Book Chapter

  1. Alex WH Choy, Daniel PK Lun, “Deep learning based structural health monitoring framework with Electromechanical Impedance Method”, Transactions on Engineering Technologies, edited by Sio-Iong Ao, Haeng Kon Kim, Oscar Castillo, Alan Hoi-shou Chan, and Hideki Katagiri, pp13–24. Singapore: Springer Singapore
  2. D.P.K. Lun and B. Budianto, “Non-Contact Three-Dimensional Measurement Using the Learning Approach,” Learning Approaches in Signal Processing, Pan Stanford Publishing Pte. Ltd., pp.329 – 378, 2018.

Journal Papers 

  1. Yuk-Hee Chan, Zi-Xin Xu and Pak-Kong Lun, “A Framework of Reversible Color-to-grayscale Conversion with Watermarking Feature,” IEEE Transactions on Image Processing (Accepted).
  2. Q. Ye, B.W.K. Ling, D.P.K. Lun and W. Kuang, “Parallel implementation of empirical mode decomposition for nearly bandlimited signals via polyphase representation,” Signal, Image and Video Processing, August 2019,
  3. Tingtian Li and Daniel P.K. Lun, “Single-Image Reflection Removal via a Two-Stage Background Recovery Process,” IEEE Signal Processing Letters, Vol.26, No.8, pp.1237-1241, August 2019.
  4. Tingtian Li, Daniel P.K. Lun, Y.H. Chan and Budianto, “Robust Reflection Removal Based on Light Field Imaging,” IEEE Transactions on Image Processing, Vol.28, No.4, pp.1798-1812, April 2019.
  5. Budianto, Daniel P.K. Lun and Y.H. Chan, “Robust Single-shot Fringe Projection Profilometry Based on Morphological Component Analysis,” IEEE Transactions on Image Processing, Vol.27, No.11, pp.5393-5405, November 2018.
  6. Z.X. Xu, Y.H. Chan and D.P.K. Lun, “High-quality octa-level fringe pattern generation for improving the noise characteristics of measured depth maps”, Optics and Lasers in Engineering Vol. 98, pp. 99-106, November, 2017.
  7. T.W. Shen and Daniel P.K. Lun, “A Speech Enhancement Method Based on Sparse Reconstruction on Log-Spectra”, HKIE Transactions, Vol.24, Issue 1, pp.24-34, January 2017.
  8. X. Zhang, Bingo W.K. Ling, Daniel P.K. Lun and Qingyun Dai, “Image Retrieval Based on Discrete Fractional Fourier Transform Via Fisher Discriminant”, Circuits Systems and Signal Processing, Vol. 36, No. 5, pp.2012-30, May 2017.
  9. Budianto and Daniel Pak-Kong Lun, “Robust Fringe Projection Profilometryvia Sparse Representation”, IEEE Transactions on Image Processing, Vol.25, No.4, pp.1726-1739, April 2016.
  10. Budianto and Daniel Pak-Kong Lun, “Inpainting for Fringe Projection Profilometry Based on Geometrically Guided Iterative Regularization”, IEEE Transactions on Image Processing, Vol.24, No.12, pp.5531-5542, December 2015.
  11. B. Budianto, Daniel Pak-Kong Lun and Tai-Chiu Hsung, “Marker encoded fringe projection profilometry for efficient 3D model acquisition”, Applied Optics, Vol. 53, Issue 31, pp. 7442-7453, November 2014.
  12. G.W. Ou, Daniel Pak-Kong Lun and Bingo W.K. Ling, “Compressive sensing of images based on discrete periodic Radon transform”, Electronics Letters, Vol. 50, No. 8, pp. 591-593, April 2014.
  13. Daniel P.K. Lun, Tak-Wai Shen and K.C. Ho, “A novel expectation-maximization framework for speech enhancement in non-stationary noise environments”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 22, Issue 2, pp.335-346, Feb 2014. 
  14. William Wai-Lam Ng and Daniel Pak-Kong Lun, “Effective bias removal for fringe projection profilometry using the dual-tree complex wavelet transform”, Applied Optics, Vol. 51, Issue 24, pp.5909-5916, August 2012.
  15. Daniel Pak-Kong Lun, Tak-Wai Shen,Tai-Chiu Hsung and Dominic K.C. Ho, “Wavelet Based Speech Presence Probability Estimator for Speech Enhancement”, Digital Signal Processing, Vol.22, Issue 6, pp.1161-1173, December 2012.
  16. Wing-Yee Lo, Daniel Pak-Kong Lun, Wan-Chi Siu, Wendong Wang, and Jiqiang Song, “Improved SIMD Architecture for High Performance Video Processors”, IEEE Transactions on Circuits and Systems for Video Technology,Vol.11, Issue 12, pp.1769-1783, Dec 2011.
  17. Tai-Chiu Hsung, Daniel Pak-Kong Lun and William W.L. Ng, “Efficient Fringe Image Enhancement Based on Dual-Tree Complex Wavelet Transform”, Applied Optics, Vol. 50, Issue 21, pp.3973-86, July 2011.
  18. Tai-Chiu Hsung, Daniel P.K. Lun and W.C. Siu, “Reply to “Comments on ‘The Discrete Periodic Radon Transform””, IEEE Transactions on Signal Processing, Vol.58, Issue 11, pp.5963-5964, Nov 2010.
  19. Y. Li, L. Vicente, K. C. Ho, C. Kwan, Daniel P. K. Lun and Y. H. Leung, “A study of partially adaptive concentric ring array,” Int. Journal Circuits, Systems, Signal Processing, Vol.27, pp. 733-748, July 2008.
  20. Tai-Chiu Hsung, Daniel Pak-Kong Lun and K.C. Ho, “Generalized Discrete Multiwavelet Transform With Embedded Orthogonal Symmetric Prefilter Bank”, IEEE Transactions on Signal Processing, Vol.55, Issue 12, pp.5619-5629, Dec 2007.
  21. W.K. Cheuk and Daniel P.K. Lun, “Throughput optimization for video streaming proxy servers based on video staging”, Multimedia Tools and Applications, Vol.35, No.3, pp.311-333, Dec 2007.
  22. Y.H. Shum, T.C. Hsung and D.P.K. Lun, “Novel VQ Codebook Initialization for Discrete Multiwavelet Transform”, Electronics Letters, Vol.43, Issue.22, Oct 2007.
  23. C.R Shyu, J.M. Gree, D.P.K. Lun, T. Kazic, M. Schaeffer, E. Coe, “Image Analysis for Mapping Immeasurable Phenotypes in Maize [Life Sciences]”, IEEE Signal Processing Magazine, Vol.24,  Issue 3, pp.116 – 119,  May 2007.
  24. Tai-Chiu Hsung, Daniel Pak-Kong Lun and K.C. Ho, “Orthogonal symmetric prefilter banks for discrete multiwavelet transforms”, IEEE Signal Processing Letters, Vol. 13, No. 3, pp.145-148, 2006. 
  25. W.K. Cheuk, T.C. Hsung, and Daniel P.K. Lun, “Design and Implementation of Contractual Based Real-time Scheduler for Multimedia Streaming Proxy Server”, Multimedia Tools and Applications, Vol.28, pp.69-88, 2006.
  26. K.H. Ho, W.K. Cheuk, and Daniel P.K. Lun, “Content-based scalable H.263 video coding for road traffic monitoring”, IEEE Transactions on Multimedia, Vol.7, Issue 4, pp.615-623, Aug 2005.
  27. T.C. Hsung, Daniel P.K. Lun and K.C. Ho, “Optimizing the Multiwavelet Shrinkage Denoising”, IEEE Transactions on Signal Processing, Vol.53, Issue 1, pp.240-251, Jan 2005.
  28. Tai-Chiu Hsung and Daniel Pak-Kong Lun, “General Cross Validation for Multiwavelet Shrinkage”, IEEE Signal Processing Letters, Vol.11, Issue 6, pp.549-552, June 2004.
  29. Daniel P.K. Lun, Tommy C.L. Chan, T.C. Hsung, David D. Feng, and Y.H. Chan, “Efficient Image Restoration Using Discrete Periodic Radon Transform”, IEEE Transactions on Image Processing,  Vol.13, Issue 2, pp.188-200, Feb 2004.
  30. K.W. Tse, W.K. Lam and P.K. Lun, “Reservation Aware Operating System for Grid Economy”, ACM Operating Systems Review, Vol.37, No.3, pp.36-42, July 2003.
  31. Daniel P.K. Lun, T.C. Hsung and T.W. Shen, “Orthogonal Discrete Periodic Radon Transform: Theory and Realization”, Signal Processing, Vol.83, Issue 5, pp.941-955, May 2003.
  32. Daniel P.K. Lun, T.C. Hsung and T.W. Shen, “Orthogonal Discrete Periodic Radon Transform: Applications”, Signal Processing, Vol.83, Issue 5, pp.957-971, May 2003.
  33. T.C. Hsung and Daniel P.K. Lun, “Optimal thresholds for multiwavelet shrinkage”, IEE Electronics Letters, Vol.39, Issue 5, pp.473-474, March 6, 2003.
  34. T.C. Hsung, M.C. Sun and Daniel P.K. Lun, “Symmetric Prefilters for Multiwavelets”, IEE Proceedings – Vision, Image and Signal Processing, Vol.150, Issue 1, pp.59-68, Feb 2003.  
  35. Tommy C.L. Chan and Daniel Pak-Kong Lun, “Adaptive Thresholding for Noisy MPEG-4 Still Texture Image Coding”, IEEE Transactions on Image Processing, Vol.12, No.5, pp.500-508, May 2003.   
  36. T.C. Hsung and Daniel P.K. Lun, “Boundary filters design for multiwavelets”, IEE Proceedings – Vision, Image and Signal Processing, Vol.149, Issue 5, pp.315-320, Oct 2002.    
  37. X. Yu, W.G. Wan, L.Ma, N. Wang, Daniel P.K. Lun, “A 2.4kbps real-time speech coding based on sinusoidal representation and auditory model”, Journal of Signal Processing, Vol.17, pp.219-223, 2001. (in Chinese).  
  38. Lap-Pui Chau, Daniel Pak-Kong Lun and Wan-Chi Siu, “Efficient Prime Factor Algorithm and Address Generation Techniques for the Discrete Cosine Transform”, IEEE Transactions on Circuit and Systems Part II, Vol.48, No.10, pp.985-987, October 2001.  
  39. Tai-Chiu Hsung and Daniel P.K. Lun, “New Sampling Scheme for Region-of-interest Tomography”, IEEE Transactions on Signal Processing, Vol.48, No.4, pp.1154-1163, April 2000. 
  40. C.H. Lau, D. Feng, (B. Hutton), D.Lun and W.C. Siu, “Techniques for Image Reconstruction and Kinetic Modelling From the Rotating Camera Systems”, IEEE Transactions on Medical Imaging, Vol.17, No.6, pp.986-994, December 1998. 
  41. Tai-Chiu Hsung, Daniel P.K. Lun and Wan-Chi Siu, “Denoising by Singularity Detection”, IEEE Transactions on Signal Processing, Vol.47, No.11, pp.3139-3144, November 1999. 
  42. C.H. Lau, S. Eberl, D. Feng, H. Iida, D. Lun, W.C. Siu, Y. Tamura, G. Bautovichand Y. Ono, “Optimized Acquisition Time and Image Sampling for Dynamic SPECT of Tl-201”, IEEE Transactions on Medical Imaging, Vol.17, No.3, pp.334-343, June 1998.
  43. Tai-Chiu Hsung and Daniel Pak-Kong Lun, “Application of Singularity Detection for the Deblocking of JPEG Decoded Images”, IEEE Transactions on Circuits and Systems-II: Analogue and Digital Signal Processing, Vol.45, No.5, pp.640-644, May 1998.
  44. Stefan Eberl, Chi-Hoi Lau, Dagan Feng, Hidehiro Iida, Pak-Kong Lun, Wan-Chi Siu, George J. Bautovich, “Optimum Sampling Schedule for UL-201 Dynamic SPECT”, Journal of Nuclear Medicine, Vol.38, No.5(supplement, pp223p), 1997.
  45. Tai-Chiu Hsung, D.P.K. Lun and W.C. Siu, “A deblocking technique for block-transform compressed image using wavelet transform modulus maxima”, IEEE Trans. Image Processing, Vol.7, No.10, pp.1488-1495, October 1998. 
  46. Tak-Wai Shen, D.P.K. Lun and W.C. Siu, “On the Efficient Computation of 2-D Image Moments Using the Discrete Radon Transform”, Pattern Recognition,  Vol.31, No.2, pp.115-120, February 1998.
  47. Tai-Chiu Hsung, Daniel P.K. Lun and Wan-Chi Siu, “The Discrete Periodic Radon Transform”, IEEE Trans. Signal Processing, Vol.44, No.10, pp.2651-7, October 1996.
  48. D.P.K. Lun and W.C. Siu, “A Pipeline Design for the Realization of the Prime Factor FFT using the Extended Diagonal Structure”, IEEE Trans. Computer, Vol.43, No.10, pp.1232-1237, October 1994.
  49. D.P.K. Lun and W.C. Siu, “Fast radix-3/9 discrete Hartley transform”, IEEE Trans. Signal Processing, Vol.41, No.7, pp.2494-2498, July 1993.
  50. D.P.K. Lun and W.C. Siu, “An analysis for the realization of an in-place and in-order prime factor algorithm”, IEEE Trans. Signal Processing, Vol.41, No.7, pp.2362-2370, July 1993.
  51. D.P.K. Lun and W.C. Siu, “On prime factor mapping for the discrete Hartley transform”, IEEE Trans. Signal Processing, Vol.39, No.6, pp.1399-1411, June 1992.
  52. D.P.K. Lun and W.C. Siu, “Extended diagonal structure for the address generation of the prime factor algorithm”, IEE Proceedings., part G, Circuits, Devices and Systems, Vol.138, No.4, pp.449-56, August 1991. 
  53. K.L. Wong, R. Chan, P.K. Lun and W.C. Siu, “Efficient Address Generation for Prime Factor Algorithms”, IEEE Trans. Acoust. Speech Signal Processing, Vol.38, No.9, pp.1518-1528, September 1990. 
  54. D.P.K. Lun and W.C. Siu,”A novel mapping scheme for transforms with lengths equal to products of prime squares”, Electronics Letters, Vol.26, No.1, pp.21-23, January 1990.


  1. Certificate of Merit   
    Awarded by IEEE Signal Processing Society “for dedication and leadership in organizing the 2010 IEEE International Conference on Image Processing (ICIP)”.
  2. Best Paper Award in the track Computing in Dialogue Session   
    Swarna Bai Arniker, Hon Keung Kwan, Ngai-Fong Law, and Daniel  Pak-Kong Lun, “Promoter prediction using DNA numerical representation and neural network: Case study with three organisms”, Proceedings, 2011 IEEE AnnualIndia Conference (INDICON), Hyderabad, India, 2011. (Digital ObjectIdentifier: 10.1109/INDCON.2011.6139397)
  3. Best Student Paper Award   
    “Road Traffic Monitoring System using Content-based Scalable H.263 Video Coding Scheme”, The first IEEE Pacific-Rim Conference on Multimedia, Sydney, Australia, 2000.  
  4. 1999 IEE Younger Member Paper Award   
    K.H. Ho and Daniel P.K. Lun, “Scalable H.263 Video Coding Scheme for Road Traffic Monitoring”
  5. Being rated as Excellent by the Hong Kong Research Grants Council for the completion of the project   
    “A study of the Computer Tomography and the Wavelet Transform” 


  1. Chinese Patent (Granted/Issue Date: 6 July 2014, Filing Date: 29 June 2012)
    Title of Invention: Hybrid Skip Mode for Depth Map Coding and Decoding (用于深度图编码和解码的混合型跳过模式)
    Inventors:  Yui-Lam CHAN, Sik-Ho TSANG, Wan-Chi SIU, Hoi-Kok CHEUNG, Wai-Lam HIU, Pak-Kong  LUN (POLYU), Junyan REN (ASTRI)
    Patent Application Number: CN201210226636
  2. US Patent (Publication Date: 1 February 2014, Filing Date: 29 June 2012)
    Title of Invention: Hybrid Skip Mode for Depth Map Coding and Decoding
    Inventors: Yui-Lam CHAN, Sik-Ho TSANG, Wan-Chi SIU, Hoi-Kok CHEUNG, Wai-Lam HIU, Pak-Kong  LUN (POLYU), Junyan REN (ASTRI)
    US Patent Application Number: 13/537,089