IoU-guided NMS
IoU-guided NMS
**IoU-guided NMS** is a type of non-maximum suppression that help to eliminate the suppression failure caused by the misleading classification confidences. This is achieved through using the predicted IoU instead of the classification confidence as the ranking keyword for bounding boxes. 
Acquisition of Localization Confidence for Accurate Object Detection
https://paperswithcode.com/paper/acquisition-of-localization-confidence-for
Acquisition of Localization Confidence for Accurate Object Detection