What is the equivalent function for “ cvWriteFrame ” to use Mat - image type?
c++,opencv,mat,writer,iplimage
Opencv doc C++: VideoWriter& VideoWriter::operator<<(const Mat& image) C++: void VideoWriter::write(const Mat& image) Python: cv2.VideoWriter.write(image) → None C: int cvWriteFrame(CvVideoWriter* writer, const IplImage* image) Python: cv.WriteFrame(writer, image) → int So i guess something like cv::Mat image; .... cv::VideoWriter writer; writer.open(...); if (writer.isOpened()) writer << image; ...
cvSetImageROI not working
Tried your code, but I didn't find anything wrong. Maybe your x and y were not zero in the snippet. The cvWaitKey(0) are added just for debugging, it has no impact on your code. Your Code: #include <iostream> #include <opencv2/highgui/highgui.hpp> #include <opencv2/nonfree/features2d.hpp> #include <opencv2/nonfree/nonfree.hpp> #include <opencv2/opencv.hpp> using namespace std; int...
Image Filtering/Manipulation Using JavaCv(Java wrapper for OpenCV) in Android
android,video-processing,javacv,iplimage
I would like to share the knowledge that I have acquired while using JavaCv for Image and Video filtering.I have been successful in developing my filters (Gray-scale, Vintage, Contrast, Sharpen, Blur & Smooth) using JavaCv. I could easily do Image filtering with Bitmap Manipulation, but it was too slow to...