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2016
ACM

Chalkboarding: A New Spatiotemporal Query Paradigm for Sports Play Retrieval

4 years 3 months ago
Chalkboarding: A New Spatiotemporal Query Paradigm for Sports Play Retrieval
The recent explosion of sports tracking data has dramatically increased the interest in effective data processing and access of sports plays (i.e., short trajectory sequences of players and the ball). And while there exist systems that offer improved categorizations of sports plays (e.g., into relatively coarse clusters), to the best of our knowledge there does not exist any retrieval system that can effectively search for the most relevant plays given a specific input query. One significant design challenge is how best to phrase queries for multi-agent spatiotemporal trajectories such as sports plays.We have developed a novel query paradigm and retrieval system, which we call Chalkboarding, that allows the user to issue queries by drawing a play of interest (similar to how coaches draw up plays). Our system utilizes effective alignment, templating, and hashing techniques tailored to multi-agent trajectories, and achieves accurate play retrieval at interactive speeds. We showcase th...
Long Sha, Patrick Lucey, Yisong Yue, Peter Carr, C
Added 06 Apr 2016
Updated 06 Apr 2016
Type Journal
Year 2016
Where IUI
Authors Long Sha, Patrick Lucey, Yisong Yue, Peter Carr, Charlie Rohlf, Iain A. Matthews
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