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2.4 KiB
2.4 KiB
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PaddleClas C++部署示例
本目录下用于展示 ResNet50_vd 模型在RKNPU2上的部署,以下的部署过程以 ResNet50_vd 为例子。
在部署前,需确认以下两个步骤:
- 软硬件环境满足要求
- 根据开发环境,下载预编译部署库或者从头编译FastDeploy仓库
以上步骤请参考RK2代NPU部署库编译实现
生成基本目录文件
该例程由以下几个部分组成
.
├── CMakeLists.txt
├── build # 编译文件夹
├── images # 存放图片的文件夹
├── infer.cc
├── ppclas_model_dir # 存放模型文件的文件夹
└── thirdpartys # 存放sdk的文件夹
首先需要先生成目录结构
mkdir build
mkdir images
mkdir ppclas_model_dir
mkdir thirdpartys
编译
编译并拷贝SDK到thirdpartys文件夹
请参考RK2代NPU部署库编译仓库编译SDK,编译完成后,将在build目录下生成fastdeploy-0.0.3目录,请移动它至thirdpartys目录下.
拷贝模型文件,以及配置文件至model文件夹
在Paddle动态图模型 -> Paddle静态图模型 -> ONNX模型的过程中,将生成ONNX文件以及对应的yaml配置文件,请将配置文件存放到model文件夹内。 转换为RKNN后的模型文件也需要拷贝至model,转换方案: (ResNet50_vd RKNN模型)。
准备测试图片至image文件夹
wget https://gitee.com/paddlepaddle/PaddleClas/raw/release/2.4/deploy/images/ImageNet/ILSVRC2012_val_00000010.jpeg
编译example
cd build
cmake ..
make -j8
make install
运行例程
cd ./build/install
./rknpu_test ./ppclas_model_dir ./images/ILSVRC2012_val_00000010.jpeg
运行结果展示
ClassifyResult( label_ids: 153, scores: 0.684570, )
注意事项
RKNPU上对模型的输入要求是使用NHWC格式,且图片归一化操作会在转RKNN模型时,内嵌到模型中,因此我们在使用FastDeploy部署时,需要先调用DisablePermute(C++)或`disable_permute(Python),在预处理阶段禁用数据格式的转换。