@inproceedings {2341,
	title = {Quantization in Relative Gradient Angle Domain For Building Polygon Estimation},
	booktitle = {2020 25th International Conference on Pattern Recognition (ICPR)},
	year = {2021},
	doi = {10.1109/ICPR48806.2021.9413115},
	author = {Yifan Wu and Yuhao Chen and Linlin Xu and Alexander Wong}
}
