Blogs

Udaya Wijenayake - Making a Chessboard Pattern for Camera CalibrationThe following code can be used to make a chessboard image given the number of rows and columns of the chessboard, the square size in pixels, and two colors. The default size of the square is 100 pixels, and the default colors are black and white.

Udaya Wijenayake - Converting images from RGB to HSVHere is a code snippet we can use for converting an image from RGB colour space to HSV colour space. OpenCV uses BGR format instead of RGB. Therefore, we have to use the CV_BGR2HSV flag to convert the image to HSV space and then the “split” method to separate the hue, saturation and value channels.

Udaya Wijenayake - OpenCV “cv::Mat” Data TypesThese are the data types we can use with OpenCV Matrices.

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