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We begin by modifying the photo to create an image which is amenable to analysis: calculations of box dimension require a completely black and white image - no greyscale is allowed.
The device contains 8MB of RAM, a greyscale screen and a 16-channel polyphonic sound system.
a greyscale scanner
It produces a greyscale image and can refresh in about a second - far too slow to display moving images.
Unfortunately, we didn't have a colorimeter handy, so couldn't verify the actual setting across the grayscale range.
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