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- [1. 模型和应用场景介绍](#1)
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- [2. 模型快速体验](#2)
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- [2.1 安装 paddleclas](#2.1)
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- [2.2 预测](#2.2)
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- [2.1 安装 paddlepaddle](#2.1)
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- [2.2 安装 paddleclas](#2.2)
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- [2.3 预测](#2.3)
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- [3. 模型训练、评估和预测](#3)
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- [3.1 环境配置](#3.1)
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- [3.2 数据准备](#3.2)
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## 2. 模型快速体验
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<a name="2.1"></a>
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### 2.1 安装 paddlepaddle
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- 您的机器安装的是 CUDA9 或 CUDA10,请运行以下命令安装
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### 2.1 安装 paddleclas
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```bash
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python3 -m pip install paddlepaddle-gpu -i https://mirror.baidu.com/pypi/simple
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```
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使用如下命令快速安装 paddlepaddle, paddleclas
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- 您的机器是CPU,请运行以下命令安装
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```bash
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python3 -m pip install paddlepaddle -i https://mirror.baidu.com/pypi/simple
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```
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更多的版本需求,请参照[飞桨官网安装文档](https://www.paddlepaddle.org.cn/install/quick)中的说明进行操作。
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### 2.2 安装 paddleclas
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使用如下命令快速安装 paddleclas
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```
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pip3 install paddlepaddle paddleclas
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pip3 install paddleclas
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```
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<a name="2.2"></a>
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### 2.2 预测
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### 2.3 预测
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点击[这里](https://paddleclas.bj.bcebos.com/data/PULC/pulc_demo_imgs.zip)下载 demo 数据并解压,然后在终端中切换到相应目录。
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* 使用命令行快速预测
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```bash
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paddleclas --model_name=person_exists --infer_imgs=deploy/images/PULC/person_exists/objects365_01780782.jpg
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paddleclas --model_name=person_exists --infer_imgs=pulc_demo_imgs/person_exists/objects365_01780782.jpg
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```
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结果如下:
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```
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>>> result
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class_ids: [0], scores: [0.9955421453341842], label_names: ['nobody'], filename: deploy/images/PULC/person_exists/objects365_01780782.jpg
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class_ids: [0], scores: [0.9955421453341842], label_names: ['nobody'], filename: pulc_demo_imgs/person_exists/objects365_01780782.jpg
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Predict complete!
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```
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```python
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import paddleclas
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model = paddleclas.PaddleClas(model_name="person_exists")
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result = model.predict(input_data="deploy/images/PULC/person_exists/objects365_01780782.jpg")
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result = model.predict(input_data="pulc_demo_imgs/person_exists/objects365_01780782.jpg")
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print(next(result))
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```
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```
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>>> result
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[{'class_ids': [0], 'scores': [0.9955421453341842], 'label_names': ['nobody'], 'filename': 'PaddleClas/deploy/images/PULC/person_exists/objects365_01780782.jpg'}]
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[{'class_ids': [0], 'scores': [0.9955421453341842], 'label_names': ['nobody'], 'filename': 'pulc_demo_imgs/person_exists/objects365_01780782.jpg'}]
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```
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<a name="3"></a>
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