Patent ID: 8275173

Claim:
A parking assistance system for being equipped on a car, the parking assistance system comprising: an image capture device disposed on the car to capture at least one parking image from the back of the car; a display device disposed in the car; and an image analysis device coupled to the image capture device and the display device to receive and analyze the parking image to determine an initial line in the parking image and determine two side lines in the parking image according to the initial line, the initial line and the two side lines defining a parking region and at least one auxiliary line being parallel with the initial line and intersecting the two side lines; wherein the image analysis device determines a first reference point according to a specific position on the car, a second reference point according to an interval of the initial line between the two side lines, at least one third reference point according to an interval of the auxiliary line between the two side lines and a recommended parking path according to the first reference point, the second reference point and the third reference point, and transmits the parking image and the recommended parking path to the display device, so that the parking image and the recommended parking path are superimposed to be displayed on the display.