Dataset

CROHME: Competition on Recognition of Online Handwritten Mathematical Expressions (PNG)

Curtin University
Azadeh Nazemi (Associated with, Aggregated by) Chandrika Fernando (Aggregated by) David McMeekin (Aggregated by) Iain Murray (Aggregated by)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.4225/06/563B05F210B82&rft.title=CROHME: Competition on Recognition of Online Handwritten Mathematical Expressions (PNG)&rft.identifier=10.4225/06/563B05F210B82&rft.publisher=Curtin University&rft.description=This dataset contains alphanumeric characters, Greek characters and mathematical symbols . All symbols in this dataset are extracted from CROHME: Competition on Recognition of Online Handwritten Mathematical Expressions dataset For representing symbols as images following processes have been done: Conversion  from INKML to PNG Margin removal Resizing based on Aspect Ratio Categorization: Short 64x48 Square 64x64 Tall 48x64 Slim 16x48 In addition, for non-alphanumeric symbols synthetic symbols were generated by distortion.&rft.creator=Anonymous&rft.date=2015&rft_rights=This dataset is made available under a Creative Commons Attribution NonCommercial ShareAlike licence http://creativecommons.org/licenses/by-nc-sa/4.0/&rft_rights=CC BY-NC-SA: Attribution-Noncommercial-Share Alike 4.0 http://creativecommons.org/licenses/by-nc-sa/4.0/&rft_subject=Character Recognition&rft_subject=Electrical and Electronic Engineering&rft_subject=Engineering&rft.type=dataset&rft.language=English Go to Data Provider

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CC BY-NC-SA: Attribution-Noncommercial-Share Alike 4.0
http://creativecommons.org/licenses/by-nc-sa/4.0/

This dataset is made available under a Creative Commons Attribution NonCommercial ShareAlike licence
http://creativecommons.org/licenses/by-nc-sa/4.0/

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Full description

This dataset contains alphanumeric characters, Greek characters and mathematical symbols . All symbols in this dataset are extracted from "CROHME: Competition on Recognition of Online Handwritten Mathematical Expressions dataset"

For representing symbols as images following processes have been done:

  • Conversion  from INKML to PNG
  • Margin removal
  • Resizing based on Aspect Ratio
  • Categorization:
    • Short 64x48
    • Square 64x64
    • Tall 48x64
    • Slim 16x48

In addition, for non-alphanumeric symbols synthetic symbols were generated by distortion.

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