Online Handwriting Datapal (iOS)

Create datasets for online (stroke-based) handwriting recognition / classification tasks.

Features

• Create your own labels (classes) and stroke samples from your iPad or iPhone (draw by touch)
• Datasets can be imported / exported to json
• Preview and edit created samples
• Single or multistroke samples supported
• Choose the size of the input canvas
• Written in SwiftUI

JSON data format

Format of the dataset is the Google QuickDraw json format.

Minimal preview can be found here.

TODO

• Data persistence (CoreData)
  • this tool was intended for small datasets
  • only a naive data persistence can be achieved in the current version by exporting / importing a json. Use 'Import from JSON' while creating a new dataset.
• Various export formats / file formats (e.g. csv, IAM style XML)

License

MIT