The invention relates to a mobile device with a built-in image capture device, and a character recognition function to present the information gathered with the character recognition result. With the mobile device, the character line extraction process is displayed whenever necessary, and the resolution of an image to be inputted for recognition processing is enhanced. Accordingly, it is possible for the operator to select the target character line with ease. In addition, the mobile device has a character recognition ratio improved by the enhancement in resolution.