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docs/configs/train_group.md

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@@ -45,7 +45,7 @@ TRAIN Group存放所有和训练相关的配置
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是否在多卡间同步BN的均值和方差。
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Synchronized Batch Norm跨GPU批归一化策略最早在[MegDet: A Large Mini-Batch Object Detector](https://arxiv.org/abs/1711.07240)
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论文中提出,在[Bag of Freebies for Training Object Detection Neural Networks](https://arxiv.org/pdf/1902.04103.pdf)论文中以Yolov3验证了这一策略的有效性[PaddleCV/yolov3](https://github.com/PaddlePaddle/models/tree/develop/PaddleCV/yolov3)实现了这一系列策略并比Darknet框架版本在COCO17数据上mAP高5.9.
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论文中提出,在[Bag of Freebies for Training Object Detection Neural Networks](https://arxiv.org/pdf/1902.04103.pdf)论文中以Yolov3验证了这一策略的有效性
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PaddleSeg基于PaddlePaddle框架的sync_batch_norm策略,可以支持通过多卡实现大batch size的分割模型训练,可以得到更高的mIoU精度。
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