Convert fisheye images to plane images

How to use

usage: cvt_fish2plane.py [-h] [--dirname DIRNAME] [--save SAVE]

This is a programm to transform fish image to planar image. It's only take
`png` images

optional arguments:
  -h, --help         show this help message and exit
  --dirname DIRNAME  Image dir name
  --save SAVE        Save dir name

Examples

python cvt_fish2plane.py --dirname [IMAGE_DIR] --save [SAVED_IR]