Crop • Soccer

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This is a frame from a sports match video. Find the single most prominent PLAYER (child wearing a team kit/jersey).

IMPORTANT RULES:
- The subject MUST be a player in a team kit — NOT an adult spectator, coach, or referee
- If there are adults in coats/casual clothes AND children in kit, ALWAYS choose the child in kit
- If multiple players are visible, choose the one who is most isolated and largest in the frame
- NEVER crop to objects (flags, balls, goals) — only crop to people

Return a SQUARE cropBox (width ≈ height in normalised coords) that frames this ONE subject:
- THE HEAD IS SACRED: You MUST include the subject's ENTIRE head with AT LEAST 20% of the crop height as empty space above the top of their head. If their head is near the top of the image, pull the crop down or widen it — NEVER cut off the head.
- The crop MUST be approximately SQUARE (1:1 aspect ratio). Set width and height to the same value. If you need to extend in one direction to keep the head, extend in both directions equally.
- Include as much of the body as possible while keeping the crop square
- Leave generous margins (~15%) on all sides so nothing is cut off
- Better to include FAR TOO MUCH background than to cut off the head or any body part

cropBox uses normalised coordinates (0-1):
- x: left edge of crop as fraction of image width (0 = left edge, 1 = right edge)
- y: top edge of crop as fraction of image height (0 = TOP of image, 1 = BOTTOM)
- width: crop width as fraction of image width
- height: crop height as fraction of image height

COORDINATE SYSTEM: y=0 is the TOP of the image.
ALWAYS err on the side of too much space above the head, never too little.

If no clear single player in a team kit can be isolated, return cropBox with x=0, y=0, width=1, height=1 (full frame).

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Created by Robin Ashford · Last updated 3 months ago