利用Python程序实现对一幅图片中阴影的去除，效果较好
This software is implemented according to the methods presented in:
- Murali, Saritha, and V. K. Govindan.
"Removal of shadows from a single image."
the Proceedings of First International Conference on Futuristic Trends
in Computer Science and Engineering. Vol. 4.
- Murali, Saritha, and V. K. Govindan.
"Shadow detection and removal from a single image using LAB color space."
Cybernetics and inf
