RESEARCH
INTERESTS
E-mail: bulent.sankur
Link to Image and Video Processing Group
Link to FP6 project SIMILAR
Link to Dictionary
Link to
Hand
Biometry
SELECTED
PUBLICATIONS
(Security, Biometry, Image
and Video Processing, Digital Signal Processing, Communications and
Networks)
Security: Watermarking, Steganalysis and Hashing
Ø O. Çeliktutan, B. Sankur, I. Avcıbaş, Blind
Identification of Source Cell-phone Model, IEEE Trans. Information Security and
Forensics, 2008 (to appear).
Ø H.M. Meral, E. Sevinç, B. Sankur, A. S. Özsoy, T. Güngör, Natural Language Watermarking via Morphosyntactic Alterations, Computer Speech and Language, 23, 107-125, 2009.
Ø Hasan M. Meral, Emre Sevinç,
Ersin Ünkar, Bülent Sankur, A. Sumru Özsoy, Tunga Güngör, Syntactic
tools for text watermarking, 19th SPIE
Electronic Imaging Conf. 6505: Security, Steganography, and
Watermarking of Multimedia Contents, Jan. 2007, San Jose.
Ø O. Çeliktutan, B. Sankur, I.
Avcıbaş, Blind
Identification of Cellular Phone Cameras, 19th SPIE
Electronic Imaging Conf. 6505: Security, Steganography, and
Watermarking of Multimedia Contents, Jan. 2007, San Jose.
Ø C G. Coatrieux, L. Lecornu, Ch.
Roux, B. Sankur, A
Review of Image Watermarking Applications in Healthcare,
EMBC’2006:
IEEE Int. Conference on Engineering in Medicine and Biology, September
2006, New York.
Ø Sevinç Bayram, Ismail Avcıbaş,
Bülent Sankur, Nasir Memon, Image
Manipulation Detection, Journal of
Electronic Imaging, 15(4), Oct-Dec. 2006.
Ø H. Ozer, B. Sankur, N.
Memon, I. Avcıbaş, Detection
of Audio
Covert Channels using Statistical Footprints of Hidden Messages,
Digital
Signal
Processing, (in press), 2006.
Ø I. Avcibas, M.
Kharrazi,
N. Memon, B. Sankur, Image Steganalysis with Binary
Similarity Measures,
EURASIP Journal on Applied Signal Processing, 17, 2749–2757,
2005.
Ø B. Coskun, B.
Sankur, N.
Memon, Spatio-Temporal Transform-Based
Video Hashing,
IEEE Trans. on Multimedia, 8(6), 1190-1208, 2006.
Ø H. Özer, B. Sankur, N.
Memon, E. Anarım, Perceptual Audio Hashing Functions,
EURASIP
Journal on Applied Signal Processing 2005:12, 1–14.
Ø Bastug, B. Sankur, Improving the Payload of
Watermarking Channels via
LDPC Coding, IEEE Signal Proc. Letters,
11(2), 90-92,
February 2004.
Ø H. Ozer, B. Sankur, N. Memon, An SVD Based Audio Watermarking
Technique, ACM Workshop on Multimedia and Security, August
1-2, 2005, New York.
Ø O.
Ekici, B. Sankur, B. Coskun, U. Naci, M. Akcay, Comparative Assessment of
Semifragile Watermarking
Methods, Journal of
Electronic Imaging, 13(1), 209-216,
January 2004.
Ø I. Avcibas, B. Sankur, N. Memon, Steganalysis of Watermarking and Steganographic Techniques Using Image Quality Metrics, IEEE Trans. on Image Processing, 12(2), 21-229, 2003.
Ø S. Baudry,
J.F. Delaigle, B. Sankur, B. Macq, H. Maitre, Analyses of Error Correction
Strategies for Typical
Communication Channels in Watermarking, Signal
Processing, 81(6), 1239-1250,
June 2001 .
Ø S. Zinger, Z. Jin, H. Maitre, B. Sankur, Optimization of Watermarking Performances Using Error Correcting Codes and Repetition, CMS’2001: Communications and Multimedia Security, May 2001, 229-240, Darmsadt, Germany.
Ø C.
Coatrieux, H.
Maitre, B. Sankur, Y. Rolland, R.
Collorec, Relevance of Watermarking in
Medical Imaging,
2000 IEEE EMBS Conf. On Information Technology Applications in
Biomedicine,
250-255, Nov. 2000,
Biometry
Ø B. Gokberk, H. Dutağacı, L. Akarun, B. Sankur, Representation Plurality and Decision Level Fusion for 3D Face Recognition, IEEE System Man and Cybernetics, PART B: CYBERNETICS, VOL. 38, NO. 1, FEBRUARY 2008, 155-173, 2008.
Ø H. Dutağacı, B. Sankur and E. Yörük, A comparative analysis of global hand appearance-based person recognition, J. Electronic Imaging, 17(1), 011018/1- 011018/19, Jan-March, 2008.
Ø Oya Aran, İsmail Arı, Alexandre Benoit, Pavel Campr, Ana Huerta Carrillo, François-Xavier Fanard, Lale Akarun, Alice Caplier, Michele Rombaut and Bülent Sankur, SignTutor: An Interactive System for Sign Language Tutoring, IEEE Trans. On Multimedia (to appear 2008).
Ø Salah,
H. Çınar, L. Akarun , B.
Sankur, Exact 2D-3D Facial Landmarking for
Registration and Recognition,
Annales des Telecommunications,
vol. 62, no.1-2, pp.1608-1633, 2007.
Ø
E.
Konukoglu, E. Yorük, J. Darbon, B.
Sankur, Shape-Based Hand Recognition,
IEEE
Trans. on Image Processing, 15(7), 1803-1815,
2006.
Ø
E. Yoruk, H.
Dutagaci, B. Sankur, Hand Biometry,
Image And Vision
Computing, 24(5), 483-497, 2006. HAND SHAPE DATABASE (Binary Images
of normalized left hands of 755 people. There are three images per
person) Download
Ø
H.K.
Ekenel,
B.
Sankur, Feature selection in the
independent component
subspace for face recognition, Pattern Recognition Letters,
25, 1377–1388, 2004.
Ø
H.K. Ekenel, B. Sankur, Multiresolution Face Recognition,
Image
and Vision Computing, 23(5),
469-477, 2005.
Ø V. Starovoitov, D. Samal, B. Sankur , Matching Of Faces in Camera Images and Document Photographs, ICASSP'2000, Int. Conference on Signal, Speech and Signal Processing, 5-9 June 2000, Istanbul.
Ø M. Reijnders, P. van Beek, B. Sankur, J.C.A. van der Lubbe, Facial Feature Localization and Adaptation of a Generic Face Model for Model Based Coding, Signal Processing: Image Communication, vol. 7, 57-75, March 1995.
Ø
B. Esme, B.
Sankur,
Image
and Video Processing
Ø Ceyhun Burak Akgül, Bülent Sankur, Yücel Yemez and Francis Schmitt, Similarity Score Fusion by Ranking Risk Minimization, for 3D Object Retrieval, Shape Modeling International 2007,
Crete, Greece.
Ø K. Kayabol, B. Sankur, E.
Kuruoğlu, Source Separation in Images via MRFs with
Variational Approximation, EUSIPCO’2007,
Poznan, Poland
Ø
C.B.
Akgül, B. Sankur, F. Schmitt, Y. Yemez, Density-Based
3D Shape Descriptors, Eurasip Journal on Applied Signal
Processing, Vol. 2007, Article ID 32503
Ø
H. Dutagaci, B. Sankur, Transform-based Methods for
Indexing and Retrieval of
3D Objects, The 5th
International Conference on
3-D Digital Imaging and
Modeling,
Ottawa, Ontario, June 2005.
Ø
C.
Erdem Eroglu, B. Sankur, M.
Tekalp, Performance Measures for Video
Object Segmentation and
Tracking, IEEE Image Processing,
13(7), 937-950, July 2004.
Ø
B.
Sankur, M. Sezgin, A Survey Over Image Thresholding
Techniques And
Quantitative Performance Evaluation, Journal
of Electronic
Imaging, 13(1), 146-165, January, 2004. (Available software: OTIMEC with
graphic user interface for the
execution of several (42) image thresholding algorithms)
Ø
Avcibas,
B. Sankur, N. Memon, K. Sayood, A
successively refinable lossless image coding algorithm, IEEE
Trans.
Communications, March 2005.
Ø C. Erdem Eroglu, B. Sankur, M. Tekalp, Video Object Tracking with Feedback of Performance Measures, IEEE Circuit Systems and Video Processing, 13(4), 310-324, April 2003.
Ø M. Sezgin, B. Sankur, Image Multithresholding Based on Sample Moment Function, ICIP’2003: International Conference on Image Processing, Barcelona 2003.
Ø
C.E. Eroglu, B.
Sankur, Performance Measures for Video
Object Segmentation and
Tracking, SPIE Conf. Visual Communications and
Image Processing
2003, Lugano, Switzerland, July 8-11 2003.
Ø
F.
Kurugollü, B. Sankur, E. Harmanci, Image Segmentation by Relaxation
Using Constraint
Satisfaction Neural Network, Journal of Image and Vision Computing,
20, 483-497, 2002.
Ø Avcibas, B. Sankur, K. Sayood, Statistical Evaluation of Image Quality Measures, Journal of Electronic Imaging, 11(2), 206-23, April 2002. (Availability software: QUALITY for the calculation of several (26) image quality measures)
Ø
Avcibas, N.
Memon, B. Sankur, K. Sayood, Lossless and Near-Lossless Image
Compression with
Successive Refinement, IEEE Signal
Processing Letters, 9(10),
312-314, October 2002.
Ø
V.
Letournelle, B. Sankur, F. Pradeille, H. Maitre, Feature Extraction for Quality
Asessment of Aerial
Image Segmentation,
ISPRS: International Soc. for Photogrammetry and Remote Sensing, PCV'02
Photogrammetric Computer Vision, 2002.
Ø F. Kurugollü, B. Sankur, E. Harmanci Multiband Image Segmentation Using Histogram Multithresholding and Fusion, Journal of Image and Vision Computing, 9(13), 915-928, 2001. (Available software: SEGMEN Multithresholding and Constraint Satisfaction NN based segmentation programs).
Ø S. Oztürk, B. Sankur, T. Abak, Font Classification and Recognition in Document Images, Journal of Electronic Imaging, 10(2), 418-430, 2001.
Ø
C. Erdem
Eroglu, B. Sankur, "Performance Evaluation Metrics
for Object-Based Video
Segmentation" EUSIPCO'2000: 10th
European Signal
Processing Conference, pp. 917-920, 5-8 September,
Ø
Y. Yemez, B.
Sankur,
Ø F.Kurugollü, B. Sankur, Image Segmentation Based on Multi-Scan Constraint Satisfaction Neural Network, Pattern Recognition Letters, Vol. 20, pp. 1553-1563, 1999.
Ø H. Caglar, S. Güntürk, B. Sankur, E. Anarim, VQ-Adaptive Block Transform Coding of Images, IEEE Trans. Image Processing, Vol. 7, pp. 110-116, January 1998.
Ø
V.V.Starovoitov,
C. Kose, B. Sankur, Generalized Distance Based
Matching of Nonbinary
Images, ICIP'98, Inter. Conference on Image
Processing,
Ø Y. Yemez, T. Aydin, B. Sankur, E. Anarim, Multidirectional and Multiscale Edge Detection via M-Band Wavelet Transform, IEEE Trans. Image Processing, Vol. 5, pp. 1370-1377, 1996.
Ø B.Sankur, R.A. van Schijndel, J.C.A. van der Lubbe, Two-Layer Coding for Videotelephone, Signal Processing: Image Communication, 295-303, 1993.
Ø
B.Sankur, J.C.A.
van der Lubbe, M.F. Carreto Castro,
Lossless Coding of Art Images for Museum Information Systems, ISCIS'92:
Proc.
7th. International Symposium on Computer and Information Sciences,
Biomedical
Signal Processing
Ø
Koray Ciftci, Bulent Sankur, Yasemin P. Kahya and Ata Akin, Multilevel Statistical Inference from Functional Near Infrared Spectroscopy Data during Stroop Interference, IEEE Biomedical Engineering, (to appear) 2008.
Ø
Koray Ciftci, Bulent Sankur, Yasemin P. Kahya and Ata Akin, Constraining the general linear model for sensible hemodynamic response function waveforms, Med Biol Eng Comput, 2008, DOI 10.1007/s11517-008-0347-6.
Ø
C. B. Akgül, A.
Akin, B. Sankur, Extraction
of Cognitive-Related Waveforms from Functional Near Infrared
Spectroscopy
Signals, Medical and Biological Engineering in Computing,
44(11), 945-958, 2006 (Available software: STAT_TESTS programs for the testing
Gaussianity and stationarity of time
series and SPLINE programs for spline
smoothing)
Ø
C. B. Akgül, B. Sankur, A. Akın, The Selection of Relevant
Frequency Bands in
Functional Near Infrared Spectroscopy, Journal
of Computational
Neuroscience, 18, 67-83, 2005.
Ø
K.
Ciftci, Y.
Kahya, B. Sankur and A. Akin, Complexity Analysis of Functional
Near-Infrared
Spectroscopy Signals, EUSIPCO-2005, I, 65-68,
4-8 September,
Antalya.
Ø
E. C.
Guler, B. Sankur, Y. P. Kahya, S. Raudys, Two-stage classification of
respiratory sound patterns,
Computers in Biology and Medicine, 35, 67-83, 2005.
Ø
C.
Güler, B.
Sankur, Y. Kahya, Visual Classification of Medical Data Using MLP
Mapping, Computers in Biology and Medicine,
28,
275-287, 1998.
Ø
C.
Güler, B.
Sankur, Y. Kahya, Multiresolution Biological Transient Extraction
Applied to
Respiratory Crackles, Computers in Biology and Medicine,
Vol.26, pp.
25-39, 1996.
Ø
Buruk, M.Y., Güler, E.Ç., Egi, S.M.,
Eftedal, O. and Sankur, B., Analysis of precordial Doppler Ultrasound
recordings using time-frequency methods to detect decompression
bubbles. Undersea
Hyperbaric Med., 22, 30-31 (1995).
Ø
B.
Sankur,
Y.P. Kahya, E. C. Güler, T.
Engin,
Comparison of AR Based Algorithms for Respiratory Sound Classification,
Computers
in Biology and Medicine, 4, pp. 67 - 76, 1994.
Ø
E.Barendregt,
B.Sankur, C.Ince, H.A. Bruining, Analysis of Respiratory Sounds During
Induced
ARDS in Pigs, EMBS'92: 14th Annual International
Conference of the
IEEE Engineering in Medicine and Biology Society, 2537-2538, Paris,
France,
Oct. 29- Nov. 1, 1992.
Digital Signal Processing
Ø M. Altınkaya, B. Sankur, E. Anarım, Phase Dependence Mitigation for Autocorrelation
Based Frequency Estimation, Digital Signal
Processing, 18 (2008) 249–266.
Ø
V. Valev, B.
Sankur, Generalized Non-reducible
descriptors, Pattern
Recognition, 37, 1809-1815, 2004.
Ø
M. Altinkaya,
H. Delic, B. Sankur, E. Anarim, Subspace-Based Frequency
Estimation of Sinusoidal
Signals in Alpha-Stable Noise, Signal
Processing, 82(11),
151-171, November, 2002.
Ø
H. Caglar, S.
Güntürk, E. Anarim, B. Sankur, Permutation Based Design of
Orthogonal Block
Transforms and Filter Banks, Multidimensional
Systems and
Processing, 12,
63-79, 2001.
Ø
Koksaldi
E., B. Sankur, S. Seker, Information Extraction from the Radiation of
VDU's by
Pattern Recognition Methods, EMC'98: Electromagnetic Compatibility
Conference,
678-683,
Ø
H. Caglar,
S. Güntürk, E. Anarim. B. Sankur, Matched Block Transform Design
Technique,
EUSIPCO-96, 8. European Signal Processing Conference, pp. 1155-1158,
Ø
H. Caglar,
O. Alkin,
Ø
E. Anarim,
B. Sankur, H.
Caglar, I. Celasun,
Design of Nonseparable 2-D Linear Phase Filter Banks via Shuffling
Operations,
Electronic Letters, 30, 843-844, May, 1994.
Ø
K.
Harmanci, E. Anarim, H. Caglar, B. Sankur, 2-D Nonseparable PR Filter
Bank
Design Based on Bernstein Polynomial Approximation, SPIE Sym. Visual Communication and
Image Processing’94
(Vol. 2308), p. 513-523, 25-28 Sept. 1994,
Ø
Anarim, E.,
Sankur.B., Robust Detection by AR
Frequency Estimation, Signal Processing
30, 271-277, 1993.
Ø
Caglar, H.
, B. Sankur, Anarim, E., Matched Wavelet Design and Coding Gain
Performance,
MDSP'93: 8’th IEEE Conf.
on
Multidimensional Signal Processing, pp.144-145,
Sept. 1993,
Ø
Tugbay, N.
B. Sankur, Classification and Analysis of Digital Modulation Schemes
Using
Wigner-Ville Distribution, GRETSI'89: Proc. 12. Colloque Gretsi, June
1989,
Nice, France.
Ø
Aktar, M.,
Sankur.B., Y. Istefanopulos, Properties of the Maximum Likelihood and
Piserenko
Spectral Estimates, Signal Processing, 8, 401-413,
(1985).
Communications
and Networks
Ø
C. Evci, K.
Ciliz, E. Anarim, B. Sankur, Wireless Networks in Turkey: A
jewel in the crowd, Alcatel
Telecommunications Review, 3rd
Quarter, 2004.
Ø
N. Ince, D.
Willemsen, B. Sankur, Planning and Architectural Design of
Integrated
Services Digital Network, Kluwer Academic Publishers, 445
pp., April 1995.
Ø
Kalyoncu,
H., B. Sankur, Design
and Performance
Evaluation of Picture Archival and Communication Systems, Simulation,
vol. 34, pp. 77-90,
February 1995.
Ø
B.Sankur,
H.Kalyoncu, Estimation of Survivability of Communication Networks, Electronic
Letters, 28, 1790-1792, 1992.
Ø
Kalyoncu,
H., B.Sankur, Traffic Modelling of PACS Systems, ISCIS'90: 5.Int. Symp.
Computer and Information Sciences, 1990,
Ø
Bilgekul,
H., Sankur.B., Conditionally Nonparametric Rank Correlation Detector
for Random
Signal Detection, Archive für Elektronik und
Übertrangungstechnik, 35,
192-196, 1981.
Ø
Sankur,
B.,
J.W. Modestino, Receiver Performance in Impulsive Noise, Archive
für Elektronik
und Übertragungstechnik, 36, 111-118, (1982)
Ø
Modestino,
J.W. B.Sankur, Modelling and Analysis of Impulsive Noise.
Archive für
Elektronik and Übertragungtechnick, 35, 481-488 (1981)
Ø
Basar, T.
Ü., B. Sankur, H. Abut, Performance Bounds and Optimal Linear Coding
for
Discrete-Time Multichannel Communication Systems, IEEE Trans.
Information
Theory, IT-26, 212-217, (1980)
Ø
Sankur, B.,
J.M. Modestino, Modeling and Analysis of Impulse Noise, Proc.
NATO Advanced
Study Institute on Comm. Systems and Random Process Theory,
J.K.Skwirzynksi, Ed. Leyden,
EDUCATION
Ø
Ph.D,
Dept. Electrical and Systems Engineering,
Rensselaer Polytechnic Institute, NY,
Ø
M.S.,
Dept. of Electrical and Systems Engineering,
Rensselaer Polytechnic Institute, NY,
Ø
B.S. in
Electrical Engineering,
VISITING
POSITIONS
Ø
ECOLE
NATIONALE
SUPERIEURE des TELECOMMUNICATIONS,
Ø
DELFT
UNIVERSITY
of TECHNOLOGY, The Netherlands: (1990-1992) Visiting
Professor, Faculty of
Electrical Engineering, Information Theory Group.Conducted research in
the
statistical and model-based compression of video sequences, for low
bit-rate
coding. Supervised several students at the master and doctoral level.
Ø
UNIVERSITY
OF
Ø RENSSELAER POLYTECHNIC INSTITUTE, U.S.A.(1970-1975) Teaching Assistant (1970-1971) and Research Assistant (1971-1975) in the Department of Electrical, Systems and Computer Engineering during the M.Sc and Ph.D. education periods.
INDUSTRIAL
EXPERIENCE
Ø ARCELIK (1996-1997) Sound quality control of home appliances and signal processing techniques for industry.
Ø TAFICS PROJECT OFFICE (1987-1989) Assistant Manager. Worked on the planning and specifications of the TAFICS (Turkish Armed Forces Integrated Communication System) strategic communications network with emphasis on switching, signaling, and interoperability.
Ø TELETAS TELECOMMUNICATION INDUSTRY (1986-1987 and 1989-1990) Consultant Worked on ISDN national specifications and planning, and on the prototyping of the ISDN subscriber equipment. Contributed to interworking in signaling procedures.
COURSES TAUGHT
Ø Graduate Courses: Digital Signal Processing, Image Processing, Digital Communications Systems, Computer Communication Networks, Detection and Estimation Theory, Stochastic Processes, Probabilistic System Analysis, Adaptive Filters, Video Coding, Computer Vision.
Ø Undergraduate Courses: Digital Systems, Communication Systems, Statistical Communication Theory, Signal Analysis, Industrial Signal Processing, Introduction to Image Processing
ACTIVITIES
Ø Has been supervising to completion 66 master students and 14 Ph.D. students.
Ø Has obtained grants from Bogazici University Research Fund totalling 100,000 $, and external funding from TÜBITAK: National Research and Scientific Council totaling 350,000 $.
Ø Has given several continuing education courses to industry and government institutions on Digital Communication Digital Telephony, Computer Networks, Signal Processing, and Video Coding.
Ø Chairman of the International Conference on Telecommunications: ICT’96. Technical Program Co-Chair of ICASSP’2000, Chairman of EUSIPCO’2005. Chairman of the National Signal Processing Conferences: SIU’93, SIU’97. Also member on various Conference Program Committees, e.g., National Electrical Engineering Conferences, Operations Research Conferences, Int. Symposia on Computers and Information Sciences (ISCIS).
Ø Serves in the Editorial Boards of the Signal Processing Journal (1983-), Annales de Telecommunication.(1992-1994), Elektrik: Turkish Journal of Electrical Engineering and Computer Science (1990-).