114 resultados para Multimedia indexing


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In this paper we compare ranking effectiveness of heterogeneous multimedia document retrieval when different image organizations are used for formulating queries. The quality of image queries depends on the organization of images used to make queries which in turn significantly impacts retrieval precision. CBIR (content based information retrieval) needs an effective and efficient organization of images including user interface which must be part of the configuration parameters of image retrieval research.

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Content-based indexing is fundamental to support and sustain the ongoing growth of broadcasted sports video. The main challenge is to design extensible frameworks to detect and index highlight events. This paper presents: 1) A statistical-driven event detection approach that utilizes a minimum amount of manual knowledge and is based on a universal scope-of-detection and audio-visual features; 2) A semi-schema-based indexing that combines the benefits of schema-based modeling to ensure that the video indexes are valid at all time without manual checking, and schema-less modeling to allow several passes of instantiation in which additional elements can be declared. To demonstrate the performance of the events detection, a large dataset of sport videos with a total of around 15 hours including soccer, basketball and Australian football is used.

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The breathless pace of change in the news media renders many traditional "how to" journalism guides out of date. Here's an up-to-date essential starter kit for aspiring journalists. All the basics about the power of words and the potency of numbers. Useful tips about internet use, technology, video journalism and photography. The career path, a neglected topic, will be invaluable for those who want to know where and how to start. Reporting in a Multimedia World is highly recommended.Professor Judy McGregor, Head of Department of Communication and Journalism, Massey University, New Zealand.Every journalist must be able to conduct an interview and write snappy copy. But now journalists need broader skills as well. No matter what field they are working in many now need to be able to wield a digital recorder or take photographs, talk to camera convincingly, and create content for online delivery. Reporting in a Multimedia World offers a thorough overview of the core skills journalists need for the 21st century. The authors show how to generate story ideas, handle interviews, write for different audiences, and edit your own copy. They explain the basics of news photography and broadcast media, as well as the requirements of Internet journalism. They also look at professional issues and career strategies. Written in a lively style and with case studies and tips from experienced journalists Reporting in a Multimedia World is an ideal introduction to an exciting and demanding profession.

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The International Multimedia Modeling conference series is an annual forum to discuss the efficient representation, processing, interaction, integration, communication, and retrieval of multimedia information.
In particular, the 11th International Multimedia Modeling Conference (MMM2005) concentrates on common modeling frameworks for integrating the diverse fields of visual, audio, video, and virtual world information.
MMM2005 deals with emerging Multimedia Modeling topics that include:
• Audio Analysis and Modeling
• Video Manipulation and Modeling
• Video Mining and MPEG
• Image Modeling and Editing
• Image Retrieval
Multimedia Presentation and Knowledge Sharing
• AI and Image Recognition
• Mobile and Virtual Multimedia Environments

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The International Multimedia Modelling conference series is an annual forum to discuss the efficient representation, processing, interaction, integration, communication, and retrieval of multimedia information.
In particular, the 10th International Multimedia Modelling Conference (MMM2004) concentrates on common modelling frameworks for integrating the diverse fields of visual, audio, video, and
virtual world information.
MMM2004 deals with emerging Multimedia Modelling topics including:
Multimedia Databases
• Audio Processing, Coding and Encryption
• Network Games and Animation
• Video Applications
Multimedia Frameworks and QoS
• Topological and 3D Geometric Modelling
• Image Applications
• Image Retrieval
• Modelling / Editing / Virtual Environment
• Video Retrieval and Browsing

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Students’ learning experience can be affected by difficulties in understanding the interrelationships between concepts and also between topics. Concept maps have been used in many disciplines (Kremer & Gains, 1996) to structure information and express relationships between them. Their holistic approach with multiple pathways through the learning resource can make relationships and linkages between topics and subtopics obvious, and contribute to a meaningful and positive learning experience. This paper outlines the development and formative evaluation of two hypermedia concept maps which led to the development of a series of eleven concept maps to enhance the learning experience of students in a first year undergraduate business law unit.

As part of the Stage 1 formative evaluation, two concept maps were developed together with supporting multimedia resources and trialled on the learners. Feedback was also obtained from technical staff. This phase was designed to assess and control the quality of the learning resource as well as the impact it had on the learning experience. The paper closes by discussing how information gained in Stage 1 was used in Stage 2 as a basis to modify the initially trialled maps and to develop the other supporting maps.

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Issue addressed: This paper describes a multimedia campaign implemented in rural New South Wales on a budget smaller than that typical of many published campaigns. The 'To Be Young at Heart- Stay Active Stay Independent' (SASI) campaign was one arm of a multi- strategic program to reduce falls among seniors by promoting physical activity. Methods: This 18-month campaign used social marketing techniques. Central to this campaign was strong formative research, significant use of corporate, community and media partnerships and a detailed, strategic distribution plan. Campaign reach was evaluated by a community intercept survey. Results: A variety of high quality information, education and communication (IEC) resources were developed. Overall, the campaign cost was calculated at $191,000. The actual cost of $42,000 (excluding staff time) was used to generate almost double this amount in sponsorship ($82,000). In the mid-campaign reach survey, 36% recognised the campaign and attributed this to television (58%), newspaper (33%), poster (13%) and bus-back advertising (8%). Of these respondents, 21% reported seeking information about physical activity, 33% reported increased intention to be more active, and 22% reported becoming more active as a result of the campaign. Conclusions: It is possible to develop and deliver a well designed, multimedia campaign on a limited budget by using sound formative research and engaging community and corporate partners to generate sponsorship. An effective distribution strategy is crucial and may require additional partnerships at State or national level.