2,121 research outputs found

    Searching for videos on Apple iPad and iPhone

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    In this demonstration we introduce our content-based video search system which runs as an app on the Apple iPad or iPhone. Our work on video search is motivated by the need to introduce content-based video search techniques, which are currently the preserve of the research community, to the larger YouTube generation. It was with this in mind, that we have developed a simple but engaging content based video search engine which uses an iPad or iPhone app as the front-end user interface. Our app supports the three common modes for content-based video search: text search, concept search and image-similarity search. Our iPad system was evaluated as part of the TRECVid 2010 evaluation campaign where we compared the performance of novice versus expert users

    Sharing large data collections between mobile peers

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    New directions in the provision of end-user computing experiences mean that we need to determine the best way to share data between small mobile computing devices. Partitioning large structures so that they can be shared efficiently provides a basis for data-intensive applications on such platforms. In conjunction with such an approach, dictionary-based compression techniques provide additional benefits and help to prolong battery life

    Use of antiepileptic drugs and lipid-lowering agents in the United States.

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    INTRODUCTION: The extent to which enzyme-inducing antiepileptic drugs (EIAEDs) are used as first-line treatment in the United States remains unknown. Studies suggest that EIAEDs produce elevation of serum lipids, which could require additional treatment. We assessed the current use of EIAED in monotherapy for epilepsy in the U.S., as well as the correlation between the use of EIAEDs and subsequent new prescriptions for HMG-CoA reductase inhibitors ( statins ) for hyperlipidemia. METHODS: We queried the MarketScanÂź databases between July 2009 and January 2013, covering 66million patients with commercial or supplemental Medicare insurance. We identified individuals who had a diagnosis of seizures, continuous enrollment in the database from 6months prior to 24months after the epilepsy diagnosis, no utilization of an AED or a statin prior to that diagnosis, and at least 1 new AED prescription. We tabulated the fraction of subjects who were prescribed EIAEDs (phenytoin, carbamazepine, or barbiturates) and those prescribed all other AEDs. Rates of new statin prescription between 1 and 24months after AED prescription were assessed among the two groups, restricted to those with no prior history of vascular disease who had lipid serology obtained subsequent to the new AED prescription. RESULTS: Of the 11,893 patients with newly treated epilepsy, 2425 (20.4%) were started on an EIAED, and 9468 (79.6%) were started on a noninducing AED. There was a consistent and significant trend for EIAEDs to be increasingly prescribed with increasing age (p CONCLUSIONS: Enzyme-inducing antiepileptic drug prescription for epilepsy appears to increase with increasing age in the U.S. despite the absence of a cogent rationale for this practice, suggesting a failure to appreciate the complications of EIAED therapy among U.S. physicians. Statins were more often prescribed to those newly treated with EIAEDs compared with those given noninducing AEDs. These preliminary data provide further evidence suggesting that EIAEDs elevate lipids in a clinically meaningful manner

    Senior Recital - Beth Foley

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    Presented in partial fulfillment of the requirements for the Bachelor of Music degree in Music Educationhttps://digitalcommons.usu.edu/music_programs/1103/thumbnail.jp

    TRECVid 2011 Experiments at Dublin City University

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    This year the iAd-DCU team participated in three of the assigned TRECVid 2011 tasks; Semantic Indexing (SIN), Interactive Known-Item Search (KIS) and Multimedia Event Detection (MED). For the SIN task we presented three full runs using global features, local features and fusion of global, local features and relationships between concepts respectively. The evaluation results show that local features achieve better performance, with marginal gains found when introducing global features and relationships between concepts. With regard to our KIS submission, similar to our 2010 KIS experiments, we have implemented an iPad interface to a KIS video search tool. The aim of this year’s experimentation was to evaluate different display methodologies for KIS interaction. For this work, we integrate a clustering element for keyframes, which operates over MPEG-7 features using k-means clustering. In addition, we employ concept detection, not simply for search, but as a means of choosing most representative keyframes for ranked items. For our experiments we compare the baseline non-clustering system to a clustering system on a topic by topic basis. Finally, for the first time this year the iAd group at DCU has been involved in the MED Task. Two techniques are compared, employing low-level features directly and using concepts as intermediate representations. Evaluation results show promising initial results when performing event detection using concepts as intermediate representations

    Research to Practice: Collaboration Between Medicaid and Other State Agencies- Findings from the National Survey of State Systems and Employment for People with Disabilities

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    Many state Medicaid agencies are playing a greater role in multi-agency efforts to promote employment for people with disabilities. This brief uses data from the National Survey of State Systems and Employment for People with Disabilities to explore the varieties of collaboration Medicaid agencies are using and the agencies they are collaborating with

    Session A, 2017 Second Place: Effect of Both Presence of White Stripe and Size of Organism on Cryptic Color Change in American Toads

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    One major defensive mechanism of American Toads (Anaxyrus americanus) against predation is cryptic coloration; they undergo a color change to match their substrates. The observation of a distinct white stripe on some Adirondack toads led us to question how the stripe impacts the toad’s ability to match substrate color. We hypothesized that American Toads with a distinct white stripe will have a faster rate of color change (measured in change of MCV’s per minute) than American Toads without white stripes. Due to the difference in sizes of the toads, we also hypothesized that smaller toads would undergo a faster color change (change in MCV’s per minute) due to their smaller surface area. Thirty-one toads were collected after sunset on the trails immediately surrounding the campus. These toads served as both the experimental and sampling units. They were brought back to the lab and color change was tested from a light to dark tank over a total of 3 hours. One two sample T-test and one regression analysis were used to statistically analyze the data for hypothesis one and two, respectively. The mean findings for the presence or absence of a white stripe on rate of color change will be presented and discussed, as well as the hypothesis on color change rate based on size. The findings from this experiment could potentially explain how the diverse coloration of Adirondack toad populations persist with distinct markings
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