ciou

yolov4 42.0% mAP.ppyolo 45.1% mAP.

Distance-IoU Loss: Faster and Better Learning for Bounding Box Regression (AAAI 2020)

📈📈📈【口罩佩戴检测数据训练 | 开源口罩检测数据集和预训练模型】Train D/CIoU_YOLO_V3 by darknet for object detection

自监督目标检测。针对目标检测任务，提出无需标签数据的自监督算法预训练 backbone，检测性能优于有标签的预训练。

yolo目标检测算法

Object Detection Paper Review and Implementation