Correcting scans of misregistered colour illustrations

MS
Posted By
Mike Saxon
Sep 23, 2003
Views
648
Replies
4
Status
Closed
I have to scan some colour illustrations from an old 1916 book about ANZAC history. The problem is that the original book illustrations are out of register, i.e. the magenta separation has printed about 1 mm below the yellow and cyan ones, giving a coloured "double-edge" effect.

Is there any way I can correct this at the scan and/or Photoshop stage, so that all the colours are registered correctly? The final output is destined for a T-shirt design.

Any help would be appreciated. Ta.

Mike

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JM
John Mensinger
Sep 23, 2003
Mike, there is, of course, no "automatic" way. By making careful selections, you could spearate all the misregistered colors to individual layers, which will allow you to tune their positions.
GS
Gustavo Sanchez
Sep 23, 2003
You might try converting the images into CMYK mode and then offsetting the channels a bit.

But as John said, I believe there’s no automatic thing.
MS
Mike Saxon
Sep 23, 2003
I used Gustavo’s suggestion to nudge the magenta channel slightly, and then John’s selection idea to eye-dropper select any remaining fringe colours in Hue & Saturation, lower the saturation and darken.

Looks a whole lot better!

Thanks to you both.

Mike
GS
Gustavo Sanchez
Sep 23, 2003
You are welcome 🙂

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