ICDAR 2019 Competition on Recognition of Handwritten Mathematical Expressions and Typeset Formula Detection (ICDAR2019-CROHME-TDF)

Ground Truth

Math expression for online and off handwriting

2020-01-29 (v. 1)

Contact author

Harold Mouchère

LS2N / Université de Nantes




This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.


Math recognition, symbol recognition, layout-analysis, off-line, on-line


The ground-truth is available in INKLM format (with latex string and mathml structure), in Stroke Label Graph (SLG, associating stroke to ground-truth) and Object Layout Graph (symbol layout tree independant of the strokes). These ground-truth allows training and evaluation for on-line and off-line recognition tasks.


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