Patent ID: 8570213

Claim:
A fake image reduction device, comprising: a target object detector that receives, as input, target object image data generated on the basis of an echo signal from an antenna that transmits an electromagnetic wave and receives the echo signal, and measures a level of the echo signal to detect the target objects; a reflecting body identifier that identifies the detected target object as a reflecting body by calculating a correlation value between the echo signal corresponding to the target object and the echo signal at each position located on a circle centering on the target object nearest to the transmitting position, and identifying the target object nearest to the transmitting position as the reflecting body in response to a determination that the calculated correlation value exceeds a predetermined threshold; a fake image area setting module that sets a fake image area according to a distance and an azimuth direction from a transmitting position of the electromagnetic wave to the identified reflecting body; and an echo level corrector that corrects the level of the echo signal located within the fake image area.