本项目为本科毕业设计，开源旨在供以后的同学们参考，从而顺利完成毕业设计。
基于python3，请使用相应版本的python运行。
pip3 install matplotlib
pip3 install Pillow
pip3 install scipy
python3 main.py [your_pic_dir] <argv>
| 参数<argv> | 作用 |
|---|---|
| -f | FFT and display |
| -c | COS transfer and display |
| -g | Display gray image |
| -o | Display origin image |
| -of | Split to display origin and FFT image |
| -oc | Split to display origin and COS image |
| -ogf | Display orgin, gray and FFT image in same time |
| -ogc | Display orgin, gray and COS image in same time |
| -ogfc | Display orgin, gray, COS and FFT image in same time |
| -h --help | Display help info and exit |