why is that green nevermind okay and those are the only two objects so there's a number of very difficult things here first of all you need to sort of detect the objects you need to know how many there are it's all it's not always the same in each image there can be multiple objects of the same class there can be multiple objects of different classes they can be anywhere of any size that can be overlapping in the background small or across the entire image they can include each other partially so the problem is a