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2010 Second International Conferences on Advances in Multimedia最新文献

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Smooth and Scalable Wireless JPEG 2000 Images and Video Streaming with Dynamic Bandwidth Estimation 平滑和可扩展的无线JPEG 2000图像和视频流与动态带宽估计
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.40
Cristina Mairal, M. Agueh
{"title":"Smooth and Scalable Wireless JPEG 2000 Images and Video Streaming with Dynamic Bandwidth Estimation","authors":"Cristina Mairal, M. Agueh","doi":"10.1109/MMEDIA.2010.40","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.40","url":null,"abstract":"This paper presents a scalable scheme for efficient and smooth JPEG 2000 image/video transmission over wireless channels. The proposed system relies on an adaptive bandwidth estimation tool to select the suitable JPEG 2000streams layer and resolution. A Wireless JPEG 2000 (JPWL)compliant Forward Error Correction (FEC) scheme is used toensure codestreams protection against transmission errors. We demonstrate the effectiveness of the proposed system with a wireless JPEG 2000 streaming client/server application.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123442615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
An Adaptive Live Media Streaming Architecture 一种自适应的实时媒体流架构
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.33
L. Lambrinos, Ellie Demetriou
{"title":"An Adaptive Live Media Streaming Architecture","authors":"L. Lambrinos, Ellie Demetriou","doi":"10.1109/MMEDIA.2010.33","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.33","url":null,"abstract":"Multimedia streaming is a well established application in today’s Internet and broadcasts of live events are increasingly popular. It is often the case that network conditions change during a live broadcast and this can potentially lead to Quality of Service issues at the receiving clients. This paper proposes a multimedia streaming architecture that can adapt to changing network conditions. For scalability purposes and to reduce network load, jitter and packet loss, stream relays form an integral part of this architecture as they forward media data to nearby clients. During operation, and in a manner transparent to the user, clients may be dynamically assigned to different stream relays, this results in server load balancing and in maintaining high Quality of Service for the end-users.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"154 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126397824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Playing Interactivity in Public Space 在公共空间中发挥互动性
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.15
Jiun-Jhy Her
{"title":"Playing Interactivity in Public Space","authors":"Jiun-Jhy Her","doi":"10.1109/MMEDIA.2010.15","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.15","url":null,"abstract":"Digital interactive art provokes active inputs from the audience along with enjoyable and curious experiences, which alter the way audiences perceive and experience art. Through interactivity, outcomes become discernable and manifest upon diverse multimedia interfaces. This process is referred to as “play” - the action and outcome are often deemed major elements of this process. The purpose of this study is to deepen understanding of how artistic intent can be elicited through playful interactivities and to investigate forms of play that affect audience perceptions to, and encounters with, digital interactive arts. This research mainly focuses on interactions of play that take place between the audience and digital interactive arts installed in public spaces. By studying four interactive art installations in the MRT systems (Mass Rapid Transit) and in art galleries, as well as analyzing interviews carried out with the research participants, and art professionals, a number of important qualities and modes of play have been established.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128632287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Feedback-Based Performance Tuning for Self-Organizing Multimedia Retrieval Systems 基于反馈的自组织多媒体检索系统性能调优
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.19
J. Sedmidubský, Vlastislav Dohnal, P. Zezula
{"title":"Feedback-Based Performance Tuning for Self-Organizing Multimedia Retrieval Systems","authors":"J. Sedmidubský, Vlastislav Dohnal, P. Zezula","doi":"10.1109/MMEDIA.2010.19","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.19","url":null,"abstract":"We concentrate on content-based retrieval in unstructured P2P networks consisting of thousands of peers that unpredictably join and leave the network. Such environments with permanent churning of peers require self-organizing mechanisms that should deal with sudden peer failures, arrivals of new peers, and continual changes of data or network topology. In this paper, we propose a self-organizing search system that operates in an unstructured P2P network and allows users to search for multimedia data by their content. The peers are interconnected by relationships established according to answers returned to queries. In order to select appropriate relationships for query forwarding, we define and evaluate a new adaptive routing algorithm. The routing algorithm is influenced by automatically evaluated feedback, so the system does not need any user intervention. The experiments evaluated on a real-life image data set confirm that the proposed technique achieves high recall values, while contacts a moderate number of peers. In addition, we demonstrate resilience of the system to sudden peer failures by studying system performance and a quality of returned answers after a large number of peers is disconnected.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124218729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Volume Content Indexing Using a Fractal Coding Algorithm 使用分形编码算法的卷内容索引
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.44
M. Popescu, Mihai Tudorache, R. Tanasie
{"title":"Volume Content Indexing Using a Fractal Coding Algorithm","authors":"M. Popescu, Mihai Tudorache, R. Tanasie","doi":"10.1109/MMEDIA.2010.44","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.44","url":null,"abstract":"Current technology has made possible to scan volumes with ease and thus huge amount of data is generated. Devising algorithms to efficiently store and index this data is an open challenge. In this article we propose a theoretical approach to volume indexing by extending the idea of using fractal compression to index images, to the third dimension. The described technique uses a classification method that greatly improve the exponential complexity of the volume fractal coding. The compressed volume can then be used to be indexed in a digital library in a more efficient way. Then, content-based similarity queries can take full advantage of the self-similarity property of fractals. All these features will be present in an application that is currently under development.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117087985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Super Path: A Necessary Primitive for Vector Graphic Formats 超级路径:矢量图形格式的必要原语
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/mmedia.2010.39
Jean-Claude Moissinac, C. Concolato, J. L. Feuvre
{"title":"Super Path: A Necessary Primitive for Vector Graphic Formats","authors":"Jean-Claude Moissinac, C. Concolato, J. L. Feuvre","doi":"10.1109/mmedia.2010.39","DOIUrl":"https://doi.org/10.1109/mmedia.2010.39","url":null,"abstract":"Most 2D graphic languages deployed on the Internet today lack the ability to represent the topology of contiguous regions efficiently. This is becoming problematic with the growing number of map-based applications. In this paper, we introduce a new graphical primitive, called Super Path, to extend existing languages for 2D vector graphics, such as SVG. This primitive provides a way to represent the contours in a 2D graphic with a set of reusable chunks of contour. We present the motivations for this work with examples of 2D maps and some associated problems related to their editing, rendering, or adaptation. We give some results, which were obtained using the new primitive.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128748033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fast Mode Decision for H.264/AVC Encoding of Tunnel Surveillance Video 隧道监控视频H.264/AVC编码的快速模式选择
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.24
Tong Gan, P. R. Alface
{"title":"Fast Mode Decision for H.264/AVC Encoding of Tunnel Surveillance Video","authors":"Tong Gan, P. R. Alface","doi":"10.1109/MMEDIA.2010.24","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.24","url":null,"abstract":"Fast mode decision for H.264/AVC encoding has been extensively studied in the literature. However, most of the existing algorithms are designed for generic video taken under stable lighting conditions. In this paper, we focus on H.264/AVC encoding of tunnel traffic surveillance video. In such an application, the fast moving vehicles and the reflections of different lighting sources pose some particular challenges to H.264 coding. By studying the statistical distribution of MB and sub-MB modes and their spatial correlations, we propose a fast mode decision algorithm that exploits the unique features presented in tunnel surveillance video. The experimental results show that compared to a rate-distortion optimized H.264 encoder with early SKIP detection and full search mode decision, our proposed algorithm is able to achieve comparable rate-distortion performance with a 50-60% reduction of computation time.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127064338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Implementation and Evaluation of an Adaptive Multimedia Presentation System (AMPS) with Contextual Supplemental Support Media 具有上下文补充支持媒体的自适应多媒体表示系统(AMPS)的实现与评价
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.36
N. Rowe, Suzy Atfield-Cutts, Philip Davies, D. Newell
{"title":"Implementation and Evaluation of an Adaptive Multimedia Presentation System (AMPS) with Contextual Supplemental Support Media","authors":"N. Rowe, Suzy Atfield-Cutts, Philip Davies, D. Newell","doi":"10.1109/MMEDIA.2010.36","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.36","url":null,"abstract":"Requirements have been captured for a multimedia presentation learning system that adapts content through interactive interventions between the student and tutor [5]. With the addition of contextual supplementary learning materials selected by a tutor responding to a series of email questions, supplementary video segments that personalise learning are added. A prototype has been developed using HTML, Flash and XML. Evaluation in this paper shows that adaptation was achieved but with some drawbacks. An analysis model at semantic and data level, needed to process an adaptive multimedia presentation system) in real-time is described, raising several research questions. Our results show that the addition of context-based rules to process and recommend descriptions of segmented multimedia components according to a bounded ontology can potentially produce dynamic adaptation of learning material in real-time. A new demonstrator application is under development.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126576569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Remote Fruition of Architectures: R&D and Training Experiences 架构的远程成果:研发和培训经验
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.38
A. Lerario, N. Maiellaro, M. Zonno
{"title":"Remote Fruition of Architectures: R&D and Training Experiences","authors":"A. Lerario, N. Maiellaro, M. Zonno","doi":"10.1109/MMEDIA.2010.38","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.38","url":null,"abstract":"Remote fruition of architectures can be enhanced by using virtual tours more effectively. This technology suffers from a lack of information about context and objects, our user-centered approach described in this paper attempt to make progress in this direction to deliver virtual tours as a powerful, active learning tool to enhance understanding of monuments and sites, especially those with limited physical accessibility. First, a description of the basic principles, goals and methodological approach is presented. After a reflection on the potentiality of multimedia, web technologies and hypermedia in cultural heritage promotion, an experience in education & training is described in detail, focusing on technologies, learning approach and final products of the course programme. First results of a work in progress - capacity building in Srebrenica, Bosnia - close the paper.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124611979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Approach to Identity Card-Based Voice-over-IP Authentication 基于身份证的ip话音认证方法
2010 Second International Conferences on Advances in Multimedia Pub Date : 2010-06-13 DOI: 10.1109/MMEDIA.2010.30
Andreas Plies, M. Massoth, R. Marx
{"title":"Approach to Identity Card-Based Voice-over-IP Authentication","authors":"Andreas Plies, M. Massoth, R. Marx","doi":"10.1109/MMEDIA.2010.30","DOIUrl":"https://doi.org/10.1109/MMEDIA.2010.30","url":null,"abstract":"Voice-over-IP (VoIP)-based services are becoming a popular alternative to traditional public switched telephony. The increasing number of users make VoIP also an interesting target for attackers. VoIP phishing and identity theft are gaining relevance. The lack of options for the reliable authentication between communication partners and the possibilities for anonymisation in IP-based telephony will allow attackers to steal confidential and personal information unperceived. This paper presents an approach for a reliable VoIP authentication, using federal electronic identity cards. The proposed authentication mechanism allows determining the identity of caller and callee in VoIP calls.","PeriodicalId":238480,"journal":{"name":"2010 Second International Conferences on Advances in Multimedia","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114432022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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