The Recognition of Human Movement Using Temporal Templates
IEEE Transactions on Pattern Analysis and Machine Intelligence
Ball Tracking and Virtual Replays for Innovative Tennis Broadcasts
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 4
Unsupervised clustering of dominant scenes in sports video
Pattern Recognition Letters
MULTIMEDIA '03 Proceedings of the eleventh ACM international conference on Multimedia
Semantic annotation of soccer videos: automatic highlights identification
Computer Vision and Image Understanding - Special isssue on video retrieval and summarization
Structure analysis of soccer video with domain knowledge and hidden Markov models
Pattern Recognition Letters - Video computing
Detecting Tactics Patterns for Archiving Tennis Video Clips
ISMSE '04 Proceedings of the IEEE Sixth International Symposium on Multimedia Software Engineering
Maximum entropy model-based baseball highlight detection and classification
Computer Vision and Image Understanding - Special issue on event detection in video
Robust video sequence retrieval using a novel object-based T2D-histogram descriptor
Journal of Visual Communication and Image Representation
Shot boundary refinement for long transition in digital video sequence
IEEE Transactions on Multimedia
A unified framework for semantic shot classification in sports video
IEEE Transactions on Multimedia
Fusion of audio and motion information on HMM-based highlight extraction for baseball games
IEEE Transactions on Multimedia
Automatic soccer video analysis and summarization
IEEE Transactions on Image Processing
Shot-boundary detection: unraveled and resolved?
IEEE Transactions on Circuits and Systems for Video Technology
WOW: wild-open warning for broadcast basketball video based on player trajectory
MM '09 Proceedings of the 17th ACM international conference on Multimedia
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Tennis Video 2.0: A new presentation of sports videos with content separation and rendering
Journal of Visual Communication and Image Representation
Tactic analysis based on real-world ball trajectory in soccer video
Pattern Recognition
HMM-based ball hitting event exploration system for broadcast baseball video
Journal of Visual Communication and Image Representation
Recognizing tactic patterns in broadcast basketball video using player trajectory
Journal of Visual Communication and Image Representation
Multimedia Tools and Applications
Sports Information Retrieval for Video Annotation
International Journal of Digital Library Systems
Recognizing jump patterns with physics-based validation in human moving trajectory
Journal of Visual Communication and Image Representation
Real-time 3D ball trajectory estimation for RoboCup middle size league using a single camera
Robot Soccer World Cup XV
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The demand for computer-assisted game study in sports is growing dramatically. This paper presents a practical video analysis system to facilitate semantic content understanding. A physics-based algorithm is designed for ball tracking and 3D trajectory reconstruction in basketball videos and shooting location statistics can be obtained. The 2D-to-3D inference is intrinsically a challenging problem due to the loss of 3D information in projection to 2D frames. One significant contribution of the proposed system lies in the integrated scheme incorporating domain knowledge and physical characteristics of ball motion into object tracking to overcome the problem of 2D-to-3D inference. With the 2D trajectory extracted and the camera parameters calibrated, physical characteristics of ball motion are involved to reconstruct the 3D trajectories and estimate the shooting locations. Our experiments on broadcast basketball videos show promising results. We believe the proposed system will greatly assist intelligence collection and statistics analysis in basketball games.