mmdeploy/demo/csrc/c/rotated_object_detection.cpp

71 lines
2.2 KiB
C++

#include <fstream>
#include <iostream>
#include <opencv2/imgcodecs.hpp>
#include <opencv2/imgproc.hpp>
#include <string>
#include "mmdeploy/rotated_detector.h"
int main(int argc, char *argv[]) {
if (argc != 4) {
fprintf(stderr, "usage:\n oriented_object_detection device_name model_path image_path\n");
return 1;
}
auto device_name = argv[1];
auto model_path = argv[2];
auto image_path = argv[3];
cv::Mat img = cv::imread(image_path);
if (!img.data) {
fprintf(stderr, "failed to load image: %s\n", image_path);
return 1;
}
mmdeploy_rotated_detector_t detector{};
int status{};
status = mmdeploy_rotated_detector_create_by_path(model_path, device_name, 0, &detector);
if (status != MMDEPLOY_SUCCESS) {
fprintf(stderr, "failed to create rotated detector, code: %d\n", (int)status);
return 1;
}
mmdeploy_mat_t mat{
img.data, img.rows, img.cols, 3, MMDEPLOY_PIXEL_FORMAT_BGR, MMDEPLOY_DATA_TYPE_UINT8};
mmdeploy_rotated_detection_t *rbboxes{};
int *res_count{};
status = mmdeploy_rotated_detector_apply(detector, &mat, 1, &rbboxes, &res_count);
if (status != MMDEPLOY_SUCCESS) {
fprintf(stderr, "failed to apply rotated detector, code: %d\n", (int)status);
return 1;
}
for (int i = 0; i < *res_count; ++i) {
// skip low score
if (rbboxes[i].score < 0.1) {
continue;
}
const auto &rbbox = rbboxes[i].rbbox;
float xc = rbbox[0];
float yc = rbbox[1];
float w = rbbox[2];
float h = rbbox[3];
float ag = rbbox[4];
float wx = w / 2 * std::cos(ag);
float wy = w / 2 * std::sin(ag);
float hx = -h / 2 * std::sin(ag);
float hy = h / 2 * std::cos(ag);
cv::Point p1 = {int(xc - wx - hx), int(yc - wy - hy)};
cv::Point p2 = {int(xc + wx - hx), int(yc + wy - hy)};
cv::Point p3 = {int(xc + wx + hx), int(yc + wy + hy)};
cv::Point p4 = {int(xc - wx + hx), int(yc - wy + hy)};
cv::drawContours(img, std::vector<std::vector<cv::Point>>{{p1, p2, p3, p4}}, -1, {0, 255, 0},
2);
}
cv::imwrite("output_rotated_detection.png", img);
mmdeploy_rotated_detector_release_result(rbboxes, res_count);
mmdeploy_rotated_detector_destroy(detector);
return 0;
}