<p>An image processing device includes a car navigation processing unit (12) for processing a WQVGA signal, a TV reception processing unit (15) for processing an NTSC signal, and an image resolution conversion unit (17) for image resolution-converting the NTSC signal from the TV reception processing unit (15) into the WQVGA signal. The TV reception processing unit (15) has an image aspect conversion unit (104) for image aspect-converting the character data acquired from a WQVGA-compatible character font set (2) and a graphics/TV image synthesis unit (106) for synthesizing the output from the image aspect conversion unit (104) with the NTSC signal and outputting it to the image resolution conversion unit (17).</p>
