Patent ID: 8577601

Claim:
A navigation device comprising: a display; a recording medium; a navigation camera including a camera lens and operable to capture at least a real-time traffic image; a global positioning system (GPS) system for receiving at least a GPS signal; and a processor coupled electrically to said display, said recording medium, said navigation camera and said GPS system, said processor being operable to determine a current position based on the GPS signal, generate navigation information including a navigation route based on a destination, determine a reference point of the real-time traffic image received from said navigation camera, the reference point being associated with a depth of field of the real-time traffic image, determine an viewing angle and a zoom scale of the real-time traffic image based on the reference point, adjust a display scale and a display position of the navigation route based on the viewing angle and the zoom scale, superimpose the navigation route on the display position of the real-time traffic image to generate a superimposed image, output the superimposed image on said display, and store the superimposed image in said recording medium.