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

Research Tasks

Detection of Formulas in Document Pages

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.


In this task, for a given document page, participating systems identify the location of formulas using bounding boxes. Evaluation will be done by calculating the intersection over union (IoU) with the groundtruth annotations. We will use thresholds of 50% and 75% to observe coarse and fine detection of formula regions. Participants will also have the option to use character level information, but they also have to submit the final math regions for IoU calculation where regions are defined by the characters that they detected as math characters. This reflects how detection of math regions in born-digital documents (e.g., PDFs generated using a word processor) would be performed when characters are available.



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