Create README.md

README.md

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+# CASIA Character Sample Dataset
+
+This dataset is adapted from [CASIA Online and Offline Chinese Handwriting Databases](https://nlpr.ia.ac.cn/databases/handwriting/Download.html),
+but this only contains character level sample data (from the offline database). The first column is the ground truth label (single character from
+GB2312 charset) and the second one is byte sequences of the decoded **PNG** files from the original [.gnt](https://nlpr.ia.ac.cn/databases/Download/DGRLRead.cpp.pdf) files.