Education
- Ph. D. in Department of Electrical Engineering, University of Maryland, Baltimore, USA, 2000/05
- M. S. in Department of Electrical Engineering, University of Maryland, Baltimore, USA, 1998/06
- B. S. in Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, 1994/06
Experience
- Associate Professor, 2007/08-now, Center for Space and Remote Sensing Research, National Central University, Taoyuan, Taiwan
- Assistant Professor, 2003/08-2007/07, Center for Space and Remote Sensing Research, National Central University, Taoyuan, Taiwan
- Research Fellow, 2000/09-2003/07 , Aberdeen Proving Ground, United States National Academy of Sciences
- Teaching Assistant, 1997/09-1997/12, Electrical Engineering, University of Maryland, Baltimore County
- Research Assistant, 1997/06-2000/08, Electrical Engineering, University of Maryland, Baltimore County
Academic Honer
- Visiting scholar to Thai Nguyen University of Agriculture and Forestry
- Aug 19-Sep 2, 2017 offer course in “Special Topics on Digital Image Processing for Remote Sensing”
- Seminar on Aug 30, 2017 with title “Multispectral Remote Sensing Images for Water Depth Estimation and Landslide Detection”
Journal Conference Writings
» Journal Papers
2006 (1 papers)
- H. Ren, Q. Du, J. Wang, C.-I Chang, J.O. Jensen, J.L. Jensen, “Automatic Target Recognition for Hyperspectral Imagery Using High Order Statistics,” IEEE Trans. Aerospace and Electronic Systems, October 2006. (SCI, EI)
2005 (1 papers)
- A. Ben-David and H. Ren, “Comparison between orthogonal subspace projection and background subtraction techniques applied to remote-sensing data,” Applied Optics, vol. 44, no. 18, pp.3846-3855, June 2005. (SCI, EI)
2004 (3 papers)
- C.-I Chang, H. Ren, C.C. Chang, F. D’Amico and J.O. Jensen, “Estimation of Subpixel Target Size Remotely Sensed Imagery,” IEEE Trans. Geoscience and Remote Sensing, vol. 42, no. 6, pp. 1309-1320, June, 2004. (SCI, EI)
- Y.Z. Du, C.-I Chang, H. Ren, C.-C. Chang, J. O. Jensen, and F. M. D'Amico, “New hyperspectral discrimination measure for spectral characterization,”Optical Engineering, Vol. 43, no. 8, pp. 1777-1786, August 2004. (SCI, EI)
- Y.L. Chang, C.C. Han, H. Ren, C.T. Chen, K.S. Chen and K.C. Fan, “Data Fusion of Hyperspectral and SAR Images,” Optical Engineering, Vol. 43, no. 8, pp. 1787-1797, August 2004. (SCI, EI)
2003 (2 papers)
- A. Ben-David and H. Ren, “Identification Detection and Estimation of Aerosols and Vapors with Fourier Transform Infrared Spectrometer,” Applied Optics, vol. 42, no. 24, pp.4887-4900, August 2003. (SCI, EI)
- H. Ren and C.-I Chang, “Automatic Target Recognition in Hyperspectral Imagery,” IEEE Trans. Aerospace and Electronic Systems, vol. 39, no. 4, pp. 1232-1249, October 2003. (SCI, EI)
» Conference Papers
2006 (6 papers)
- H. Ren, ¡§A New 3-Dimensional Receiver Operating Characteristic Curve for Detection Performance Analysis,¡¨ SPIE Defense and Security Symposium, April 17-21, 2006, Orlando, Florida, USA. (EI)
- H. Ren and Y.L. Chang, ¡§Multispectral subpixel detection using least square unmixing,¡¨ IGARSS, July 31- Aug 4, 2006, Denver, Colorado, USA. (EI)
- H.T. Chen and H. Ren, ¡§Performance Analysis for RX Algorithm in Hyperspectral Remotely Sensed Images,¡¨ SPIE Optics and Photonics, Aug 13-17, 2006, San Diego, California, USA.
- C.W. Chen and H. Ren, ¡§The Estimation of Noise Covariance Matrix in Hyperspectral Remotely Sensed Images,¡¨ SPIE Optics and Photonics, Aug 13-17, 2006, San Diego, California, USA.
- H. Ren, ¡§Relative Radiometric Calibration for Multispectral and Hyperspectral Remote Sensing Imagery,¡¨ SPIE Optics East, October 1- 4, 2006, Boston, Massachusetts, USA.
- H. Ren, J.P. Fang and Y.L. Chang, ¡§Signature Reduction Methods for Target Detection in Multispectral Remote Sensing Imagery,¡¨ SPIE Optics East, October 1- 4, 2006, Boston, Massachusetts, USA.
2005 (7 papers)
- H.M. Kao, C.P. Chang, H. Ren, J.Y. Yen, T.H. Lin, C.S. Lee and S.K. Hsu, ¡§Determination of shallow water depth between Isles by using Optical Satellite Images,¡¨ 2005 Taiwan Strait Remote Sensing Conference,, August 15-20, Yunnan, 2005.
- H. Ren, T.H. Wei, K.C. Fan, ¡§Comparison of Noise Estimation Methodsfor Hyperspectral Remotely Sensed Images,¡¨ 2005 Taiwan Strait Remote Sensing Conference,, August 15-20, Yunnan, 2005.
- H. Ren, H.T. Chen, C.W. Chen, ¡§Noise Whitened Anomaly Detection for Hyperspectral Remotely Sensed Images,¡¨ 2005 Taiwan Strait Remote Sensing Conference, August 15-20, Yunnan, 2005.
- H. Ren, C.W. Chen and H.T. Chen, ¡§Weighted Anomaly Detection for Hyperspectral Remotely Sensed Images,¡¨ Optics East 2005, October 24-27, 2005, Boston, MA, USA. (EI)
- H. Ren and Y.L. Chang, ¡§Feature Extraction with Modified Fisher's Linear Discriminant Analysis,¡¨ Optics East 2005, October 24-27, 2005, Boston, MA, USA. (EI)
- H.M. Kao, H. Ren, C.S. Lee, C.P. Chang and J.Y. Yen, ¡§Acquisition of shallow water information in Itu-Aba island by optical satellite images,¡¨ Geodynamics and Environment in East Asia International Conference and 5th Taiwan-France Earth Science Symposium, November 24-29, 2005, Taitung, Taiwan.
- H. Ren, ¡§Multispectral subpixel endmember detection using least square approach,¡¨ Geodynamics and Environment in East Asia International Conference and 5th Taiwan-France Earth Science Symposium, November 24-29, 2005, Taitung, Taiwan.
2004 (14 papers)
- H. Ren, C. Lin, C.-I Chang, ¡§Subpixel Land Covers Detection and Classification for Hyperspectral Imagery,¡¨ SPIE Optics East, October 27-30, 2003, Providence, RI, USA. Proceeding of SPIE, v 5286, pp 282-287, 2004. (EI)
- H. Ren, J. Jensen, W. Loerop, ¡§Pyrolysis Gas-Chromatography Ion-Mobility Spectrometry Data Analysis for Chemical Detection in Water Monitoring,¡¨ SPIE Optics East, October 27-30, 2003, Providence, RI, USA. Proceeding of SPIE, v 5269, pp 126-131, 2004. (EI)
- Y.L. Chang and H. Ren, ¡§A greedy modular eigenspace-based band selection approach for hyperspectral imagery,¡¨ SPIE Annual Meeting 2004, August 2-6, 2004, Denver, Colorado, USA. Proceeding of SPIE, v 5546, pp. 406-415, 2004. (EI)
- H. Ren, ¡§Least square approach for subpixel target detection on multispectral remotely sensed imagery,¡¨ SPIE Annual Meeting 2004, August 2-6, 2004, Denver, Colorado, USA.
- H. Ren, T.H. Wei and C.H. Hung, ¡§Comparison of Weighted Least Square Approaches for Remotely Sensed Imagery,¡¨ CVGIP 2004, August 15-17, 2004, Hua-Lien, Taiwan.
- H. Ren, ¡§Comparison of Constrained Weighted Least Square Algorithms for Hyperspectral Imagery,¡¨ IGARSS 2004, September 20-24, 2004, Anchorage, Alaska, USA.
- M.K. Hsueh, A. Plaza, J. Wang, S. Wang, W.M. Liu, H. Ren, C.-I Chang, J. L. Jensen, J. O. Jensen, M.A. Odom, R. Hydutsky, H. Knapp and R. Yin,¡¨ Morphological Algorithms for Processing Tickets by Hand Held Assay,¡¨ SPIE Optics East, October 25-28, 2004, Philadelphia, PA, USA. Proceeding of SPIE, v 5584, pp. 221-229, 2004. (EI)
- H. Ren, ¡§Automatic subpixel target detection for multispectral remotely sensed imagery,¡¨ SPIE Optics East, October 25-28, 2004, Philadelphia, PA, USA. Proceeding of SPIE, v 5584, pp. 194-201, 2004. (EI)
- Q. Du and H. Ren, ¡§On the performance of CEM and TCIMF,¡¨ SPIE Defense and Security Symposium, March 28- April 1, 2005, Orlando, FL, USA. Proceeding of SPIE, v 5806, pp. 861-868, 2004. (EI)
- R. Bharath, J. Wang, C.-I Chang, A. Plaza, H. Ren, C.C. Chang, J.L. Jensen and J. O. Jensen, ¡§Spectral/spatial hyperspectral image compression in conjunction with virtual dimensionality,¡¨ SPIE Defense and Security Symposium, March 28- April 1, 2005, Orlando, FL, USA. Proceeding of SPIE, v 5806, pp. 772-781, 2004. (EI)
- H. Ren and J. Wang, ¡§Background Whitened Target Detection Algorithm for Hyperspectral Imagery,¡¨ SPIE Defense and Security Symposium, March 28- April 1, 2005, Orlando, FL, USA. Proceeding of SPIE, v 5806, pp. 511-518, 2004. (EI)
- Y.L. Chang and H. Ren, ¡§Three Dimensional Correlation Matrix Feature Extration Technique for Hyperspectral Images,¡¨ CVGIP 2005, August 21-23, 2004, Taipei, Taiwan.
- Y.L. Chang and H. Ren, ¡§A Complete Modular Eigenspace Feature Extraction Technique for Hyperspectral Images,¡¨ IGARSS 2005, July 25-29, 2004, Korea. (EI)
- H. Ren and Y.L. Chang, ¡§Error Analysis for Band Generation Process in Generalized Orthogonal Subspace Projection,¡¨ IGARSS 2005, July 25-29, 2004, Korea. (EI)
2003 (4 papers)
- Z. Sun, C.-I Chang, H. Ren, Q. Du, F.M. D¡¦Amico, J.O. Jensen, ¡§Least-squares approach to fully constrained linear spectral mixture analysis using linear inequality constraints,¡¨ SPIE Annual Meeting 2003, August 3-8, 2003, San Diego, California. Proceeding of SPIE, v 5159, pp. 349-360, 2004. (EI)
- C.-I Chang, H. Ren, M.K. Hsueh, Q. Du, F.M. D¡¦Amico and J. O. Jensen, ¡§A Revisit to Target-Constrained Interference Minimized Filter (TCIMF),¡¨ SPIE Annual Meeting 2003, August 3-8, 2003, San Diego, California. Proceeding of SPIE, v 5159, pp. 339-348, 2004. (EI)
- H. Ren, Q. Du, C.-I Chang, J.O. Jensen, ¡§Comparison between constrained energy minimization based approaches for hyperspectral imagery,¡¨ IEEE workshop on Advances in Techniques for Analysis of Remotely Sensed Data, October 27-28, 2003, Washington, DC.
- B.Ajit, H. Ren, J.O. Jensen, ¡§Extended-Linear Hyperspectral Mixing Models,¡¨ SPIE Optics East, October 27-30, 2003, Providence, RI, USA, vol. 5268, pp. 288-301. (EI)
0 (1 papers)
- H. Ren and Y. L. Chang, ¡§Unsupervised least square unmixing approach for subpixel target detection on multispectral remotely sensed imagery,¡¨ Conference of AASRC, December 10, Jhongli, Taiwan.
» Other writings
- B. Ramakrishna, A. J. Plaza, C.-I Chang, H. Ren, Q. Du, C.C. Chang, “Spectral/Spatial Hyperspectral Image Compression”, Hyperspectral Data Compression, edited by G. Motta and J. Storer, Springer-Verlag.
- H. Ren, “Anomaly detection in hyperspectral imagery: Second and higher-order statistics-based algorithms”, Recent Advances in Hyperspectral Signal and Image Processing, edited by C-I. Chang, Transworld Research Network.
Research Plan
Year |
Plan |
Duty |
Consignor |
104 |
104年度SARPolametric Scattering from Natural Terrains 第三期款 |
主持人 |
美國空軍科學技術局 |
104 |
104年度食物混合光譜Unmixing策略建立 |
主持人 |
工業技術研究院 |
104 |
104年度食物混合光譜Unmixing方法建立 |
主持人 |
工業技術研究院 |
104 |
104年度多重反射非線性混合模型於粗糙表面之分解 |
主持人 |
科技部 |
103 |
103年度遙測影像運用於東沙環礁棲地變遷及圖譜建置之研究 |
主持人 |
海洋國家公園管理處 |
103 |
103年度總體經驗模式分解法在遙測訊號之分析 |
主持人 |
科技部 |
103 |
103年度SAR Polametric Scattering from Natural Terrains_第二期款 |
主持人 |
美國空軍科學技術局 |
101 |
101年度全頻譜影像擬真度辨識研究 |
主持人 |
中科院 |
101 |
101年度國際科學實驗衛星(RISE-Sat):高精度光學望遠鏡及同步多色成像系統研製 |
主持人 |
國科會 |
100 |
100年度影像輻射與幾何校正軟體開發 |
主持人 |
中研院 |
100 |
100年度極端氣候下可能產生之坡地崩塌潛勢評估與預警全天候高效能遙測資源平台構建-總計畫暨子計畫:遙 |
主持人 |
國科會 |
99 |
99年度遙測影像對土石流監測之山區陰影消除 |
主持人 |
國科會 |
98 |
98年度遙測影像應用於禮樂煉銅廠海域監測 |
主持人 |
國科會 |
96 |
96年度多高光譜遙測影像之相對輻射校正 |
主持人 |
國科會 |