Better small object detection by using Wasserstein distance with NWD

Better small object detection by using Wasserstein distance with NWD A Normalized Gaussian Wasserstein Distance for Tiny Object Detection arXiv paper abstract https://arxiv.org/abs/2110.13389 arXiv PDF paper https://arxiv.org/pdf/2110.13389.pdf GitHub https://github.com/jwwangchn/NWD Detecting tiny objects is a very challenging problem since a tiny object only contains a few pixels in size. ... propose a new evaluation metric using Wasserstein distance for tiny object detection. ... first model