, Chenyang Zhao, Zengwei Wu. Loan Risk Assessment Method Based on Multi-Source Data Federated Learning.

17. Ying Qian, Zhenlong Liu, Xin Liu, Qingjie Wei, Chunsheng An, Meilan Jiang. Credit Classification Method Based on Multi-Party Data Sets.

18. Ying Qian, Xupeng Shi, Xin Liu, Meilan Jiang. Character Element Detection Method in Natural Scene Images.

Participated Projects:

1. Research and Application of Intelligent Monitoring and Evaluation Technology for Housing Provident Fund Service Quality, Chongqing Municipal Construction Science and Technology Program.

2. R&D of Big Data Intelligent Management Software and Multi-Scenario Applications for Integrated Livelihood Services in Sichuan-Chongqing, Key R&D Project in Regional Innovation Cooperation, Sichuan Provincial Science and Technology Program.

3. Intelligent Software Development and Application for Collaborative Chengdu-Chongqing Government Services, Key R&D Support Project, Chengdu Municipal Government.

4. Research on Real-Time Video Tracking Technology Based on Multi-Stream Data Grey Modeling, Chongqing Municipal Education Commission Science and Technology Project.

5. Development and Application of an Intelligent Decision Support Platform for Expanding Housing Provident Fund Coverage Based on Enterprise Radar, Science and Technology Demonstration Project, Ministry of Housing and Urban-Rural Development of China.