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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.
#pragma once
#include "fastdeploy/fastdeploy_model.h"
#include "fastdeploy/vision/common/processors/transform.h"
#include "fastdeploy/vision/common/result.h"
namespace fastdeploy {
namespace vision {
namespace detection {
/*! @brief YOLOX model object used when to load a YOLOX model exported by YOLOX.
*/
class FASTDEPLOY_DECL YOLOX : public FastDeployModel {
public:
/** \brief Set path of model file and the configuration of runtime.
*
* \param[in] model_file Path of model file, e.g ./yolox.onnx
* \param[in] params_file Path of parameter file, e.g ppyoloe/model.pdiparams, if the model format is ONNX, this parameter will be ignored
* \param[in] custom_option RuntimeOption for inference, the default will use cpu, and choose the backend defined in "valid_cpu_backends"
* \param[in] model_format Model format of the loaded model, default is ONNX format
*/
YOLOX(const std::string& model_file, const std::string& params_file = "",
const RuntimeOption& custom_option = RuntimeOption(),
const ModelFormat& model_format = ModelFormat::ONNX);
std::string ModelName() const { return "YOLOX"; }
/** \brief Predict the detection result for an input image
*
* \param[in] im The input image data, comes from cv::imread(), is a 3-D array with layout HWC, BGR format
* \param[in] result The output detection result will be writen to this structure
* \param[in] conf_threshold confidence threashold for postprocessing, default is 0.25
* \param[in] nms_iou_threshold iou threashold for NMS, default is 0.5
* \return true if the prediction successed, otherwise false
*/
virtual bool Predict(cv::Mat* im, DetectionResult* result,
float conf_threshold = 0.25,
float nms_iou_threshold = 0.5);
/*! @brief
Argument for image preprocessing step, tuple of (width, height), decide the target size after resize, default size = {640, 640}
*/
std::vector<int> size;
// padding value, size should be the same as channels
std::vector<float> padding_value;
/*! @brief
whether the model_file was exported with decode module. The official
YOLOX/tools/export_onnx.py script will export ONNX file without
decode module. Please set it 'true' manually if the model file
was exported with decode module. default false.
*/
bool is_decode_exported;
// downsample strides for YOLOX to generate anchors,
// will take (8,16,32) as default values, might have stride=64
std::vector<int> downsample_strides;
// for offseting the boxes by classes when using NMS, default 4096
float max_wh;
private:
bool Initialize();
bool Preprocess(Mat* mat, FDTensor* outputs,
std::map<std::string, std::array<float, 2>>* im_info);
bool Postprocess(FDTensor& infer_result, DetectionResult* result,
const std::map<std::string, std::array<float, 2>>& im_info,
float conf_threshold, float nms_iou_threshold);
bool PostprocessWithDecode(
FDTensor& infer_result, DetectionResult* result,
const std::map<std::string, std::array<float, 2>>& im_info,
float conf_threshold, float nms_iou_threshold);
bool IsDynamicInput() const { return is_dynamic_input_; }
// whether to inference with dynamic shape (e.g ONNX export with dynamic shape
// or not.)
// megvii/YOLOX official 'export_onnx.py' script will export static ONNX by
// default.
// while is_dynamic_shape if 'false', is_mini_pad will force 'false'. This
// value will
// auto check by fastdeploy after the internal Runtime already initialized.
bool is_dynamic_input_;
};
} // namespace detection
} // namespace vision
} // namespace fastdeploy