| 摘要 |
This portable device includes a photographic means which photographs an image with a lens, and a display means which displays this image upon a screen. Moreover, this portable device includes a storage means which stores map information in advance. Moreover, this portable device includes a position measurement means which measures the position of the portable device, and an azimuth detection means which detects the azimuth in which the lens is pointing. Furthermore, this portable device includes a control means which extracts, from the map information, a title which corresponds to at least one object being displayed by the display means, based upon the position which has been measured by the position measurement means, the azimuth which has been detected by the azimuth detection means, and the positional information. And the display means display the title which has been extracted upon the screen as superimposed upon the image.
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