| 摘要 |
The present invention discloses a multi-vision screen display device which has a plurality of processing units each assigned to a subscreen of a display screen. The processing unit processes to display an input image on a display area which is the subscreen assigned to itself. Such processing unit comprises an image memory, a display magnification selecting unit for selecting a read-out area of the input image to be displayed on the display area, a writing unit for writing an image signal within the read-out area into the image memory at a pixel density which corresponds to a display magnification, and a reading unit for reading the image signal from the image memory at a timing which realizes to display the read-out area of the input image on the display area.
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