Prof. Bülent Sankur Profile

Prof. Bülent Sankur

at Bogaziçi Üniv

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 4 February 2010 Paper

View subspaces for indexing and retrieval of 3D models

Helin Dutagaci, Afzal Godil, Bülent Sankur, Yücel Yemez

Proceedings Volume 7526, 75260M (2010) https://doi.org/10.1117/12.839186

KEYWORDS: Data modeling, Databases, 3D modeling, Principal component analysis, Independent component analysis, Optical spheres, Spherical lenses, Performance modeling, Feature extraction, Fourier transforms

Read Abstract +

Proceedings Article | 4 February 2010 Paper

Correspondence-free alignment of 3D object models

Ceyhun Akgul, Bülent Sankur, Yücel Yemez

Proceedings Volume 7526, 75260K (2010) https://doi.org/10.1117/12.838614

KEYWORDS: 3D modeling, 3D image processing, Image processing, Electronic imaging, Current controlled current source, Shape analysis

Read Abstract +

SPIE Journal Paper | 1 January 2008

Comparative analysis of global hand appearance-based person recognition

Helin Dutagaci, Bülent Sankur, Erdem Yörük

JEI, Vol. 17, Issue 01, 011018, (January 2008) https://doi.org/10.1117/12.10.1117/1.2890986

KEYWORDS: Independent component analysis, Binary data, Databases, Feature extraction, Image segmentation, Scanners, Biometrics, Data fusion, Principal component analysis, Shape analysis

Read Abstract +

Proceedings Article | 2 March 2007 Paper

Syntactic tools for text watermarking

Hasan Meral, Emre Sevinç, Ersin Ünkar, Bülent Sankur, A. Özsoy, Tunga Güngör

Proceedings Volume 6505, 65050X (2007) https://doi.org/10.1117/12.708111

KEYWORDS: Digital watermarking, Alternate lighting of surfaces, Transformers, Binary data, Information security, Data hiding, Multimedia, Software development, Computer programming, Computer engineering

Read Abstract +

Proceedings Article | 27 February 2007 Paper

Blind identification of cellular phone cameras

Oya Çeliktutan, Ismail Avcibas, Bülent Sankur

Proceedings Volume 6505, 65051H (2007) https://doi.org/10.1117/12.703920

KEYWORDS: Cameras, Binary data, Forensic science, Image quality, Wavelets, Quality measurement, Image fusion, Image enhancement, Optical filters, Image compression

Read Abstract +

SPIE Journal Paper | 1 October 2006

Image manipulation detection

Sevinc Bayram, Ismail Avcibas, Bülent Sankur, Nasir Memon

JEI, Vol. 15, Issue 04, 041102, (October 2006) https://doi.org/10.1117/12.10.1117/1.2401138

KEYWORDS: Binary data, Digital imaging, Image fusion, Sensors, Forensic science, Image forensics, Image quality, Image processing, Feature selection, Feature extraction

Read Abstract +

Proceedings Article | 15 March 2006 Paper

2D/3D facial feature extraction

Hatice Çinar Akakin, Albert Ali Salah, Lale Akarun, Bülent Sankur

Proceedings Volume 6064, 60641D (2006) https://doi.org/10.1117/12.643099

KEYWORDS: Principal component analysis, Nose, Independent component analysis, Eye, 3D image processing, Feature extraction, Factor analysis, Facial recognition systems, Mouth, Image resolution

Read Abstract +

Proceedings Article | 15 February 2006 Paper

3D face recognition by projection-based methods

Helin Dutagaci, Bülent Sankur, Yücel Yemez

Proceedings Volume 6072, 60720I (2006) https://doi.org/10.1117/12.643089

KEYWORDS: Clouds, 3D image processing, Independent component analysis, Facial recognition systems, Feature extraction, Databases, Principal component analysis, Image fusion, Binary data, 3D scanning

Read Abstract +

Proceedings Article | 14 March 2005 Paper

Hand based biometry

Erdem Yoruk, Helin Dutagaci, Bulent Sankur

Proceedings Volume 5685, (2005) https://doi.org/10.1117/12.587815

KEYWORDS: Principal component analysis, Independent component analysis, Biometrics, Feature extraction, Image enhancement, Image segmentation, Shape analysis, Binary data, System identification, Standards development

Read Abstract +

SPIE Journal Paper | 1 January 2004

Survey over image thresholding techniques and quantitative performance evaluation

Mehmet Sezgin, Bülent Sankur

JEI, Vol. 13, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1631315

KEYWORDS: Image segmentation, Nondestructive evaluation, Binary data, Fuzzy logic, Image quality, Autoregressive models, Image processing algorithms and systems, Lithium, Image processing, Inspection

SPIE Journal Paper | 1 January 2004

Comparative evaluation of semifragile watermarking algorithms

Oezguer Ekici, Bülent Sankur, Baris Coskun, Umut Naci, M. Akcay

JEI, Vol. 13, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1633285

KEYWORDS: Digital watermarking, Quantization, Wavelets, Visualization, Smoothing, Electronic filtering, Linear filtering, Binary data, Discrete wavelet transforms, Signal processing

Proceedings Article | 23 June 2003 Paper

Performance measures for video object segmentation and tracking

Cigdem Erdem, Bulent Sankur, A. Murat Tekalp

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.509859

KEYWORDS: Motion measurement, Video, Image segmentation, Video surveillance, Canonical correlation analysis, Motion estimation, Detection and tracking algorithms, Video coding, Color difference, Matrices

Read Abstract +

Proceedings Article | 20 June 2003 Paper

Steganalysis of audio based on audio quality metrics

Hamza Ozer, Ismail Avcibas, Bulent Sankur, Nasir Memon

Proceedings Volume 5020, (2003) https://doi.org/10.1117/12.477313

KEYWORDS: Distortion, Steganalysis, Signal to noise ratio, Distance measurement, Quality measurement, Digital watermarking, Feature selection, Data hiding, Scanning probe microscopy, Surface plasmons

Read Abstract +

SPIE Journal Paper | 1 April 2002

Statistical evaluation of image quality measures

Ismail Avcibas, Bulent Sankur, Khalid Sayood

JEI, Vol. 11, Issue 02, (April 2002) https://doi.org/10.1117/12.10.1117/1.1455011

KEYWORDS: Image quality, Distortion, Image compression, Quality measurement, Distance measurement, Digital watermarking, Visual system, Multispectral imaging, Statistical analysis, Visualization

Proceedings Article | 12 November 2001 Paper

Comparative assessment of semifragile watermarking techniques

Oezguer Ekici, Baris Coskun, Umut Naci, Bulent Sankur

Proceedings Volume 4518, (2001) https://doi.org/10.1117/12.448202

KEYWORDS: Digital watermarking, Image quality, Multimedia, Signal processing

Read Abstract +

Proceedings Article | 1 August 2001 Paper

Error correcting code performance for watermark protection

Jerome Darbon, Bulent Sankur, Henri Maitre

Proceedings Volume 4314, (2001) https://doi.org/10.1117/12.435451

KEYWORDS: Digital watermarking, Error control coding, Lead, Error analysis, Modulation, Video compression, Video, Signal to noise ratio, Binary data, Analytical research

Read Abstract +

Proceedings Article | 1 August 2001 Paper

Steganalysis of watermarking techniques using image quality metrics

Ismail Avcibas, Nasir Memon, Bulent Sankur

Proceedings Volume 4314, (2001) https://doi.org/10.1117/12.435436

KEYWORDS: Digital watermarking, Image quality, Quality measurement, Steganalysis, Statistical analysis, Steganography, Distance measurement, Detection and tracking algorithms, Image processing, Visual system

Read Abstract +

Proceedings Article | 1 August 2001 Paper

Strict integrity control of biomedical images

Gouenou Coatrieux, Henri Maitre, Bulent Sankur

Proceedings Volume 4314, (2001) https://doi.org/10.1117/12.435403

KEYWORDS: Image segmentation, Digital watermarking, Medical imaging, Error control coding, Computer security, Diagnostics, Binary data, Filtering (signal processing), Information security, Network security

Read Abstract +

SPIE Journal Paper | 1 April 2001

Font clustering and cluster identification in document images

Serdar Ozturk, Bulent Sankur, Ali Abak

JEI, Vol. 10, Issue 02, (April 2001) https://doi.org/10.1117/12.10.1117/1.1351820

KEYWORDS: Optical character recognition, Raster graphics, Detection and tracking algorithms, Algorithm development, Feature extraction, Binary data, Image segmentation, Databases, Distance measurement, Distortion

Proceedings Article | 29 December 2000 Paper

Lossless and near-lossless image compression with successive refinement

Ismail Avcibas, Nasir Memon, Bulent Sankur, Khalid Sayood

Proceedings Volume 4310, (2000) https://doi.org/10.1117/12.411838

KEYWORDS: Image compression, Analytical research, Wavelets, Distortion, Image quality, Computer programming, Medical imaging, Image transmission, Image processing, Image resolution

Read Abstract +

Proceedings Article | 19 April 2000 Paper

Component ratio preserving compression for remote sensing applications

Ismail Avcibas, Bulent Sankur, Khalid Sayood, Nasir Memon

Proceedings Volume 3974, (2000) https://doi.org/10.1117/12.383006

KEYWORDS: Image compression, Distortion, Remote sensing, Quantization, Image processing, Signal to noise ratio, Image classification, Image analysis, Information visualization, Visualization

Read Abstract +

Proceedings Article | 16 September 1994 Paper

Two-dimensional nonseparable perfect reconstruction (PR) filter bank design based on the Bernstein polynomial approximation

Kerem Harmanci, Emin Anarim, Hakan Caglar, Bulent Sankur

Proceedings Volume 2308, (1994) https://doi.org/10.1117/12.186043

KEYWORDS: Linear filtering, Optical filters, Image compression, Holmium, Image filtering, Wavelet transforms, Performance modeling, Lead, Data compression, Wavelets

Read Abstract +

Proceedings Article | 16 September 1994 Paper

Shuffle-based M-band filter bank design

Hakan Caglar, Oktay Alkin, Emin Anarim, Bulent Sankur

Proceedings Volume 2308, (1994) https://doi.org/10.1117/12.185993

KEYWORDS: Linear filtering, Optical filters, Matrices, Polonium, Electronic filtering, Finite impulse response filters, Prototyping, Statistical analysis, Image filtering, Bandpass filters

Read Abstract +

Proceedings Article | 1 November 1992 Paper

Semantic segmentation of videophone image sequences

Peter van Beek, Marcel Reinders, Bulent Sankur, Jan van der Lubbe

Proceedings Volume 1818, (1992) https://doi.org/10.1117/12.131389

KEYWORDS: Image segmentation, Eye, 3D modeling, Image processing, Mouth, Visual communications, Digital filtering, Eye models, Motion models, Image compression

Read Abstract +