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Adding images - 3

JPEG: Processing a scanned photograph

The table below shows the effect of different quality percentages on a small part of the image. As you can see, a compression of 12% is drastic, and a compression of 100% quality gives a large file size.

100% 71 Kb50% 11 Kb12% 4 Kb
colour14.gif (5941 bytes)colour16.gif (5243 bytes)colour15.gif (5164 bytes)

I chose the 50% quality level as a reasonable compromise.

Click on thumbnail for larger version Click on thumbnail for larger version

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