51Âþ»­

Xin Lu received the B.Sc. and M.Sc. degrees from Harbin Institute of Technology, Harbin, China, in 2008 and 2010, respectively, and the PhD degree in computer science from the University of Warwick, Coventry, U.K., in 2013. His PhD thesis was awarded the Warwick Faculty of Science Prize for the Best PhD Thesis in Computer Science in 2014. 

He is currently an Associate Professor with the School of Computer Science and Informatics at 51Âþ»­ (51Âþ»­) in Leicester, UK. Before joining 51Âþ»­, he was a Lecturer (Assistant Professor) at the School of Electronics and Information Engineering, Harbin Institute of Technology (HIT) in China. 

He is an expert in image/video processing and computer vision. In particular, his current research interests include video coding standards, data compression, deep learning, convolutional neural network, multimedia coding and transmission, and pattern recognition. 

He was selected for the Future Research Leaders (FRLs) programme at 51Âþ»­ and received the Best Future Research Leader award of 2023. He serves as a member of the IST/37 committee on “Coding of picture, audio, multimedia and hypermedia information” of the British Standard Institute (BSI), and is acting as UK Delegate for ISO/IEC JTC1/SC29 (a.k.a MPEG & JPEG). 

He has published more than 40 peer-reviewed research papers. His research activities have been supported by the Royal Society, the China National Natural Science Foundation, the Chinese Ministry of Education, Heilongjiang Provincial Natural Science Foundation of China, Harbin Science and Technology Bureau, and 51Âþ»­ ‘Living in a Digital Society Spotlight’ funding, etc.

Institute of Artificial Intelligence (IAI)

Cyber Technology Institute (CTI)

[Journal Article]

C. Sun, H. Yuan, X. Mao, X. Lu, R. Hamzaoui, “Enhancing octree-based context models for point cloud geometry compression with attention-based child node number prediction“, IEEE Signal Processing Letters, DOI:10.1109/LSP.2024.3426918

H. Yuan, R. Hamzaoui, F. Neri, S. Yang, X. Lu, L. Zhu, Y. Zhang, “Optimized quantizationparameter selection for video-based point cloud compression“, Frontiers in Signal Processing, DOI: 10.3389/frsip.2024.1385287

D. Wang, J. Yu, X. Lu, F. Dufaux, B. Hang, H. Guo, C. Zhu, “Fast Mode and CU Splitting Decisionfor Intra Prediction in VVC SCC“, IEEE Transactions on Broadcasting, DOI: 10.1109/TBC.2024.3394288

C. Sun, H. Yuan, S. Li, X. Lu, R. Hamzaoui, “Enhancing context models for point cloud geometry compression with contextfeature residuals and multi-loss“, IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol. 14, no. 2, pp. 224-234, June 2024, DOI: 10.1109/JETCAS.2024.3367729.

Y. Huang, J. Yu, D. Wang, X. Lu, F. Dufaux, H. Guo, C. Zhu, “Learning-based fast splitting anddirectional mode decision for VVC intra prediction“, IEEE Transactions on Broadcasting, vol. 70, no. 2, pp. 681-692, June 2024, DOI: 10.1109/TBC.2024.3360729.

X. Mao, H. Yuan, X. Lu, R. Hamzaoui, W. Gao, “PCAC-GAN: a sparse-tensor-based generativeadversarial network for 3D point cloud attribute compression”, accepted for publication in Computational Visual Media (JCR-Q1).

X. Zhou, P. Li, Y. Zhang, X. Lu, Y. Hu, “Deep low-rank and sparse patch-image network forinfrared dim and small target detection“, IEEE Transactions on Geoscience and Remote Sensing,vol. 61, pp. 1-14, Jun. 2023, DOI: 10.1109/TGRS.2023.3288574.

D. Wang, X. Lu, Y. Sun, Q. Wang, W. Li, F. Dufaux, C. Zhu, “A probability-based zero-blockearly termination algorithm for SHVC”, IEEE Transactions on Broadcasting, vol. 69, no. 02, pp. 469-481, Jun. 2023, DOI: 10.1109/TBC.2023.3262110.

D. Wang, Y. Sun, W. Li, L. Xie, X. Lu, F. Dufaux, C. Zhu, “Hybrid strategies for efficient intraprediction in spatial SHVC”, IEEE Transactions on Broadcasting, vol. 69, no. 02, pp. 455-468, Jun. 2023, DOI: 10.1109/TBC.2022.3222997.

D. Wang, Y. Sun, J. Liu, F. Dufaux, X. Lu, B. Hang, “Probability-based fast intra prediction algorithm for spatial SHVC”, IEEE Transactions on Broadcasting, vol. 68, no. 01, pp. 83-96, Mar. 2022, DOI: 10.1109/TBC.2021.3126277.

X. Lu, C. Yu, G. Martin, “Fast intra- and inter-coding algorithms for the spatially scalable extension of H.265/HEVC”, Multimedia Tools and Applications, Jul. 2020, DOI: 10.1007/s11042-020-09085-0.

S. Shi, X. Lu, Y. Ma, S. Ren, “Output reachable set estimation for discrete-time switched systems with persistent dwell-time”, Journal of the Franklin Institute, vol. 356, no. 6, pp. 3644-3660, Feb. 2019, DOI: 10.1016/j.jfranklin.2018.11.041.

X. Lu, C. Yu, G. Martin, “Efficient early termination and bypass scheme for CU size decision in spatially scalable SHVC intra coding”, IET Electronics Letters, vol. 54, no. 22, pp. 1274-1276, Nov. 2018, DOI: 10.1049/el.2018.5451.

X. Lu, C. Yu, X. Jin, “A fast HEVC intra-coding algorithm based on texture homogeneity and spatio-temporal correlation”, EURASIP Journal on Advances in Signal Processing, vol. 37, pp. 1-14, Jun. 2018, DOI: 10.1186/s13634-018-0558-4.

H. Ren, X. Lu , “Design and implementation of the alarm system based on AVR microcontroller”, Electronic Design Engineering, vol. 26, no. 11, pp. 179-182, Jun. 2018, DOI: 10.3969/j.issn.1674-6236.2018.11.039. 

X. Lu, G. Martin, “Improved macroblock level rate control for the spatially scalable extension of H.264/AVC”, Journal of Visual Communication and Image Representation, vol. 48, no. 10, pp. 205-223, Oct. 2017, DOI: 10.1016/j.jvcir.2017.05.014.

Z. Zhao, X. Sun, X. Jin, H. Sun, X. Lu, “Gait recognition based on multiple image silhouette feature combination”, Journal of Harbin Institute of Technology, vol. 48, no. 4, pp. 182-188, Apr. 2016, DOI:10.11918/j.issn.0367-6234.2016.04.031.

X. Lu, M. Lin, X. Jin, N. Xiao, “The new generation of scalable video coding standard: background, features, techniques and applications”, Experts Forum in Journal of Electronic Measurement and Instrument, vol. 29, no. 10, pp. 1415-1423, Oct. 2015, DOI:10.13382/j.jemi.2015.10.001.

X. Lu, X. Jin, “Evaluation and performance comparison between JPEG2000 and SVC”, International Journal of Signal Processing, Image Processing and Pattern Recognition, vol. 8, no. 5, pp. 133-144, May 2014, DOI: 10.14257/ijsip.2015.8.5.14.

X. Lu, X. Jin, “Performance comparison between DWT-based and DCT-based encoders”, Advanced Science and Technology Letters, vol. 75, pp. 83-87, 2014, DOI:10.14257/astl.2014.75.19. 

X. Lu, G. Martin, “Fast mode decision algorithm for the H.264/AVC scalable video coding extension”, IEEE Transactions on Circuits and Systems for Video Technology, vol. 23, no. 5, pp. 846-855, May 2013, DOI: 10.1109/TCSVT.2012.2226525. 

X. Lu, G. Martin, “Fast H.264/SVC inter-frame and inter-layer mode decisions based on motion activity”, IET Electronics Letters, vol. 48, no. 2, pp. 84-86, Jan. 2012, DOI: 10.1049/el.2011.3106. 

X. Lu, M. Lin, X. Jin, H. Chen, “An adaptive fast video encoding/decoding scheme based on mutual information”, Journal of Chongqing University of Posts and Telecommunications (Nature Science Edition), vol. 22, no. 1, pp. 84-88, Feb. 2010, DOI:10.3979/j.issn.1673-825X.2010.01.019. 

P. Wang, X. Jin, Z. Zhao, Z. Ji, X. Lu, “Multiple description coding based on coefficients splitting of discrete wavelet”, Journal of Harbin University of Commerce (Nature Sciences Edition), vol. 25, no. 5, pp. 553-555+569, 2009, DOI: 10.3969/j.issn.1672-0946.2009.05.013.

Z. Ji, L. Zhang, X. Lu, Z. Zhao, Z. Liu, “Study on embedded zero-tree coding algorithm based on combination of context and coefficient partition”, Journal of Harbin University of Commerce (Nature Sciences Edition), vol. 25, no. 5, pp. 562-565, 2009, DOI: 10.3969/j.issn.1672-0946.2009.05.011. 

[Conference Papers] 

D. Wang, J. Yu, X. Lu, F. Dufaux, H. Guo, C. Zhu, “Fast coding mode prediction for intra predictionin VVC SCC”, to be appeared in Proc. IEEE International Conference on Image Processing (ICIP), Oct. 2024, Abu Dhabi, UAE.

M. Golarits, Z. Rozsa, R. Hamzaoui, T. Allidina, X. Lu, T. Sziranyi, “Evaluating the impact ofpoint cloud downsampling on the robustness of Lidar-based object detection”, to be appearedin Proc. Hungarian Conference on Computer Graphics and Geometry, April. 2024, Budapest,Hungary. ISBN: 978-963-421-948-4

D. Wang, Y. Deng, W. Li, X. Lu, F. Dufaux, B. Hang, C. Zhu, “Fast intra mode prediction algorithmsfor SCBs in VVC SCC”, to be appeared in Proc. IEEE International Conference onAcoustics, Speech, and Signal Processing (ICASSP), April. 2024, Seoul, Korea

D. Wang, X. Lu, F. Dufaux, Q. Wang, W. Li, Y. Sun, C. Zhu, “A probability-based all-zero blockearly termination algorithm for  SHVC”, to be appeared in Proc. IEEE International Conference on  Image Processing (ICIP), Oct. 2023, Kuala Lumpur, Malaysia.

D. Wang, X. Lu, F. Dufaux, Q. Wang, W. Li, Y. Sun, C. Zhu, “Fast learning-based split typeprediction algorithm for VVC”, to be  appeared in Proc. IEEE International Conference on Image Processing (ICIP), Oct. 2023, Kuala Lumpur, Malaysia.

D. Wang, Y. Sun, W. Li, L. Xie, X. Lu, F. Dufaux, C. Zhu “A novel mode selection-based fast intra prediction algorithm for spatial SHVC”, in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2023), Jun. 2023, Rhodes Island, Greece. 

D. Wang, X. Wang, Y. Sun, W. Li, X. Lu, F. Dufaux, “Gaussian distribution-based mode selection for intra prediction of spatial SHVC”, in Proc. IEEE International Conference on Image Processing (ICIP), Oct. 2022, Bordeaux, France.

Y. Zhao, N. Zhang, X. Lu, Y. Yuan, Y. Shen, “Cross-correlation full waveform inversion for sound speed reconstruction in ultrasound computed tomography”, in Proc. IEEE Engineering in Medicine and Biology Conference (EMBC), Jul. 2022, Glasgow, UK.

Y. Zhao, Y. Lu, X. Lu, J. Jin, L. Tao, Y. Shen, “Biopsy needle segmentation using deep networks on inhomogeneous ultrasound images”, in Proc. IEEE Engineering in Medicine and Biology Conference (EMBC), Jul. 2022, Glasgow, UK. 

M. Zhang, Y. Chen, X. Lu, H. Chen, Y. Zhang, “Fast coding unit partition decision for intra prediction in versatile video coding”, in Proc. International Conference on Image and Graphics (ICIG), Aug. 2021, Haikou, China.

X. Lu, B. Zhou, X. Jin, G. Martin, “A Rate Control Scheme for HEVC Intra Coding Using Convolution Neural Network (CNN)”, in Proc. Data Compression Conference (DCC), Mar. 2020, Snowbird, USA.

X. Lu, C. Yu, G. Martin, “Fast encoding algorithms for SHVC intra/inter coding”, in Proc. Data Compression Conference (DCC), Mar. 2019, Snowbird, USA.

X. Lu, C. Yu, Y. Gu, G. Martin, “A fast intra coding algorithm for spatial scalability in SHVC”, in Proc. IEEE International Conference on Image Processing (ICIP), Oct. 2018, Athens, Greece.

X. Lu, C. Yu, X. Jin, Y. Gu, “Fast mode decision of inter prediction for enhancement layer in SHVC”, in Proc. International Conference in Communications, Signal Processing, and Systems (CSPS), Jul. 2018, Dalian, China.

X. Lu, B. Zhou, X. Jin, Y. Gu, “Improved bit allocation using distortion for the CTU level rate control in HEVC”, in Proc. International Conference in Communications, Signal Processing, and Systems (CSPS), Jul. 2018, Dalian, China.

C. Yu, X. Lu, S. Li, Y. Hu, “Fast CU size decision of intra prediction for enhancement layers in SHVC”, in Proc. International Conference in Communications, Signal Processing, and Systems (CSPS), Jul. 2017, Harbin, China.

X. Lu, N. Xiao, G. Martin, Y. Hu, X. Jin, “Fast intra coding implementation for High Efficiency Video Coding (HEVC)”, in Proc. Data Compression Conference (DCC), Apr. 2017, Snowbird, USA.

X. Lu, N. Xiao, Y. Hu, G. Martin, Z. Wu, “A hierarchical fast coding unit depth decision algorithm for HEVC intra coding”, in Proc. IEEE International Conference on Visual Communications and Image Processing (VCIP), Nov. 2016, Chengdu, China.

Y. Hu, X. Lu, M. Jacob, “Multiple Degree Total Variation (MDTV) regularization for image restoration”, in Proc. IEEE International Conference on Image Processing (ICIP), Sep. 2016, Phoenix, USA.

X. Lu, N. Xiao, Y. Hu, Z. Wu, G. Martin, “Fast mode decision for HEVC intra coding with efficient mode skipping and improved RMD”, in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Sep. 2016, Montreal, Canada.

B. Gao, L. He, X. Lu, C. Chang, K. Li, “Developing energy-aware task allocation schemes in cloud-assisted mobile workflows”, in Proc. IEEE International Conference on Ubiquitous Computing and Communications (IUCC), Oct. 2015, Liverpool, UK.

X. Lu, G. Martin, “An improved rate control algorithm for SVC with optimised MAD prediction”, in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Sep. 2014, Jakarta, Indonesia.

X. Lu, G. Martin, “Performance comparison of the SVC, WSVC, and Motion JPEG2000 advanced scalable video coding schemes”, in Proc. IET Intelligent Signal Processing Conference (ISP), Dec. 2013, London, UK.

X. Lu, “An improved rate control algorithm for SVC with optimised MAD prediction”, in Proc. York Doctoral Symposium on Computer Science (YDS), Oct. 2013, York, UK.

X. Lu, G. Martin, “Improved rate control algorithm for scalable video coding”, in Proc. Imperial College Computing Student Workshop (ICCSW), Sep. 2013, London, UK.

X. Lu, G. Martin, “Fast implementation of the scalable video coding extension of the H.264/AVC standard”, in Proc. Imperial College Computing Student Workshop (ICCSW), Sep. 2013, London, UK.

X. Lu, G. Martin, “Rate control for scalable video coding with rate-distortion analysis of prediction modes”, in Proc. IEEE International Workshop on Multimedia Signal Processing (MMSP), Sep. 2013, Sardinia, Italy.

X. Lu, G. Martin, “A hierarchical mode decision scheme for fast implementation of spatially scalable video coding”, in Proc. IEEE International Conference on Visual Communications and Image Processing (VCIP), Nov. 2012, San Diego, USA.

X. Lu, M. Lin, X. Jin, Z. Zhao, S. Yang, “An adaptive motion estimation algorithm based on mutual information for depth information estimation”, in Proc. IEEE International Conference on Information Networking and Automation (ICINA), Oct. 2010, Kunming, China.

X. Jin, Z. Zhao, X. Lu, M. Lin, “Error propagation model for 5/3-based motion compensated temporal filtering”, in Proc. IEEE International Conference on Signal Processing (ICSP), Oct. 2010, Beijing, China.

[Feature Article] 

The objective is to develop a computational complexity reduction scheme specifically designedfor SHVC intra-coding, IET Electronics Letters, vol. 54, no. 22, Nov. 2018

[Editorial Article]

Editorial: [Security, Governance, and Challenges of the New Generation ofCyber-Physical-Social Systems], Frontiers in Physics, no. 12, 2024, DOI: 10.3389/fphy.2024.1464919

 

Video Coding Standards

Data Compression

Deep Learning

Convolutional Neural Network

Multimedia Coding and Transmission

Pattern Recognition

Computer Programming

Signal Processing

CTEC1301 Computer Programming I (Apprenticeship, FHEQ level 4, module leader)

CTEC1302 Computer Programming II (Apprenticeship, FHEQ level 4, module leader) 

CTEC1703 Computer Programming (BSc, FHEQ level 4)

CTEC1906 Computer Systems (BSc, FHEQ level 4)

CTEC3904 Functional Software Development (BSc, FHEQ level 6) 

CTEC5126 Internet of Things (MSc, FHEQ level 7) 

CTEC5722 Critical Systems (MSc, FHEQ level 7) 

CTEC5726 Modern Programming Techniques (MSc, FHEQ level 7) 

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Video Signal Processing (BSc, module leader) at Department of Information Engineering, HIT, China

Advanced Programming Based on a Windows Interface (BSc, module leader) at Department of Information Engineering, HIT, China

Optical and Infrared Remote Sensing (BSc) at Department of Information Engineering, HIT, China

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Invited Lecturer, CS403 Multimedia Processing, Communications and Storage (MSc, FHEQ level 7) at Department of Computer Science, University of Warwick, UK

Teaching Assistant, CS403 Multimedia processing, communications and storage (MSc, FHEQ level 7) at Department of Computer Science, University of Warwick, UK

Best future research leader of 2023

Awarded by 51Âþ»­, UK

Sep. 2023

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Future research leaders

Awarded by 51Âþ»­, UK

Sep. 2022

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Excellent full-time/part-time educator

Awarded by HIT

Dec. 2015

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Warwick best PhD thesis

Faculty of science doctoral thesis award (Computer Science) 

Awarded by University of Warwick, UK

Jun. 2014

EPSRC Peer Review College member

The Institute of Electrical and Electronics Engineers (IEEE) member 

The Chinese Institute of Electronics (CIE) member

Teachers Qualification in HEI of China

[Principle Investigator]

Theory and technology for 3D point cloud coding, £11,885.00 + ¥100,000.00, Funded by the Royal Society, UK and the National Natural Science Foundation (NSFC), China, 03/2023 – 03/2025

Highly efficient 3D LiDAR point cloud compression for autonomous driving, £3,000.00, Funded by Living in a Digital Society ResearchFunding, 51Âþ»­, UK

Effective encoding schemes for volumetric video data, £4,000.00, Funded by 51Âþ»­ Spotlight Funding, 51Âþ»­, UK, 01/2023 – 12/2023

Research on key technologies of the new generation of scalable video coding standard (SHVC), ¥250,000.00, Funded by National Natural Science Foundation (NSFC), China, 01/2015 – 12/2017

Research on the low-complexity coding techniques for the new generation of scalable video coding standard, ¥50,000.00, Funded by Ministry of Education, and Ministry of Finance, China, 03/2015 – 02/2017

[Primary Member]

Real-time simplification of LiDAR point clouds for object detection, £11,688.00, Funded by the Royal Society, UK

Multimodal hyperspectral remote sensing image processing, ¥2,300,000.00, Funded by NSFC, China, 01/2018 – 12/2022

Fast four-dimensional magnetic resonance imaging with high spatio-temporal resolution, ¥630,000.00, Funded by NSFC, China, 01/2019 – 12/2022

Research on compressed sensing theory-based fast magnetic resonance imaging, ¥60,000.00, Funded by Heilongjiang Provincial Natural Science Foundation of China, 07/2016 – 07/2019

Research on multi-view video panoramic coding technologies, ¥40,000.00, Funded by Harbin Science and Technology Bureau, Harbin, China, 01/2015 – 12/2016

(1) A fast coding method for SVC

X. Lu, Y. Hu, X. Jin, N. Xiao, J. Guo

China Patent No. ZL201510137002.x

30th Jan. 2018

(2) A macroblock level rate control method for SVC

X. Lu, Y. Hu, X. Jin, N. Xiao, J. Guo

China Patent No. ZL201510191391.4

8th Dec. 2017

(3) A rate control method for SVC with rate distortion analysis of prediction modes

X. Lu, X. Jin, Y. Hu, N. Xiao, J. Guo

China Patent No. ZL201510191379.3

3rd Nov. 2017

Doctor of Philosophy (PhD) 

Winner of the Warwick Faculty of Science Prize for the Best PhD Thesis in Computer Science

Supervisor: Prof. Graham Martin

External Examiner: Prof. Mohammed Ghanbari (IEEE Life Fellow)

Computer Science, University of Warwick, UK, 10/2010 – 11/2013

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Master of Science (MSc)

Supervisor: Prof. Maoliu Lin

Information and Communication Engineering

Harbin Institute of Technology, China, 09/2008 – 07/2010

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Bachelor of Engineering (BEng) 

Supervisor: Prof. Maoliu Lin

Electronic Information Engineering

Harbin Institute of Technology, China,  09/2004 – 07/2008

I am looking for highly self-motivated PhD students and welcome research visitors for collaboration. Please drop me an email if you are interested.

[Conference Committee]

ACM International Conference on Multimedia 03/2022

TPC member of the International Workshop on Advances in Point Cloud Compression Processing and Analysis

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IEEE Workshop on Software Engineering for Smart Systems 06/2022

TPC member

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International Conference on Images, Signals, and Computing 04/2023

Publicity Co-Chair and TPC member

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IEEE International Workshop on Software Engineering for Smart Systems 06/2022– Present

PC member

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[Refereeing for Journals]

IEEE Trans. CSVT

IEEE Trans. Multimedia

IEEE Trans. Image Processing

IEEE Trans. Broadcasting

IEEE Access

IET Image Processing 

IET Signal Processing

IET Electronics Letters, etc.

British Standards Institute (BSI) 

Committee member of IST/37“Coding of picture, audio, multimedia and hypermedia information”

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International Organisation for Standardization (ISO)/IEC

UK Delegate of ISO/IEC JTC1/SC29 (a.k.a MPEG & JPEG)

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PhD External Examiner

H. Wu, “Optimizing GAN for Generating High Quality Samples”, University of Warwick, UK

I. Ojji (2nd supervisor) 06/2024 – Present

Faculty of Computing, Engineering and Media, 51Âþ»­, UK

L. Qian (2nd supervisor) 10/2022 – Present

Faculty of Computing, Engineering and Media, 51Âþ»­, UK

Y. Gou (2nd supervisor) 12/2013 – 10/2015

Department of Information Engineering, Harbin Institute of Technology, China