Now showing items 1-20 of 21

    • 3D thumbnails for mobile media browser interface with autostereoscopic displays 

      Gundogdu, R.B.; Yigit, Y.; Capin, T. (2009)
      In this paper, we focus on the problem of how to visualize and browse 3D videos and 3D images in a media browser application, running on a 3D-enabled mobile device with an autostereoscopic display. We propose a 3D thumbnail ...
    • Benchmark Solutions of Large Problems for Evaluating Accuracy and Efficiency of Electromagnetics Solvers 

      Ergul, O.; Gurel, L. (2011)
      We present a set of benchmark problems involving conducting spheres and their solutions using a parallel implementation of the multilevel fast multipole algorithm (MLFMA). Accuracy of the implementation is tested by comparing ...
    • Capture resilient ElGamal signature protocols 

      Acan, H.; Kaya, K.; Selçuk, A. A. (Springer Verlag, 2006)
      One of the fundamental problems of public key cryptography is protecting the private key. Private keys are too long to be remembered by the user, and storing them in the device which performs the private key operation is ...
    • Client-server synchronization and buffering for variable rate multimedia retrievals 

      Hui J.Y.; Karasan, E.; Li J.; Zhang, J. (1996)
      We consider the use of large buffers and feedback as a mechanism to maintain loosely coupled synchronization between a multimedia server and a client. The multimedia stream is modeled as a fluid flow through rate controlled ...
    • Content-based retrieval of news videos using relevance feedback 

      Çavuş Ö.; Aksoy, S. (2006)
      Content-based retrieval in news video databases has become an important task with the availability of large quantities of data in both public and proprietary archives. We describe a relevance feedback technique that captures ...
    • Cost-aware strategies for query result caching in Web search engines 

      Ozcan, R.; Altingovde, I. S.; Ulusoy, O. (Association for Computing Machinery, 2011)
      Search engines and large-scale IR systems need to cache query results for efficiency and scalability purposes. Static and dynamic caching techniques (as well as their combinations) are employed to effectively cache query ...
    • COST292 experimental framework for TRECVID 2006 

      Ćalić J.; Krämer P.; Naci, U.; Vrochidis, S.; Aksoy, S.; Zhangk Q.; Benois-Pineau J.; Saracoglu, A.; Doulaverakis, C.; Jarina, R.; Campbell, N.; Mezaris V.; Kompatsiaris I.; Spyrou, E.; Koumoulos G.; Avrithis, Y.; Dalkilic, A.; Alatan, A.; Hanjalic, A.; Izquierdo, E. (National Institute of Standards and Technology, 2006)
      In this paper we give an overview of the four TRECVID tasks submitted by COST292, European network of institutions in the area of semantic multimodal analysis and retrieval of digital video media. Initially, we present ...
    • The COST292 experimental framework for TRECVID 2007 

      Zhang, Q.; Corvaglia, M.; Aksoy, S.; Naci, U.; Adami, N.; Aginako, N.; Alatan, A.; Alexandre, L. A.; Almeida, P.; Avrithis, Y.; Benois-Pineau, J.; Chandramouli, K.; Damnjanovic, U.; Esen, E.; Goya, J.; Grzegorzek, M.; Hanjalic, A.; Izquierdo, E.; Jarina, R.; Kapsalas, P.; Kompatsiaris, I.; Kuba, M.; Leonardi, R.; Makris, L.; Mansencal, B.; Mezaris, V.; Moumtzidou, A.; Mylonas, P.; Nikolopoulos, S.; Piatrik, T.; Pinheiro, A. M. G.; Reljin, B.; Spyrou, E.; Tolias, G.; Vrochidis, S.; Yakın, G.; Zajic, G. (National Institute of Standards and Technology, 2007)
      In this paper, we give an overview of the four tasks submitted to TRECVID 2007 by COST292. In shot boundary (SB) detection task, four SB detectors have been developed and the results are merged using two merging algorithms. ...
    • Distributed interactive video system design and analysis 

      Wu, Tsong-Ho; Korpeoglu, I.; Cheng, Bo-Chao (Institute of Electrical and Electronics Engineers, 1997)
      The interactive video (IV) market has been expected to capture a significant share of the huge potential revenues to be generated by the business and residential markets. The level of revenues generated depends on the ...
    • The effects of structural characteristics of explanations on use of a DSS 

      Gönül, M. S.; Önkal D.; Lawrence, M. (Elsevier, 2006)
      Research in the field of expert systems has shown that providing supporting explanations may influence effective use of system developed advice. However, despite many studies showing the less than optimal use made of DSS ...
    • Energy-price-driven query processing in multi-center web search engines 

      Kayaaslan, E.; Cambazoglu, B. B.; Blanco, R.; Junqueira, F. P.; Aykanat, C. (2011)
      Concurrently processing thousands of web queries, each with a response time under a fraction of a second, necessitates maintaining and operating massive data centers. For large-scale web search engines, this translates ...
    • Enhanced user performance in an image gallery application with a mobile autostereoscopic touch display 

      Sassi, A.; Pöyhönen P.; Jakonen, S.; Suomi, S.; Capin, T.; Häkkinen J. (Elsevier, 2014)
      In this study, we explored how stereoscopic depth affects performance and user experience in a mobile device with an autostereoscopic touch display. Participants conducted a visual search task with an image gallery application ...
    • Evolution of web search results within years 

      Altingovde, I. S.; Ozcan, R.; Ulusoy, O. (2011)
      We provide a first large-scale analysis of the evolution of query results obtained from a real search engine at two distant points in time, namely, in 2007 and 2010, for a set of 630,000 real queries.
    • Fine arts perspective in user interface design 

      Kültür, C.; Veryeri Alaca I. (2009)
      In this poster, we first aim to explain an interdisciplinary approach and question an idea and attempt. Second, we aim to underline challenges and enablers of such an attempt. This idea can be briefly summarized as "inclusion ...
    • Modeling interestingness of streaming classification rules as a classification problem 

      Aydın, T.; Güvenir, H. A. (Springer, 2006)
      Inducing classification rules on domains from which information is gathered at regular periods lead the number of such classification rules to be generally so huge that selection of interesting ones among all discovered ...
    • The state of the art in mobile graphics research 

      Capin, T.; Pulli, K.; Akenine-Möller, T. (Institute of Electrical and Electronics Engineers, 2008)
      High-quality computer graphics let mobile-device users access more compelling content. Still, the devices' limitations and requirements differ substantially from those of a PC. This survey of mobile graphics research ...
    • Timestamp-based result cache invalidation for web search engines 

      Alici, S.; Altingovde I.S.; Ozcan, R.; Cambazoglu, B.B.; Ulusoy O. (2011)
      The result cache is a vital component for efficiency of large-scale web search engines, and maintaining the freshness of cached query results is the current research challenge. As a remedy to this problem, our work proposes ...
    • Toward an estimation of user tagging credibility for social image retrieval 

      Ginsca, A. L.; Popescu, A.; Ionescu, B.; Armagan, A.; Kanellos, I. (Association for Computing Machinery, Inc, 2014)
      Existing image retrieval systems exploit textual or/and visual information to return results. Retrieval is mostly focused on data themselves and disregards the data sources. In Web 2.0 platforms, the quality of annotations ...
    • Towards a quality service layer for Web 2.0 

      Schaal, M.; Davenport, D.; Cevik, A. H. (Springer, 2011)
      Despite the help of search engines and Web directories, identifying high quality content becomes increasingly difficult as the Internet gets ever more crowded with information. Prior approaches for filtering and searching ...
    • Use of intuitive tools to enhance student learning and user experience 

      Altin, R.; Bektik, M.; Ekşioǧlu, N.; Koray, C.; Öner Ö.C.; Sadetaş, M.; Şener H.; Şimşek, D.; Ma, C.-C.; Price, C.; Routh, C.R. (2009)
      Most user interfaces today present system functions by use of verbal or iconic symbols on static 2D menu pages organized in a hierarchical system [1]. This is unnatural to all human beings and must be learned, thus being ...