GSR Task - SoccerTrack v2

Task Overview

Input: Panoramic 4K video (full match)
Output: Per-frame game state on 2D pitch minimap (position + role + team + jersey number)

                    Alignment with SoccerNet-GSR:

                    ✅ Same: 2D pitch coordinates, player roles, team assignment, jersey numbers

                    ⚠️ Different: Fixed panoramic camera + full match (not broadcast clips)

Input / Output Definition

Input

videos/match_XXXXX.mp4 — Full match panoramic video (4K)
Camera: BePro Cerberus (2 matches) or 3-camera panoramic (8 matches)

Output (per frame)

Field	Type	Description
`frame`	int	Frame number
`time`	float	Timestamp in video (seconds)
`player_id`	int	Unique track ID (persistent throughout match)
`x, y`	float	2D pitch coordinates in meters
`role`	string	player / goalkeeper / referee / other
`team_side`	string	left / right / null
`jersey_number`	int/null	0–99 or null

File Layout

production/
├── videos/
│   ├── 117093.mp4
│   ├── 117094.mp4
│   └── ...
├── gsr/
│   ├── 117093/
│   │   └── 117093.json
│   ├── 117094/
│   │   └── 117094.json
│   └── ...
├── bas/
├── mot/
└── raw/
    ├── 117093/
    │   ├── 117093_keypoints.json
    │   ├── 117093_mapx.npy
    │   ├── 117093_mapy.npy
    │   └── ...
    └── ...

Each match has one annotation file in its own directory. Unlike SoccerNet-GSR which uses img1/ for image frames, we reference the video directly from videos/ to save storage space.

Schema & SoccerNet Mapping

Example JSON Structure

{
  "match_id": "117093",
  "fps": 25.0,
  "annotations": [
    {
      "frame": 0,
      "time": 0.0,
      "objects": [
        {
          "player_id": 1,
          "x": 52.5,
          "y": 34.0,
          "role": "player",
          "team_side": "left",
          "jersey_number": 10
        },
        ...
      ]
    },
    ...
  ]
}

SoccerNet-GSR Correspondence

SoccerTrack v2	SoccerNet-GSR	Notes
`x, y`	`x_pos, y_pos`	Pitch coordinates (meters)
`team_side`	`left / right`	Team assignment
`jersey_number`	`jersey_number`	0–99
`role`	`role`	player/goalkeeper/referee/other
`player_id`	`track_id`	Persistent across full match

Evaluation / Metrics

Evaluation uses GS-HOTA (Game State Higher Order Tracking Accuracy), following the SoccerNet-GSR Challenge definition.

Official devkit: Coming soon

Differences vs SoccerNet-GSR

Key Differences:

Camera view: Panoramic (full-pitch) vs. broadcast (partial view with occlusions)
Duration: Full match (~90 min) vs. short clips
Camera setup: Fixed BePro/3-camera system vs. moving broadcast camera
Level: University amateur matches vs. professional leagues