Search Results - "Kamasak, M"

Direct reconstruction of kinetic parameter images from dynamic PET data by Kamasak, M.E., Bouman, C.A., Morris, E.D., Sauer, K.

“…Our goal in this paper is the estimation of kinetic model parameters for each voxel corresponding to a dense three-dimensional (3-D) positron emission…”
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An efficient method for snore/nonsnore classification of sleep sounds by Cavusoglu, M, Kamasak, M, Erogul, O, Ciloglu, T, Serinagaoglu, Y, Akcam, T

“…A new method to detect snoring episodes in sleep sound recordings is proposed. Sleep sound segments (i.e., 'sound episodes' or simply 'episodes') are…”
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Investigation of sequential properties of snoring episodes for obstructive sleep apnoea identification by Cavusoglu, M, Ciloglu, T, Serinagaoglu, Y, Kamasak, M, Erogul, O, Akcam, T

“…In this paper, 'snore regularity' is studied in terms of the variations of snoring sound episode durations, separations and average powers in simple snorers…”
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Directional Total Variation by Bayram, İlker, Kamasak, M. E.

“…This paper introduces a "directional total variation" (TV) where the gradients are weighted depending on their direction. The introduced directional TV has…”
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Clustering Dynamic PET Images on the Projection Domain by Kamasak, M.E., Bayraktar, B.

“…Segmentation of dynamic PET images is an important preprocessing step for kinetic parameter estimation. A single time activity curve (TAC) is extracted for…”
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Effects of spatial regularization on kinetic parameter estimation for dynamic PET by Kamasak, M.E.

“…•This paper investigates the effects of spatial regularization on kinetic parameter estimations of dynamic PET.•Spatial regularization based on Gaussian Markov…”
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Accuracy investigation of GNSS-reflectometry for sea level monitoring on Horseshoe Island, Antarctica: preliminary results of the Turkish permanent GNSS station (TUR1) by SELBESOĞLU, MAHMUT OĞUZ, YAVAŞOĞLU, HASAN HAKAN, KARABULUT, MUSTAFA FAHRİ, OKTAR, ÖZGÜN, GÜLAL, VAHAP ENGİN, KARAMAN, HİMMET, KAMAŞAK, MUSTAFA ERSEL

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A Simple Prior for Audio Signals by Bayram, I., Kamasak, M. E.

“…We propose a simple prior for restoration problems involving oscillatory signals. The prior makes use of an underlying analytic frame decomposition with narrow…”
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Support vector selection and adaptation for classification of earthquake images by Kaya, G Taskin, Ersoy, O K, Kamasak, M E

“…In this paper, we propose a new machine learning algorithm that we named Support Vector Selection and Adaptation (SVSA). Our aim is to achieve the…”
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Direct reconstruction of kinetic parameter images from dynamic PET data by Kamasak, M., Bouman, C.A., Morris, E.D., Sauer, K.

“…It is often necessary to estimate the parameters of a compartmental model from PET image data. These kinetic parameters are important because they quantify…”
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Support Vector Selection and Adaptation for Remote Sensing Classification by Kaya, G T, Ersoy, O K, Kamasak, M E

“…Classification of nonlinearly separable data by nonlinear support vector machines (SVMs) is often a difficult task, particularly due to the necessity of…”
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Computation of variance in compartment model parameter estimates from dynamic PET data by Kamasak, M. E.

“…This paper investigates the validity of the analytical framework for bias and variance in kinetic parameter estimations. Analytical computation of bias and…”
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Classification of pulsars with Dirichlet process Gaussian mixture model by Ay, F, İnce, G, Kamaşak, M. E, Ekşi, K. Y

“…Young isolated neutron stars (INS) most commonly manifest themselves as rotationally powered pulsars (RPPs) which involve conventional radio pulsars as well as…”
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Therapeutic Effects of Thymoquinone in a Model of Neuropathic Pain by Çelik, Feyzi, MD, Göçmez, Cüneyt, MD, Karaman, Haktan, MD, Kamaşak, Kağan, MD, Kaplan, İbrahim, MD, Akıl, Eşref, MD, Tufek, Adnan, MD, Guzel, Abdulmenap, MD, Uzar, Ertuğrul, MD

“…Abstract Background The goal of our study was to determine the therapeutic effects of thymoquinone in a dose-dependent manner in a model of neuropathic pain…”
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Analysis of kinetic parameter estimates for dynamic PET by Kamasak, M. E.

“…In this work, a mathematical framework is developed for analytical investigation of bias and variance in kinetic parameter estimation of compartment models for…”
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A directional total variation by Bayram, I., Kamasak, M. E.

“…Total variation (TV) is an isotropic image prior that penalizes the abrupt changes in the images in all directions. In this paper, we modify TV so as to make…”
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Hybrid SVM and SVSA method for classification of remote sensing images by Kaya, G T, Ersoy, O K, Kamaşak, M E

“…A linear support vector machine (LSVM) is based on determining an optimum hyperplane that separates the data into two classes with the maximum margin. The LSVM…”
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Directional total variaton minimization by Bayram, I., Kamasak, M. E.

“…Total variation minimization (TVM) is an isotropic functional that penalizes the abrupt changes in all directions in the images. Isotropic TVM is frequently…”
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Bias and variance analysis of PET parameters estimated with spatial regularization by Kamasak, M. E.

“…In this work, an analytical framework is developed for bias and variance in the kinetic parameter estimations with spatial regularization in dynamic positron…”
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3-D Tomosynthesis Image Reconstruction Using Total Variation by Ertas, M., Akan, A., Cengiz, K., Kamasak, M., Seyyedi, S., Yildirim, I.

“…In tomosynthesis imaging, out-of-focus slice blur problem arises due to incomplete sampling problem. Several approaches have been proposed to deal with this…”
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