Creates MOG2 Background Subtractor

bs = cv.BackgroundSubtractorMOG2()
bs = cv.BackgroundSubtractorMOG2('OptionName', optionValue, ...)

Options

• History Length of the history. default 500
• VarThreshold Threshold on the squared Mahalanobis distance between the pixel and the model to decide whether a pixel is well described by the background model. This parameter does not affect the background update. default 16
• DetectShadows If true, the algorithm will detect shadows and mark them. It decreases the speed a bit, so if you do not need this feature, set the parameter to false. default true