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Browsing Yazılım Mühendisliği Bölümü by Issue Date

Now showing items 1-20 of 40

Hand gesture recognition in variable length sequences

Choupani, Roya; Tolun, Mehmet R. (2005-09)

Using hand gestures in human computer interaction has been a major challenge during the recent years. Many of the hand gesture recognition systems however, have been based on the recognition of hand postures and estimating ...
Recent challenges in video coding and streaming

Choupani, Roya; Tolun, Mehmet R. (2006)

Video streaming over the Internet has gained popularity during the recent years which is mainly the result of the introduction of video-conferencing and videotelephony. These in turn have made it possible to bring to life ...
Component-Based Project Estimation Issues for Recursive Development

Altunel, Yusuf; Tolun, Mehmet R.; Sobh, T. (2008)

In this paper we investigated the component-based specific issues that might affect project cost estimation. Component-based software development changes the style of software production. With component-based approach the ...
Multiple Description Scalable Coding for Video Transmission over Unreliable Networks

Choupani, Roya; Wong, Stephan; Tolun, Mehmet R. (2009)

Developing real time multimedia applications for best effort networks such as the Internet requires prohibitions against jitter delay and frame loss. This problem is further complicated in wireless networks as the rate of ...
Bilgi Biliminin Mühendislik Gereksinimi ve Bilgi Mühendisliği

Medeni, İhsan Tolga; Aktaş, A. Ziya; Tolun, Mehmet R. (2009-10-22)

Yirminci yüzyılın ikinci yarısında bilgisayar, bilgi ve iletişim teknolojilerindeki gelişmeler bilgiye dayalı yeni bilim ve mühendislik disiplinleri oluşturma ihtiyacını doğurmuştur. Bu ihtiyaç nedeniyle doğan yeni bilim ...
Scalable video transmission over unreliable networks using multiple description wavelet coding

Choupany, Roya; Wong, Stephan; Tolun, Mehmet (2011)

Scalable video coding (SVC) and multiple description coding (MDC) are the two different adaptation schemes for video transmission over heterogenous and best-effort networks such as the Internet. We present a new approach ...
Yeşil BHT Bilgi ve Haberleşme Teknolojileri Akademisyen ve Uygulayıcılar Açısından Bir İnceleme

Akba, Fırat; Medeni, İhsan Tolga; Medeni, Tunç Durmuş; Tolun, Mehmet Reşit; Öztürk, Mehmet (2011)
Tacıt Knowledge Vısualızatıon Through Organızatıonal Explıcıt Knowledge Warehouses: A Proposal For Research Methodology Desıgn And Executıon

Medeni, İhsan Tolga; Medeni, Tunç; Tolun, Mehmet (2011)

Knowledge visualization can be used in several fields from medical imaging to industrial engineering. Although there could be variety of applicable research areas, our consideration will be the tacit knowledge visualization ...
Optimized Multiple Description Coding for Temporal Video Scalability

Choupani, Roya; Wong, Stephan; Tolun, Mehmet (2013)

The vast application of video streaming over the Internet requires video adaptation to the fluctuations of the available bandwidth, and the rendering capabilities of the receiver device. On the other hand, the available ...
A combined spatial and frequency based texture model for organsegmentation in computed tomography examinations

Jafari, Aref; Hassanpour, Reza; Shahbahrami, Asadollah; Wong, Stephan (Amer Scientific Publishers, 2014-04)

The organ segmentation in computed tomography (CT) examination is a tedious and error prone task. The local similarity of the pixels from different organs, and the differences between the pixels of the same organ observed ...
A Two-Stage Matching Method for Multi-Component Shapes

Hassanpour, Reza (Univ Suceava, 2015)

In this paper a shape matching algorithm for multiple component objects has been proposed which aims at matching shapes by a two-stage method. The first stage extracts the similarity features of each component using a ...
Hierarchical SNR Scalable Video Coding with Adaptive Quantization for Reduced Drift Error

Choupani, Roya; Wong, Stephan; Tolun, Mehmet (2015)

In video coding, dependencies between frames are being exploited to achieve compression by only coding the differences. This dependency can potentially lead to decoding inaccuracies when there is a communication error, ...
A Comparative Evaluation Of Popular Search Engines On Finding Turkish Documents For A Specific Time Period

Bitirim, Yıltan; Görür, Abdül Kadir (Univ Osijek, Tech Fac, 2017-04)

This study evaluates the popular search engines, Google, Yahoo, Bing, and Ask, on finding Turkish documents by comparing their current performances with their performances measured six years ago. Furthermore, the study ...
In Search of the Origins and Enduring Impact of Agile Software Development

Clarke, Paul; O'Connor, Rory V.; Yılmaz,Murat (Assoc Computing Machinery, 2018)

The Agile Manifesto is a philosophical touchpoint for all agile software development (ASD) methods. We examine the manifesto and certain agile methods in an effort to identify the major impacts of ASD. We have encountered ...
Türk Beyin Cerrahlarının Teknolojiye Ulaşım İmkanları

Çağıltay, Nergiz (2018)
Identifying criminal organizations from their social network structures

Çınar, Muhammet Serkan; Genç, Burkay; Sever, Hayri (Tubitak Scientific & Technical Research Council Turkey, 2019)

Identification of criminal structures within very large social networks is an essential security feat. By identifying such structures, it may be possible to track, neutralize, and terminate the corresponding criminal ...
Sınıflandırmada Küçük ve Dengesiz Veri Kümesi Problemi

Par, Öznur Esra; Akçapınar Sezer, Ebru; Sever, Hayri (2019)

Verilerinin sınıflandırılması, veri kümesinin küçük ve dengesiz olması durumunda zorlaşmakta ve sınıflama performansını direkt etkilemektedir. Veri setinin küçük olması ve/veya sınıflar arasında dengesizlik olması veri ...
Otomatik Konuşma Tanımaya Genel Bakış, Yaklaşımlar ve Zorluklar: Türkçe Konuşma Tanımanın Gelecekteki Yolu

Oyucu, Saadin; Sever, Hayri; Polat, Hüseyin (2019)

İnsanlar arasındaki en önemli iletişim yöntemi olan konuşmanın, bilgisayarlar tarafından tanınması önemli bir çalışma alanıdır. Bu araştırma alanında farklı diller temel alınarak birçok çalışma gerçekleştirilmiştir. ...
Small and Unbalanced Data Set Problem in Classification

Par, Öznur Esra; Sezer, Ebru Akçapınar; Sever, Hayri (2019)

Classification of data is difficult in case of small and unbalanced data set and this problem directly affects the classification performance. Small and / or the imbalance dataset has become a major problem in data mining. ...
Otomatik Konuşma Tanıma Sistemlerinde Kullanılan Gerçek Metin Verisinde Biçimbilimsel-Sözdizimsel Hataların Tespiti ve Düzeltmesi

Polat, Hüseyin; Sever, Hayri; Oyucu, Saadin; Tekbaş, Şükran (2019)

Türkçe Otomatik Konuşma Tanıma (ASR: Automatic Speech Recognition) sistemlerinde kullanılan akustik model gürbüz bir dil modeli ile desteklenmediği durumlarda kelime hata oranı yüksek çıkmaktadır. İyi dizayn edilmiş bir ...

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