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// Copyright (c) 2021 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 <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <vector>
std::vector<float> get_3rd_point(std::vector<float>& a, std::vector<float>& b);
std::vector<float> get_dir(float src_point_x, float src_point_y, float rot_rad);
void affine_tranform(
float pt_x, float pt_y, cv::Mat& trans, std::vector<float>& x, int p, int num);
cv::Mat get_affine_transform(std::vector<float>& center,
std::vector<float>& scale,
float rot,
std::vector<int>& output_size,
int inv);
void transform_preds(std::vector<float>& coords,
std::vector<float>& center,
std::vector<float>& scale,
std::vector<int>& output_size,
std::vector<int>& dim,
std::vector<float>& target_coords,
bool affine);
void box_to_center_scale(std::vector<int>& box,
int width,
int height,
std::vector<float>& center,
std::vector<float>& scale);
void get_max_preds(std::vector<float>& heatmap,
std::vector<int64_t>& dim,
std::vector<float>& preds,
std::vector<float>& maxvals,
int batchid,
int joint_idx);
void get_final_preds(std::vector<float>& heatmap,
std::vector<int64_t>& dim,
std::vector<int64_t>& idxout,
std::vector<int64_t>& idxdim,
std::vector<float>& center,
std::vector<float> scale,
std::vector<float>& preds,
int batchid,
bool DARK = true);
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