System and method for merging asynchronous data sources
A computing system identifies broadcast video data for a game. The computing system generates tracking data for the game from the broadcast video data using computer vision techniques. The tracking data includes coordinates of players during the game. The computing system generates optical character recognition data for the game from the broadcast video data by applying one or more optical character recognition techniques to each frame of the plurality of frames to extract score and time information from a scoreboard displayed in each frame. The computing system detects a plurality of events that occurred in the game by applying one or more machine learning techniques to the tracking data. The computing system receives play-by-play data for the game. The computing system generates enriched tracking data. The generating includes merging the play-by-play data with one or more of the tracking data, the optical character recognition data, and the plurality of events.
1. A method, comprising:
identifying, by a computing system, broadcast video data for a game, wherein the broadcast video data comprises a plurality of frames;
generating, by the computing system, tracking data for the game from the broadcast video data using one or more computer vision techniques;
generating, by the computing system, optical character recognition data for the game from the broadcast video data by applying one or more optical character recognition techniques to each frame of the plurality of frames to extract score and time information from a scoreboard displayed in each frame;
detecting, by the computing system, a plurality of events that occurred in the game by applying one or more machine learning techniques to the tracking data;
generating, by the computing system, at least one semantic layer, wherein the semantic layer is generated based on the tracking data;
generating, by the computing system, at least one player attribute for at least one player, wherein the at least one player attribute is based on a mapping included in the semantic layer;
receiving, by the computing system, play-by-play data for the game; and
generating, by the computing system, enriched tracking data, the generating comprising merging the play-by-play data with one or more of the player attribute and one or more of the tracking data, the optical character recognition data, and the plurality of events.
2. The method of claim 1 , further comprising:
merging the play-by-play data with the broadcast video data prior to generating the tracking data.
3. The method of claim 1 , wherein generating, by the computing system, the enriched tracking data comprises:
correcting erroneous outputs in the tracking data or the plurality of events based on information in the play-by-play data.
4. The method of claim 1 , wherein generating, by the computing system, the enriched tracking data comprises:
segmenting the tracking data into a plurality of possessions; and
matching portions of the play-by-play data to the plurality of possessions based on at least one of the tracking data and the plurality of events.
5. The method of claim 1 , wherein generating, by the computing system, the enriched tracking data comprises:
refining player and ball precisions in each frame of a respective broadcast video.
6. The method of claim 1 , wherein the tracking data comprises coordinates of players during the game.
7. The method of claim 1 , wherein the tracking data comprises coordinates of a ball during the game.
8. The method of claim 1 , further comprising:
automatically detecting, via a neural network, one or more additional events in each frame of a respective broadcast video; and
enhancing, by the computing system, the detected one or more additional events with contextual information.
9. A non-transitory computer readable medium comprising one or more sequences of instructions, which, when executed by a processor, causes a computing system to perform operations comprising:
identifying, by a computing system, broadcast video data for a game, wherein the broadcast video data comprises a plurality of frames;
generating, by the computing system, tracking data for the game from the broadcast video data using one or more computer vision techniques;
generating, by the computing system, optical character recognition data for the game from the broadcast video data by applying one or more optical character recognition techniques to each frame of the plurality of frames to extract score and time information from a scoreboard displayed in each frame;
detecting, by the computing system, a plurality of events that occurred in the game by applying one or more machine learning techniques to the tracking data;
generating, by the computing system, at least one semantic layer, wherein the semantic layer is generated based on the tracking data;
generating, by the computing system, at least one player attribute for at least one player, wherein the at least one player attribute is based on a mapping included in the semantic layer;
receiving, by the computing system, play-by-play data for the game; and
generating, by the computing system, enriched tracking data, the generating comprising merging the play-by-play data with one or more of the player attribute and one or more of the tracking data, the optical character recognition data, and the plurality of events.
10. The non-transitory computer readable medium of claim 9 , wherein generating, by the computing system, the enriched tracking data comprises:
correcting erroneous outputs in the tracking data or the plurality of events based on information in the play-by-play data.
11. The non-transitory computer readable medium of claim 9 , wherein generating, by the computing system, the enriched tracking data comprises:
segmenting the tracking data into a plurality of possessions; and
matching portions of the play-by-play data to the plurality of possessions based on at least one of the tracking data and the plurality of events.
12. The non-transitory computer readable medium of claim 9 , wherein generating, by the computing system, the enriched tracking data comprises:
refining player and ball precisions in each frame of a respective broadcast video.
13. The non-transitory computer readable medium of claim 9 , wherein the tracking data comprises coordinates of players during the game.
14. The non-transitory computer readable medium of claim 9 , wherein the tracking data comprises coordinates of a ball during the game.
15. The non-transitory computer readable medium of claim 9 , further comprising:
automatically detecting, via a neural network, one or more additional events in each frame of a respective broadcast video; and
enhancing, by the computing system, the detected one or more additional events with contextual information.
16. A system comprising:
a processor; and
a memory having programming instructions stored thereon, which, when executed by the processor, causes the system to perform operations comprising:
identifying, by a computing system, broadcast video data for a game, wherein the broadcast video data comprises a plurality of frames;
generating, by the computing system, tracking data for the game from the broadcast video data using one or more computer vision techniques;
generating, by the computing system, optical character recognition data for the game from the broadcast video data by applying one or more optical character recognition techniques to each frame of the plurality of frames to extract score and time information from a scoreboard displayed in each frame;
detecting, by the computing system, a plurality of events that occurred in the game by applying one or more machine learning techniques to the tracking data;
generating, by the computing system, at least one semantic layer, wherein the semantic layer is generated based upon the tracking data;
generating, by the computing system, at least one player attribute for at least one player, wherein the at least one player attribute is based upon the semantic layer;
receiving, by the computing system, play-by-play data for the game, wherein the play-by-play data is of a different source type than the broadcast video data; and
generating, by the computing system, enriched tracking data, the generating comprising merging the play-by-play data with one or more of the player attribute and one or more of the tracking data, the optical character recognition data, and the plurality of events.
17. The system of claim 16 , wherein generating the enriched tracking data comprises:
correcting erroneous outputs in the tracking data or the plurality of events based on information in the play-by-play data.
18. The system of claim 16 , wherein generating the enriched tracking data comprises:
segmenting the tracking data into a plurality of possessions; and
matching portions of the play-by-play data to the plurality of possessions based on at least one of the tracking data and the plurality of events.
19. The system of claim 16 , wherein generating the enriched tracking data comprises:
refining player and ball precisions in each frame of a respective broadcast video.
20. The system of claim 16 , further comprising:
automatically detecting, via a neural network, one or more additional events in each frame of a respective broadcast video; and
enhancing, by the computing system, the detected one or more additional events with contextual information.