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FastDeploy/new_examples/vision/detection/yolov7/cpp/infer.cc
Jason 8c8818c48f Add sample doc and example code (#83)
* modify yolov7 and visualize functions

* Add a sample document and example code

* Delete .README.md.swp

* Update README.md

* Update README.md

* Update README.md
2022-08-09 14:18:49 +08:00

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C++

// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fastdeploy/vision.h"
void CpuInfer(const std::string& model_file, const std::string& image_file) {
auto model = fastdeploy::vision::detection::YOLOv7(model_file);
if (!model.Initialized()) {
std::cerr << "Failed to initialize." << std::endl;
return;
}
auto im = cv::imread(image_file);
auto im_bak = im.clone();
fastdeploy::vision::DetectionResult res;
if (!model.Predict(&im, &res)) {
std::cerr << "Failed to predict." << std::endl;
return;
}
auto vis_im = fastdeploy::vision::Visualize::VisDetection(im_bak, res);
cv::imwrite("vis_result.jpg", vis_im);
std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
}
void GpuInfer() {
auto option = fastdeploy::RuntimeOption();
option.UseGpu();
auto model = fastdeploy::vision::detection::YOLOv7(model_file, "", option);
if (!model.Initialized()) {
std::cerr << "Failed to initialize." << std::endl;
return;
}
auto im = cv::imread(image_file);
auto im_bak = im.clone();
fastdeploy::vision::DetectionResult res;
if (!model.Predict(&im, &res)) {
std::cerr << "Failed to predict." << std::endl;
return;
}
auto vis_im = fastdeploy::vision::Visualize::VisDetection(im_bak, res);
cv::imwrite("vis_result.jpg", vis_im);
std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
}
void TrtInfer() {
auto option = fastdeploy::RuntimeOption();
option.UseGpu();
option.UseTrtBackend();
option.SetTrtInputShape("image", {1, 3, 320, 320}, {1, 3, 640, 640},
{1, 3, 1280, 1280});
auto model = fastdeploy::vision::detection::YOLOv7(model_file, "", option);
if (!model.Initialized()) {
std::cerr << "Failed to initialize." << std::endl;
return;
}
auto im = cv::imread(image_file);
auto im_bak = im.clone();
fastdeploy::vision::DetectionResult res;
if (!model.Predict(&im, &res)) {
std::cerr << "Failed to predict." << std::endl;
return;
}
auto vis_im = fastdeploy::vision::Visualize::VisDetection(im_bak, res);
cv::imwrite("vis_result.jpg", vis_im);
std::cout << "Visualized result saved in ./vis_result.jpg" << std::endl;
}
int main(int argc, char* argv[]) {
if (argc < 4) {
std::cout << "Usage: infer_demo path/to/model path/to/image run_option, "
"e.g ./infer_model ./yolov7.onnx ./test.jpeg 0"
<< std::endl;
std::cout << "The data type of run_option is int, 0: run with cpu; 1: run "
"with gpu; 2: run with gpu and use tensorrt backend."
<< std::endl;
return -1;
}
if (std::atoi(argv[3]) == 0) {
CpuInfer();
} else if (std::atoi(argv[3]) == 1) {
GpuInfer();
} else if (std::atoi(argv[3]) == 2) {
TrtInfer();
}
return 0;
}