Publications by Topic:
Click here to see publications by type.
 Prostate Cancer
[11]  X. Liu, M. A. Haider, D. L. Langer, I. S. Yetik, "A Tumor
Segmentation Method Based on Local Contrast for Improved Localization Performance," submitted.
 [10]  L. Liu, M. A. Haider, D. L. Langer, I. S. Yetik, "Prostate
Cancer Localization with Spatially Regularized
Parametric Images Obtained from DCE MRI", in revision, IEEE Trans. on Image Processing. 
[9]  Y. Artan, M. A. Haider, D. L. Langer, T. H. van der Kwast, A. J. Evans, Y. Yang, M. N. Wernick, J.
Trachtenberg, I. S. Yetik, "Prostate Cancer Localization with Multispectral MRI Using CostSensitive Support Vector Machines and
Conditional Random Fields", to appear, IEEE Transactions on Image
Processing.
 [8]  Y. Artan, M. A. Haider, D. L. Langer, I. S. Yetik,"SemiSupervised Prostate Cancer Segmentation with
Multispectral MRI", Proceedings of IEEE International Symposium on Biomedical Imaging, pp. 648651,
2010. 
[7]  L. Liu, M. A. Haider, D. L. Langer, I. S. Yetik, "Improved Prostate Cancer Localizaiton with Spatially
Regularized Dynamic ContrastEnhanced Magnetic Resonance Imaging", Proceedings of IEEE International
Symposium on Biomedical Imaging, pp. 644647,
2010. 
[6]  X. Liu, M. A. Haider, D. L. Langer, I. S. Yetik, "Using Relative Contrast and Iterative Normalization for
Improved Prostate Cancer Localizaiton with Multispectra MRI", Proceedings of IEEE International Symposium on Biomedical
Imaging, pp. 13691372,
2010. 
[5]  S. Ozer, D. L. Langer, X. Liu, M. Haider, T. H. van der Kwast, A. J. Evans, Y. Yang, M. N. Wernick, I.
S. Yetik, "Supervised and Unsupervised Methods for Prostate Cancer Localization with Multispectra MRI", Medical
Physics, pp. 18731883, 2010. 
[4]  X. Liu, D. Leager, M. Haider, M. Wernick, Y. Yang, I. S. Yetik, "Prostate Cancer Segmentation with
Simultaneous
Estimation of Markov Random Field Parameters and Classes" IEEE Transactions on Medical Imaging, vol. 28, pp. 908915,
2009. 
[3]  S. Ozer, M. Haider, D. Langer, T. H. van der Kwast, A. J. Evans, M. Wernick, J. Trachtenberg, I. S. Yetik,
"Prostate Cancer Localization with Multispectral MRI Based on Relevance Vector Machines", Proceedings of IEEE International Symposium on Biomedical
Imaging, pp. 7376, 2009. 
[2]  Y. Artan, D. Langer, M. Haider, T. H. van der Kwast, A. J. Evans, M. N. Wernick, I. S. Yetik, "Prostate
Cancer
Localization with Multispectral MRI Using Conditional Random Fields", Proceedings of IEEE InternationalSymposium on Biomedical Imaging, pp. 282285,
2009. 
[1]  X. Liu, I. S. Yetik, M. N. Wernick, "Simultaneous estimation of the Markov Random Field parameters and the
classes for image segmentation", Proceedings of IEEE International Conference on Image Processing, pp. 30483051,2008. 
 Dynamic Positron Emission Tomography
[6]  Y. Cheng, I. S. Yetik, "Propagation of blood function error to the final kinetic parameter estimates with
dynamic PET", submitted. 
[5]  M. Gadiya, I. S. Yetik, "Direct reconstruction of kinetic parameter images with ordered subsets",
Proceedings of Medical Imaging Conference, 2008. 
[4]  F. Pektas, I. S. Yetik, "Covariance expressions for implicit estimators of kinetic parameters with dynamic
PET", Proceedings of IEEE Electro/Information Technology, pp. 316320, 2008. 
[3]  Y. Cheng, I. S. Yetik, "Effect of the blood function error on the estimated kinetic parameters with
dynamic PET", Proceedings of IEEE International Symposium on Biomedical Imaging, pp. 15851588, 2008. 
[2]  I. S. Yetik, J. Qi, "Direct estimation of kinetic parameters from the sinogram with an unknown blood
function", Proceedings of IEEE International Symposium on Biomedical Imaging, pp. 295298, 2006. 
[1]  I. S. Yetik, J. Qi, "A fast method for kinetic parameter estimation", Proceedings of IEEE Nuclear Science
Symposium, pp. 32133216, 2006. 
 Retina Imaging
[3]  I. Yildirim, R. Ansari, J. Wanek, I. S. Yetik, M. Shahidi, "Regularized Estimation of Retinal Vascular Oxgen Tension
from Phosphorescence Images", IEEE Transactions on Biomedical Engineering, vol. 56, pp. 19891995, 2009. 
[2]  I. Yildirim, R. Ansari, J. Wanek, I. S. Yetik, M. Shahidi, "Denoising Algorithms and Retinal Oxygen Tension
Estimation with EM", Proceedings of IEEE International Symposium on Biomedical Imaging, pp. 5760, 2009. 
[1]  I. Yildirim, R. Ansari, J. Wanek, I. S. Yetik, M. Shahidi, "Retinal oxygen tension estimation in phosphorescence
lifetime images using regularized least squares", Proceedings of IEEE Electro/Information Technology, pp. 465469, 2008. 
 Electroencephalography and Magnetoencephalography
[8]  N. Cao, I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Haueisen, "Parametric Surfacesource Modeling and Estimation
with Electroencephalography", IEEE Transactions on Biomedical Engineering, vol. 53, pp. 24142424, 2006. 
[7]  N. Cao, I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Haueisen, "Estimating Parametric LineSource Models with
Electroencephalography", IEEE Transactions on Biomedical Engineering, vol. 53, pp. 21562165, 2006. 
[6]  I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Hauesien, "Surfacesource modeling and estimation using biomagnetic
measurements," IEEE Trans. Biomedical Engineering, vol. 53, pp. 18721882, 2006. 
[5]  I. S. Yetik, A. Nehorai, J. D. Lewine, C. H. Muravchik, "Distinguishing between moving and stationary sources using
EEG/MEG measurements with an application to epilepsy," IEEE Transactions on Biomedical Engineering, Vol. 52, pp. 471479, 2005. 
[4]  I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Haueisen, "Linesource modeling and estimation with
magnetoencephalography," IEEE Transactions on Biomedical Engineering,Vol. 51, pp. 839851, 2005. 
[3]  N. Cao, I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Haueisen, "Linesource Modeling and Estimation with
Electroencephalography", Proceedings of BEM and NFSI, 2005. 
[2]  I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Hauesien, "Linesource modeling and estimation with magnetoencephalography," Proceedings of the 2004 IEEE International Symposium on Biomedical Imaging, pp.13391342, 2004. 
[1]  I. S. Yetik, A. Nehorai, C. H. Muravchik, J. Hauesien, "Line and surface source estimation with magnetoencephalography," Proceedings of the 14th Biomag, pp. 603604, 2004. 
 Fractional Fourier Transform
[9]  I. S. Yetik and A. Nehorai, "Beamforming using the Fractional Fourier Transform," IEEE Transactions on Signal
Processing, Vol. 51, pp. 16631668, June 2003. 
[8]  I. S. Yetik, M. A. Kutay, H. M. Ozaktas, "Optimization of orders in multichannel fractional fourier domain filtering circuits and its application to the synthesis of mutual intensity distributions," Applied Optics, vol. 41, pp. 40784084, 2002. 
[7]  I. S. Yetik, M. A. Kutay, H. M. Ozaktas, "Image representation and compression with the fractional Fourier transform," Optics Communications, vol. 197, pp. 275278, 2001. 
[6]  I. S. Yetik, H. M. Ozaktas, B. Barshan, L. Onural, "Perspective projections in the spacefrequency plane and fractional Fourier transforms," Journal of Optical Society of America A, vol. 12, pp. 23822390, Dec. 2000. 
[5]  I. S. Yetik, H. M. Ozaktas, M. A. Kutay, "Fractional Fourier Transform and its Applications", Proceedings of
DETC ASME, CDROM, 2003. 
[4]  I. S. Yetik, M. A. Kutay, and H. M. Ozaktas, "Kesirli Fourier d?n???m? ile imge g?sterimi ve s?k??t?r?lmas?, in Turkish (Image representation and compression with the fractional Fourier transform)," Sinyal ??leme ve Uygulamalar?, pp. 3741, 2001. 
[3]  I. S. Yetik, H. M. Ozaktas, B. Barshan, and L. Onural, "Perspektif d?n???m?n zamans?kl?k d?zleminde incelenmesi, in Turkish (Perspective projections in the spacefrequency plane.) " Sinyal ??leme ve Uygulamalar?, pp. 629633, 2000. 
[2]  I. S. Yetik, H. M. Ozaktas, B. Barshan, and L. Onural, "Perspective projections in the spacefrequency plane and fractional Fourier transforms," Proceedings of the first IEEE Balkan Conference on Signal Processing, Communications and Circuits, and Systems, 2000. 
[1]  I. S. Yetik, M. A. Kutay, H. Ozaktas, and H. M. Ozaktas, "Continuous and Discrete Fractional Fourier Domain Decompositions," Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, pp. I:9396, 2000. 
 Image Registration
[3]  I. S. Yetik, "A Novel Registration Method," to appear, Proceedings of IEEE Southwest Symposium on Image Analysis and
Interpretation, 2010.
 [2]  I. S. Yetik and A. Nehorai, "Performance bounds on image registration", Proceedings of IEEE International
Conference on Acoustics, Speech and Signal Processing, vol. II, pp. 117120, 2005. 
[1]  I. S. Yetik and A. Nehorai, "Performance bounds for image registration," IEEE Trans. Signal Processing, vol. 54, pp. 17371749, 2006. 
 Machine Learning for Other Applications
[2]  Y. Artan, X. Huang, "Combining multiple 2nu SVM classifiers for tissue segmentation," ISBI 2008, pp.
481484,
2008. 
[1]  R. Blum, Y. Artan, B. Sadler, "A new approach to energy efficient classification with multiple sensors based
on ordered
tranmissions," ICASSP 2008, pp. 25052508, 2008
. 
 Others
.
.
[4]  X. Liu, I. S. Yetik, "A Maximum Likelihood Method for Image Segmentation Considering Subject Variability",
to appear, Proceedings
of IEEE Southwest Symposium on Image Analysis and Interpretation, 2010.  [3]  Y. Artan, I. S. Yetik,"An Improved Random Walker Algorithm for Image Segmentation", to appear, Proceedings of IEEE
Southwest
Symposium on Image Analysis and Interpretation, 2010.  [2]  L. Chaillou, I. S. Yetik, M. N. Wernick, "New methods for fMRI data processing based on
LLE", Proceedings of Computational Imaging Conference, pp.13221327, 2008. 
[1]  X. Liu, Y. Yang, Z. He, "A Combination Method for Medical Image Segmentation", Beijing Area Academic Symposium on
Information and Communication Technology 2006. 
