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fix weights/download.sh. #2009

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Merged
merged 2 commits into from
Apr 8, 2019
Merged

fix weights/download.sh. #2009

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26328d0
fix weights/download.sh.
heavengate Apr 8, 2019
9e11a71
check pretrain exist.
heavengate Apr 8, 2019
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2 changes: 1 addition & 1 deletion PaddleCV/yolov3/README_cn.md
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Expand Up @@ -64,7 +64,7 @@ YOLOv3 的网络结构由基础特征提取网络、multi-scale特征融合层

**下载预训练模型：** 本示例提供darknet53预训练模型，该模型转换自作者提供的darknet53在ImageNet上预训练的权重，采用如下命令下载预训练模型：

sh ./weights/download_pretrained_weight.sh
sh ./weights/download.sh

通过初始化`pretrain` 加载预训练模型。同时在参数微调时也采用该设置加载已训练模型。
请在训练前确认预训练模型下载与加载正确，否则训练过程中损失可能会出现NAN。
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2 changes: 2 additions & 0 deletions PaddleCV/yolov3/train.py
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Expand Up @@ -74,6 +74,8 @@ def train():
exe.run(fluid.default_startup_program())

if cfg.pretrain:
if not os.path.exists(cfg.pretrain):
print("Pretrain weights not found: {}".format(cfg.pretrain))
def if_exist(var):
return os.path.exists(os.path.join(cfg.pretrain, var.name))
fluid.io.load_vars(exe, cfg.pretrain, predicate=if_exist)
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2 changes: 1 addition & 1 deletion PaddleCV/yolov3/weights/download.sh
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@@ -1,4 +1,4 @@
DIR="$(dirname "$PWD -P")"
DIR="$( cd "$(dirname "$0")" ; pwd -P )"
cd "$DIR"

# Download the pretrain weights.
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