Oct 31, 2020 · The next step is to specify the video codec using fourCC.It is a 4-byte code used for specifying the video codec. For the sake of simplicity we can pass the FourCC code for AVI video format which is *"XVID".
Oct 31, 2020 · The next step is to specify the video codec using fourCC.It is a 4-byte code used for specifying the video codec. For the sake of simplicity we can pass the FourCC code for AVI video format which is *"XVID".
Dec 06, 2011 · MSCVS2011 - OpenCV 1. Open Source Computer Vision Library Victor Eruhimov ITSEEZ Microsoft Computer Vision School 2. Outline• OpenCV Overview• Functionality• Programming with OpenCV• OpenCV on CPU & GPU• Mobile vision 2 3.
Dec 21, 2011 · [email protected]:~$ arm-linux-gnueabi-g++ opencv_camshow.cpp -o opencv_camshow.bin \ `pkg-config --libs opencv` Epic failure! The arm-based libraries cannot be found. The pkg-config command returned the correct library names, but the linker tried to use my ubuntu-desktop’s x86 opencv library files instead.
May 14, 2019 · Disclaimer: OpenCV can be the real villain and can severely impact the performance of your computer vision application esp. in production having kubernetes environment (using dockers).
We use OpenCV function "VideoCapture::read" for image capture and OpenCV function "imshow" for image display. Between the two functions we use Caffe to process image.
Face detection (haarcascade method) is unbelievable slow. I use opencv compiled with CUDA (using your script: install_opencv4.3.0_Jetson.sh). CUDA is verified (by cv2.getBuildInformation()), but is just 0.1 sec faster than without CUDA (0.3 sec vs 0.4 sec per frame) (3 f/s). Thats is incredible! Raspberry Py 3 performs at about 8f/s.
OpenCV allows you to create your own cascades, but the process isn’t well documented. Here is a blog post that shows you how to train your own cascade to detect a banana. If you want to take it one step further and recognize individual faces - perhaps to detect and recognize your face amongst many strangers - the task is surprisingly difficult.