Device and method for detecting pavement evenness based on image moire method

The invention relates to a device and method for detecting the pavement evenness based on an image moire method. The device comprises a car body, wheels, a reference grid arranged on a bottom plate in the car, a light source, a filter and a focusing lens and a CCD camera, wherein the light source, the filter and the focusing lens are arranged at one side of the reference grid and the CCD camera is arranged at the other side of the reference grid. The device also comprises a notebook computer and a printing device. The computer is connected with the CCD camera and is provided with image processing software which can store and process the pavement images in real time. The invention introduces the image moire method into pavement detection, realizes automation and full digitalization of detection and has the advantages of simple operation, easy realization, low cost, high precision, etc.