Update README.md

README.md

@@ -1,3 +1,30 @@
 ---
 license: cc-by-4.0
 ---
+
+## Dataset Creation Info
+
+All images were downloaded from [khmerfonts.info](https://khmerfonts.info) by using a script below:
+
+```python
+with open("filelist.txt", "w") as outfile:
+  items = [
+    f"https://www.khmerfonts.info/preview.php?font={font + 1}&sample={sample + 1}\n\tout=khmerfonts-{font + 1}-{sample + 1}.png"
+    for font in range(2972) # maximum id at the moment
+    for sample in range(10)
+  ]
+  outfile.write("\n".join(items))
+```
+
+Download all files using `aria2c`
+
+```shell
+aria2c -i filelist.txt -d data -j16
+```
+
+Find 0-byte files and delete
+
+```shell
+find data/ -size 0 -delete
+``
+