added sample captcha dataset
After Width: | Height: | Size: 118 KiB |
After Width: | Height: | Size: 64 KiB |
After Width: | Height: | Size: 13 KiB |
After Width: | Height: | Size: 12 KiB |
After Width: | Height: | Size: 166 KiB |
After Width: | Height: | Size: 30 KiB |
After Width: | Height: | Size: 237 KiB |