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研究人員 ｜ Research Faculty

● Research Fellow, IIS, Academia Sinica (2005- ) ƒ Associated Editor of Journal of Wavelet Theory and Applications
黃文良 Wen-Liang Hwang ● Associated Research Fellow, IIS, Academia Sinica (1999-2005) (JWTA) since February (2007)
● Assistant Research Fellow, IIS, Academia Sinica (1995-1999) ƒ Associated Editor of International Journal of Wavelets, Multiresolu-
● Associate Post Doctoral Researcher, Department of Mathematics, tion and Information Processing since March (2003)
University of California, Irvine (1993-1994) ƒ Research Award for Junior Investigators, Academia Sinica. In recogni-
研究員 Research Fellow ● Ph.D., Computer Science, New York University (1993) tion of outstanding and professional achievements in researches
Ph.D., Computer Science, New York University ● M.S., Electrical Engineering, Polytechnic Institute of New York (1998) for time-frequency analysis with applications in signal and image
● B.S., Nuclear Engineering, National Tsing Hua University (1991) processing (2001)
Tel: +886-2-2788-3799 ext. 1609
Fax: +886-2-2782-4814
Email: whwang@iis.sinica.edu.tw
http://www.iis.sinica.edu.tw/pages/whwang/eindex.html

代表著作 Publications

Rene Carmona, Wen-Liang Hwang, and Bruno Torresani, Practical Time- 16. Chih-Ming Fu, Wen-Liang Hwang, and Chung-Lin Huang, “Data-
Frequency Analysis, Academic Press, 1998 [Book]. Aided Frame Timing Acquisition for Fractal Modulation in an AWGN
研究簡介 Research Description Channel,” Signal Processing 86, pp. 301-318, February 2006.
1. Stephane Mallat and Wen-Liang Hwang, “Singularity Detection and 17. Jian-Liang Lin, Wen-Liang Hwang, and Soo-Chang Pei, “Multiple
Blocks Matching Pursuit Update Algorithm for Low Bit-rate Video
我的研究領域在小波理論分析與應用，訊號、影像及多 My primary research areas are wavelet analysis, as well as signal, image and video Processing with Wavelets,” IEEE Transactions on Information Theory, Coding,” IEEE Transactions on Circuits and Systems for Video Tech-
媒體的處理。我目前的興趣及正在進行的課題如下： processing. In addition, my current interests and on-going research topics include, vol. 38, no. 2, pp. 617-645, March 1992. nology, vol. 16, no. 3, pp. 331-337, March 2006.
but are not limited to: 2. Wen-Liang Hwang and Stephane Mallat, “Characterization of Self- 18. Wen-Yao Chen, Wen-Liang Hwang, and Tien Ching Lin,” Planar Shape
(1) 影像及視訊壓縮：我的興趣在於提出新的創見以改良 Similar Multifractals with Wavelet Maxima,” Applied and Computa- Prototype Generation Using a Tree-based Random Greedy Algorithm,”
並推展目前及未來的壓縮系統。 (1) Image and video compression and transmission: I am interested in improving tional Harmonic Analysis, vol. 1, no. 4, pp. 316-328, September 1994. IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cyber-
current techniques and proposing innovative ideas to add functionality to, and 3. Rene Carmona, Wen-Liang Hwang, and Ron Forstig, “Wavelet Analy- netics, vol. 36, no. 3, pp. 649-660, June 2006.
(2) 紋理分析與合成：雖然紋理在工程上已經有些應用， enhance the performance of, current/next generation system. Meanwhile, I sis for Brain-Function Imaging,” IEEE Transactions on Medical Imag- 19. Cho-Chun Cheng, Wen-Liang Hwang, Zuowei Shen, and Tao Xia,
但從科學研究的觀點，紋理依然是個沒有解開的問題， study robust transmission of multimedia data. ing, vol. 14, no. 3, pp. 556-564, September 1995. “Subjective and Objective Comparison of Advanced Motion Compen-
我研究紋理包含紋理的合成與分析而最終的目標是提出 4. Rene Carmona, Wen-Liang Hwang, and Bruno Torresani, “Characteri- sation Methods for Blocking Artifact,” IEEE Transactions on Circuit
zation of Signals by the Ridges of Their Wavelet Transforms,” IEEE
and Systems for VideoTechnology, vol. 16, no. 9, pp. 1134-1141, Sep-
一個紋理的表示法。 (2) Signal, image, and video processing: I study signal and image and video process- Transactions on Signal Processing, vol. 45, no.10, pp. 2586-2590, Oc- tember 2006.
ing methods that can be applied to noise reduction, data enhancement, single tober 1997.
(3) 多媒體的傳送、隱藏訊息及著作權保護：我的興趣在 channel and multiple channels source separation as well as other problems. 20. Chih-Ming Fu, Wen-Liang Hwang, and Chung-Lin Huang, “Combined
於結合資料及通訊編碼，以增加傳送的穩定度，並且研 Many of these problems must be solved collaboratively with machine learning 5. Wen-Liang Hwang, Chun-Shien Lu, and Pau-Choo Chung, “Shape Error-Concealment and Error-Correction in Rate-Distortion Analysis
for Multiple Substream Transmissions,” IEEE Transactions on Image
From Texture: Estimation of Planar Surface Orientation Through the
究多媒體的浮水印的使用、訊息的隱藏及追蹤等課題。 Ridge Surfaces of Continuous Wavelet Transform,” IEEE Transactions Processing, vol. 16, no.4, pp.1022-1035, April 2007.
methods as well as graphic algorithms. I am also interested in developing rand- on Image Processing, vol. 7, no. 5, pp. 773-780, May 1998.
(4) 小波轉換理論及應用：從博士論文開始，我便一直研 omizing algorithm on data analysis problems. 21. Chih-Ming Fu, Wen-Liang Hwang, and Chung-Lin Huang, “A Sub-
6. Rene Carmona, Wen-Liang Hwang, and Bruno Torresani, “Multiridge space Approach to Timing Acquisition for Wavelet-based Multirate
究與小波轉換有關的問題，我目前的興趣是繼續探究這 (3) Wavelet analysis: Having studied wavelets for many years since obtaining my Detection and Time-Frequency Reconstruction,” IEEE Transactions on Transmissions,” IEEE Transactions on Communications, vol. 55, no. 6,
個理論中的難題及發展適合的應用。 Signal Processing, vol. 47, no. 2, pp. 480-492, February 1999. pp. 1111-1115, June 2007.
Ph.D., I am interested in several advanced wavelet techniques – both theoretical 7. Wen-Liang Hwang, “Estimation of Fractional Brownian Motion Em- 22. Jian-Liang Lin, Wen-Liang Hwang, and Soo-Chang Pei, “Fast Match-
(5) 影像及多媒體資料處理：我研究可被應用在醫學影 and practical. bedded in a Noisy Environment Using Non-Orthogonal Wavelets,” ing Pursuit Video Coding by Combining Dictionary Approximation and
像、微陣列影像、行動電話技術及監視系統的影像及視 (4) Time-frequency analysis: After co-authoring a book on this subject, I am using IEEE Transactions on Signal Processing, vol. 47, no. 8, pp. 2211-2219, Atom Extraction Design,” IEEE Transactions on Circuit and Systems
for Video Technology, vol. 17, pp.1679-1689, December 2007.
訊的處理方法。 August 1999.
time-frequency and time-scale methods to analyze music signals as well as fi- 8. Jen-Chang Liu, Wen-Liang Hwang, and Ming-Syan Chen, “Estimation 23. Liu-yuan Lai, Wen-Liang Hwang, and Paruvelli Screedevi, “Per-
(6) 時頻分析：在共同著作有關時頻分析的書之後，我利 nancial data. of 2-D Noisy Fractional Brownian Motion and Its Applications using formance Evaluation of a Novel Sampling-based Texture Synthesis
用時頻及時間尺度方法來分解統計訊號並且分析音樂信 (5) Texture representations, analysis and synthesis: Despite the development of sev- Wavelets,” IEEE Transactions on Image Processing, vol. 9, pp. 1407- Technique Using Different Sized Patches,” Signal, Image and Video
Processing, pages 1863-1711, February 2008.
1419, August 2000.
號及財務資料。
eral interesting applications, texture is still an un-solved problem scientifically. 9. Jengnan Tzeng, Wen-Liang Hwang, and I-Liang Chern, “Enhancing 24. Jinn Ho and Wen-Liang Hwang, “Automatic Microarray Spot Segmen-
我喜歡研究新的技術，因為從解決問題中，我得到很大 Although I am interested in solving texture problems, my ultimate goal is to de- Image Watermarking Methods with/without Reference Images by Op- tation Using a Snake-Fisher Model,” IEEE Transactions on Medical
Imaging, volume 27, pages 847-857, June 2008.
timization on Second-Order Statistics,” IEEE Transactions on Image
的樂趣。 vise a successful representation of textures. Processing, vol. 11, no. 7, pp. 771-783, July 2002.
25. Silong Peng and Wen-Liang Hwang, “Adaptive Signal Decomposition
I like to study and develop new methods because I derive immense satisfaction from 10. Yao-Tang Chou, Wen-Liang Hwang, and Chung-Lin Huang, “Gain- Based on Local Narrow Band Signal,” IEEE Transactions on Signal
Processing, volume 56, number 7, pages 2669-2676, July 2008.
shape Optimized Dictionary for Matching Pursuit Video Coding,” Sig-
solving complex problems. nal Processing, vol. 83, pp. 1937-1943, September 2003.
26. Jian-Liang Lin, Wen-Liang Hwang, Soo-Chang Pei, and Jenq-Neng
11. Ming-Shing Su, Wen-Liang Hwang, and Kuo-Yourn Cheng, “Analy- Hwang, “A Hybrid Coarse/Fine Layered Multicast Scheme Based on
sis on Multiresolution Mosaic Images,” IEEE Transactions on Image Hierarchical Bandwidth Inference Congestion Control,” IEEE Transac-
Processing, vol. 13, no. 7, pp. 952-959, July 2004. tions on Circuits and Systems for Video Technology, volume 18, number
2, pages 1776-1780, December 2008.
12. Jian-Liang Lin, Wen-Liang Hwang, and Soo-Chang Pei, “SNR Scal-
ability Based on Bitplane Coding of Matching Pursuit Atoms: Fine 27. Cho-Chun Cheng, Guan-Ju Peng and Wen-Liang Hwang, “Subband
Grained and Two Residuals,” IEEE Transactions on Circuits and Sys- Weighting with Pixel Connectivity for 3-D Wavelet Coding,” IEEE
tems for Video Technology, vol. 15, no. 1, pp. 3-14, January 2005. Transactions on Image Processing, volume 18, number 1, pages 52-62,
January 2009.
13. Jengnan Tzeng, Wen-Liang Hwang, and I-Liang Chern, “An Asymmet-
ric Subspace Watermarking Method for Copyright Protection,” IEEE 28. Xiyuan Hu, Silong Peng, and Wen-Liang Hwang, “Estimation of Instan-
Transactions on Signal Processing Supplement on Secure Media (Spe- taneous Frequency Parameters of the Operator-based Signal Separation
cial Issue), vol. 53, no. 2, pp. 784-792, February 2005. Method,” Advances in Adaptive Data Analysis, volume 1, number 4,
pages 587-600, 2010.
14. Chun-Liang Tu, Wen-Liang Hwang, and Jinn Ho, “Analysis of Singu-
larities from Modulus Maxima of Complex Wavelets,” IEEE Transac- 29. Silong Peng and Wen-Liang Hwang, “Null Space Pursuit: An Operator-
tions on Information Theory, vol. 51, no. 3, pp.1049-1062, March 2005. based Approach to Adaptive Signal Separation,” To Appear in IEEE
Transactions on Signal Processing.
15. Jinn Ho, Wen-Liang Hwang, Henry Horn-Shing Lu, and D.T. Lee,
“Gridding Spot Centers of Smoothly Distorted Microarray Images,” 30. Paruvelli Sreedevi, Wen-Liang Hwang, and Shawmin Lei, “An Exam-
IEEE Transactions on Image Processing, vol. 15, no. 2, pp. 342-353, plar-based Approach for Texture Compaction Synthesis and Retrieval,”
February 2006. To Appear in IEEE Transactions on Image Processing.
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