具体来说,CV_CAP_PROP_FRAME_WIDTH表示视频帧的宽度属性,可以通过调用cv::VideoCapture类的get()函数来获取。例如,可以使用以下代码获取视频帧的宽度: cv::VideoCapturecap("video.mp4");// 打开视频文件intframeWidth =cap.get(CV_CAP_PROP_FRAME_WIDTH);// 获取视频帧的宽度 在上述代码中,cap.get(CV_CAP_...
将 videoCapture.get(cv2.CV_CAP_PROP_FPS) videoCapture.get(cv2.CV_CAP_PROP_FRAME_WIDTH) 改为 videoCapture.get(cv2.CAP_PROP_FPS) videoCapture.get(cv2.CAP_PROP_FRAME_WIDTH) 哈哈,大功告成!
前面说了OpenCV DNN不光支持图像分类与对象检测模型。此外还支持各种自定义的模型，deeplabv3模型是图像...
目前我使用的是opencv 3.1.0,执行如下代码时遇到如下错误: post_frame= cap.get(cv2.CV_CAP_PROP_POS_FRAMES) 我收到以下错误消息: 文件“videoOperation.py”,第 37 行,在 pos_frame = cap.get(cv2.CV_CAP_PROP_POS_FRAMES) AttributeError: ‘module’ object has no attribute ‘CV_CAP_PROP_POS_FRA...
cv2.CAP_PROP_FRAME_WIDTH: 视频流的帧宽度。 cv2.CAP_PROP_FRAME_HEIGHT: 视频流的帧高度。 cv2.CAP_PROP_FPS: 帧率 cv2.CAP_PROP_FOURCC: 编解码器四字符代码 cv2.CAP_PROP_FRAME_COUNT: 视频文件的帧数 cv2.CAP_PROP_FORMAT: retrieve()返回的Mat对象的格式。
m_capture.SetCaptureProperty(CAP_PROP.CV_CAP_PROP_POS_FRAMES, frameID); double cap = m_capture.GetCaptureProperty(CAP_PROP.CV_CAP_PROP_POS_FRAMES); I am using Emgu 2.3 (x64) and the set capture property as above works bizarrely. For instance in the above I am setting...
But I am facing an issue with setting up frame per second value. Here is the sample code I tried:#include "opencv2/videoio.hpp" cv::VideoCapture capture; capture.open("/dev/video0"); bool success = capture.isOpened(); if (success) { capture.set(cv::CAP_PROP_FPS, 25); } but...
cv::VideoCapture cap; cap.open(std::string(argv[1])); if (!cap.isOpened()) { std::cout << "Cannot open the video file" << std::endl; return -1; } const double FPS = cap.get(cv::CAP_PROP_FPS); std::cout << "FPS: " << FPS << std::endl; ...
Size size=new Size(capture.get(Videoio.CAP_PROP_FRAME_WIDTH),capture.get(Videoio.CAP_PROP_FRAME_HEIGHT)); VideoWriter writer=new VideoWriter("D:/a.mp4",VideoWriter.fourcc('D', 'I', 'V', 'X'), 15.0,size, true); while(capture.isOpened()) { ...