The purpose of this study is to propose a method to rapidly detect the symmetric objects such as the front as well as the backside of cars inside tunnels with frequency shifting by applying a symmetry averaging method and a variable light and darkness compensation method for illumination variation and ambient light changes at night. These days there are some cases using high-frequency sensors with imaging equipment for vehicle peripheral recognition. This study proposes a method to detect not only cars but symmetric objects rapidly with normal cameras. The efficiency of this method was shown for the backside of cars in my previous and not only the front and the backside of cars but other symmetric objects are considered to be detected. Thus, this study shows that the improved symmetry averaging and variable light and darkness compensation parameters are applied to increase tracking capacity and detect objects efficiently.