MolClassifier Training and Validation Datasets

<div> <div>The dataset contains 18626 chemical images (15720 for training and 2906 for validation) with annotated classes: `Molecular Structure`, `Markush Structure` and `Background`.&nbsp; <div> <div>Selected chemical images are randomly selected from the outputs of a segmentation module applied to documents from the United States Patent and Trademark Office.</div> <div>This dataset is part of&nbsp;<a href="https://github.com/DS4SD/PatCID">PatCID: an open-access dataset of chemical structures in patent documents</a>.</div> </div> </div> </div>