contours——contours便利刪除操作方法 OpenCV (二)

int cmin = 100;
	int cmax = 1000;
	vector<vector<Point>>::const_iterator itc = contours.begin();
	while (itc != contours.end())
	{
		if (itc->size() < cmin || itc->size() > cmax)
			itc = contours.erase(itc);
		else
			++itc;
	}