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» Modelling and Querying Video Data
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PVLDB
2010
89views more  PVLDB 2010»
14 years 8 months ago
Transforming Range Queries To Equivalent Box Queries To Optimize Page Access
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...
Sakti Pramanik, Alok Watve, Chad R. Meiners, Alex ...
TCSV
2010
14 years 4 months ago
Video Foreground Detection Based on Symmetric Alpha-Stable Mixture Models
Background subtraction (BS) is an efficient technique for detecting moving objects in video sequences. A simple BS process involves building a model of the background and extractin...
Harish Bhaskar, Lyudmila Mihaylova, Alin Achim
ICWN
2008
14 years 11 months ago
Progressive Content-Sensitive Data Retrieval in Sensor Networks
: Problem statement: For a sensor network comprising autonomous and self-organizing data sources, efficient similarity-based search for semantic-rich resources (such as video data)...
Bo Yang, Mareboyana Manohar, Shaoying Kou
ICMCS
2005
IEEE
87views Multimedia» more  ICMCS 2005»
15 years 3 months ago
Modelling of distortion caused by packet losses in video transport
Abstract— This paper analyzes transmission-error induced distortion in decoded video. A recursion model is derived that relates the distortion in successive P-frames. The model t...
Yao Wang, Zhenyu Wu, Jill M. Boyce, Xiaoan Lu
3DIM
2007
IEEE
15 years 4 months ago
Dual-Mode Deformable Models for Free-Viewpoint Video of Sports Events
Generating free-viewpoint video in outdoor sports environments is currently an unsolved problem due to difficulties in obtaining accurate background segmentation and camera calib...
Joe Kilner, Jonathan Starck, Adrian Hilton, Oliver...