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ModelZoo
yolov3_migraphx
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3c10e26b
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3c10e26b
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Jun 13, 2023
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shizhm
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3c10e26b
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@@ -8,7 +8,7 @@ YOLOV3是由Joseph Redmon和Ali Farhadi在2018年提出的单阶段目标检测
算法基本思想首先通过特征提取网络对输入提取特征,backbone部分由YOLOV2时期的Darknet19进化至Darknet53加深了网络层数,引入了Resnet中的跨层加和操作;然后结合不同卷积层的特征实现多尺度训练,一共有13x13、26x26、52x52三种分辨率,分别用来预测大、中、小的物体;每种分辨率的特征图将输入图像分成不同数量的格子,每个格子预测B个bounding box,每个bounding box预测内容包括: Location(x, y, w, h)、Confidence Score和C个类别的概率,因此YOLOv3输出层的channel数为B
*
(5 + C)。YOLOv3的loss函数也有三部分组成:Location误差,Confidence误差和分类误差。参考论文地址:https://arxiv.org/abs/1804.02767
##
p
ython版本推理
##
P
ython版本推理
下面介绍如何运行Python代码示例,Python示例的详细说明见Doc目录下的Tutorial_Python.md。
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@@ -38,7 +38,7 @@ pip install -r requirements.txt
### 运行示例
YoloV3模型的推理示例程序是YoloV3_infer_migraphx.py,在
p
ython目录下使用如下命令运行该推理示例:
YoloV3模型的推理示例程序是YoloV3_infer_migraphx.py,在
P
ython目录下使用如下命令运行该推理示例:
```
python YoloV3_infer_migraphx.py \
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