Keywords:
Image analysis.
;
Electronic books.
Description / Table of Contents:
Presenting state-of-the-art research advances of video event understanding technologies, this volume is a rich resource for future research and successful practice. The text covers visual surveillance, human-computer interaction, and video search and indexing etc.
Type of Medium:
Online Resource
Pages:
1 online resource (252 pages)
Edition:
1st ed.
ISBN:
9783642175541
Series Statement:
Studies in Computational Intelligence Series ; v.332
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=3066413
Language:
English
Note:
Title -- Preface -- Contents -- The Understanding of Meaningful Events in Gesture-Based Interaction -- Introduction -- Events for Spotting and Detecting Gestures -- Location-Based Events -- Posture-Based Events -- Tap and Touch-Based Events -- Custom Events -- Gestures as Events in the Human-Computer Dialogue -- Conclusion -- References -- Apply GPCA to Motion Segmentation -- Introduction -- Previous Works -- Motion Segmentation by GPCA-PDA -- Post-Processing Procedure -- Experiments and Analysis -- Conclusion -- References -- Gait Analysis and Human Motion Tracking -- Introduction -- An Overview of the Proposed Approach -- Phase 1: Establishing the Gait Model -- Phase 2: Recovering Ego-Motion and Scene Structure Using a Dynamic Gait Model -- Estimating Motion Parameters by a MAP Strategy -- EM Algorithm -- Experimental Results -- Synthetic Checked Target: Accuracy Tests -- Synthetic Checked Target: Changing Sample Rates -- Synthetic Human Motion Sequences -- Real Image Sequences -- Summary of the Experimental Results -- Conclusions and Future Work -- References -- Spatio-temporal Dynamic Texture Descriptors for Human Motion Recognition -- Introduction -- Methodology -- Bag of Words Classification -- Feature Detection -- Feature Description -- Classification -- Feature Description: (CS)LBP-TOP and Its Extensions -- Modifications on LBP-TOP -- Experimental Results -- Conclusion -- References -- Efficient Object Localization with Variation-Normalized Gaussianized Vectors -- Introduction -- Gaussianized Vector Representation -- GMM for Feature Vector Distribution -- Discriminative Learning -- Robustness to Within-Class Variation -- Localization with Gaussianized Vector Representation -- Branch-and-Bound Search -- Quality Function -- Quality Bound -- Incorporating Variation-Normalization -- Experiments -- Dataset -- Metric -- Gaussianized Vectors.
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Robustness to Within-Class Variation -- Results -- Conclusion -- References -- Fusion of Motion and Appearance for Robust People Detection in Cluttered Scenes -- Introduction -- Methodology -- Generating Hypothesis -- Motion Confidence -- Spatial Motion Descriptor -- Pyramid Bayesian Verification -- Experimental Results -- Data Set -- Detection Results -- Discussion and Conclusions -- References -- Understanding Sports Video Using Players Trajectories -- Introduction -- A Hierarchical Parallel Semi-Markovian Framework (HPaSMM) for Trajectory-Based Sport Video Understanding -- Upper Layer: Semi-Markovian Activity Modeling -- Lower Layer: Parallel Markovian Feature Modeling -- Model Parameter Estimation -- Activity Recognition by Log-Likelihood Maximization -- A Comparison Method: Hierarchical Parallel Hidden Markov Models -- HPaSMM Squash Activity Recognition -- Squash Invariant Feature Representation -- Squash Activity Modeling Using HPaSMM -- Considered Data Sets and Experiments -- Results -- HPaSMM Handball Activity Recognition -- Handball Invariant Feature Representation -- Handball Activity Modeling Using HPaSMM -- Integrating Audio Information: Recognition of Referees Whistles -- Considered Data Sets and Experiments -- Results -- Conclusions, Extensions and Perspectives -- References -- Real-Time Face Recognition from Surveillance Video -- Introduction -- Real-Time Video Surveillance -- Face Recognition -- Real-Time Face Recognition from Surveillance Video -- System Architecture -- Front-End -- Face Detection -- Face Tracking -- Feature Extraction -- Back-End -- Feature Vector -- Feature Vector and Matching -- Results -- Skin Detection -- Face Detection -- Feature Extraction -- Feature Vector and Recognition System -- Conclusions -- References -- Event Understanding of Human-Object Interaction: Object Movement Detection via Stable Changes.
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Introduction -- Related Works -- Overview of the Proposed Method -- Attentive Region Detection -- Region-Level Background Subtraction for Object Movement Detection -- Pixel-Level State Detection by Layered Background Model -- Region Tracking -- Object Detection and Background Update -- Region State Detection -- Stable-Change Classification -- Object Detection and Background Update -- Results -- Experiments -- Limitations -- Conclusion -- References -- Survey of Dirac: A Wavelet Based Video Codec for Multiparty Video Conferencing and Broadcasting -- Background of Codecs -- Advantages of Video Event Analysis in Wavelet -- BBC Dirac Video Codec -- Overview of Dirac Video Codec -- Dirac Architecture -- Dirac Encoder -- Dirac Decoder -- Major Modules of Dirac -- Quantization -- Wavelet Transform -- Motion Estimation and Motion Compensation -- Entropy Coding -- Comparison of BBC Dirac Video Codec -- Compression Ratio Test -- PSNR Test -- SSIM Test -- Ongoing and Future Work Regarding BBC Dirac Video Codec -- Scalability -- Computational Complexity Reduction -- Region of Interest Coding (Foveated Image Processing) -- Video Conferencing System Based on Wavelet Transform -- References -- Author Index.
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