JSON File Structure

Each JSON file contains array of per-frame annotation data:

  • The first element in the array (β€œzero frame”) contains general metadata, while the rest of the elements contain data for frames 1...N (where N is the last frame).

  • The length of the root array is therefore N+1 elements.

Example:

[
{Zero frame object},
{Object for frame 1},
{Object for frame 2},
...
{Object for the last frame}
]

Zero frame object format

Object Properties on frame 0

Frame object format

Object Properties

Point

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