Omer's CV

Curriculum Vitae

Ömer Nezih Gerek

Anadolu University
Department of Electrical Engineering
TR-26470 Eskisehir, Turkey
Phone:(++90) (222) 321 3550 / 6456
Fax:(++90) (222) 323 9501
E-mail: ongerek@anadolu.edu.tr

Personal Data:

Nationality: Turkish
Date of Birth: March 29, 1969
Place of Birth: Eskisehir, Turkey.

Education:

Ph.D.: Dept. of Electrical and Electronics Engineering (Oct. 1998), Bilkent University
M.Sc.: Dept. of Electrical and Electronics Engineering (July 1993), Bilkent University
B.Sc.: Electrical Engineering with Honors, Bilkent University (1991), Ankara.

Professional Experience:

Dec. 1999 - Present: Assistant Professor in Anadolu University, Turkey.
Oct. 1998 - Oct. 1999: Post-doc researcher in EPFL, Switzerland
Sept. 1991 - 1998: Research Assistant, Bilkent University
Sept. 1994 - Feb. 1995: Visiting Researcher, University of Minnesota, USA.

Research Interests:

Image Processing and its Application to Image Coding and Compression, Audio-Visual Information Management Systems, and recently, video processing applications.

Participated Research Grants:

`Audio-visual information management systems' (with A. H. Tewfik of University of Minnesota and A. E. Çetin of Bilkent University), National Science Foundation (NSF), USA, $34000, July 1993-June 1996.
`EUREKA-625: VADIS Video-Audio digital interactive system,' TUBITAK, 1992- May 1995 (700 000 M TL for 1994).
`RAGARIS,' Radiological Picture Archiving Project,
Turkey, $1.000.000, 1996-1998.
`SmartCam': CTI funded project with Logitech.
`Octalis': Started 1997, ACTS project (AC242).
The main purpose is the design of key mechanisms for a secure multimedia information access over various networks (Internet or broadcast).
`Automated Target Detection and Tracking': Aselsan/Tubitak/Bilkent (1999-present).
Alçak ve Yüksek Gerilim Sinyallerinin Analizi, Anadolu Üniversitesi AU-000212, Proje yardimci yöneticisi, 2000 -.
‘Yüz Resim Arsivleri için Görüntü Sikistirma’, Anadolu University Research Fund Contract: 030263, Proje yoneticisi, 2004-.

Professional Activities:

Member: IEEE (S. 1991, M. 1998).
Reviewer: IEEE-S.P. Society.

Languages:

'Turkish' : Native language
'English' : High level of written and spoken
'French' : Beginner

Technical Skills:

High level experience in C, C++ and PASCAL programming languages.
Experience in programming languages on UNIX, DOS and MS-WINDOWS environments.
Strong background in Digital Signal Processing and Waveform Coding.
Strong background in Multimedia and Audio-Visual Signal Coding.
High level experience in MATLAB Package.
Experience in microprocessor based system design.

Journal Publications:

A. Enis Çetin, Ömer N. Gerek, Sennur Ulukus, `Block Wavelet Transforms for Image Coding,' IEEE Trans. Circuits and Systems for Video Technology, Vol. 3, No. 6, pp. 433-435, Dec. 1993.
S. H. Oguz, Ö. N. Gerek, A. E. Çetin, `Motion companseted coding of Medical image sequences,' Signal Processing: Image Communications, Vol. 7, No. 3, pp. 225-230, Sep. 1995.
A. Enis Çetin, Ömer N. Gerek, Yasemin Yardimci `Equiripple FIR filter design by the FFT algorithm,' IEEE Signal Processing Magazine, Vol. 14, No. 2, pp.60-64, March 1997.
Ömer N. Gerek, M. Nafi Gürcan, A. Enis Çetin, `Frequency Band Characteristics of Tree-Structured Filter Banks,' Electronics Letters, Vol 32, No 8, pp.724-726, 11 Apr. 1996.
M. Nafi Gürcan, Ömer N. Gerek, A. Enis Çetin, `Nonlinear Subband Decomposition structures in GF-(N) Arithmetic,' Signal Processing, Vol. 64, No. 2, pp. 209-213, Feb. 1998.
Ömer N. Gerek, A. Enis Çetin, `Polyphase adaptive filter banks for fingerprint image compression', Electronics Letters, Vol. 34, No 20, pp. 1931-1932, 1 Oct. 1998
Ömer N. Gerek, A. Enis Çetin, `Subband Domain Coding of Binary Textual Images for Document Archiving,' IEEE Trans. on Image Processing, Vol. 8, No. 10, pp.1438-1446, Oct. 1999.
A. Enis Çetin, Ömer N. Gerek, Ahmed H. Tewfik, "The Topkapi Palace Museum," Museum International - UNESCO, No:1, pp.22-25, Jan. 2000.
Ömer N. Gerek, A. Enis Çetin, `Adaptive Polyphase Subband Decomposition Structures for Image Compression,' IEEE Trans. on Image Processing, Vol. 9, No. 10, pp.1649-1660, October 2000.
Rusen Öktem, A. Enis Cetin, Ömer N. Gerek, Levent Öktem, Karen Egiazarian, "Lossless image compression by LMS adaptive filter banks," Signal Processing Fast Communication, Vol. 81, No. 2, pp.447-450, Feb. 2001.
Ömer Nezih Gerek, Dogan Gökhan Ece, ‘‘2D Analysis and Compression of Power Quality Event Data,’’ IEEE Trans. on Power Delivery, Vol. 19, No. 2, pp.791-798, April 2004.
Ömer N. Gerek, Hatice Çinar, "Segmentation based coding of human face images for retrieval," Signal Processing, Vol. 84, No. 6, pp.1041-1047, June 2004.
Dogan Gökhan Ece and Ömer Nezih Gerek, "Power Quality Event Detection Using Joint 2-D-Wavelet Subspaces," IEEE Trans. on Instrumentation and Measurement, Vol.53, No.4, pp.1040-1046, Aug. 2004.
Gerek, Ö. N. and Ece, D. G., “An Adaptive Statistical Method for Power Quality Analysis,” IEEE Trans. on Instrumentation and Measurement, Vol. 54, No.1, pp.184-191, Feb. 2005.
E. Germen, D.G. Ece, Ö.N. Gerek, “Self Organizing Map (SOM) Approach for Classification of Power Quality Events,” ICANN 2005, Lecture Notes in Computer Science , Vol.3696, pp. 403 – 408, 2005.
Ö.N. Gerek, A.E. Çetin, “A 2-D Orientation Adaptive Prediction Filter in Lifting Structures for Image Coding,” IEEE Trans. on Image Processing , Vol. 15, No. 1, pp.106-111, Jan. 2006.
Ö.N. Gerek, D.G. Ece, "Power-Quality Event Analysis Using Higher Order Cumulants and Quadratic Classifiers," IEEE Trans. on Power Delivery, Vol. 21, No. 2, pp.883-889, April 2006.
S. Günal, S. Ergin, M.B. Gülmezoğlu, Ö.N. Gerek, “On Feature Extraction for Spam E-Mail Detection,” MCRCS2006, Lecture Notes in Computer Science, Vol.4105, pp.635–642, Sep. 2006.
Ö.N. Gerek, D.G. Ece, A. Barkana, "Covariance Analysis of Voltage Waveform Signature for Power-Quality Event Classification," IEEE Trans. Power Delivery, Vol.21, No.4, pp.2022-2031, Oct. 2006.
Ö.N. Gerek and A.E. Çetin, "An Edge-Sensing Predictor in Wavelet Lifting Structures for Lossless Image Coding," EURASIP Journal on Image and Video Processing, Vol. 2007(1), ID 19313, 05/01/2007
F. Onur Hocaoglu, O. Nezih Gerek, Mehmet Kurban, "A Novel 2-D Model Approach for the Prediction of Hourly Solar Radiation," Springer Lecture Notes in Computer Science, in IWANN2007, No: 4507, pp: 749-756, 2007., 20/07/2007
Emin Germen, D. Gokhan Ece, and Omer Nezih Gerek, "Self Organizing Map (SOM) Approach for Classification of Mechanical Faults in Induction Motors," Springer Lecture Notes in Computer Science, in IWANN2007, No: 4507, pp: 749-756, 2007., 20/07/2007
Ömer Nezih Gerek, Dog˜an Gökhan Ece, "Compression of power quality event data using 2D representation," Electric Power Systems Research, Vol. 78, No. 6, pp. 1047 - 1052, June 2008.
Fatih Onur Hocaoğlu, Ömer Nezih Gerek, Mehmet Kurban, "Hourly solar radiation forecasting using optimal coefficient 2-D linear filters and feed-forward neural networks," SOLAR ENERGY, Vol: 82, No: 8, pp: 714-726, 2008.
Fatih Onur Hocaoğlu, Ömer Nezih Gerek, Mehmet Kurban, "Novel Models for Hourly Solar Radiation Using a 2-D Approach,” International Journal of Innovative Computing, Information and Control (IJCIC), Vol. 5, No. 4, April 2009 (Special Issue on Recent Advances on Brain-Inspired Innovative Computing).
Dogan Gökhan Ece, Ömer Nezih Gerek, "A power quality analysis scheme using adaptive subband decomposition," European Transactions on Electrical Power, Vol. 19 No. 3, pp. 499 - 508, April 2009.
Fatih Onur Hocaoğlu, Mehmet Fidan, Ömer Nezih Gerek, "Mycielski approach for wind speed prediction,” Energy Conversion and Management, Vol. 50, pp. 1436-1443, April 2009.
Serkan Gunal, Ömer Nezih Gerek, Dogan Gökhan Ece, Rifat Edizkan, "The Search for Optimal Feature Set in Power Quality Event Classification ".Expert Systems with Applications, doi:10.1016/j.eswa.2009.01.051, Vol.36, No.7, pp. 10266 – 10273, 2009.

Conference Proceedings

A. Enis Çetin, Sennur Ulukus, Ömer N. Gerek, 'Signal recovery from Block Wavelet Transform,' Wavelets and Applications Conference, pp.195, June 1992, Toulouse, France.
Ömer N. Gerek, A. Enis Çetin, 'A multiresolution block coding method for visualization of compressed images in multimedia applications,' SPIE's VCIP '94, Vol. 2308, part 2, pp. 954-962, 25-28 Sep. 1994, Chicago, IL, USA.
Bin Zhu, Ahmed H. Tewfik, and Ömer N. Gerek, 'Image Coding with Mixed Representations and Visual Masking,' Proc. IEEE Int'l. Conf. on ASSP., ICASSP'95, Vol. 4, pp.2327-2330, May 9-12 1995, Detroit, MI, USA.
Bin Zhu, Ahmed H. Tewfik, and Ömer N. Gerek, 'Low Bit Rate Near-Transparent Image Coding,' SPIE Vol. 2491, Wavelet Applications II, Vol. 2491/1, pp. 173-184, Orlando, FL, USA, 1995.
Bin Zhu, Ahmed H. Tewfik, Ömer N. Gerek, A. Enis Çetin and Mark A. Colestock, 'Image Coding with wavelet representations, edge information and visual masking,' IEEE International Conference on Image Processing, ICIP '95, Vol. 1, pp.582-585, Oct 23-26 1995, Washington, DC, USA.
Ömer N. Gerek, A. Enis Çetin, ``Wavelet domain textual coding of Ottoman script images,'' Proceedings of SPIE's VCIP '96, Vol. 2727/2, pp. 568-578, 17-20 Mar. 1996, Orlando, FL, USA.
Ömer N. Gerek, A. Enis Çetin, Ahmed Tewfik, ``Subband coding of binary textual images for document retrieval,'' IEEE Int. Conf. on Image Processing, ICIP'96, Vol II, pp. 899-902, Lausanne, Switzerland 16-19 Sep. 1996. [2]
Ömer N. Gerek, M. Nafi Gürcan, A. Enis Çetin, ``Binary Morphological Subband Decomposition For Image Coding,'' IEEE Int. Symp. on Time-Frequency and Time Scale Analyis, pp.357-260, Jun 18-21, 1996, Paris, France.
Metin Nafi Gürcan, Ömer N. Gerek, A. Enis Çetin, ``A Morphological Subband Decomposition Structure Using GF(n) Arithmetic,'' IEEE Int. Conf. on Image Processing, ICIP'96, Vol I, pp. 253-256, Lausanne, Switzerland 16-19 Sep. 1996.[2]
Ömer N. Gerek, Yücel Altunbasak, ``Key frame detection from MPEG video data,'' IS&T/SPIE Visual Comm. Image Proc., VCIP'97, vol. 3024, part. 2, pp.
920-925, San Jose, CA, 12-14 Feb. 1997.
Ömer N. Gerek, A. Enis Çetin, ''Binary ninlinear subband decomposition structures for textual image compression,'' NSIP'97, Mackinac Island, Michigan, USA, September 1997.
Ömer N. Gerek, A. Enis Çetin, ``Coding of Fingerprint Images Using Binary Subband Decomposition and Vector Quantization,'' IS&T/SPIE Symp. on Electronic Imaging Science and Technology, VCIP'98, Vol. 3309, No. 2, pp.1072-1079, San Jose, CA, USA, Jan 28-30, 1998.
Ömer N. Gerek, A. Enis Çetin, ``Linear/Nonlinear Adaptive Polyphase Subband Decomposition Structures for Image Compression'' Proc. IEEE Int'l. Conf. on ASSP., ICASSP'98, Vol. 3, pp.1345-1348, Seattle, WA, USA, May 12-15, 1998.
Ömer N. Gerek, A. Enis Çetin, ``Polyphase Adaptive Filter Banks for Subband Decomposition,'' IEEE Int'l. Symp. on Circuits and Systems, ISCAS'98, Monterey, CA, USA, May 31 - June 3, 1998.
Ömer N. Gerek, A. Enis Çetin, ``Polyphase Adaptive Filter Banks for Fingerprint Image Compression,'' Proc. EURASIP Int'l Conf. on Signal Proc., EUSIPCO'98, Vol. 1, pp.45-49, Isle of Rhodes, Greece, September, 1998.
Emrullah Durucan, Ömer N. Gerek, and Ömer N. Gerek, "Change detection with automatic reference frame update and key frame detector," Proc. IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), Vol. 1, pp.57-60, Antalya, Turkey, 20-23 June, 1999.
Pierre Vandergheynst and Ömer N. Gerek, "Nonlinear pyramidal image decomposition based on local contrast parameters," Proc. IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing (NSIP'99), Vol. 2, pp.770-773, Antalya, Turkey, 20-23 June, 1999.
Ömer N. Gerek and M. Fatih Erden, "The Discrete Fractional Cosine Transform," Proc. IEEE Balkan Conference on Signal Processing, Communications, Circuits, and Systems, Istanbul, Turkey, June 2-3, 2000.
Rusen Oktem, Ömer N. Gerek, K. Egiazarian, A. Enis Cetin, "Adaptive filterbanks for lossless image coding," Proc. IEEE Balkan Conference on Signal Processing, Communications, Circuits, and Systems, Istanbul, Turkey, June 2-3, 2000.
Rusen Oktem, Ömer N. Gerek, A. Enis Cetin, "Adaptive Filter Banks for Lossless Image Compression," IEEE Int'l. Conf. on ASSP., (ICASSP'2001), Vol. 3, pp.1809-1812, Salt Lake City, Utah, USA, May 7-11, 2001.
S. Gezici; I. Yilmaz, O. Gerek , E. Cetin, "Image Denoising using Adaptive Subband Decomposition," 2001 Int'l. Conf. on Image Proc. (ICIP'01), Vol. 1, pp.261-264, Thessaloniki, Greece, Oct. 7-10, 2001.
Ö. N. Gerek, H. G. Senel, "A Topological Approach to Segmentation of Microcalcifications in Digital Mammograms," ISCIS XVI
Sixteenth International Symposium On Computer and Information Sciences, Antalya, Turkey, November 5-7, 2001.
Gerek, Ö. N. and Ece, D. G., “Power Quality Event Detection Using Joint 2D-Wavelet Subspaces,” Proc. IMTC2003 IEEE Instrumentation and Measurement Technology Conference, Vol. 2, p 1460-1464,Vail, CO, USA, May 20-22, 2003.
D. Gökhan Ece and Gerek, Ö. N., “Power Quality Analysis Using An Adaptive Decomposition Structure,” Proc. IPST 2003 International Conference on Power System Transients, Sep. 28 - Nov. 2, 2003, New Orleans, USA.
Gerek, Ö. N. and Ece, D. G., “A 2D Representation for Analysis and Coding of Power Quality Events,” Proc. IEEE International Conference on Image Processing ICIP2003, Barcelona, Spain, 14-17 Sep, 2003.
Semih Ergin, Serkan Günal, Ömer Nezih Gerek, “Spam e-mail recognition by subspace analysis,” Proc. INISTA 2005, Istanbul, 2005.
Ö.N. Gerek, A.E. Çetin, “Lossless Image Compression Using an Edge Adapted Lifting Predictor,” Proc. IEEE International Conference on Image Processing ICIP2005 , Genova, 2005.
M. Fidan, Ö.N. Gerek, "A time improvement over the Mycielski algorithm for predictive signal coding: Mycielski-78," Proc. 14th European Signal Processing Conference EUSIPCO 2006, Florence, Sep. 2006.
C. Topal, Ö.N. Gerek, "Pdf sharpening for multichannel predictive coders," Proc. 14th European Signal Processing Conference EUSIPCO 2006, Florence, Sep. 2006.
Ö.N. Gerek, D.G. Ece, A. Barkana, “Voltage Waveform Pattern Selection for Power Quality Event Classiﬁcation,” Instrumentation and Measurement Technology Conference – IMTC’2007, Warsaw, Poland, 1-3 May 2007.
Hocaoglu, F. O., Gerek, O. N., Kurban, M., “Solar Radiation Data Modelling with a Novel Surface Fitting Approach”, ICONIP07 Conference Proceedings, Japan, 13-16 Nov. 2007.
C. Topal and O. N. Gerek, "A Novel Lossless Image Compression Approach: Cooperative Prediction", Picture Coding Symposium'2007, Lisbon, Portugal, 7-9 Nov.2007.
Doğan M., Gerek Ö.N., "Subband Decomposition Filter Bank Design from the Inverse Block Wavelet Transform Using LMS Optimization", IWW 2008, International Workshop III: Mini Symposium on Applications of Wavelets to Real World Problems, Istanbul, Turkey, 28/05/2008.
Cihan Topal, Ömer Nezih Gerek and Atakan Doğan, "A HEAD-MOUNTED SENSOR-BASED EYE TRACKING DEVICE: EYE TOUCH SYSTEM", ETRA-2008: Eye Tracking Research & Applications, 26-28 March, 2008, 26/03/2008
Cihan Topal, Atakan Doğan and Ömer Nezih Gerek, “A wearable head-mounted sensor-based apparatus for eye tracking applications,” IEEE Conference on Virtual Environments, Human-Computer Interfaces and Measurement Systems, 2008. VECIMS 2008. 14-16 July 2008 Page(s):136 – 139.
Doğan M., Gerek Ö.N., "Performance Analysis of QMF Filters Obtained by the Inverse Block Wavelet Transform", IKECCO 2008, International Conference on Electronics and Computer, Bishkek, Kyrgyzstan, 31/10/2008.
Görgülü Ş., Gerek Ö.N., "A face detection, compression and archival system", IKECCO 2008, International Conference on Electronics and Computer, Bishkek, Kyrgyzstan, 31/10/2008.
Görgülü Ş, Telçceken S., Gerek Ö.N., "Lifting based video coding using motion compensation", IKECCO 2008, International Conference on Electronics and Computer, Bishkek, Kyrgyzstan, 31/10/2008.

Publications in Turkish

Ömer N. Gerek, A. Enis Çetin, 'Kisisel bilgisayar kullanarak tibbi görüntü isleme istasyonu tasarimi

,' 1. Sinyal Isleme ve uygulamalari kurultayi, sayfa 220, Istanbul, Nisan 1993.
-"Design and implementation of a PC based medical image workstation."

Chapters in Edited Books