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Python Version: 3.10+ License: Apache 2.0

What is it?

ETSY is a rule-based synchronization algorithm to synchronize soccer event data with its corresponding tracking / positional data. The algorithm synchronizes each playing period separately using two steps:

  1. Synchronize kickoff: removes the constant time-bias due to the clocks in the event and tracking data not starting at the same time.
  2. Synchronize remaining events using a rule-base: uses event-specific rules and a distance-based score function to identify the best matching frame within a selected time window around each event.

Installation

You can install ETSY directly from GitHub.

# Clone the repository
$ git clone git://github.com/ML-KULeuven/ETSY.git
$ cd ETSY
# Create a virtual environment
$ python3 -m venv venv_name
$ source venv_name/bin/activate
# Install the package and its dependencies
$ pip install .

Data Format

ETSY relies on the SPADL representation for the event data. The exact format of the required event and tracking data is specified in etsy/schema.py. Your event and tracking data should be converted to this schema before using ETSY.

Example Use

from etsy import sync

# Initialize event-tracking synchronizer with given event data (df_events), 
# tracking data (df_tracking), and recording frequency of the tracking data (fps_tracking)
ETSY = sync.EventTrackingSynchronizer(df_events, df_tracking, fps=fps_tracking)

# Run the synchronization
ETSY.synchronize()

# Inspect the matched frames and scores
print(ETSY.matched_frames)
print(ETSY.scores)

Research

If you make use of this package in your research, please consider citing the following paper:

  • Maaike Van Roy, Lorenzo Cascioli, and Jesse Davis. ETSY: A rule-based approach to Event and Tracking data SYnchronization. In Machine Learning and Data Mining for Sports Analytics ECML/PKDD 2023 Workshop (2023).
    [ bibtex ]

Additionally, the following blog post gives an overview of ETSY:

License

Distributed under the terms of the Apache License, Version 2.0, ETSY is free and open source software. Although not strictly required, we appreciate it if you include a link to this repo or cite our research in your work if you make use of it.