2,514 research outputs found

    THE NEW “UNIVERSAL TRUTH” OF THE WORLD WIDE WEB

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    We all see that the world wide web is permanently evolving and developing. New websites are created continuously and push the limits of the old HTML specs in all respects. HTML4 is the real standard for almost 10 years and developers are starting to look for new and improved technologies to help them provide greater functionality. In order to give the authors flexibility and interoperability and to enable much more interactive and innovative websites and applications, HTML5 introduces and enhances a large set of features, such as new form elements, APIs, multimedia elements, structure and semantics updates. The development of HTML5, started in 2004, is currently carried out by a joint effort of the W3C HTMLWG and the WHATWG organizations. A lot of important companies participate in this effort, including the largest browser developers: Microsoft, Mozilla, Opera and Apple. The specifications of the new “to be” standard is still work in progress and quite a way lies ahead before its completion. Taking into account this fact there is a certain possibility that the features presented below have already been somehow modified or changed even in the near future.html5, cross-platform, css3, JavaScript, mobile application development, flexibility, interoperability

    Visual Information Retrieval in Endoscopic Video Archives

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    In endoscopic procedures, surgeons work with live video streams from the inside of their subjects. A main source for documentation of procedures are still frames from the video, identified and taken during the surgery. However, with growing demands and technical means, the streams are saved to storage servers and the surgeons need to retrieve parts of the videos on demand. In this submission we present a demo application allowing for video retrieval based on visual features and late fusion, which allows surgeons to re-find shots taken during the procedure.Comment: Paper accepted at the IEEE/ACM 13th International Workshop on Content-Based Multimedia Indexing (CBMI) in Prague (Czech Republic) between 10 and 12 June 201

    Synchronizing Web Documents with Style

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    In this paper we report on our efforts to define a set of document extensions to Cascading Style Sheets (CSS) that allow for structured timing and synchronization of elements within a Web page. Our work considers the scenario in which the temporal structure can be decoupled from the content of the Web page in a similar way that CSS does with the layout, colors and fonts. Based on the SMIL (Synchronized Multimedia Integration Language) temporal model we propose CSS document extensions and discuss the design and implementation of a proof of concept that realizes our contributions. As HTML5 seems to move away from technologies like Flash and XML (eXtensible Markup Language), we believe our approach provides a flexible declarative solution to specify rich media experiences that is more aligned with current Web practices

    Understanding the role of Digital Commons in the Web; The making of HTML5

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    The last version of Web́s hypertext standard has been developed from 2004 to 2014. During this era, HTML5 has experienced different crossroads due to the variety of motivations and needs that the main stakeholders interested in its development had. On October 2014, the standard got official by the W3C and closed a period of uncertainty around the future of the Web but at the same time, this agreement also introduced a major change in the own conception of the hypertext́s standard. In this paper we review the current status of digital commons on the Web and the development of HTML5. We also confront this analysis with several semi-structured interviews carried out with different experts in web development that represent at the same time different players of Web́s value chain. We argue that the development of HTML5 represents a new digital commons that prevented the proliferation of proprietary software that took place during the “Web 2.0” period. We claim that the World Wide Web promotes the development of new digital commons due to its own basis as a non-proprietary socio-technological platform. We also conclude that the development of standards and non-proprietary digital technologies is of outmost importance for the future of web business models that are fuelled by major digital players

    Flexi-WVSNP-DASH: A Wireless Video Sensor Network Platform for the Internet of Things

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    abstract: Video capture, storage, and distribution in wireless video sensor networks (WVSNs) critically depends on the resources of the nodes forming the sensor networks. In the era of big data, Internet of Things (IoT), and distributed demand and solutions, there is a need for multi-dimensional data to be part of the Sensor Network data that is easily accessible and consumable by humanity as well as machinery. Images and video are expected to become as ubiquitous as is the scalar data in traditional sensor networks. The inception of video-streaming over the Internet, heralded a relentless research for effective ways of distributing video in a scalable and cost effective way. There has been novel implementation attempts across several network layers. Due to the inherent complications of backward compatibility and need for standardization across network layers, there has been a refocused attention to address most of the video distribution over the application layer. As a result, a few video streaming solutions over the Hypertext Transfer Protocol (HTTP) have been proposed. Most notable are Apple’s HTTP Live Streaming (HLS) and the Motion Picture Experts Groups Dynamic Adaptive Streaming over HTTP (MPEG-DASH). These frameworks, do not address the typical and future WVSN use cases. A highly flexible Wireless Video Sensor Network Platform and compatible DASH (WVSNP-DASH) are introduced. The platform's goal is to usher video as a data element that can be integrated into traditional and non-Internet networks. A low cost, scalable node is built from the ground up to be fully compatible with the Internet of Things Machine to Machine (M2M) concept, as well as the ability to be easily re-targeted to new applications in a short time. Flexi-WVSNP design includes a multi-radio node, a middle-ware for sensor operation and communication, a cross platform client facing data retriever/player framework, scalable security as well as a cohesive but decoupled hardware and software design.Dissertation/ThesisDoctoral Dissertation Electrical Engineering 201

    Synote: weaving media fragments and linked data

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    While end users could easily share and tag the multimedia resources online, the searching and reusing of the inside content of multimedia, such as a certain area within an image or a ten minutes segment within a one-hour video, is still difficult. Linked data is a promising way to interlink media fragments with other resources. Many applications in Web 2.0 have generated large amount of external annotations linked to media fragments. In this paper, we use Synote as the target application to discuss how media fragments could be published together with external annotations following linked data principles. Our design solves the dereferencing, describing and interlinking methods problems in interlinking multimedia. We also implement a model to let Google index media fragments which improves media fragments' online presence. The evaluation shows that our design can successfully publish media fragments and annotations for both semantic Web agents and traditional search engines. Publishing media fragments using the design we describe in this paper will lead to better indexing of multimedia resources and their consequent findabilit

    A Multivariate Analysis of the Human Factors and Preferences Towards Digital Publishing Platforms for the iPad

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    Tablet computers have been widely adopted in America today, with 34% of American adults ages 18+ owning this type of digital device (PEW, 2013). With the emergence of new portable computer technology, reading on digital devices has become more popular than ever before. In particular, tablet computers have enabled users to read enhanced e-book material that, while still text-driven, incorporates all facets of multimedia and technology. With many different digital publishing solutions available for publishers to deploy their content, the goal of this research study was to determine whether there are significant differences in user preferences and comprehension for a publication re-created with three different digital publishing solutions (i.e., Adobe DPS, iBooks Author, and EPUB). The methodology of this research study was a human factors experiment testing for a significant difference in the reading experience of subjects exposed to one of three digital publications. A field experiment consisting of ninety subjects assessed these publications, thirty for each of the three output formats. No significant difference among the publications was found for readers\u27 pleasure with the overall experience or for their interaction with the multimedia elements. A marginally significant difference among the publications was found for the value added by the multimedia elements of the publication. A significant difference among the publications was found for the readers\u27 ability to recognize information and comprehend material from the publication. Ultimately, these results showed a trend that readers\u27 of the digital publishing platforms that allowed for greater interactivity experienced more value added by the multimedia elements of the publication and increased ability to recognize information from the publication. However, the pleasure with the overall experience of the publication and the readers\u27 interaction with the multimedia elements in the publication was determined to not have a significant difference between the publications. Therefore, while readers did not tend to interact differently with the multimedia content or experience any greater pleasure based on the publication they read, readers of more interactive publications did tend to see more value added by the multimedia elements and were better able to recognize the information they had experienced
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