Prof. Bülent Sankur Profile

Prof. Bülent Sankur

at Bogaziçi Üniv

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 4 February 2010 Paper

Correspondence-free alignment of 3D object models

Ceyhun Akgul, Bülent Sankur, Yücel Yemez

Proc. SPIE. 7526, Three-Dimensional Image Processing (3DIP) and Applications

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

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Proceedings Article | 4 February 2010 Paper

View subspaces for indexing and retrieval of 3D models

Helin Dutagaci, Afzal Godil, Bülent Sankur, Yücel Yemez

Proc. SPIE. 7526, Three-Dimensional Image Processing (3DIP) and Applications

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

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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

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

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Proceedings Article | 2 March 2007 Paper

Syntactic tools for text watermarking

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

Proc. SPIE. 6505, Security, Steganography, and Watermarking of Multimedia Contents IX

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

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Proceedings Article | 27 February 2007 Paper

Blind identification of cellular phone cameras

Oya Çeliktutan, Ismail Avcibas, Bülent Sankur

Proc. SPIE. 6505, Security, Steganography, and Watermarking of Multimedia Contents IX

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

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SPIE Journal Paper | 1 October 2006

Image manipulation detection

Sevinc Bayram, Ismail Avcibas, Bülent Sankur, Nasir Memon

JEI Vol. 15 Issue 04

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

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Proceedings Article | 15 March 2006 Paper

2D/3D facial feature extraction

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

Proc. SPIE. 6064, Image Processing: Algorithms and Systems, Neural Networks, and Machine Learning

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

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Proceedings Article | 15 February 2006 Paper

3D face recognition by projection-based methods

Helin Dutagaci, Bülent Sankur, Yücel Yemez

Proc. SPIE. 6072, Security, Steganography, and Watermarking of Multimedia Contents VIII

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

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Proceedings Article | 14 March 2005 Paper

Hand based biometry

Erdem Yoruk, Helin Dutagaci, Bulent Sankur

Proc. SPIE. 5685, Image and Video Communications and Processing 2005

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

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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

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

SPIE Journal Paper | 1 January 2004

Survey over image thresholding techniques and quantitative performance evaluation

Mehmet Sezgin, Bülent Sankur

JEI Vol. 13 Issue 01

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

Proceedings Article | 23 June 2003 Paper

Performance measures for video object segmentation and tracking

Cigdem Erdem, Bulent Sankur, A. Murat Tekalp

Proc. SPIE. 5150, Visual Communications and Image Processing 2003

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

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Proceedings Article | 20 June 2003 Paper

Steganalysis of audio based on audio quality metrics

Hamza Ozer, Ismail Avcibas, Bulent Sankur, Nasir Memon

Proc. SPIE. 5020, Security and Watermarking of Multimedia Contents V

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

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SPIE Journal Paper | 1 April 2002

Statistical evaluation of image quality measures

Ismail Avcibas, Bulent Sankur, Khalid Sayood

JEI Vol. 11 Issue 02

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

Proc. SPIE. 4518, Multimedia Systems and Applications IV

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

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Proceedings Article | 1 August 2001 Paper

Strict integrity control of biomedical images

Gouenou Coatrieux, Henri Maitre, Bulent Sankur

Proc. SPIE. 4314, Security and Watermarking of Multimedia Contents III

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

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Proceedings Article | 1 August 2001 Paper

Error correcting code performance for watermark protection

Jerome Darbon, Bulent Sankur, Henri Maitre

Proc. SPIE. 4314, Security and Watermarking of Multimedia Contents III

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

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Proceedings Article | 1 August 2001 Paper

Steganalysis of watermarking techniques using image quality metrics

Ismail Avcibas, Nasir Memon, Bulent Sankur

Proc. SPIE. 4314, Security and Watermarking of Multimedia Contents III

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

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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

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

Proc. SPIE. 4310, Visual Communications and Image Processing 2001

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

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Proceedings Article | 19 April 2000 Paper

Component ratio preserving compression for remote sensing applications

Ismail Avcibas, Bulent Sankur, Khalid Sayood, Nasir Memon

Proc. SPIE. 3974, Image and Video Communications and Processing 2000

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

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Proceedings Article | 16 September 1994 Paper

Shuffle-based M-band filter bank design

Hakan Caglar, Oktay Alkin, Emin Anarim, Bulent Sankur

Proc. SPIE. 2308, Visual Communications and Image Processing '94

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

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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

Proc. SPIE. 2308, Visual Communications and Image Processing '94

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

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Proceedings Article | 1 November 1992 Paper

Semantic segmentation of videophone image sequences

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

Proc. SPIE. 1818, Visual Communications and Image Processing '92

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

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