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ChallengeRules.md

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Guidelines for the Action Spotting challenge

The 2nd Replay Grounding Challenge will be held at the official ActivityNet Workshop at CVPR 2022! Subscribe (watch) the repo to receive the latest info regarding timeline and prizes!

SoccerNet-v2 is a large-scale dataset build upon SoccerNet that benchmarks the tasks of action spotting, camera shot segmentation / boundary detection and replay grounding. SoccerNet-v2 is composed of 300k manual annotations, span 500 complete soccer games from six main European leagues, covering three seasons from 2014 to 2017 and a total duration of 764 hours.

We propose the SoccerNet-v2 challenge to encourage the development of state-of-the-art algorithm for Generic Soccer Video Understanding. It is composed of 2 tasks:

  • Action Spotting: Spot the actions on a complete video of soccer game.
  • Replay Grounding: Ground the timestamp of the actions represented in a specific replay.

We provide an evaluation server for anyone competing in the SoccerNet-v2 challenge. This evaluation server handles predictions for the open test set and the segregated challenge set.

Winners will be announced at ActivityNet Workshop at CVPR 2022. Prizes 💲💲💲 include $1000 cash award ($500 for Action Spotting and $500 for Replay Grounding), sponsored by SportRadar.

Who can participate / How to participate?

  • Any individual can participate to the challenge, except the organizers.
  • The participants are recommended to form a team to participate.
  • Each team can have one or more members.
  • An individual/team can compete on both task.
  • An individual associated with multiple teams (for a given task) or a team with multiple accounts will be disqualified.
  • On both task, a particpant can only use the video stream as input (visual and/or audio).
  • To help the participants, we provide pre-extracted ResNet-152 visual features at 2fps.
  • A particpant is allowed to extract its own visual/audio features with any pre-trained model.

How to win / What is the prize?

  • For each task, the winner is the individual/team who reach the highest performance on the challenge set.
  • The metrics taken into consideration are the tight Average-mAP for Action Spotting and the tight Average-AP for Replay Grounding.
  • The deadline to submit your results is May 30th at 11.59 pm Pacific Time.
  • The teams that perform best in each task will be granted $500 from our sponsor SportRadar.
  • In order to be eligible for the prize, we require the individual/team to provide a short report describing the details of the methodology (CVPR format, max 2 pages)

Important dates

Note that these dates are tentative and subject to changes if necessary.

  • February 1: Open evaluation server on the (Open) Test set.
  • February 15: Open evaluation server on the (Seggregated) Challenge set.
  • May 30: Close evaluation server.
  • June 6: Deadline for submitting the report.
  • June TBD: A full-day workshop at CVPR 2022.

For any further doubt or concern, please raise an issue in that repository, or contact us directly on Discord.