Top "Opencv" questions

OpenCV (Open Source Computer Vision) is a library for real time computer vision.

Getting an error "fopen': This function or variable may be unsafe." when compling

I'm receiving this error when compiling: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To …

c++ opencv fopen
Convert image from PIL to openCV format

I'm trying to convert image from PIL to OpenCV format. I'm using OpenCV 2.4.3. here is what I've attempted till now. &…

python image-processing opencv python-imaging-library
DLL load failed error when importing cv2

I have installed opencv on my windows machine using python 3.6 without any issues, using: pip install opencv-python but when I …

python opencv cv2
Cannot get OpenCV to compile because of undefined references?

The code is simple and is essentially straight from this tutorial. I am running Arch Linux and have the OpenCV …

c++ opencv archlinux
Install opencv for Python 3.3

Is OpenCV still not available for Python 3.3 and do I really have to downgrade to Python 2.7 to use it? I …

python opencv python-3.x
Installing OpenCV 2.4.3 in Visual C++ 2010 Express

How do you install and use OpenCV 2.4.3 under VC++ 2010 Express?

c++ visual-c++ opencv
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's …

c++ objective-c image-processing opencv computer-vision
Extracting text OpenCV

I am trying to find the bounding boxes of text in an image and am currently using this approach: // calculate …

c++ opencv image-processing text bounding-box
Saving an image in OpenCV

I am new to OpenCV, and trying to capture an image, and then save it to a file. I am …

c++ opencv computer-vision
Get video dimension in python-opencv

I can get size of image, like this: import cv2 img = cv2.imread('my_image.jpg',0) height, width = img.shape[:2] …

python opencv video