This is a question about the rectangle function in opencv

• found a very good blog for you to see if it helps. < font size = "3" > OpenCV rectangle frame function using < / font > < / a > < / li >

In OpenCV's 'function, the 'lineTypelineType argument is used to specify the type of line, affecting the smoothness and sharpness of the line. For the rectangle() function, the default value for lineType is 'cv2.LINE_8cv2.LINE_8, which indicates that the line is drawn with 8 connections, i.e. horizontal, vertical, and diagonal connections. To make the lines smoother, set the lineType parameter to 'cv2.LINE_AA

I usually use the default