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Bulunan: 392 Adet 0.002 sn
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Erişime Açık

Evolutionary Multiobjective Multiple Description Wavelet Based Image Coding in the Presence of Mixed Noise in Images

YAVARIABDI, Amir | KUSETOĞULLARI, Hüseyin

In this paper, a novel method for generation of multiple description (MD) wavelet based image coding is proposed by using Multi-Objective Evolutionary Algorithms (MOEAs). Complexity of the multimedia transmission problem has been increased for MD coders if an input image is affected by any type of noise. In this case, it is necessary to solve two different problems which are designing the optimal side quantizers and estimating optimal parameters of the denoising filter. Existing MD coding (MDC) generation methods are capable of solving only one problem which is to design side quantizers from t ...Daha fazlası

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Okul Öncesi Eğitim Etkinlik Planlarının Etkinlik Çeşidi ve Bireysel-Küçük/ Büyük Grup Olarak Planlanması Açısından İncelenmesi

BÜYÜKTAŞKAPU SOYDAN, Sema

Bu araştırmanın amacı, okul öncesi öğretmenlerinin etkinlik planlarında yer verdikleri etkinlik çeşitlerinin ve etkinlikleri bireysel- küçük/büyük grup olarak planlanma durumlarının belirlenmesidir. Nitel araştırma yöntemlerinden, temel nitel araştırma yönteminin kullanıldığı araştırmanın örneklemi, amaçlı örnekleme yöntemlerinden ölçüt örnekleme yöntemi ile belirlenmiştir. Araştırmanın örneklemini, 2013 Milli Eğitim Bakanlığı Okul Öncesi Eğitim Programına göre okul öncesi öğretmenleri tarafından bizzat hazırlanmış altı adet okul öncesi eğitim programı etkinlik planı oluşturmaktadır. Veri ...Daha fazlası

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Mobile Subscriber Profiling and Personal Service Generation using Location Awareness

ÖZTOPRAK, Kasım

In the mobile environment, the location and the next move of subscribers are important. In this study, a method to detect the next move of the subscribers is proposed. In addition to the categorization of subscribers by using their Internet usage history, the knowledge of the next move pattern of subscribers will provide the flexibility to guide them to decide the next move. During the tracking of subscribers, the mobile devices of the subscribers are used as sensors to get in-depth knowledge about their preferences in their social life. The method presented here is the first in the literature ...Daha fazlası

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Synthesis of Various Calix [4] arene Derivatives with Mercaptoalkyl Chains and Their Application in Removing Cr (VI) from Aqueous Solution

SAYIN, Serkan | YILDIZ, Hüseyin Bekir | EYMÜR, Serkan

Four different mercaptoalkyl-substituted calixarene derivatives (5,11,17, 23-tetra-tert-butyl-25,27-bis(3-mercaptopropoxyl)-26,28-dihydroxycalix [4]arene, 25,27-bis(3-mercaptopropoxyl)-26,28-dihydroxycalix[4]arene, 25,27-bis(5-mercaptopentanoxyl)-26,28-dihydroxycalix[4]areneand5,17di-tert-butyl-11,23-di-carboxyl-26,28-bis(3-mercaptopropoxyl)-25,27-dihydroxycalix[4]arene) were synthesized. Their structures were characterized by Fourier transform infrared spectroscopy (FTIR), 1H and 13C NMR spectroscopy, and elemental analysis techniques. Moreover, their extraction capabilities at different para ...Daha fazlası

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Λ+c production in pp collisions at √s = 7 TeV and in p-Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The pT-differential production cross section of prompt Λ+c charmed baryons was measured with the ALICE detector at the Large Hadron Collider (LHC) in pp collisions at √s = 7 TeV and in p-Pb collisions at √sNN = 5.02 TeV at midrapidity. The Λ+c and Λ–c were reconstructed in the hadronic decay modes Λ+c → pK−π+, Λ+c → pK0S and in the semileptonic channel Λ+c → e+νeΛ (and charge conjugates). The measured values of the Λ+c /D0 ratio, which is sensitive to the c-quark hadronisation mechanism, and in particular to the production of baryons, are presented and are larger than those measured previously ...Daha fazlası

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Change in Porosity of A356 by Holding Time and Its Effect on Mechanical Properties

ULUDAĞ, Muhammet | ÇETİN, Remzi | GEMİ, Lokman | DIŞPINAR, Derya

In most of the practical casting operations, it is important to be able to cast large number of part with one single melt. Therefore, when quantity of the charge and melting crucible is increased, during casting process, the liquid is led to settle for a long period of time. In this work, 10 kg charge of A356 was melted at 750 °C and held for 240 min. A sand mold with different thickness was cast at 30, 60, 120, and 240 min of holding time of the liquid, before and after degassing conditions. Melt quality was measured by reduced pressure test, and pore size and number were measured at each cas ...Daha fazlası

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Effects of cognitive task complexity on L2 written output

ÇELİK, Mehmet

The question that which type of writing tasks learners exhibit their skills and improve their language proficiency receives different answers. Whether a language task, which requires attention, memory, reasoning, with low and high levels of syntactic complexity is likely to affect text quality, accuracy, grammar and vocabulary range is debated. The view that higher syntactic complexity for a task is likely to have learners produce more errors (Skehan & Foster, 2001) competes with the view that it will result in better, less flawed writing output (Robinson, 2001). To test the claims of the two ...Daha fazlası

6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve cerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.

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