Competition on HArvesting Raw Tables (CHART) 2019 - PubMedCentral (ICDAR-CHART-2019-PMC)

Research Tasks

Text Role Classification

2019-06-18 (v. 1)

Contact author

Kenny Davila

University at Buffalo


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


For text to be useful in chart interpretation, its semantic role should be identified. This sub-task focuses on identifying the role of each text block in a chart image, and text bounding boxes and transcripts are provided as input. Competing systems are expected to classify each bounding box into one of the following roles: Chart title, Axis title, tick labels, Legend title, Legend label, value label, and other text. 




Similar to the evaluation in sub-task 1 (chart classification), the evaluation metric is the average per-class F-measure.


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