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检索条件"任意字段=Conference on Multimedia Content Access - Algorithms and Systems"

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Hidden Markov Model Based Characterization of content access Patterns in an e-Learning Environment

Hidden Markov Model Based Characterization of Content Access...

引用

IEEE International conference on multimedia and Expo (ICME)

作者： A.W.P. Fok H.S. Wong Y.S. Chen AIMtech Centre and Department of Computer Science City University of Hong Kong Hong Kong China

Personalized education (PE) emphasizes the importance of individual differences in learning. To deliver personalized e-learning services and content, PE encompasses the abilities of identifying and understanding individual learner's needs and competence so as to deploy appropriate learning pedagogy and content to enhance learning. In this paper, we introduce a hidden Markov model based classification approach to enable a multimedia e-learning system to characterize different types of users through their navigation or content access patterns. Our experiments show that the proposed approach is capable of assigning student users to their corresponding categories with high accuracies. The results of such classifications would find applications in adaptive user interface design, user profiling and as supportive tools in personalized e-learning

关键词： Hidden Markov models Electronic learning User interfaces multimedia systems Navigation Computer science Computer science education Communications technology Internet Bridges

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Implementation on event notification service over multimedia framework

Implementation on event notification service over multimedia...

引用

International conference on Computer and Information Science (ACIS)

作者： Kyunghee Ji Nammee Moon Jaegon Kim SUV Seoul South Korea Electronics and Telecommunications Research Institute

The appetite for consuming content and the accessibility of information continues to increase at a rapid pace. access devices, with a large set of differing terminal and network capabilities, possess the functionality to be used in different locations and environments: anywhere and anytime. Their users, however, are currently not given tools to deal efficiently with all the intricacies of this new multimedia usage context. Thus, new solutions are required for the access, delivery, management and protection processes of these different content types in an integrated and harmonized way, and they should be implemented in a manner that is entirely transparent to the many different users of multimedia services. In this paper, we design and develop the system for event notification service to support the transparent and augmented use of multimedia resources across a wide range of networks and devices.

关键词： IEC standards ISO standards content management Protection multimedia systems Moon Computerized monitoring Information science conference management Resource management

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content Understanding for Smart multimedia systems

Content Understanding for Smart Multimedia Systems

引用

Eurocon

作者： J.F. Tasic U. Burnik M. Ansorge J. Cid-Sueiro Faculty of Electrical Engineering University of Ljubljana Slovenia University of Neuchatel Neuehatel Switzerland University Carlos III Madrid Spain

The paper is presenting a core idea of the research line, dedicated to tools and utilities for a more friendly information access. In order to make future multimedia systems smarter, new mechanisms for high-level data... 详细信息

关键词： multimedia systems multimedia communication Data mining Communications technology Ontologies Object detection Event detection Layout Supply and demand Production

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Retrieving, Adapting and Delivering multimedia content Using a Mobile Agent Architecture

Retrieving, Adapting and Delivering Multimedia Content Using...

引用

IEEE International conference on multimedia and Expo (ICME)

作者： N. Papadakis A. Doulamis D. Skoutas A. Litke N. Doulamis T. Varvarigou National Technical University of Athens Zografou Athens Greece

An integrated, reconfigurable, adaptable and open system for mining, indexing and retrieving multimedia information based on a mobile agent technology scheme is presented. The system consists of three integral subsystems, namely the acquisition, the transformation and the distribution modules. Innovative algorithms are used to extract information from Web sources, transform it and deliver it to the end users. The system supports efficient content adaptation mechanisms, textual and visual summarization schemes (both sequential and hierarchical), automatic language translation, ontological representation, visual processing and Web-based data mining. Experimental analysis on real-life Web sites has been performed to test the efficiency of the proposed scheme and compare it with other approaches presented in the literature

关键词： content based retrieval Mobile agents Data mining Open systems Indexing Information retrieval multimedia systems Ontologies Performance analysis Performance evaluation

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New stream caching schemas for multimedia systems

New stream caching schemas for multimedia systems

引用

International conference on Automated Production of Cross Media content for Multi-Channel Distribution (AXMEDIS)

作者： J. Fernandez J. Carretero F. Garcia-Carballeira A. Calderon J.M. Perez-Menor Computer Science Department Computer Architecture Group Universidad Carlos III de Madrid Madrid Spain

In this paper a new multimedia caching strategy is proposed that includes several optimizations to the state of the art. This algorithm takes its roots from the interval caching algorithms but it evolves towards a more adaptive approaching that could obtain a better performance for variable bit-rate streams and serving media stored on multiple disks following different distributions. All of this without loosing competitiveness for constant bit-rate streams on a single disk. All this efforts are oriented towards the consecution of MUPIC (multi policy integrated cache), a cache architecture designed to fit the requirements of an integrated storage system that meet the requirements of deterministic applications, multimedia systems, and traditional best-effort applications altogether.

关键词： Streaming media multimedia systems Application software Computer architecture Computer science Cache storage Processor scheduling Scheduling algorithm Real time systems Runtime

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An overview of technologies for e-meeting and e-lecture

An overview of technologies for e-meeting and e-lecture

引用

IEEE International conference on multimedia and Expo (ICME)

作者： B. Erol Y. Li Ricoh California Research Center Menlo Park CA USA IBM Thomas J. Watson Research Center Hawthorne NY USA

Over the past few years, with the rapid adoption of broadband communication and advances in multimedia content capture and delivery, Web-based meetings and lectures, also referred to as e-meeting and e-lecture, have become popular among businesses and academic institutions because of their cost savings and capabilities in providing self-paced education and convenient content access and retrieval. In fact, the technological achievements in capture, analysis, access, and delivery of e-meeting and e-lecture media have already resulted in several working systems that are currently of regular usage. This paper gives an overview of existing work as well as state-of-the-art in these two research areas which are bound to affect the way we teach, learn, and collaborate.

关键词： Cameras content based retrieval Collaborative work Streaming media Video on demand Videoconference Microphone arrays Educational technology Broadband communication Business communication

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Efficient Hardware Search Engine for Associative content Retrieval of Long Queries in Huge multimedia Databases

Efficient Hardware Search Engine for Associative Content Ret...

引用

IEEE International conference on multimedia and Expo (ICME)

作者： C. Layer H.-J. Pfleiderer Department of Microelectronics University of Ulm Ulm Germany Universitat Ulm Ulm Baden-WÃ¼rttemberg DE

Due to the enormous increase in the stored digital contents, search and retrieval functionalities are necessary in multimedia systems. Though processor speed for standard PCs (Personal Computers) is experiencing an almost exponential growth, the memory subsystem handicapped by lower frequencies and a physical I/O (Input/Output) limitation reflects the bottleneck of common computer architectures. As a result, many applications such as database management systems remain so dependent on memory throughput that increases in CPU (Central Processing Unit) speeds are no longer helpful. Because average bandwidth is crucial for system performance, our research has focused especially on techniques for efficient storage and retrieval of multimedia data. This paper presents the realization of a hardware database search engine based on an associative access method for textual information retrieval. It reveals the internal architecture of the system and compares the results of our hardware prototype with the software solution

关键词： Hardware Search engines Information retrieval content based retrieval multimedia databases multimedia systems Computer architecture Central Processing Unit Personal communication networks Microcomputers

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An architecture of automating production of cross media content for multi-channel distribution

An architecture of automating production of cross media cont...

引用

International conference on Automated Production of Cross Media content for Multi-Channel Distribution (AXMEDIS)

作者： P. Bellini P. Nesi DISIT University of Florence Via S. Marta Florence Italy

The digital-content market is urging better pricing and value-for-money for industry products and services. This is clearly evident in the recent price policies of majors. Production costs must be drastically reduced without affecting product quality. content providers, aggregators and distributors constantly need to adopt innovative means of increasing efficiency in order to reduce cost. Possible solutions to this challenge could be found by automating, accelerating and restructuring production processes. AXMEDIS architecture and tools aim at reaching those results by: (i) reducing costs for content production with artificial intelligence algorithms for content composition, formatting, protection and workflow management, (ii) reducing distribution and integration costs, increasing accessibility, with a P2P platform at B2B level integrating content management systems and workflows, (iii) providing algorithms and tools for innovative and flexible digital rights management, exploiting MPEG-21 and overcoming its limits, supporting several business and transactions models. AXMEDIS is a large IST FP6 Integrated Project on Research and Development.

关键词： Grid computing multimedia systems Resource management content management multimedia computing Distributed computing Production systems Marketing and sales Acceleration Optimization methods

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Relevance Feedback in content-based Image Retrieval systems, an Overview and Analysis

Relevance Feedback in Content-based Image Retrieval Systems,...

引用

Eurocon

作者： D. Djordjevic E. Izquierdo Multimedia and Vision Research Laboratory Electrical Engineering Department Queen''s Mary University of London UK

In this paper an overview of relevant developments in visual relevance feedback based image retrieval is presented. Important problems of content-based image retrieval are analyzed and relevant findings from the evalu... 详细信息

关键词： Feedback Image retrieval content based retrieval Image analysis Humans Information retrieval multimedia databases Iterative algorithms Visual system Taxonomy

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Picturefinder: Description Logics for Semantic Image Retrieval

Picturefinder: Description Logics for Semantic Image Retriev...

引用

IEEE International conference on multimedia and Expo (ICME)

作者： J.-P. Schober T. Hermes O. Herzog Center for Computing Technologies University of Brethemen Germany

Large amount of images need an efficient way of retrieving them. The usual approach of manually annotating images and/or providing a syntactic retrieval capability lacks flexibility and comfort. The automatic annotation of images is a main target of the image retrieval community. These so-called content-based image retrieval (CBIR) systems focus on primitive features, as Eakins and Graham (1999) name them. Description logics (DL) offer a useful contribution to content-based image retrieval while allowing logical reasoning about the semantic contents of the image and ending with consistent classification results. This is a main advantage about traditional classification algorithms. Another advantage is the possibility to use domain knowledge, which is formulated in DL, on the retrieval side, thus offering a semantic retrieval. In this paper, we present an approach and the results of adopting a DL for classifying image regions

关键词： Logic Image retrieval content based retrieval Ontologies Computers Classification algorithms Internet Indexing Trademarks Knowledge management

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