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// 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 InitAndInfer(const std::string &det_model_file,
const std::string &cls_model_file,
const std::string &rec_model_file,
const std::string &rec_label_file,
const std::string &image_file,
const fastdeploy::RuntimeOption &option,
const fastdeploy::ModelFormat &format) {
auto det_params_file = "";
auto cls_params_file = "";
auto rec_params_file = "";
auto det_option = option;
auto cls_option = option;
auto rec_option = option;
if (format == fastdeploy::ONNX) {
std::cout << "ONNX Model" << std::endl;
}
auto det_model = fastdeploy::vision::ocr::DBDetector(
det_model_file, det_params_file, det_option, format);
auto cls_model = fastdeploy::vision::ocr::Classifier(
cls_model_file, cls_params_file, cls_option, format);
auto rec_model = fastdeploy::vision::ocr::Recognizer(
rec_model_file, rec_params_file, rec_label_file, rec_option, format);
if (format == fastdeploy::RKNN) {
cls_model.GetPreprocessor().DisableNormalize();
cls_model.GetPreprocessor().DisablePermute();
det_model.GetPreprocessor().DisableNormalize();
det_model.GetPreprocessor().DisablePermute();
rec_model.GetPreprocessor().DisableNormalize();
rec_model.GetPreprocessor().DisablePermute();
}
det_model.GetPreprocessor().SetStaticShapeInfer(true);
rec_model.GetPreprocessor().SetStaticShapeInfer(true);
assert(det_model.Initialized());
assert(cls_model.Initialized());
assert(rec_model.Initialized());
// The classification model is optional, so the PP-OCR can also be connected
// in series as follows auto ppocr_v3 =
// fastdeploy::pipeline::PPOCRv3(&det_model, &rec_model);
auto ppocr_v3 =
fastdeploy::pipeline::PPOCRv3(&det_model, &cls_model, &rec_model);
// When users enable static shape infer for rec model, the batch size of cls
// and rec model must to be set to 1.
ppocr_v3.SetClsBatchSize(1);
ppocr_v3.SetRecBatchSize(1);
if (!ppocr_v3.Initialized()) {
std::cerr << "Failed to initialize PP-OCR." << std::endl;
return;
}
auto im = cv::imread(image_file);
fastdeploy::vision::OCRResult result;
if (!ppocr_v3.Predict(im, &result)) {
std::cerr << "Failed to predict." << std::endl;
return;
}
std::cout << result.Str() << std::endl;
auto vis_im = fastdeploy::vision::VisOcr(im, result);
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 < 7) {
std::cout << "Usage: infer_demo path/to/det_model path/to/cls_model "
"path/to/rec_model path/to/rec_label_file path/to/image "
"run_option, "
"e.g ./infer_demo ./ch_PP-OCRv3_det_infer "
"./ch_ppocr_mobile_v2.0_cls_infer ./ch_PP-OCRv3_rec_infer "
"./ppocr_keys_v1.txt ./12.jpg 0"
<< std::endl;
std::cout << "The data type of run_option is int, 0: run with cpu; 1: run "
"with ascend."
<< std::endl;
return -1;
}
fastdeploy::RuntimeOption option;
fastdeploy::ModelFormat format;
int flag = std::atoi(argv[6]);
if (flag == 0) {
option.UseCpu();
format = fastdeploy::ONNX;
} else if (flag == 1) {
option.UseRKNPU2();
format = fastdeploy::RKNN;
}
std::string det_model_dir = argv[1];
std::string cls_model_dir = argv[2];
std::string rec_model_dir = argv[3];
std::string rec_label_file = argv[4];
std::string test_image = argv[5];
InitAndInfer(det_model_dir, cls_model_dir, rec_model_dir, rec_label_file,
test_image, option, format);
return 0;
}