Image/Video coding、image/video processing and image/video quality assessment

3D point cloud compression and processing

Machine learning

Sep.2007 -- Jul. 2014,   Institute of Computing Technology Chinese Academy of Sciences, China, Ph.D., Director: Prof. Wen Gao

Sep.2003 -- Jul. 2007, School of Computer Science and Technology, Hebei University of Technology, Tianjin, China, B.S. 

Jul. 2014 -- Oct.2017, Nanyang Technological University, Singapore, Research Fellow, Supervisor: Prof. Weisi Lin

Nov. 2017 -- Oct. 2018, University of Southern California, USA, Postdoc Fellow, Supervisor: Prof. C.-C. Jay Kuo

Dec. 2018 -- Aug. 2019, City University of Hong Kong, Postdoc Fellow, Supervisor: Prof. Sam Kwong

​Sept. 2019 -- Present, University of Chinese Academy of Sciences, Beijing China, Associate Professor

1. Xinfeng Zhang, Ruiqin Xiong, Xiaopeng Fan, Siwei Ma and Wen Gao, "Compression Artifact Reduction by Overlapped-Block Transform Coefficient Estimation with Block Similarity," IEEE Transactions on Image Processing, vol. 22, no. 12, pp. 4613-4626, 2013.

2. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma, Ge Li and Wen Gao, "Video super-resolution with registration-reliability regulation and adaptive total variation," Journal of Visual Communication and Image Representation, Volume 30, Pages 181-190, July 2015.

3. Xinfeng Zhang, Ruiqin Xiong, Weisi Lin, Siwei Ma, Jiaying Liu and Wen Gao, "Video Compression Artifact Reduction via Spatio-Temporal Multi-Hypothesis Prediction", IEEE Transactions on Image Processing, vol. 24, no. 12, pp. 6048-6061, Dec. 2015.

4. Xinfeng Zhang, Weisi Lin, Ruiqin Xiong, Xianming Liu, Siwei Ma and Wen Gao, "Low-Rank Decomposition-Based Restoration of Compressed Images via Adaptive Noise Estimation," IEEE Transactions on Image Processing, vol. 25, no. 9, pp. 4158-4171, Sept. 2016.

5. Xinfeng Zhang, Shiqi Wang, Ke Gu, Weisi Lin, Siwei Ma and Wen Gao, "Just-Noticeable Difference Based Perceptual Optimization for JPEG Compression," IEEE Signal Processing Letters, vol.24, no.1, pp.96-100, Jan. 2017.

6. Xinfeng Zhang, Shiqi Wang, Yabin Zhang, Weisi Lin, Siwei Ma, Wen Gao, "High-Efficiency Image Coding via Near-Optimal Filtering," IEEE signal processing letters, vol.24, no.9, pp. 1403-1407, Sept. 2017.

7. Xinfeng Zhang, Ruiqin Xiong, Weisi Lin, Jian Zhang, Shiqi Wang, Siwei Ma and Wen Gao, "Low-Rank Based Nonlocal Adaptive Loop Filter for High Efficiency Video Compression" IEEE Transactions on Circuits and Systems for Video Technology, vol.27, no.10, pp.2177-2188, Oct. 2017.

8. Ling-Yu Duan#, Wei Sun#, Xinfeng Zhang#, Shiqi Wang, Jie Chen, Jianxiong Yin, Simon See, Tiejun Huang, Alex C Kot, Gao Wen, "Fast MPEG-CDVS Encoder With GPU-CPU Hybrid Computing," IEEE Transactions on Image Processing, vol.27, no. 5, pp.2201-2216, Jan.2018. (Co-first author) 

9. Xinfeng Zhang, Weisi Lin, Yabin Zhang, Shiqi Wang, Siwei Ma, Lingyu Duan, Wen Gao,"Rate-Distortion Optimized Sparse Coding with Ordered Dictionary for Image Set Compression," IEEE Transactions on Circuits and Systems for Video Technology, vol. 28, no. 12, pp. 3387-3397, Dec. 2018.

10. Xinfeng Zhang, Weisi Lin, Shiqi Wang, Jiaying Liu, Siwei Ma, Wen Gao, "Fine-Grained Quality Assessment for Compressed Images," IEEE Transactions on Image Processing, vol. 28, no. 3, pp. 1163-1175, Mar. 2019.

11. Xinfeng Zhang#, Chao Yang#, Haiqiang Wang, Wei Xu and C.-C. Jay Kuo, "Satisfied-User-Ratio Modeling for Compressed Video," in IEEE Transactions on Image Processing, vol. 29, no. 1, pp. 3777-3789, 2020. (Co-first author) 

12. Xinfeng Zhang, Chao Yang, Xiaoguang Li, Shan Liu, Haitao Yang, Ioannis Katsavounidis, Shaw-Min Lei, and C.-C. Jay Kuo. "Image Coding with Data-Driven Transforms: Methodology, Performance and Potential." IEEE Transactions on Image Processing (2020).

13. Xinfeng Zhang, Sam Kwong and C.-C. Jay Kuo, "Data-Driven Transform Based Compressed Image Quality Assessment," in IEEE Transactions on Circuits and Systems for Video Technology, doi: 10.1109/TCSVT.2020.3041639.

14. Xinfeng Zhang, W. Lin and Q. Huang, "Fine-Grained Image Quality Assessment: A Revisit and Further Thinking," in IEEE Transactions on Circuits and Systems for Video Technology, doi: 10.1109/TCSVT.2021.3096528.

15. Guoqing Xiang#, Xinfeng Zhang#, Xiaofeng Huang, Fan Yang, Chuang Zhu, Huizhu Jia, and Xiaodong Xie, Perceptual Quality Consistency Oriented CTU Level Rate Control for HEVC Intra Coding, (Co-first author) IEEE Transactions on Broadcasting, doi: 10.1109/TBC.2021.3120916.

16. Xinfeng Zhang, Siwei Ma, Yongbing Zhang, Li Zhang and Wen Gao, "Nonlocal Edge-directed Interpolation," in Proceedings of IEEE Pacific-Rim Conference International Conference on Multimedia, PCM, pp. 1197-1207, Bangkok, Thailand, Dec. 2009.

17. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma, Li Zhang and Wen Gao, "Robust Video Super-Resolution with Registration Efficiency Adaptation," in Proceedings of SPIE Conference on Visual Communications and Image Processing, VCIP, pp.774432-1-8, Huangshan, China, Jul. 2010.

18. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma and Wen Gao, "A robust video super-resolution algorithm," in Proceedings of 28th IEEE Picture Coding Symposium, PCS, pp. 574-577, Nagoya, Japan, Dec. 2010.

19. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma and Wen Gao, "A New Image Coding Scheme with Hierarchical Representation and Adaptive Interpolation," in Proceedings of SPIE Conference on Visual Communications and Image Processing, VCIP, TAINAN, TAIWAN, pp. 00078-00081, Nov. 2011.

20. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma and Wen Gao, "Adaptive Loop Filter with Temporal Prediction," in Proceedings of 29th IEEE Picture Coding Symposium, PCS, Poland, pp. 437-440, May 2012.

21. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma and Wen Gao, "Reducing Blocking Artifacts In Compressed Images Via Transform-Domain Non-Local Coefficients Estimation," In Proceedings of IEEE International Conference on Multimedia and Expo, (ICME 2012), Melbourne, Australia, pp.836-841, Jul. 2012.

22. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma and Wen Gao, "Artifact reduction of compressed video via three-dimensional adaptive estimation of transform coefficients," In Proceedings of IEEE International Conference on Image Processing, (ICIP 2014), pp.4567-4571, Oct. 2014.

23. Xinfeng Zhang, Yabin Zhang, Weisi Lin, Siwei Ma and Wen Gao, "An inter-image redundancy measure for image set compression," IEEE International Symposium on Circuits and Systems (ISCAS 2015), pp.1274,1277, 24-27 May 2015.

24. Xinfeng Zhang, Weisi Lin, Siwei Ma, Shiqi Wang and Wen Gao,"Rate-Distortion Based Sparse Coding for Image Set Compression," in Proceedings of IEEE International Conference on Visual Communications and Image Processing, VCIP, Singapore, Dec. 2015.

25. Xinfeng Zhang, Weisi Lin, Jiaying Liu and Siwei Ma,"Compression Noise Estimation and Reduction via Patch Clustering", Asia Pacific Signal and Information Processing Association (APSIPA), Hong Kong, China, Dec. 2015.

26. Xinfeng Zhang, Weisi Lin, Shiqi Wang and Siwei Ma, "Nonlocal Adaptive In-Loop Filter via Content-Dependent Soft-Thresholding for HEVC," IEEE International Symposium on Multimedia (ISM 2015), pp. 465-470, Miami, FL, USA, Dec. 2015.

27. Xinfeng Zhang, Weisi Lin, Ke Gu, Qiaohong Li, Shanshe Wang and Siwei Ma, "Transform-Domain In-Loop Filter with Block Similarity for HEVC," in Proceedings of IEEE International Conference on Visual Communications and Image Processing, VCIP, Chengdu, China, Nov. 2016.

28. Xinfeng Zhang, Sam Kwong and C.-C. Jay Kuo, "Compressed Image Quality Assessment Based on Saak Features," In Proceedings of IEEE International Conference on Image Processing, (ICIP 2019), Taiwan, Sept. 2019.

1. Siwei Ma, Qiang Song, Xinfeng Zhang, Ruiqin Xiong, "An image blurring detection method based on image salient region segmentation," Patent Number: 201410188486.6, Authorization date: 2017/05.~(Authorized patent) 

2. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma, Li Zhang, Mingyuan Yang,"A video image pixel classification method and device," Patent Number: 201110184115.7, Authorization date: 2016/04. \bf{(Authorized patent)

3. Siwei Ma, Xinfeng Zhang, Ruiqin Xiong, Wen Gao, "A colour number determination method and image compression method," Patent Number: 201210455329.8, Authorization date: 2015/10. (Authorized patent)

4. Xinfeng Zhang, Siwei Ma, Mingyuan Yang, "A video image filtering method and device," Patent Number: 201110347691.9, Authorization date: 2015/07. (Authorized  patent)

5. Xinfeng Zhang, Ruiqin Xiong, Siwei Ma, Li Zhang, Mingyuan Yang, "A video encoding and decoding method and device," Patent Number: 201110184355.7, Authorization date: 2015/01. \bf{(Authorized patent)

6. Ruiqin Xiong, Xinfeng Zhang, Siwei Ma, Wen Gao, "Image registration reliability model and super-resolution image reconstruction method," Patent Number: 201110089697.0, Authorization date: 2013/03. \bf{(Authorized patent)

7. Siwei Ma, Li Zhang, Xinfeng Zhang, Wen Gao, "Block-based adaptive video super-resolution processing method and system," Patent Number: 200910241349.3, Authorization date: 2012/04. \bf{(Authorized patent)

8. Siwei Ma, Xinfeng Zhang, Wen Gao, "In-loop filtering method in video encoding and decoding," Patent Number: 201610147472.9, Application date: 2016/03.

9. Siwei Ma, Xinfeng Zhang, Shiqi Wang, "An image coding method," Patent Number: 201510262890.8, Authorization date: 2015/05.%(Authorized patent)

10. Siwei Ma, Xinfeng Zhang, Xiaolong Jiang, Wen Gao, "An adaptive in-loop filtering method and device in video encoding and decoding processing," Patent Number: 201510088867.1, Application data: 2015/02.

11. Siwei Ma, Xiaolong Jiang, Shanshe Wang, Xinfeng Zhang, "A boundary processing method and device for adaptive in-loop filters," Patent Number: 201510080866.2, Application data: 2015/02.

12. Siwei Ma, Xiaolong Jiang, Xinfeng Zhang," An adaptive in-loop filtering method and device," Application Number: 201510052376.1, Application data: 2015/01.

13. Siwei Ma, Qiang Song, Xinfeng Zhang, Ruiqin Xiong, "A template based non-watermark image recognition method," Patent Number: 201410189740.4, Application data: 2014/05. 

14. Xinfeng Zhang, Siwei Ma, Xun Guo, Shawmin Lei, "Multiple low resolution image based high resolution image reconstruction method and device," Patent Number: 201210277030.8, Application data: 2012/08.

15. Siwei Ma, Shiqi Wang, Xinfeng Zhang, "An image transform block coefficient adaptive adjustment method and device," Patent Number: 201310206452.0, Application data: 2013/05.

Best Paper Award for IEEE Multimedia 2018

Best Student Paper Award for International Conference on Image Processing (ICIP)  2018

Best Paper Award for Pacific-Rim Conference on Multimedia 2017

Best Paper Award for Conference on China VR 2017

Outstanding Contribution Award for IEEE-1857 standard