Learn how to use augmented reality with opencv python. We will augment a video on top of an image using basic opencv functions in python.
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To draw a rectangle in Python using OpenCV, use cv2.rectangle() function. The cv2 rectangle() method is used to draw a rectangle on any image.
Learn Free how to create a virtual pen and eraser with python and OpenCV with source code and complete guide. This entire application is built fundamentally on contour detection. It can be thought of as something like closed color curves on compromises that have the same color or intensity, it's like a blob. In this project we use color masking to get the binary mask of our target color pen, then we use the counter detection to find the location of this pen and the contour to find it.
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To Access Pixel Data in Image using Python OpenCV, use array shape and size property to get the width, height, channel, and pixels.
Magic Methods are the special methods which gives us the ability to access built in syntactical features such as ‘<’, ‘>’, ‘==’, ‘+’ etc.. You must have worked with such methods without knowing them to be as magic methods. Magic methods can be identified with their names which start with __ and ends with __ like __init__, __call__, __str__ etc. These methods are also called Dunder Methods, because of their name starting and ending with Double Underscore (Dunder).