Vision system for tracking handball players using fuzzy color processing

The sports community needs technological aid to extract accurate statistics and performance data from both practice sessions and games. To obtain such information, players must be tracked over time and their movements processed so that individual actions and team plays are simultaneously analyzed. I...

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Bibliographic Details
Published in:Machine vision and applications 2013-07, Vol.24 (5), p.1055-1074
Main Authors: Santiago, Catarina B., Sousa, Armando, Reis, Luis Paulo
Format: Article
Language:English
Subjects:
Applied sciences
Artificial intelligence
Color
Communications Engineering
Computer Science
Computer science
control theory
systems
Cost analysis
Dynamical systems
Dynamics
Exact sciences and technology
Fuzzy
Fuzzy logic
Fuzzy systems
Handball
Image Processing and Computer Vision
Kalman filters
Natural lighting
Networks
Original Paper
Pattern Recognition
Pattern recognition. Digital image processing. Computational geometry
Players
Tracking
Video data
Vision systems
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Summary:The sports community needs technological aid to extract accurate statistics and performance data from both practice sessions and games. To obtain such information, players must be tracked over time and their movements processed so that individual actions and team plays are simultaneously analyzed. In order to perform this analysis in an automated, formal and accurate way, the authors developed a cost conscientious processing system fed by two overhead cameras (roughly one video stream for each half-field). Players are detected by vest colors, and Fuzzy Logic is used to allow for a given color to be shared by different teams. Color models for the background and the teams are dynamic over time to make up for changes in natural lighting conditions and consequent color changes. Player tracking is further enhanced using Kalman Filtering. Some examples of the analysis, made possible by the proposed system, are shown. Results are based on videos collected during the Portuguese Handball SuperCup competition for the year 2011.
ISSN:0932-8092
1432-1769
DOI:10.1007/s00138-012-0471-z