mirror of
https://github.com/PaddlePaddle/FastDeploy.git
synced 2025-10-05 16:48:03 +08:00
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
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.
|
|
|
|
#ifdef ENABLE_VISION_VISUALIZE
|
|
|
|
#include "fastdeploy/vision/visualize/visualize.h"
|
|
#include "opencv2/imgproc/imgproc.hpp"
|
|
|
|
namespace fastdeploy {
|
|
namespace vision {
|
|
|
|
// Default only support visualize num_classes <= 1000
|
|
// If need to visualize num_classes > 1000
|
|
// Please call Visualize::GetColorMap(num_classes) first
|
|
void Visualize::VisDetection(cv::Mat* im, const DetectionResult& result,
|
|
int line_size, float font_size) {
|
|
auto color_map = GetColorMap();
|
|
int h = im->rows;
|
|
int w = im->cols;
|
|
for (size_t i = 0; i < result.boxes.size(); ++i) {
|
|
cv::Rect rect(result.boxes[i][0], result.boxes[i][1],
|
|
result.boxes[i][2] - result.boxes[i][0],
|
|
result.boxes[i][3] - result.boxes[i][1]);
|
|
int c0 = color_map[3 * result.label_ids[i] + 0];
|
|
int c1 = color_map[3 * result.label_ids[i] + 1];
|
|
int c2 = color_map[3 * result.label_ids[i] + 2];
|
|
cv::Scalar rect_color = cv::Scalar(c0, c1, c2);
|
|
std::string id = std::to_string(result.label_ids[i]);
|
|
std::string score = std::to_string(result.scores[i]);
|
|
if (score.size() > 4) {
|
|
score = score.substr(0, 4);
|
|
}
|
|
std::string text = id + "," + score;
|
|
int font = cv::FONT_HERSHEY_SIMPLEX;
|
|
cv::Size text_size = cv::getTextSize(text, font, font_size, 0.5, nullptr);
|
|
cv::Point origin;
|
|
origin.x = rect.x;
|
|
origin.y = rect.y;
|
|
cv::Rect text_background =
|
|
cv::Rect(result.boxes[i][0], result.boxes[i][1] - text_size.height,
|
|
text_size.width, text_size.height);
|
|
cv::rectangle(*im, rect, rect_color, line_size);
|
|
cv::putText(*im, text, origin, font, font_size, cv::Scalar(255, 255, 255),
|
|
0.5);
|
|
}
|
|
}
|
|
|
|
} // namespace vision
|
|
} // namespace fastdeploy
|
|
#endif
|