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HASY dataset
This project forked from martinthoma/hasy
HASY dataset
Please refer to the [HASY paper](https://arxiv.org/abs/1701.08380) for details about the dataset. If you want to report problems of the HASY dataset, please send an email to [email protected] or file an issue at https://github.com/MartinThoma/HASY Errata are listed in the git repository as well as the latest supplementary files like `hasy_tools.py`. ## Contents The contents of the [HASYv2 dataset](https://zenodo.org/record/259444) are: * `hasy-data`: 168236 png images, each 32px x 32px * `hasy-data-labels.csv`: Labels for all images. * `classification-task`: 10 folders (fold-1, fold-2, ..., fold-10) which contain a `train.csv` and a `test.csv` each. Every line of the csv files points to one of the png images (relative to itself). If those files are used, then the `hasy-data-labels.csv` is not necessary. * `verification-task`: A `train.csv` and three different test files. All files should be used in exactly the same way, but the accuracy should be reported for each one. The task is to decide for a pair of two 32px x 32px images if they belong to the same symbol (binary classification). * `hasy_tools.py`: Various functions / command line tools * `symbols.csv`: All classes * `README.txt`: This file ## How to evaluate ### Classification Task Use the pre-defined 10 folds for 10-fold cross-validation. Report the average accuracy as well as the minumum and maximum accuracy. ### Verification Task Use the `train.csv` for training. Use `test-v1.csv`, test-v2.csv`, `test-v3.csv` for evaluation. Report TP, TN, FP, FN and accuracy for each of the three test groups. ## hasy_tools `hasy_tools.py` can be used in two ways: (1) as a shell script (2) as a Python module. If you want to get more information about the shell script options, execute python hasy_tools.py If you want to use `hasy_tools.py` as a Python module, see python -c "import hasy_tools;help(hasy_tools)" ## Changelog * 24.01.2017, HASYv2: Points were not rendered in HASYv1; improved hasy_tools https://doi.org/10.5281/zenodo.259444 * 18.01.2017, HASYv1: Initial upload https://doi.org/10.5281/zenodo.250239
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