请用c++写一段ros程序,gazebo仿真环境下有一个kinect深度相机,要求读取深度相机的深度图像和rgb图像,两者的话题名分别为/camera3/depth/image_raw和/camera3/rgb/image_raw,深度图片的编码格式为32FC1,读取图片并分别显示
时间: 2024-01-01 09:06:47 浏览: 137
好的,以下是示例代码,需要在ROS环境下使用:
```cpp
#include <ros/ros.h>
#include <sensor_msgs/Image.h>
#include <sensor_msgs/image_encodings.h>
#include <cv_bridge/cv_bridge.h>
#include <opencv2/highgui/highgui.hpp>
void depthCallback(const sensor_msgs::ImageConstPtr& msg)
{
if (msg->encoding != sensor_msgs::image_encodings::TYPE_32FC1) {
ROS_ERROR("Depth image has unsupported encoding: %s", msg->encoding.c_str());
return;
}
// Convert sensor_msgs/Image to OpenCV image
cv_bridge::CvImagePtr cv_ptr;
try {
cv_ptr = cv_bridge::toCvCopy(msg, sensor_msgs::image_encodings::TYPE_32FC1);
} catch (cv_bridge::Exception& e) {
ROS_ERROR("cv_bridge exception: %s", e.what());
return;
}
// Display depth image
cv::imshow("Depth Image", cv_ptr->image);
cv::waitKey(1);
}
void rgbCallback(const sensor_msgs::ImageConstPtr& msg)
{
// Convert sensor_msgs/Image to OpenCV image
cv_bridge::CvImagePtr cv_ptr;
try {
cv_ptr = cv_bridge::toCvCopy(msg, sensor_msgs::image_encodings::RGB8);
} catch (cv_bridge::Exception& e) {
ROS_ERROR("cv_bridge exception: %s", e.what());
return;
}
// Display RGB image
cv::imshow("RGB Image", cv_ptr->image);
cv::waitKey(1);
}
int main(int argc, char** argv)
{
ros::init(argc, argv, "kinect_image_viewer");
ros::NodeHandle nh;
// Subscribe to depth image topic
ros::Subscriber depth_sub = nh.subscribe("/camera3/depth/image_raw", 1, depthCallback);
// Subscribe to RGB image topic
ros::Subscriber rgb_sub = nh.subscribe("/camera3/rgb/image_raw", 1, rgbCallback);
// OpenCV window for showing images
cv::namedWindow("Depth Image");
cv::namedWindow("RGB Image");
ros::spin();
return 0;
}
```
这段代码会订阅深度图像和RGB图像的话题,并将其转换为OpenCV格式,然后使用OpenCV显示深度图像和RGB图像。注意,这里假设深度图像的编码格式为32FC1,RGB图像的编码格式为RGB8。如果实际情况不同,需要对代码进行相应修改。
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