| 摘要 |
In setting a plurality of types of image quality in a single screen, an arrangement is made to facilitate the setting of a range in which each image quality is set.Upon generating a video signal to displayed on a predetermined display unit, the process is performed for inserting predetermined marker signals in the video signal at positions corresponding to at least two corners on the diagonal in a predetermined range of an image to be displayed. At the same time, the positions where the marker signals are inserted are moved in accordance with a predetermined operation input thereby to move the range set in the image to be displayed.
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