Yazar "0000-0003-0298-0690" için listeleme
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Analysis of single image super resolution models
Köprülü, Mertali; Eskil, Mustafa Taner (IEEE, 2022-11-18)Image Super-Resolution (SR) is a set of image processing techniques which improve the resolution of images and videos. Deep learning approaches have made remarkable improvement in image super-resolution in recent years. ... -
Closeness and uncertainty aware adversarial examples detection in adversarial machine learning
Tuna, Ömer Faruk; Çatak, Ferhat Özgür; Eskil, Mustafa Taner (Elsevier Ltd, 2022-07)While deep learning models are thought to be resistant to random perturbations, it has been demonstrated that these architectures are vulnerable to deliberately crafted perturbations, albeit being quasi-imperceptible. These ... -
Convolutional neural network (CNN) algorithm based facial emotion recognition (FER) system for FER-2013 dataset
Ezerceli, Özay; Eskil, Mustafa Taner; 0000-0002-7877-7528 (IEEE, 2022-11-18)Facial expression recognition (FER) is the key to understanding human emotions and feelings. It is an active area of research since human thoughts can be collected, processed, and used in customer satisfaction, politics, ... -
Driver recognition using gaussian mixture models and decision fusion techniques
Benli, Kristin Surpuhi; Düzağaç, Remzi; Eskil, Mustafa Taner (Springer-Verlag Berlin, 2008)In this paper we present our research in driver recognition. The goal of this study is to investigate the performance of different classifier fusion techniques in a driver recognition scenario. We are using solely driving ... -
El yazısı rakam sınıflandırması için gözetimsiz benzerlik tabanlı evrişimler
Erkoç, Tuğba; Eskil, Mustafa Taner (Institute of Electrical and Electronics Engineers Inc., 2022)Effective training of filters in Convolutional Neural Networks (CNN) ensures their success. In order to achieve good classification results in CNNs, filters must be carefully initialized, trained and fine-tuned. We propose ... -
Evrisimsel sinir ağları ile rekabetçi derin öğrenme
Eskil, Mustafa Taner (Tübitak, 2021-09-15)İmge üzerinde nesne tanımada, nesnenin imge üzerindeki yeri, açısal yönelimi ve ölçeği algoritmik olarak çözülmesi gereken önemli zorluklardır. Bu zorlukları aşmak için son yıllarda en sık kullanılan ve en başarılı sonuçları ... -
Exploiting epistemic uncertainty of the deep learning models to generate adversarial samples
Tuna, Ömer Faruk; Çatak, Ferhat Özgür; Eskil, Mustafa Taner (Springer, 2022-03)Deep neural network (DNN) architectures are considered to be robust to random perturbations. Nevertheless, it was shown that they could be severely vulnerable to slight but carefully crafted perturbations of the input, ... -
Extraction and selection of muscle based features for facial expression recognition
Benli, Kristin Surpuhi; Eskil, Mustafa Taner (IEEE Computer Soc, 2014-12-04)In this study we propose a new set of muscle activity based features for facial expression recognition. We extract muscular activities by observing the displacements of facial feature points in an expression video. The ... -
Facial expression recognition based on anatomy
Eskil, Mustafa Taner; Benli, Kristin Surpuhi (Academic Press Inc Elsevier Science, 2014-02)In this study, we propose a novel approach to facial expression recognition that capitalizes on the anatomical structure of the human face. We model human face with a high-polygon wireframe model that embeds all major ... -
Factored particle filtering with dependent and constrained partition dynamics for tracking deformable objects
Eskil, Mustafa Taner (Springer, 2014-10)In particle filtering, dimensionality of the state space can be reduced by tracking control (or feature) points as independent objects, which are traditionally named as partitions. Two critical decisions have to be made ... -
Improved microphone array design with statistical speaker verification
Demir, Kadir Erdem; Eskil, Mustafa Taner (Elsevier Ltd, 2021-04)Conventional microphone array implementations aim to lock onto a source with given location and if required, tracking it. It is a challenge to identify the intended source when the location of the source is unknown and ... -
Integrating vendors into cooperative design practices
Eskil, Mustafa Taner; Sticklen, Jon (Taylor & Francis Ltd, 2009)This paper describes a new approach to cooperative design using distributed, off-the-shelf design components. The ultimate goal is to enable assemblers to rapidly design their products and perform simulations using parts ... -
İfade tanıma için yüz anatomisine dayalı öznitelikler
Benli, Kristin Surpuhi; Eskil, Mustafa Taner (IEEE, 2014-04-23)Bu çalışmada yüz ifadesi tanıma için kas kuvvetlerine dayalı yeni öznitelikler öneriyoruz. Yüz üzerinde seçtiğimiz noktaların video üzerindeki hareketlerini izleyerek kas kuvvetlerini çözüyoruz. Yüz noktaları, ilk video ... -
Nearest neighbor weighted average customization for modeling faces
Abeysundera, Hasith Pasindu; Benli, Kristin Surpuhi; Eskil, Mustafa Taner (Springer, 2013-10)In this paper, we present an anatomically accurate generic wireframe face model and an efficient customization method for modeling human faces. We use a single 2D image for customization of the generic model. We employ ... -
A novel similarity based unsupervised technique for training convolutional filters
Erkoç, Tuğba; Eskil, Mustata Taner (IEEE, 2023-05-17)Achieving satisfactory results with Convolutional Neural Networks (CNNs) depends on how effectively the filters are trained. Conventionally, an appropriate number of filters is carefully selected, the filters are initialized ... -
Numerical integration methods for simulation of mass-spring-damper systems
Özgüz, Mete; Eskil, Mustafa Taner (Springer-Verlag, 2012)The dynamics of a face are often implemented as a system of connected particles with various forces acting upon them. Animation of such a system requires the approximation of velocity and position of each particle through ... -
An observation based muscle model for simulation of facial expressions
Erkoç, Tuğba; Ağdoğan, Didem; Eskil, Mustafa Taner (Elsevier Science BV, 2018-05)This study presents a novel facial muscle model for coding of facial expressions. We derive this model from unintrusive observation of human subjects in the progress of the surprise expression. We use a generic and ... -
Palmprint verification using SIFT majority voting
Abeysundera, Hasith Pasindu; Eskil, Mustafa Taner (Springer-Verlag, 2012)In this paper we illustrate the implementation of a robust, real-time biometric system for identity verification based on palmprint images. The palmprint images are preprocessed to align the major axes of hand shapes and ... -
Raylı sistemlerde yüksek gerilim aksamının otomatik denetimi
Ağdoğan, Didem; Babacan, Veysel Karani; Eskil, Mustafa Taner (IEEE, 2014-04-23)Raylı sistemlerde yolculugun sorunsuz tamamla-nabilmesi için sistem bütünlüğü kritik öneme sahiptir. Sistem bütünlüğü, lokomotif ve vagonlar haricinde katener (yüksek gerilim) hattı, pantograf ve raylara bağlıdır. Katener ... -
The routine design-modular distributed modeling platform for distributed routine design and simulation-based testing of distributed assemblies
Eskil, Mustafa Taner; Sticklen, Jon; Radcliffe, Clark (Cambridge University Press, 2008-12-12)In this paper we describe a conceptual framework and implementation of a tool that supports task-directed, distributed routine design (RD) augmented with simulation-based design testing. In our research, we leverage the ...