Here I have once again blown up one of my photographs taken with
my Olympus to 10" x 8" at 360.
This is a shot of Whitby and the Abbey above.
I have selected the Abbey itself from each blow-up:
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Zooming in to each image:-
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As you can see the lines are sharper, but the shape of the windows has changed slightly. Note how much smoother the arch to the right is on the fractally compressed image.
Similarly with a close-up of the boats from the photograph:-
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Note that the interpolated version is starting to show some evidence of the original pixellation.