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

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3rd International conference on Visual Information and Information systems, VISUAL 1999

3rd International Conference on Visual Information and Infor...

引用

3rd International conference on Visual Information systems, VISUAL 1999

ISBN: (纸本)3540660798

The proceedings contain 101 papers. The special focus in this conference is on Visual Information systems, Interactive Visual Query, Browsing Information Space, Internet Search Engines and Video Parsing. The topics include: Supporting image-retrieval by database driven interactive 3d information-visualization;querying multimedia data sources and databases;system for medical image retrieval;error-tolerant database for structured images;query processing and optimization for pictorial query trees;similarity search using multiple examples in mars;excluding specified colors from image queries using a multidimensional query space;generic viewer interaction semantics for dynamic virtual video synthesis;category oriented analysis for visual data mining;user interaction in region-based color image segmentation;using a relevance feedback mechanism to improve content-based image retrieval;region queries without segmentation for image retrieval by content;content-based image retrieval over the web using query by sketch and relevance feedback;task analysis for information visualization;exploiting interaction in image retrieval;visualization of information spaces to retrieve and browse image data;an architecture for using images to access and organize web information;a compact and retrieval-oriented video representation using mosaics;a visual search engine for distributed image and video database retrieval applications;a dynamic java-based intelligent interface for online image database searches;motion-based feature extraction and ascendant hierarchical classification for video indexing and retrieval;automatically segmenting movies into logical story units and scene segmentation and image feature extraction for video indexing and retrieval.

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Structured coding for content based interactive audio

Structured coding for content based interactive audio

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IEEE International conference on multimedia Computing and systems (ICMCS)

作者： K. Melih R. Gonzalez School of Information Technology Griffith University QLD Australia

The paper addresses the dual problem of audio coding for compression and retrieval. Because of the sheer volume of multimedia data, much research effort has focused on coding techniques for the compression of this data. However, being able to store large amounts of data in a compact fashion has limited application if there is no meaningful way to access and interact with them. Traditionally, these two issues have been treated separately resulting in many problems for multimedia data management. The authors have proposed a solution to these problems for audio by developing a compact, perceptually based, structured audio representation that provides explicit support for content based retrieval, browsing and other interactions. In addition, the representation offers potential for compressed data storage. The paper outlines a coding scheme based on the representation and reports the compression results.

关键词： content based retrieval Audio coding Data compression Information retrieval Music information retrieval Gold Postal services Australia Memory Transform coding

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Interactive content-based retrieval in video databases using fuzzy classification and relevance feedback

Interactive content-based retrieval in video databases using...

引用

IEEE International conference on multimedia Computing and systems (ICMCS)

作者： A.D. Doulamis Y.S. Avrithis N.D. Doulamis S.D. Kollias Department of Electrical and Computer Engineering National and Technical University of Athens Athens Greece

This paper presents an integrated framework for interactive content-based retrieval in video databases by means of visual queries. The proposed system incorporates algorithms for video shot detection, key-frame and shot selection, automated video object segmentation and tracking, and construction of multidimensional feature vectors using fuzzy classification of color, motion or texture segment properties. Retrieval is then performed in an interactive way by employing a parametric distance between feature vectors and updating distance parameters according to user requirements using relevance feedback. Experimental results demonstrate increased performance and flexibility according to user information needs.

关键词： Information retrieval content based retrieval Spatial databases Visual databases Object detection Gunshot detection systems Motion detection Object segmentation Tracking Multidimensional systems

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An alternative image retrieval system based on visual and thematic corpus organisation

An alternative image retrieval system based on visual and th...

引用

IEEE International conference on multimedia Computing and systems (ICMCS)

作者： G. Duffing UMR Loria Vandoeuvre-les-Nancy France

Retrieving images in large databases involves either thematic or visual querying capabilities. We think that both approaches can be efficiently combined to provide a thematically and visually relevant retrieval. This paper deals with bi-modal access in image retrieval systems. Our approach relies on a corpus organisation based on both visual and thematic clustering, allowing access to non-indexed images. An adapted retrieval process has been designed to reformulate queries, taking into account users' judgements that deal with thematic and visual aspects of their information needs.

关键词： Image retrieval Colored noise Information retrieval Shape content based retrieval Image color analysis Image databases Visual databases Process design Bridges

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Audio-visual content analysis for content-based video indexing

Audio-visual content analysis for content-based video indexi...

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IEEE International conference on multimedia Computing and systems (ICMCS)

作者： S. Tsekeridou I. Pitas Department of Informatics Aristotle University of Thessaloniki Thessaloniki Greece

An audio-visual content analysis method is presented, which analyzes both auditory and visual information sources and accounts for their inter-relations and coincidence to extract high-level semantic information. Both shot-based and object-based access to the visual information is employed. Due to the temporal nature of video, time has to be accounted for. Thus, time-constrained video labelling functions are generated. Audio source parsing leads to the extraction of a speaker identity mapping function over time. Visual source parsing results in the extraction of a talking face shot mapping function over time. Integration of the audio and visual mappings constrained by interaction rules leads to more detailed video content descriptions and even partial detection of its context.

关键词： Indexing Speech analysis Cepstral analysis Data mining content based retrieval Information analysis Information retrieval Performance analysis Informatics Labeling

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The Integrated multimedia Project

The Integrated Multimedia Project

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IEEE International conference on multimedia Computing and systems (ICMCS)

作者： H. Flinck J. Saarnio A. Scheller Nokia Research Center USA GMD FOKUS Germany

The Integrated multimedia Project (IMMP) studies interactive multimedia services and network technologies, addressing both residential and business users, focusing on the overlaps and synergy between the two. For this purpose, IMMP has set up and conducted a considerable number of trials with varying user profiles, network technologies, middleware components and applications. The trial network utilises multiple existing access networks such as Cable-TV and ISDN and connects to European ATM networks through the National Hosts. The IMMP consortium covers the complete interactive multimedia value chain by including network operators, service providers, equipment manufacturers, application developers and content providers. The paper presents project results with regard to market potential of interactive multimedia services, evaluation of different middleware technologies and end user feedback on the applications developed by IMMP.

关键词： Middleware multimedia systems Manufacturing Feedback ISDN IP networks Web and internet services Electronic commerce Educational technology HTML

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1999 2nd International conference on ATM, ICATM 1999

1999 2nd International Conference on ATM, ICATM 1999

引用

2nd International conference on ATM, ICATM 1999

ISBN: (纸本)0780354281

The proceedings contain 68 papers. The topics discussed include: a hybrid data/header interleaving strategy for wireless ATM networks;a comparison between multi-service MAC protocols employing Q-ary contention resolution algorithms including msSTART under a disaster scenario;optimal DLC protocol configuration for realistic broadband fixed wireless access networks based on ATM;analysis of a TCP connection over ABR, in presence of exogenous flow;routing protocols for wireless ad hoc ATM networks;hand-off and synchronization protocols for supporting multimedia communications in an ATM based wireless network;a flexible signalling protocol for supporting switched AAL type 2 connections in UMTS terrestrial radio access networks;evaluation of the virtual source-virtual destination-technique for available bit rate traffic in ATM-networks;evaluation of the TCP traffic over the ABR service targeted to support mass storage applications;a model of fault messages for maintenance of UNI/NNI resources in HANbit ACE64 ATM switching system;dynamic management of routing tables and connection re-routing in ATM networks;compound VC mechanism for native multicast in ATM networks;design and analysis of multicast delivery to provide VCR functionality in video-on demand systems;networks performance based connection admission control model in ATM networks: immediate and future reservation approaches;the design of an object-oriented simulation tool for evaluating ATM network resource control schemes;a framework for testing IP QoS over ATM networks: implementation and practical experiences;a novel approach to advanced asynchronous transfer mode for high-speed computer communication networks;and interaction of RSVP with ATM for the support of shortcut QoS virtual channels.

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Weighting spatial arrangement of colors in content based image retrieval

Weighting spatial arrangement of colors in content based ima...

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IEEE International conference on multimedia Computing and systems (ICMCS)

作者： S. Berretti A. Del Bimbo E. Vicario DSI Università di Firenze Florence Italy

content-based access to image databases relies on models which permit one to abstract images in some space of visual features. A large number of such models, addressing shape, texture, color and spatial arrangement features, have been proposed and experimented with. The fusion of multiple features within a single model is now being investigated as a way to increase the effectiveness of retrieval. In particular, the integration of color and spatial models is receiving growing interest. In this paper, we propose a representation which captures the spatial arrangement of the color sets of a picture, without talking into account their distribution in separate non-connected regions. A spatial modeling technique, which we call "weighted walkthroughs", is presented, and its suitability to support this representation is motivated and experimented on.

关键词： Image retrieval content based retrieval Histograms Information retrieval Image databases Shape Image segmentation Data engineering Indexing Humans

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Approximate retrieval approaches for incremental similarity searches

Approximate retrieval approaches for incremental similarity ...

引用

IEEE International conference on multimedia Computing and systems (ICMCS)

作者： A. Lumini D. Maio DEIS-CSITE-CNR Universitá di Bologna Bologna Italy

Similarity selections of objects in a very large database can be executed by an incremental search on the basis of their distance from a given point. To cope with this problem, indexing support and retrieval strategies, that are able to ensure good performance for different kinds of queries, need to be developed. In this work we propose incremental and approximate retrieval approaches for searching points in a d-dimensional metric space. Four new retrieval algorithms coupled with dynamical disk-based spatial structures are discussed and some experimental results are presented. In particular, two strategies named Chessboard and City Block respectively, implement approximate incremental searches on a grid file data structure and the others, heap queue and virtual tree, apply to hierarchical data structures such us the R-tree.

关键词： Indexing Image databases Information retrieval Image retrieval Data structures Cities and towns Management information systems content based retrieval Algorithm design and analysis content management

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Educational innovations in multimedia systems

Educational innovations in multimedia systems

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Frontiers in Education (FIE) conference

作者： W. Burleson A. Ganz L. Harris Department of Electrical and Computer Engineering University of Massachusetts Amherst MA USA University of Massachusetts Amherst Amherst MA US

multimedia systems have emerged as one of the fastest growing segments of computing systems and thus need to be well integrated into a computer engineering curriculum. Fortunately the teaching and learning of multimedia systems can be aided with novel instructional techniques based on multimedia. The DVD project at the University of Massachusetts Amherst is developing a unified set of instructional materials on the engineering techniques used in the design and test of hardware, software and networks for multimedia. This large project includes three facets: (1) multimedia instructional modules using web-linked digital video disks, (2) multimedia communication utilities to facilitate student interaction, and (3) multimedia component design projects. In this paper, we explain our approach to using multimedia as both content and instructional technology and briefly present preliminary results in each of the three facets.

关键词： Technological innovation multimedia systems DVD Application software Signal processing algorithms Design engineering Computer networks Computer graphics Hardware Signal processing

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