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胡 懷祖 ( 研究與著作 )
專任,教授
姓名 胡 懷祖 ( 研究與著作 )
職稱 教授
電子郵件 hthu@niu.edu.tw
聯絡電話 +886-3-9317343
辦公室 E509 格致大樓5F
研究專長 數位信號處理、積體電路設計、通訊技術
負責實驗室 信號處理雛形晶片設計實驗室
本年度再收研究生之意願 有,歡迎洽談
  1. Hwai-Tsu Hu, Jieh-Ren Chang and Shiow-Jyu Lin (2018.06), “Synchronous blind audio watermarking via shape configuration of sorted LWT coefficient magnitudes’, Signal Processing, vol. 147, pp. 190-202. [SCI: MOST 105-2221-E-197-019]
  2. Hwai-Tsu Hu, Shiow-Jyu Lin and Ling-Yuan Hsu (2017.05), “Effective Blind Speech Watermarking via Adaptive Mean Modulation and Package Synchronization in DWT domain”, EURASIP Journal on Audio, Speech, and Music Processing, 2017:10 DOI: 10.1186/s13636-017-0106-4. [SCI: MOST 105-2221-E-197-019]
  3. Hwai-Tsu Hu, Szu-Hong Chen and Ling-Yuan Hsu (2017.08), “Improving DWT-DCT-Based Blind Audio Watermarking Using Perceptually Energy-Compensated QIM,” Journal of Computers, Vol. 28, No. 4, pp. 63-73, 2017. [EI: MOST 103-2221-E-197 -020 and MOST 105-2221-E-197-019]
  4. Ling-Yuan Hsu and Hwai-Tsu Hu, (2017.07) “Robust blind image watermarking using crisscross inter-block prediction in the DCT domain”, Vol. 46, pp. 33-47, Journal of Visual Communication and Image Representation. [SCI: MOST 105-2221-E-562-003 and MOST 104-2221-E-197-023]
  5. Hwai-Tsu Hu and Jieh-Ren Chang (2017.03), “Efficient and robust frame-synchronized blind audio watermarking by featuring multilevel DWT and DCT,” Cluster Computing, Vol. 20, No. 1, pp 805–816. doi:10.1007/s10586-017 -0770-2. [SCI: MOST 104-2221-E-197-023]
  6. Jieh-Ren Chang, You-Shyang Chen, Hong-Wun Lin and Hwai-Tsu Hu (2017.02), “An advanced computing in fuzzy rule-based preprocessing design of image filters’ system for removing impulse noises,” The Journal of Supercomputing, doi:10.1007/s11227-017-1979-9.
  7. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Supplementary schemes to enhance the performance of DWT-RDM-based blind audio watermarking,” Circuits Syst. Signal Process, Vol. 36, No. 5, pp. 1890-1911. DOI 10.1007/s00034-016-0383-7, [SCI: MOST 104-2221-E-197- 023].
  8. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Incorporating Spectral Shaping Filtering into DWT-Based Vector Modulation to Improve Blind Audio Watermarking,” Wireless Personal Communication, Vol. 94, Issue 2, pp. 221-240. DOI 10.1007/s11277-016 -3178-z. [SCI: MOST 103-2221-E-197-020].
  9. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Collective blind image watermarking in DWT-DCT domain with adaptive embedding strength governed by quality metrics,” Multimedia Tools Application, Vol. 76, Issue. 5, pp. 6575–6594. DOI 10.1007/s11042-016-3332-3. [SCI: MOST 103-2221-E-197-020].
  10. Hwai-Tsu Hu, Jieh-Ren Chang and Ling-Yuan Hsu (2016), “Windowed and distortion-compensated vector modulation for blind audio watermarking in DWT domain,” Multimedia Tools Application, doi:10.1007/s11042-016-4202-8. [SCI: MOST 104-2221-E-197-023].
  11. Hwai-Tsu Hu, Jieh-Ren Chang and Ling-Yuan Hsu (2016), “Robust blind image watermarking by modulating the mean of partly sign-altered DCT coefficients guided by human visual perception,” AEU - International Journal of Electronics and Communications, Vol. 70, No. 10, pp. 1374–1381. [SCI: MOST 104-2221-E-197-023].
  12. Hwai-Tsu Hu and Ling-Yuan Hsu (2016), “A mixed modulation scheme for blind image watermarking,” AEU - International Journal of Electronics and Communications, Vol. 70, No. 2, pp. 172–178. [SCI: MOST 103-2221-E-197- 020].
  13. Hwai-Tsu Hu and Ling-Yuan Hsu (2016), “A DWT-Based Rational Dither Modulation Scheme for Effective Blind Audio Watermarking,” Circuits Syst. Signal Process, Vol. 35, No. 2, pp. 553-572. [SCI: NSC 103-2221-E-197-020.]
  14. Hwai-Tsu Hu and Ling-Yuan Hsu (2015), “Robust glottal closure instant detection by jointly exploiting stationary wavelet transform and harmonic superposition,” International Journal of Speech Technology, Vol. 18, No. 4, pp 685-695. [EI: MOST 102-2221-E-197-020.]
  15. Ling-Yuan Hsu and Hwai-Tsu Hu* (2015), “Blind image watermarking via exploitation of inter-block prediction and visibility threshold in DCT domain,” J. Vis. Commun. Image R., Vol. 32, pp. 130–143. [SCI: MOST 103-2221-E-197-020.]
  16. Hsien-Hsin Chou, Ling-Yuan Hsu and Hwai-Tsu Hu (2015), “Multi-level adaptive switching filters for highly corrupted images,” Journal of Visual Communication and Image Representation, Vol. 30, pp. 363–375.
  17. Hwai-Tsu Hu and Ling-Yuan Hsu (2015), “Robust, transparent and high-capacity audio watermarking in DCT domain,” Signal Processing, Vol. 109, pp. 226–235. [SCI: NSC 103-2221-E-197-020.]
  18. Hwai-Tsu Hu and Ling-Yuan Hsu (2015) “Exploring DWT-SVD-DCT feature parameters for robust multiple watermarking against JPEG and JPEG2000 compression,” Computers & Electrical Engineering, Vol. 41, pp. 52-63. [SCI: NSC 103-2221-E-197-020.]
  19. Hwai-Tsu Hu, Hsien-Hsin Chou and Ling-Yuan Hsu (2014) “Perceptual-based DWPT-DCT framework for selective blind audio watermarking,” Signal Processing, Vol. 105, pp. 316327. [SCI: NSC 101-2221-E-197-033]
  20. Hwai-Tsu Hu, Hsien-Hsin Chou and Ling-Yuan Hsu (2014) “The Use of Highpass Filtered Time-Spread Echo for Pitch Scaling Detection,” IEICE Trans. Fundamentals, Vol. E97–A, No. 7, pp. 1623-1626. [SCI: NSC101-2221-E-197 -033 and NSC102-2221-E-197-020]
  21. Ching-Hsuan Ku, Hwai-Tsu Hu* and Ling-Yuan Hsu (2014) “An image watermarking technique developed on the DWT-SVD-DCT domain,” International Journal of Advanced Information Technology, Vol. 8, No. 1, pp. 86–91. [SCI: NSC 101-2221-E-197-033]
  22. Hwai-Tsu Hu, Ling-Yuan Hsu and Hsien-Hsin Chou (2014) “Variable-dimensional vector modulation for perceptual-based DWT blind audio watermarking with adjustable payload capacity,” Digital Signal Processing, Vol. 31, pp. 115–123. [SCI: NSC 101-2221-E-197-033]
  23. Hwai-Tsu Hu, Hsien-Hsin Chou, Chu Yu and Ling-Yuan Hsu (2014) “Incorporation of perceptually adaptive QIM with singular value decomposition for blind audio watermarking,” EURASIP Journal on Advances in Signal Processing, Vol. 2014, No. 12, pp. 1-12. (doi:10.1186/1687-6180-2014-12) [SCI: NSC 101-2221-E-197-033]
  24. Hsien-Hsin Chou, Ling-Yuan Hsu, and Hwai-Tsu Hu (2013) “Turbulent-PSO Based Fuzzy Image Filter With No-Reference Measures for High-Density Impulse Noise,” IEEE Trans. Systems, Man, and CyberneticsPart B: Cybernetics, Vol. 43, No. 1, pp. 296-307.
  25. Hwai-Tsu Hu and Chu Yu (2012) “A Perceptually Adaptive QIM Scheme for Efficient Watermark Synchronization,” IEICE Trans. Inf. and Syst., Vol. E95- D, No. 12, pp. 3097-3100. [SCI: NSC 101-2221-E-197-033]
  26. Hwai-Tsu Hu and Wei-Hsi Chen (2012) “A dual cepstrum-based watermarking scheme with self-synchronization”, Signal Processing, Vol. 92, pp. 1109-1116. [SCI: NSC 98–2221-E-197-019]
  27. Hwai-Tsu Hu and Chu Yu (2012) “A HMM-WDLT framework for HNM-based voice conversion with parametric adjustment in formant bandwidth, duration and excitation” International Journal of Speech Technology, Vol. 15, No. 2, pp. 215-225, pp. 31-44. [EI: NSC96-2221-E-197-020-MY2 & NSC98-2221-E-197 -019]
  28. Hu, H. T. and Yu, C. (2010) “Narrowband-to-wideband expansion of telephony speech using piecewise deviation linear transformation”, International Journal of Electrical Engineering, Vol. 17, No. 1, pp. 7-17. [EI: NSC96-2622-E-197- 005-CC3]
  29. Hu, H. T. and Chu, Yu (2009) “Combining HMM and Weighted Deviation Linear Transformation for Highband Speech Parameter Estimation”, IEICE Trans. Inf. & Syst., Vol. E92-D, No. 7, pp. 1488-1490. [SCI: NSC96-2221-E-197-020-MY2]
  30. Hu, H. T. and Wang, H. M. (2009) “Integrating coding techniques into LP-based Mandarin text-to-speech synthesis,” International Journal of Speech Technology, DOI: 10.1007/s10772-008-9015-3. pp. 31-44. [EI: NSC93-2213- E-197-002]
  31. Hu, H. T. (2007) “Robust pitch estimation based on a modified comb filtering approach,” Electron. Lett., 43(25), pp.1471-1472. [SCI: NSC94-2213-197-001]
  32. Hu, H. T. and Yu, C. (2007) “Adaptive noise spectral estimation for spectral subtraction speech enhancement,” IET Signal Processing, 1(3), pp. 156-163. [SCI: NSC93-2213-E-197-002]
  33. Hu, H. T. and Chen, Y. N. (2007) “Structural design for a 1.6 Kbps GELP speech coder,” Bulletin of the college of Engineer, National I-Lan University, Vol. 2, pp. 69-86.
  34. Hu, H. T. and Yu, C. (2006) “Combination of switched predictive network and multi-stage VQ to efficiently encode LSF parameters,” Bulletin of the college of Engineer, National I-Lan University, Vol. 2, pp. 37-48.
  35. Hu, H. T., Hsu, S. T., and Yu, C. (2003), “Determination of Glottal Closure Instants by Harmonic Superposition,” Signal Processing, 83(9), pp. 1985-1995.  [SCI: NSC89-2213-E-197-009]
  36. Yu, C. and Hu, H. T. (2003), “Design and Implementation of an ASIC Architecture for 1.6 kbps Speech Synthesis,” IEEE Trans. Consumer Electronics, 49(3), pp. 731-736.  [SCI: NSC91-2215-E-197-001]
  37. Hu, H. T. (2002), “An efficient algorithm for hardware Implementation of low-bit-rate speech coding,” Journal of I-Lan Institute of Technology, 9, Special issue for electrical engineering and computer science, pp. 39-49.  [NSC90- 2213-E-197-001]
  38. Hu, H. T. and Yu, C. (2002). “Design and implementation of a 1.4kbps glottal excitation linear prediction (GELP) vocoder”, Journal of I-Lan Institute of Technology, 8, pp. 85-92.  [NSC89-2213-E-197-002]
  39. Hu, H. T., Kuo, F. J., and Wang, H. J. (2002). “Supplementary schemes to spectral subtraction for speech enhancement,” Speech Commun., 36, pp. 205-218.  [SCI: NSC88-2213-E-197-002]
  40. Hu, H. T., Kuo, F. J., and Wang, H. J. (2000). “A pseudo glottal excitation model for the linear prediction vocoder with speech signals coded at 1.6 kbps,” IEICE Trans. Inf. & Syst., 83(8), pp. 1654-1661. [SCI: NSC89-2213-E-197-002 & -009]
  41. Hu, H. T. and Wu, H. T. (2000). “A glottal-excited linear prediction (GELP) Model for low-bit-rate speech coding,” 24(2), Proc. Natl. Sci. Counc. ROC(A)., pp. 134-142.  [EI: NSC87-2218-E-197-001]
  42. Hu, H. T. (1999). “A filtering method for extracting glottal closure instants from linear prediction residual of speech signal,” 3, Journal of I-Lan Institute of Technology. pp. 69-85.  [NSC87-2218-E-197-001]
  43. Hu, H. T. (1998). “Linear prediction analysis of speech signals in the presence of white Gaussian noise with unknown variance,” IEE Proc.-Vis. Image Signal Process., 145(4), pp. 304-308.  [NSC: NSC86-2213-E-197-003]
  44. Hu, H. T. (1998). “Robust linear prediction of speech signals based on orthogonal framework,” Electron. Lett., 34(14), pp. 1385-1386.  [SCI: NSC87-2218-E-197 -001]
  45. Hu, H. T. (1998). “Orthogonal framework for linear prediction analysis,” Journal of I-Lan Institute of Agriculture and Technology, 16, pp. 165-183.
  46. Hu, H. T. (1998). “A real-time implementation of constrained estimate-maximize algorithm for single-microphone speech enhancement,” IEEE Trans. Consumer Electronics, 44(2), pp. 370-375.  [SCI: NSC86-2213-E-197-003]
  47. Hu, H. T. (1998). “Spectral compensation for linear prediction of speech signals in coloured noise,” Electron. Lett., 34(11), pp. 1080-1081.  [SCI: NSC86-2213- E-197-003]
  48. 胡懷祖、周賢興 (1998),將時間延遲類神經網路與動態規劃結合以用於國語數字之辨認,技術學刊13(1)pp. 69-76 [NSC86-2213-E-197-003]
  49. Hu, H. T. (1998). “Comb filtering of noisy speech using overlap-and-add approach,” Electron. Lett., 34(1), pp. 16-18.  [SCI: NSC86-2213-E-197-003]
  50. Hu, H. T., and Chou, H. H. (1997). “Spectral compensation for AR process degraded by white noise with unknown variance,” Journal of I-Lan Institute of Agriculture and Technology, 15, pp. 119-133.
  51. Hu, H. T., and Chou, H. H. (1997). “Determining the retardation of glottal return phase using LP residue,” Journal of I-Lan Institute of Agriculture and Technology, 14, pp. 91-104.
  52. Chou, H. H., and Hu, H. T. (1996). “Feasible feedback control for dynamic systems with highly structured uncertainties,” Journal of I-Lan Institute of Agriculture and Technology, 13, pp. 107-123.
  53. Hu, H. T., and Chou, H. H. (1996). “A scaling approach to studying voice conversion between different genders,” Computer Processing of Oriental Language, 10(1), pp. 79-95.  [NSC83-0404-E-197-001]
  54. Hu, H. T. (1996). “Noise compensation for linear prediction via orthogonal transformation,” Electron. Lett., 32(16), pp. 1444-1445.  [SCI]
  55. Hu, H. T. (1995). “Method for extracting epochal information from noisy LP residual,” Electron. Lett., 31(25), pp. 2145-2147.  [SCI]
  56. Hu, H. T. (1995). “Linear prediction using  norm in orthogonal vector space,” Electron. Lett., 31(6), pp. 430-431.  [SCI]
  57. Childers, D. G., and Hu, H. T. (1994). “Speech synthesis by glottal excited linear prediction,” J. Acoust. Soc. Am. 96(4), pp. 2026-2036.  [SCI]
  58.  
  1. 陳俊錡、胡懷祖 基於DWTDCT轉換結合自適性嵌入強度調整之QR code數位浮水印技術TANET2017–臺灣網際網路研討會,台中,October 25-27, 2017.
  2. Hwai-Tsu Hu and Yun-Hsiang Chang, “Blind Audio Watermarking by Configuring the Shape of Sorted LWT Coefficient Magnitudes in Synchronous Frames” in the 7th International Conference on Information Communication and Management (ICICM 2017), Moscow, Russia, August 28-30, 2017.
  3. 賴聖瑜、胡懷祖、陳俊錡 結合時間擴展回聲與有理抖動調變以強化音訊盲浮水印技術WCE2016 民生電子研討會,花蓮,pp. 292-295, Nov. 19, 2016.
  4. Hwai-Tsu Hu, Jieh-Ren Chang, Chun-Chi Chen and Sheng-Yu Lai, “Synchronized blind audio watermarking via multilevel DWT and windowed vector modulation” in  International Conference on IT Convergence and Security, Prague, Czech Republic, September 26-29, 2016.
  5. Ling-Yuan Hsu, Hwai-Tsu Hu and Hsien-Hsin Chou, “An effective blind image watermarking based on inter-blocks estimation and quantization index modulation” in 12th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD 2016), Changsha, China,  August 13-15, 2016.
  6. 張育榮、胡懷祖 結合類神經網路之跨區塊預測能力以及人眼視覺特性改進影像盲浮水印效能”, WCE2015 民生電子研討會,彰化, pp. CC-014, Nov. 28, 2015.
  7. Hwai-Tsu Hu,  Ling-Yuan Hsu, Sheng-Yu Lai and Yu-Jung Chang, “The use of spectral shaping to extend the capacity for DWT-based blind audio watermarking” in 5th Int. Conf. on IT Convergence and Security (ICITCS), Kuala Lumpur, Malaysia, August 24-27, 2015.
  8. 徐鈴淵、胡懷祖、張育榮 利用類神經網路之跨區塊預測能力改進影像盲浮水印效能”, WCE2014 民生電子研討會,台中,Nov. 29, pp. 423-426, 2014.
  9. Hwai-Tsu Hu, Szu-Hong Chen and Ling-Yuan Hsu, “Incorporation of Perceptually Energy-Compensated QIM into DWT-DCT Based Blind Audio Watermarking”, in 10th Int. Conf. on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP), August 27-29, Kitakyushu, Japan, 748-752, 2014.
  10. Hwai-Tsu Hu, Yu-Jung Chang, Szu-Hong Chen, “A Progressive QIM to Cope With SVD-based Blind Image Watermarking in DWT Domain,” in 2nd IEEE China Summit & International Conference on Signal and Information Processing (ChinaSIP), Xi’an, China, July 9-13, pp. 421-425, 2014.
  11. 陳思宏、胡懷祖 於低訊噪比環境下之雙參數語音活動偵測及自適應式背景噪音消除”, ETS2014第七屆電子工程技術研討會,高雄,May 23, pp. 570-573, 2014.
  12. Hwai-Tsu Hu, Ching-Hsuan Ku, Szu-Hong Chen, “Exploiting Psychoacoustic Properties to Achieve Transparent and Robust Audio Watermarking”, in International Conference on Information Science and Applications (ICISA), Pattaya, Thailand, June 24-26, pp. 305-309, 2013.
  13. 胡懷祖、黎萬群、陳思宏 結合自適應量化索引調變與支持向量機篩選功能之音訊浮水印”, WCE2013 民生電子研討會,宜蘭,Nov. 22-23, G_010_A, 2013.
  14. 辜慶軒、胡懷祖、張育榮 基於DWT-SVD-DCT轉換的浮水印嵌入技術”, WCE2013 民生電子研討會,宜蘭,Nov. 22-23, B_181_A, 2013.
  15. 范景超、胡懷祖、陳思宏、辜慶軒 運用類神經網路分析眼瞼上結膜圖譜以預估貧血狀況”, ITAMC2013資訊技術應用及管理研討會,高雄,May 31, C3-3, 2013.
  16. Hwai-Tsu Hu and Wan-Cyun Li, “A Perceptually Adaptive and Retrievable QIM Scheme for Efficient Blind Audio Watermarking”, in International Conference on Information Science and Applications (ICISA), Suwon, Korea, May 23-25, pp. 51-55, 2012.
  17. 陳威錫、胡懷祖、辜慶軒, “結合SIFT與顯著區域參數之影像浮水印嵌入法 WCE2011 民生電子研討會,台中,November 11, pp. 196-201, 2011.
  18. 黎萬群、張詠筌、胡懷祖, “依憑心理聲響模型之小波包裹自調性數位浮水印技術 2010NST 全國電信研討會, 3-4 December, No. 452, 2010.
  19. H. T. Hu, C. Yu, and C. H. Lin, “HNM Parameter Transform for Voice Conversion Using a HMM-WDLT Framework,” in 2nd International Conference on Industrial Mechatronics and Automation (ICIMA), 21-22 May, pp. 282-287, 2010.
  20. Hwai-Tsu Hu, Chu Yu, and Chih-Hang Lin, “Usefulness of the Comb Filtering Output for Voiced/Unvoiced Classification and Pitch Detection,” in International Conference on Signal Processing Systems, 15-17 May, pp. 135-139, 2009.
  21. 張維齡、胡懷祖、林至航以音框為考量之HNM分析合成技術及其於聲音修改的應用”, 第八屆離島資訊技術與應用研討會, 22-24 May, paper no. 39, 2009.
  22. 郭偉晟、胡懷祖、李昱廷, “強健性雙域數位影像浮水印,第二屆海峽兩岸信息科學與信息技術學術交流會議, 16-18 October, pp. 73-82, 2008.
  23. Chu Yu and Hwai-Tsu Hu, “A Compact Pipelined Architecture with High-Throughput for Context-Based Binary Arithmetic Coding,” in Proc. The IEEE int’l SOC Conference, 26-29 September, pp. 33-36, 2007.
  24. 周信良、胡懷祖利用群聚分佈特性改善FFT擷取指紋特徵方式2007民生電子暨信號處理研討會。15 June, pp. 474-477, 2007.
  25. Chu Yu and Hwai-Tsu Hu, “Design of an Area-Efficient ASIC Architecture for Context-Based Binary Arithmetic Coding,” in Proc. Int’l Computer Symposium on Computer Architecture, VLSI, and Embedded Systems, 4-6 December, pp.129-132, 2006.
  26. Chu Yu and Hwai-Tsu Hu, “Design and implementation of an ASIC architecture for the context-based binary arithmetic encoder,” in Proc. IEEE int’l Symposium on Consumer Electronics, 13-16 June, pp.83-86, 2005.
  1. 90年度, 低位元語音編解碼技術之研發及其解碼晶片之設計, 主持人
  2. 91年度, 提升產業技術及人才培育研究計畫-「高話質低位元率語音編解碼」晶片之設計, 主持人
  3. 91年度, 語音編碼之錯誤遮隱技術—以低位元率GELP vocoder為探究對象, 主持人
  4. 92年度, 1.6kbps GELP語音編解碼器之晶片設計與驗證, 主持人
  5. 92年度, 極低位元率語音編解碼之高效率演算法則及其硬體實現, 主持人
  6. 93年度, 參數編碼化之「文字轉語音」合成 IC 設計, 主持人
  7. 94年度, 可變聲字轉音合成器之設計及其嵌入式系統實作, 主持人
  8. 94年度, 嵌入式中文字轉語音合成系統, 主持人
  9. 96年度, 植基於HNM之變聲技術及其於字轉音之應用, 主持人
  10. 96年度, 提升產業技術及人才培育研究計畫-窄頻語音頻寬擴展技術之研發及其晶片設計, 主持人
  11. 98年度, 一種兼具強韌及高容量數位音訊浮水印之多場域架構, 主持人, 行政院國家科學委員會
  1. Altera 2006 年 Nios 嵌入式處理器設計大賽, 中:盲人資訊導覽語音系統 英: Blind Information Guiding System with Voice supported (BIGS), 通過初賽入圍, 王慕群、林至航