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Jiaji Wu is a professor at Xidian University, Xi’an, China. He received the B.S. degree in electrical engineering from Xidian University, Xi’an China, in 1996, the M.S. degree from National Time Service Center (NTSC), the Chinese Academy of Sciences in 2002, and the Ph.D degree in electrical engineering from Xidian University in 2005.

Research Interests

  • 2D still image coding

      Wavelet Coding Algorithm

  • Directional transform coding

     Adaptive Directional Wavelet Transform Image Coding

  • Block-based DCT/KLT coding

     DCT coding
     Reversible Time Domain Lapped Transform (RTDLT)

  • Hyperspectral/multispectral images compression

     2D/3D Wavelet Coding Software
     KLT/Wavelet Compression
     Lossless Compression of Hyperspectral Images

  • High-Performance Computing


Book Chapter

  • Jiaji Wu, Lei Wang, Yong Fang, LC Jiao, “Multiplierless Reversible Integer TDLT/KLT for Lossy-to-lossless Hyperspectral Image Compression: Satellite Data Compression" , Springer, Edited by Bormin Huang, ISBN 978-1-4614-1182-6, 2011.


  1. Xiangshuai Meng, Jiaji Wu, Zhensen Wu, Tan Qu, Lin Yang. Design of Multiple-Polarization Reflectarray for Orbital Angular Momentum Wave in Radio Frequency. IEEE Antennas and Wireless Propagation Letters, 2018. (Accepted)
  2. Xiaowei Guo, Jiaji Wu, Jinpeng Zhang, Jie Han. Deep learning for solving inversion problem of atmospheric refractivity estimation. Sustainable Cities and Society, 2018. (Accepted)
  3. Xiangshuai Meng, Jiaji Wu, Zhensen Wu, Tan Qu, Lin Yang. Dual-polarized Reflectarray for Generating Dual Beams with Corresponding Two Different Orbital Angular Momentum Modes Based on Independent Feeds for Operation in C- and X-bands. Optics Express, 2018. (Accepted)
  4. Mengyue Zhao, Jiaji Wu, Gwanggil Jeon Xing Guo. Statistical Analysis of Cloud Characteristics in Northwest China Based on Fengyun Satellite Data. Concurrency and Computation: Practice and Experience, 2018. (Accepted)
  5. Lei Wang, Yangyang Xu, Jun Cheng, Haiying Xia, Jianqin Yin, and Jiaji Wu. Human Action Recognition by Learning Spatio-Temporal Features with Deep Neural Networks. IEEE Access, doi: 10.1109/ACCESS.2018.2817253, 2018.
  6. Longxiang Linghu, Jiaji Wu, Bormin Huang, Zhensen Wuand, Xiaobin Wang. GPU-accelerated Computation of Time-evolving Electromagnetic Backscattering Field from Large Dynamic Sea Surfaces. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2018.(Accepted)
  7. Jiaojiao Li, Jiaji Wu, Gwanggil Jeon. Parallel Binocular Stereo Vision-based GPU Accelerated Pedestrian Detection and Distance Computation. Journal of Real-Time Image Processing, 2018. (Accepted)
  8. Liwen Ma, Jiaji Wu, Chunyuan Li. Localization of a High-Speed Train Using a Speed Model Based on the Gradient Descent Algorithm. Future Generation Computer Systems, 2018. (In press)
  9. Xing Guo, Zhensen Wu, Jiaji Wu.  Study of infrared reflection characteristics of aerial target using MODIS data on GPU. Journal of Real-Time Image Processing, doi: 10.1007/s11554-018-0754-3, 2018.
  10. Xing Guo, Zhensen Wu, Jiaji Wu, Yunhua Cao. Parallel BRDF-based infrared radiation simulation of aerial targets implemented on Intel Xeon processor and Xeon Phi coprocessor. Journal of Real-Time Image Processing, doi: 10.1007/s11554-017-0739-7, 2018.
  11. Jiaji Wu, Long Deng, Gwanggil Jeon. GPU-Parallel Interpolation using the Edge-Direction Based Normal Vector Method for Terrain Triangular Mesh. Journal of Real-Time Image Processing, vol.14, no.4, doi:10.1007/s11554-016-0575-1, pp.1-10, 2018.
  12. Jiaji Wu, Long Deng, Gwanggil Jeon. Image Autoregressive Interpolation Model using GPU-Parallel Optimization. IEEE Transactions on Industrial Informatics, vol.14, no.2, pp.426-436, 2017.
  13. Yu Lei, Jiao Shi, Jiaji Wu. Region-driven distance regularized level set evolution for change detection in remote sensing images. Multimedia Tools and Applications, 2017.(In Press)
  14. Jiaji Wu, Wenze Li, Gwanggil Jeon. From Coarse- to Fine-Grained Implementation of Edge-Directed Interpolation Using a GPU. Information Sciences, vol.385–386, pp.457-474, April 2017.
  15. Wanqiu Kong, Jiaji Wu, Zejun Hu, Marco Anisetti, Ernesto Damiani, Gwanggil Jeon. Lossless Compression for Aurora Spectral Images with Fast Online Bi-dimensional Decorrelation Method. Information Sciences, vol.381, pp.33-45, 2017.
  16. Jin Wang, Jiaji Wu, Zhensen Wu, Jechang Jeong, Gwanggil Jeon. Wiener filter-based wavelet domain denoising. Displays, vol.46, pp.37-41, 2017.
  17. Jin Wang, Jiaji Wu, Zhensen Wu, and Gwanggil Jeon. Taylor Series and Adaptive Directional Selection for Real Time Demosaicking. Displays, vol.45, pp.14-25, 2016.
  18. Jin Wang, Jiaji Wu, Zhensen Wu, Gwanggil Jeon. Filter-based Bayer Pattern CFA Demosaicking. Circuits, Systems, and Signal Processing, doi:10.1007/s00034-016-0448-7, pp.1-24, 2016.
  19. Jiaji Wu, Marco Anisetti, Wei Wu, Ernesto Damiani, and Gwanggil Jeon. Bayer Demosaicking with Polynomial Interpolation. IEEE Transactions on Image Processing, vol. 25, no. 11, pp. 5369-5382, Nov. 2016.
  20. Jin Wang, Jiaji Wu, Zhensen Wu, Gwanggil Jeon, and Jechang Jeong. Bilateral Filtering and Directional Differentiation for Bayer Demosaicking. IEEE Sensors Journal, doi:10.1109/JSEN.2016.2623422, 2016.
  21. Jiao Shi, Yu Lei, Jiaji Wu, Anand Paul, Mucheol Kim, Gwanggil Jeon. Uncertain clustering algorithms based on rough and fuzzy sets for real-time image segmentation. Journal of Real-Time Image Processing, doi:10.1007/s11554-016-0585-z, pp.1-19, 2016.
  22. Jiaji Wu, Long Deng, Gwanggil Jeon. GPU-Parallel Interpolation using the Edge-Direction Based Normal Vector Method for Terrain Triangular Mesh. Journal of Real-Time Image Processing, doi:10.1007/s11554-016-0575-1, pp.1-10, 2016.
  23. Xing Guo, Jiaji Wu, Zhensen Wu, Bormin Huang. Parallel Computation of Aerial Target Reflection of Background Infrared Radiation: Performance Comparison of OpenMP, OpenACC and CUDA Implementations. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 9, no. 4, pp. 1653-1662, April 2016.
  24. Jiao Shi, Jiaji Wu, Marco Anisetti, Ernesto Damiani, Gwanggil Jeon. An interval type-2 fuzzy active contour model for auroral oval segmentation. Soft Computing, DOI: 10.1007/s00500-015-1943-7, PP.1-21, 2015.
  25. M. Mazhar U Rathore, Awais Ahmad, Anand Paul, Wu Jiaji. Real-time Continuous Feature Extraction in Large Size Satellite Images. Journal of Systems Architecture, vol.64, pp.1122-132, 2015.
  26. Jiaji Wu, Wanqiu Kong, Bormin Huang, Jarno Mielikainen. Lossless Compression of Hyperspectral Imagery via Clustered Differential Pulse Code Modulation with Removal of Local Spectral Outliers. IEEE Signal Processing Letters, 2015. (In Press) (Software)
  27. Lei Wang, Jing Bai, Jiaji Wu, and Gwanggil Jeon. Hyperspectral Image Compression based on Lapped Transform and Tucker Decomposition. Signal Processing: Image communication, vol.36, pp.63-69, 2015.
  28. Jiaji Wu, Long Deng, Anand Paul. 3D Terrain Real-time Rendering Method Based on CUDA-OpenGL Interoperability. IETE Technical Review, DOI: 10.1080/02564602.2015.1040473, 2015.
  29. Bormin Huang, Jiaji Wu, Yang-Lang Chang. Special Section Guest Editorial: High-Performance Computing in Applied Remote Sensing: Part 3. Journal of Applied Remote Sensing, vol. 8, no.1, 084701, pp. 1-1, January 2015.
  30. Jiaji Wu, Zhan Song, Gwanggil Jeon. GPU-Parallel Implementation of the Edge-Directed Adaptive Intra-Field Deinterlacing Method. IEEE/OSA Journal of Display Technology, vol.10, no.9, pp.746-753, 2014.
  31. Xiang Su, Jiaji Wu*, Bormin Huang, Zhensen Wu. GPU-accelerated Computation of Electromagnetic Scattering of a Double-layer Vegetation Model. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol.6, no.4, pp.1-8, 2013.
  32. Jiaji Wu, Zhenzhen Xu, Gwanggil Jeon, Xiangrong Zhang, Licheng Jiao. Arithmetic coding for image compression with adaptive weight-context classification. Signal Processing: Image Communication, Vol.28, no.7, pp.727-735, August 2013.
  33. S.-J. Park, G. Jeon, J. Wu, and J. Jeong. An interpolation scheme based on Bayes classifier. Journal of Electronic Imaging, vol. 22, no. 2, pp. 023003, Apr-Jun 2013.
  34. Anand Paul, K Bharanitharan, Jiaji Wu. Algorithm and Architecture for Adaptive Motion Estimation in Video Processing. IETE Technical Review, Vol.30, No.1, pp.24-30, 2013.
  35. Jiaji Wu, Chong Liang, Jianxiang Han, Zejun Hu, Dehong Huang, Hongqiao Hu, Yong Fang, Licheng Jiao. A Two-Stage Lossless Compression Algorithm for Aurora Image Using Weighted Motion Compensation and Context-Based Model, Optics Communications. Vol.290, pp.19-27, October 22, 2012
  36. Yong Fang, Jiaji Wu, and Bormin Huang. 2D sparse signal recovery via 2D orthogonal matching pursuit. Science China: Inf. Sci., 55: 889-897, 2012.  
  37. Jiaji Wu, Tao Li, Tung-Ju Hsieh, Yang-Lang Chang, and Bormin Huang. Digital Signal Processor-based 3D Wavelet Error-resilient Lossless Compression of High-resolution Spectrometer Data. Journal of Applied Remote Sensing, Vol. 5, 051504, November 28, 2011.
  38. Jun Wang, Bormin Huang, Jiaji Wu, Jong-Wha Chong. Lapped transform-based codec for frame-memory reduction in super-quality LCD overdrive. Journal of the SID, Vol.19, No.8, 2011.
  39. A. Paul, J. Wu, J.-F. Yang, and J. Jeong. Gradient-based edge detection for motion estimation in H.264/AVC. IET Image Processing. Vol.5,No.4, pp.323–327, 2011.
  40. Jiaji Wu, Jin Huang, Gwanggil Jeon, Jechang Jeong, L.C. Jiao. An adaptive autoregressive de-interlacing method. Optical Engineering, Vol.5, 50, 057001, 2011. (Software)
  41. Jiaji Wu, Anand Paul, Yan Xing, Yong Fang, Jechang Jeong, Licheng Jiao, Guangming Shi. Morphological dilation image coding with context weights prediction. Signal Processing: Image Communication, Vol.25, No.10, pp.717-728, 2010. (Draft)
  42. Licheng Jiao, Lei Wang, Jiaji Wu, Jing Bai, Shuang Wang, Biao Hou. Shape-Adaptive Reversible Integer Lapped Transform for Lossy-to-lossless ROI Coding of Remote Sensing Images. IEEE Geoscience and Remote Sensing Letters, Vol.8, No.2, pp.326-330, 2011.
  43. Wang, L.; Jiao, L.; Bai, J.; Wu, J.; . Hyperspectral image compression based on 3D reversible integer lapped transform. IET Electronics Letters, vol.46, no.24, pp.1601-1602, November 25 2010.
  44. Jiaji Wu, Yan Xing, Jechang Jeong, Guangming Shi, Licheng Jiao. Using a weighted zeroblock coder for satellite image compression. Journal of Applied Remote Sensing, Vol. 4, 041787, 2010. (Software) (Corrected draft)
  45. Lei Wang, Licheng Jiao, Jiaji Wu, Guangming Shi, Yanjun Gong, Lossy-to-lossless image compression based on multiplier-less reversible integer time domain lapped transform. Signal Processing: Image Communication, Vol. 25, pp.622-632, September 2010.(Software)
  46. Lei Wang, Jiaji Wu, Licheng Jiao, Shuang Zhang. Three Dimensional Medical Image Compression Based on Low-complexity RKLT. IET Electronics Letters, Vol.46, No.6, pp.395-397, 2010.
  47. 白静, 吴家骥, 王磊, 焦李成. 基于提升方向波变换域的SAR图像压缩. 红外与毫米波学报. 28(4). pp 311-315, 2009.
  48. Lei Wang, Jiaji Wu, Licheng Jiao and Guangming Shi. Lossy-to-lossless Hyperspectral Image Compression Based on Multiplierless Reversible Integer TDLT/KLT. IEEE Geoscience and Remote Sensing Letters, vol.6, no.3, pp.587-591, July 2009.
  49. GONG Yan-Jun, WU Zhen-Sen, WU Jia-Ji. Analytical Model of Doppler Spectra of Light Backscattered from Rotating Convex Bodies of Revolution in the Global Cartesian Coordinate System. CHIN. PHYS. LETT. Vol. 26, No. 2, 024213, 2009.
  50. 吴家骥,焦李成,石光明,王磊. 基于对象的三维医学图像形状自适应小波编码算法. 软件学报,19(7):1635-1643,2008.
  51. 徐彬, 吴家骥 等, 基于自适应稀疏重构和迭代去噪的返回散射同频干扰修复方法. 电波科学学报, Vol.22, No.3, 2007.
  52. 吴家骥,基于三维小波变换的超光谱图像零块压缩编码算法. 软件学报, Vol.18, No.2, p.461-468,2007.
  53. 吴家骥, 吴成柯,吴振森. 三维图像的任意形状ROI小波零块压缩编码算法. 电子学报. vol.34, No.10, p.1828-1832, 2006.
  54. Jiaji Wu, Zhensen Wu, Chengke Wu. Lossly to lossless compression of hyperspectral images using three-dimensional set partitioning algorithm. Optical Engineering, vol.45, no.2 : 2 7005-1-8, Feb. 2006.(Software)
  55. Jiaji Wu, Chengke Wu. Multispectral image compression using three-dimensional transform zeroblock coding. CHINESE OPTICS LETTERS, Vol.2, No.6, pp325-327, June 10, 2004.
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