Thumbnail images are promptly created while reducing the required memory capacity for storing the thumbnail images. When input (of an image or a command) is not completed in more than a prescribed time period, only the picture images photographed on that day from among the photo-images stored in a memory are read to create thumbnail images. The created thumbnail images are stored in a buffer memory. When set to the reproduction mode, the thumbnail images stored in the buffer memory are read and displayed on a screen in a list format. Furthermore, when the power is in the OFF position, the thumbnail images stored in the buffer memory can be deleted.

 
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> Selectively overlaying a user interface atop a video signal

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