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low-level event detection

A Content-Adaptive Analysis and Representation Framework for Audio Event Discovery from "Unscripted" Multimedia

A Content-Adaptive Analysis and Representation Framework for Audio Event Discovery from "Unscripted" Multimedia

... of low/mid-level features extracted from the audio as a time series and identify subsequences that are ...outlier detection is based on eigenvector analysis of the affinity matrix constructed from ...

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Snatch Theft Detection using Low Level Features

Snatch Theft Detection using Low Level Features

... snatching detection is no longer valid. The focus of this research is mainly on low level feature ...the event instead of tracking each activity in the area of ...

5

Exploiting Document Level Information to Improve Event Detection via Recurrent Neural Networks

Exploiting Document Level Information to Improve Event Detection via Recurrent Neural Networks

... sentence level event detection models: they are designed to use the sentence information for event ...early event detection models are almost all feature- based models, which ...

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Data-Efficient Weakly Supervised Learning for Low-Resource Audio Event Detection Using Deep Learning

Data-Efficient Weakly Supervised Learning for Low-Resource Audio Event Detection Using Deep Learning

... Using all instances in a bag for computing error and backpropa- gated gradient is important, since the network ideally should acquire knowledge from every instance in each epoch. However, it is hard to find an elegant ...

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Role of Serum Zinc Level and P300 Event Related Potential in Detection of Minimal Hepatic Encephalopathy

Role of Serum Zinc Level and P300 Event Related Potential in Detection of Minimal Hepatic Encephalopathy

... explained low zinc levels by malnutrition, insufficient protein intake, low absorption and high urinary excretion due to excessive diuretics administration ...

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Multiple Tasks are Better than One: Multi-task Learning and Feature Selection for Head Pose Estimation, Action Recognition and Event Detection

Multiple Tasks are Better than One: Multi-task Learning and Feature Selection for Head Pose Estimation, Action Recognition and Event Detection

... multi-model low-level features, ...for event detection. Despite of their good performance, low-level features are incapable of capturing the inher- ent semantic information in an ...

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Unusual event detection in crowded scenes

Unusual event detection in crowded scenes

... unusual event is often ...the low probability events based on the trained ...usual event in the test dataset that is not observed in the training ...unusual event is often happening together ...

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Detection of low pathogenicity influenza A(H7N3) virus during duck mortality event, Cambodia, 2017

Detection of low pathogenicity influenza A(H7N3) virus during duck mortality event, Cambodia, 2017

... identified low pathogenicity AIV (LPAIV) subtype H7 cir- culating in chickens and ducks ...molecular level, we determined both isolates to be LPAIVs, showing a monobasic cleavage site, avian receptor ...

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Fpga Implementation Of Distributed Canny Edge Detector For Low Clarity Images

Fpga Implementation Of Distributed Canny Edge Detector For Low Clarity Images

... frame level processing to detect the high and low threshold ...edge detection algorithm, it’s a block level ...print detection, face reorganization ...

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Event detection using population-based health care databases in randomized clinical trials: a novel research tool in interventional cardiology

Event detection using population-based health care databases in randomized clinical trials: a novel research tool in interventional cardiology

... Methods and results: Population-based health care databases collect data continuously and prospectively, and make it possible to monitor lifelong outcomes of cardiac interventions in large numbers of patients. This ...

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Using Document Level Cross Event Inference to Improve Event Extraction

Using Document Level Cross Event Inference to Improve Event Extraction

... current event extraction systems rely on local information at the phrase or sentence ...document level information to improve the performance of ACE event ...and event arguments in a ...

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Abnormal event detection in crowded scenes using histogram of oriented contextual gradient descriptor

Abnormal event detection in crowded scenes using histogram of oriented contextual gradient descriptor

... swarms (HOS) descriptor based on swarm theory to- gether with the HOG to capture both the motion and appearance in a volume. Colque et al. [19] developed a 3D descriptor for AED called histogram of optical flow ...

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An Approach for Knowledge-Based IT Management of Air Traffic Control Systems

An Approach for Knowledge-Based IT Management of Air Traffic Control Systems

... SLA Management Handbook Event Processing Language Event Ontology Service Level Agreement Ontology Complex Event Processing Ontology System Event Ontology System Service Level O[r] ...

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Design of Low Power Radar Level Sensor with Improved Accuracy Rate for Sodium Level Detection in PFBR

Design of Low Power Radar Level Sensor with Improved Accuracy Rate for Sodium Level Detection in PFBR

... Measured radar data were analyzed for possible sources of systematic measurement uncertainty (error) including sensor height above liquid (air gap), air temperature and surface waves. A radar sensor measures liquid ...

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A Saliency Detection Model via Fusing Extracted Low-level and High-level Features from an Image

A Saliency Detection Model via Fusing Extracted Low-level and High-level Features from an Image

... image. Low- level and high-level features are utilized in saliency region ...detection. Low-level features contain primitive information such as color or texture while ...

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Observing evidence of insider trading in the Athens Stock Exchange

Observing evidence of insider trading in the Athens Stock Exchange

... the Event Detection process derives from the colligation of two ...Detected Event Dates, selected from the Total Announcements dataset of 20,708 ...each Event Date to include observations ...

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Entity/Event Level Sentiment Detection and Inference

Entity/Event Level Sentiment Detection and Inference

... be non-existing, rather than have an unknown value. This allows us to fully utilize the different structures of outputs from different state-of-the-art resources. 7 Implicit Entity/Event-Level Sentiment The ...

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Events Detection, Coreference and Sequencing: What s next? Overview of the TAC KBP 2017 Event Track.

Events Detection, Coreference and Sequencing: What s next? Overview of the TAC KBP 2017 Event Track.

... 8.1.2 The Difficulties of Event Sequencing The event sequencing task seem to be too challeng- ing given the small number of data. In fact, the anno- tators are linking the nuggets based on common sense ...

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Evaluation Algorithms for Event Nugget Detection : A Pilot Study

Evaluation Algorithms for Event Nugget Detection : A Pilot Study

... We can also use the results from Figure 3 to un- derstand the performance bottleneck of the systems. For example, in system 7, there is a big gap between the mention type F1 score and the span F1. This indicates that the ...

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Big continuous data: dealing with velocity by composing event streams

Big continuous data: dealing with velocity by composing event streams

... Building robust and efficient tools to collect, analyse, and display large amounts of data is a very challenging task. Large memory requirements often cause a significant slow down or - even worse - place practical ...

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