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Converting English Hand-Drawn Chars74k Data to JSON

By Allison Parrish

This is just a quick notebook to convert the stroke trajectories of the hand-drawn English letters in the Chars74k dataset to JSON. See the notebook for more details.

You can download the JSON-converted files directly. The JSON object maps each letter in the dataset (0-9, a-z, A-Z) to a list of letterforms (55 for each letter), which in turn are lists of strokes, which are lists of [x, y] coordinates for each point in the stroke.

  • Regular
  • Normalized (translated so that each letterform is centered on the center of the strokes' bounding box)

Here's an example of the data in use.

License

The code and text herein is licensed as CC0. The data in the JSON files is governed by the reuse rules accompanying the original paper.

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Convert the stroke trajectories of the hand-drawn English letters in the Chars74k dataset to JSON

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