Journal
COMPUTER VISION AND IMAGE UNDERSTANDING
Volume 113, Issue 5, Pages 653-662Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.cviu.2008.10.005
Keywords
Ball tracking; Broadcast soccer video; Occlusion
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This paper deals with analysis of broadcast soccer video. Estimation of ball movements is necessary to recognize interesting scenes such as goal scenes. It is, however, sometimes difficult to detect a ball using a simple color-based or shape-based method when the ball overlaps with multiple players and lines. We therefore developed a method of estimating a ball route during such overlaps by considering spatio-temporal relationships among players, lines, and the ball. The method can deal with difficult cases such as one in which a ball disappears at a player and reappears from another player. Experimental results demonstrate the effectiveness of the method. (C) 2008 Elsevier Inc. All rights reserved.
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