Update models/SAP/utils.py

Add notification to models/SAP/utils.py

models/SAP/utils.py

@@ -1,3 +1,11 @@
+# THE CODE WAS TAKEN AND ADAPTED FROM https://pengsongyou.github.io/sap
+# @inproceedings{Peng2021SAP,
+#       author    = {Peng, Songyou and Jiang, Chiyu "Max" and Liao, Yiyi and Niemeyer, Michael and Pollefeys, Marc and Geiger, Andreas},
+#       title     = {Shape As Points: A Differentiable Poisson Solver},
+#       booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
+#       year      = {2021}
+# }
+
 import torch
 import io, os, logging, urllib
 import yaml