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Recent Submissions
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Patch warping based face frontalization [Yama çarpitma tabanli yüz önleştirme]
(Institute of Electrical and Electronics Engineers Inc., 2018)Face frontalization increases accuracies of face and gesture recognition applications. In this paper, we propose a 2D patch warping based face frontalization method which that has a simple but efficient flow due to its ... -
Facial expression recognition with FHOG features [FHOG öznitelikleri ile yüz ifadesi tanima]
(Institute of Electrical and Electronics Engineers Inc., 2018)Facial expression recognition is a popular computer vision subject that has many applications such as humancomputer interaction and behavior analysis. As for many computer vision problems, lighting and contrast differences ... -
Logo recognition via fusion of spatial and spectral features [Uzamsal ve spektral öznitelik birleşimi ile logo tanima]
(Institute of Electrical and Electronics Engineers Inc., 2018)Machine vision based logo and trademark recognition, is one of the most efficient and widely used method to measure brand awareness on internet and social media. Similarity of logos geometric structure, difference pose and ... -
Dataset augmentation for accurate object detection [Yüksek dogrulukta nesne tespiti için veri kümesi artirma]
(Institute of Electrical and Electronics Engineers Inc., 2018)Hand detection has many important applications in human-computer interaction. But hand detection is a difficult problem because hand image can vary greatly in images. Vision based hand interfaces require fast and extremely ... -
Real-time detection and mitigation of distributed denial of service (DDoS) attacks in software defined networking (SDN)
(Institute of Electrical and Electronics Engineers Inc., 2018)The emergence of Software Defined Network (SDN) and its promises in networking technology has gotten every stakeholder excited. However, it is believed that every technological development comes with its own challenges of ... -
Correcting writing errors in turkish with a character-level neural language model [Dahi anlamindaki de ayri yazilir: Türkçe yazim hatalarinin karakter-seviyeli bir sinirsel dil modeli ile düzeltilmesi]
(Institute of Electrical and Electronics Engineers Inc., 2018)A large part of the written content on the Internet is composed of social media posts, articles written for content platforms and user comments. In contrast to the content prepared for print media, these types of texts ... -
Expression recognition with appearance-based features of facial landmarks [Yuz nirengi noktalarinin görünüş öznitelikleri ile ifade tanima]
(Institute of Electrical and Electronics Engineers Inc., 2018)The human face is the subject of many studies in the field of artificial vision because of the high amount of semantic information. The most common of the studies carried out in this area are face analysis and expression. ... -
Contactless respiration rate estimation with phase difference [Faz farki ile temassiz solunum hizi kestirimi]
(Institute of Electrical and Electronics Engineers Inc., 2018)In this paper, a new method that uses radio frequency (RF) communications signal is proposed for the contactless respiration rate estimation and monitoring. In the proposed method, the phase difference between the channels ... -
Effect of distance metrics on positioning accuracy [Uzaklik metriklerinin konumlama başarimina etkisi]
(Institute of Electrical and Electronics Engineers Inc., 2018)RF fingerprinting based positioning systems have come to the forefront among indoor positioning systems as they provide both high precision and can use existing infrastructure like Wi-Fi access points effectively. In this ... -
Effectiveness of online RF fingerprinting for indoor localization
(Institute of Electrical and Electronics Engineers Inc., 2018)This paper proposes a method for indoor localization by introducing an online Radio Frequency (RF) fingerprinting approach instead of the traditional offline RF fingerprinting. The offline phase is a time-consuming stage ... -
Volumetric V-shaped array design for 2-D isotropic DOA estimation [2-boyutlu yön bagimsiz DOA kestirimi için hacimsel V-şekilli dizilim tasarimi]
(Institute of Electrical and Electronics Engineers Inc., 2018)In this study, a new method for designing a volumetric V-shaped sensor array is proposed, which has isotropic elevation and azimuth Direction of Arrival (DOA) angle. The proposed method optimizes the angles between linear ... -
Overlapping Decompositions and Controller Design for Neutral Distributed-time-delay Systems
(IEEE Computer Society, 2018)Controller design using overlapping decompositions for large-scale neutral distributed-time-delay systems is considered. It is shown how an overlappingly decomposed neutral distributed-time-delay system can be expanded so ... -
Induction Motor Identification from Acoustic Noise Spectrum by a Covariance Subspace Algorithm
(IEEE Computer Society, 2018)In this paper, we study identification of induction motors by using a recently developed covariance-based subspace algorithm from sound measurements. The sound data are collected by an array of five-microphones placed ... -
Power Spectrum Estimation in Innovation Models by Nuclear Norm Optimization
(IEEE Computer Society, 2018)In this paper, identification of discrete-time power spectra of multi-input/multi-output models in innovation form from output-only time-domain measurements is studied. Two regularized nuclear norm minimization-based ... -
Gender recognition with uniform local binary patterns [Tekduze yerel ikili örüntuler ile cinsiyet tanima]
(Institute of Electrical and Electronics Engineers Inc., 2018)Automatic gender recognition has been applied in many areas such as analyzing the structure of demographic social environments. In this paper we present a gender recognition algorithm based on uniform local binary pattern ... -
Robust Static Output Feedback Controller Design for Systems with Uncertain Time-delays
(IEEE Computer Society, 2018)Robust stabilization of linear time-invariant retarded time-delay systems with multiple uncertain time-delays is considered. Besides stabilization, minimization of the spectral abscissa for the worst time-delays is also ... -
Visualization of power lines recognized in aerial images using deep learning [Havadan alinan görüntülerde derin ögrenme ile taninan güç hatlarinin görsell?stirilmesi]
(Institute of Electrical and Electronics Engineers Inc., 2018)Aerial power lines used to conduct electrical energy pose a significant risk of accidents for aerial vehicles. In this study, we propose a method to highlight the power lines in an aerial image. The visual feedback provided ... -
Poverty level characterization via feature selection and machine learning
(Institute of Electrical and Electronics Engineers Inc., 2019)A persistent socio-cultural problem of mankind is 'poverty', which requires accurate characterization in order to construct well designed policies for intervention. Unfortunately, the categorization along the poverty - ... -
New wavelet-based features for the recognition of jittered and stagger PRI modulation types [Titrek ve atlamali DTA modülasyon tiplerinin taninmasina yönelik dalgacik tabanli yeni öznitelikler]
(Institute of Electrical and Electronics Engineers Inc., 2015)In dense electronic warfare environments, numerous emitters can be active simultaneously and an interleaved stream of pulses in natural time of arrival order is received by the Electronic Support Measures (ESM) receiver. ... -
Role of fractional powers in manuevering the fractional lower-order auto-covariance of symmetric alpha-stable noise signals
(Institute of Electrical and Electronics Engineers Inc., 2019)Since, Fractional Lower-Order Auto-Covariance (FLOAC) remains the only technique to quantify the similarity between alpha-stable (?-stable) signals, therefore, the effects of impulsiveness and skewness parameters has also ...
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