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Add PaddleSeg doc and infer.cc demo (#114)
* Update README.md * Update README.md * Update README.md * Create README.md * Update README.md * Update README.md * Update README.md * Update README.md * Add evaluation calculate time and fix some bugs * Update classification __init__ * Move to ppseg * Add segmentation doc * Add PaddleClas infer.py * Update PaddleClas infer.py * Delete .infer.py.swp * Add PaddleClas infer.cc * Update README.md * Update README.md * Update README.md * Update infer.py * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Update README.md * Add PaddleSeg doc and infer.cc demo * Update README.md * Update README.md * Update README.md Co-authored-by: Jason <jiangjiajun@baidu.com>
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# YOLOv7 C++部署示例
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# PaddleSeg C++部署示例
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本目录下提供`infer.cc`快速完成YOLOv7在CPU/GPU,以及GPU上通过TensorRT加速部署的示例。
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本目录下提供`infer.cc`快速完成Unet在CPU/GPU,以及GPU上通过TensorRT加速部署的示例。
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在部署前,需确认以下两个步骤
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```
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mkdir build
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cd build
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wget https://xxx.tgz
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tar xvf fastdeploy-linux-x64-0.2.0.tgz
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cmake .. -DFASTDEPLOY_INSTALL_DIR=${PWD}/fastdeploy-linux-x64-0.2.0
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wget https://bj.bcebos.com/paddlehub/fastdeploy/libs/0.2.0/fastdeploy-linux-x64-gpu-0.2.0.tgz
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tar xvf fastdeploy-linux-x64-gpu-0.2.0.tgz
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cd fastdeploy-linux-x64-gpu-0.2.0/examples/vision/segmentation/paddleseg/cpp/build
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cmake .. -DFASTDEPLOY_INSTALL_DIR=${PWD}/../../../../../../../fastdeploy-linux-x64-gpu-0.2.0
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make -j
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#下载官方转换好的yolov7模型文件和测试图片
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wget https://bj.bcebos.com/paddlehub/fastdeploy/yolov7.onnx
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wget https://gitee.com/paddlepaddle/PaddleDetection/raw/release/2.4/demo/000000087038.jpg
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# 下载Unet模型文件和测试图片
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wget https://bj.bcebos.com/paddlehub/fastdeploy/Unet_cityscapes_without_argmax_infer.tgz
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tar -xvf Unet_cityscapes_without_argmax_infer.tgz
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wget https://paddleseg.bj.bcebos.com/dygraph/demo/cityscapes_demo.png
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# CPU推理
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./infer_demo yolov7.onnx 000000087038.jpg 0
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./infer_demo Unet_cityscapes_without_argmax_infer infer.cc cityscapes_demo.png 0
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# GPU推理
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./infer_demo yolov7.onnx 000000087038.jpg 1
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./infer_demo Unet_cityscapes_without_argmax_infer infer.cc cityscapes_demo.png 1
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# GPU上TensorRT推理
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./infer_demo yolov7.onnx 000000087038.jpg 2
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./infer_demo Unet_cityscapes_without_argmax_infer infer.cc cityscapes_demo.png 2
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```
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## YOLOv7 C++接口
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运行完成可视化结果如下图所示
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<div align="center">
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<img src="https://user-images.githubusercontent.com/16222477/184588768-45ee673b-ef1f-40f4-9fbd-6b1a9ce17c59.png", width=512px, height=256px />
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</div>
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### YOLOv7类
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## PaddleSeg C++接口
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### PaddleSeg类
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```
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fastdeploy::vision::detection::YOLOv7(
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fastdeploy::vision::segmentation::PaddleSegModel(
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const string& model_file,
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const string& params_file = "",
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const string& config_file,
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const RuntimeOption& runtime_option = RuntimeOption(),
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const Frontend& model_format = Frontend::ONNX)
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const Frontend& model_format = Frontend::PADDLE)
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```
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YOLOv7模型加载和初始化,其中model_file为导出的ONNX模型格式。
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PaddleSegModel模型加载和初始化,其中model_file为导出的Paddle模型格式。
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**参数**
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> * **model_file**(str): 模型文件路径
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> * **params_file**(str): 参数文件路径,当模型格式为ONNX时,此参数传入空字符串即可
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> * **params_file**(str): 参数文件路径
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> * **config_file**(str): 推理部署配置文件
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> * **runtime_option**(RuntimeOption): 后端推理配置,默认为None,即采用默认配置
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> * **model_format**(Frontend): 模型格式,默认为ONNX格式
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> * **model_format**(Frontend): 模型格式,默认为Paddle格式
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#### Predict函数
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> ```
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> YOLOv7::Predict(cv::Mat* im, DetectionResult* result,
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> float conf_threshold = 0.25,
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> float nms_iou_threshold = 0.5)
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> PaddleSegModel::Predict(cv::Mat* im, DetectionResult* result)
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> ```
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>
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> 模型预测接口,输入图像直接输出检测结果。
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@@ -64,13 +71,16 @@ YOLOv7模型加载和初始化,其中model_file为导出的ONNX模型格式。
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> **参数**
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>
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> > * **im**: 输入图像,注意需为HWC,BGR格式
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> > * **result**: 检测结果,包括检测框,各个框的置信度, DetectionResult说明参考[视觉模型预测结果](../../../../../docs/api/vision_results/)
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> > * **conf_threshold**: 检测框置信度过滤阈值
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> > * **nms_iou_threshold**: NMS处理过程中iou阈值
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> > * **result**: 分割结果,包括分割预测的标签以及标签对应的概率值, SegmentationResult说明参考[视觉模型预测结果](../../../../../docs/api/vision_results/)
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### 类成员变量
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### 类成员属性
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#### 预处理参数
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用户可按照自己的实际需求,修改下列预处理参数,从而影响最终的推理和部署效果
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> > * **size**(vector<int>): 通过此参数修改预处理过程中resize的大小,包含两个整型元素,表示[width, height], 默认值为[640, 640]
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> > * **is_vertical_screen**(bool): PP-HumanSeg系列模型通过设置此参数为`True`表明输入图片是竖屏,即height大于width的图片
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#### 后处理参数
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> > * **with_softmax**(bool): 当模型导出时,并未指定`with_softmax`参数,可通过此设置此参数为`True`,将预测的输出分割标签(label_map)对应的概率结果(score_map)做softmax归一化处理
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- [模型介绍](../../)
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- [Python部署](../python)
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