Audio-based Event Detection for Sports Video pot
Audio-based Event Detection for Sports Video pot
... points for each event, which aided this process.Using this information, a window from the start of the event to the end of thecrowd response was created, for each true event. To measure performance, ... were placed in a seventh ‘ambiguous’ outlier class. Event Detection To identify key events, given a classified audio sequence, afurther decision process was formed. Since a key event triggers a ... alarger training sample performed better.3.2 Event Detection ResultsTo measure the event detection approach, we gathered match reports and de-tailed game statistics for two new unseen games....
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Báo cáo khoa học: "A Support Platform for Event Detection using Social Intelligence" pot
... the Association for Computational Linguistics, pages 69–72,Avignon, France, April 23 - 27 2012.c2012 Association for Computational LinguisticsA Support Platform for Event Detection using ... with facility for rich user interaction.Our starting in the development of this systemwas the Ushahidi platform,1which has high up-take for social media surveillance and informationdissemination ... substitutions (e.g. b4 “before”)and vowel lengthening (e.g. goooood “good”).3.4 GeolocationA vital component of event detection is the de-termination of where the event is happening, e.g.to...
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Lucid Dreaming: Reliable Analog Event Detection for EnergyConstrained Applications ppt
... as event detection sensors, e.g.,– Solar cells, for light;– Unbiased microphones, for audio;– Piezoelectric elements, for vibration; and– Peltier elements, for temperature differences.• Event ... output characteristics solely for the purposeof event detection. For example, in the ACM applica-tion, the geophone is used to detect events. However,upon detecting an event, the system activates ... used for detection of events but not necessarily for recording detailed measurements of them.3. Events are rare and the computation and/or commu-nication they trigger is short relative to the event...
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Sparse Reconstruction Cost for Abnormal Event Detection pot
... abnormal event detection for three sample videos from UMN dataset. The top row representssnapshots of the result for a video in the dataset. At the bottom, the ground truth bar and the detection ... one abnormal event. Three different levels of mea-surements are applied for evaluation, which are Pixel-level,Frame-level and Event- level measurements.4.1. Global Abnormal Event Detection The ... outlier detection criteria. Our method provides aunified solution to detect both local abnormal events (LAE)and global abnormal events (GAE). We further extend it tosupport online abnormal event detection...
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Tài liệu Semi-supervised Adapted HMMs for Unusual Event Detection docx
... that there is no need for unusual event training data for our approach. For the un-supervised HMM, there is no need for training data. Thepercentage of frames for unusual events in the test sequenceis ... follows:FARnumber of FAsnumber of u sual event samples(9)FRRnumber of FRsnumber of unusual event samples(10)The performance for an ideal event detection algorithmshould have low values ... Two standard HMM models, one for usual events and one for unusual events, are trained usingmanually labeled training data according to E quation 1. For testing, the event boundary is obtained...
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An Equilibrium Model of Rare-Event Premia and Its Implication for Option Smirks potx
... then the uncertainty about rareevents will eventually find its way into financial prices in the form of apremium.To formally investigate this possibility of ‘‘rare -event premium,’’ weadopt an ... to the problem: rare events and uncertaintyaversion only toward rare events.4.3.2 The case of habit formation. An alternative preference of interest isthe external habit formation model of Campbell ... to uncertainty aversion toward rare events.Finally, we would like to point out that there are potential alternativeexplanations for ‘‘smirk’’ patterns. For example, a nontrivial jtcouldshow...
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VIDEO FOR BUSINESS 1 HOW TO COMMISSION A VIDEO pot
... business colleague.Part 2 of Video for Business, Making Video for Profit, is available on the Kindle and elsewhere. VIDEO FOR BUSINESS 1HOW TO COMMISSION A VIDEO by Val WhitterCopyright ... replication (for 1000 or more)Most video firms will arrange all this for you. If you are planning web or social media video the encoding and uploading for this will take place between your video ... notion of making your own video. If you want to minimise the tears, then Video for Business 2 could be very helpful, giving insider tips on making your own video for business.ooOooAbout the...
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A Comparison of Event Models for Naive Bayes Text Classi cation potx
... expansionof individual terms for this equation are dependent onthe event model used. Use Equations 2 and 3 for themulti-variate Bernoulli event model. Use Equations 5and 6 for the multinomialFeature ... to be the “events” and thedocument to be the collection of word events. We callthis the multinomial event model. This approach ismore traditional in statistical language modeling for speech ... classification performanceon five text corpora. We find that the multi-variateBernoulli performs well with small vocabulary sizes,but that the multinomial performs usually performseven better...
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Báo cáo khoa học: "Grounded Language Modeling for Automatic Speech Recognition of Sports Video" doc
... basic events in video is not feasi-ble. However, sports video does have characteris-tics that can be exploited to effectively represent complex events. Like much broadcast video, sports video ... sup-port video information retrieval. 4.3 Precision of Information Retrieval One of the most commonly used applications of ASR for video is to support information retrieval (IR). Such video ... precision on an information retrieval task. 2 Representing Events in Sports Video Recent work in video surveillance has demon-strated the benefit of representing complex events as temporal...
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Integrated Data for Events Analysis (IDEA): An Event Typology for Automated Events Data Development* pot
... these earlierevents frameworks. By using a four-level event hierarchy, IDEA can include new event forms as specifications of more general event Doug Bond et al. INTEGRATED DATA FOR EVENTS ANALYSIS73568S ... the Integrated Data for Event Analysis(IDEA) project. IDEA provides a comprehensive events framework for the analysis of internationalinteractions by supplementing the event forms from all earlier ... secondproblem – the limitation of traditional event frameworks. We outline a synthetic frame-work for international event analysis – IDEA(Integrated Data for Event Analysis) –outline its conceptual...
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