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Scan Problem, Image on Silk Finish Paper

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  #1  
Old 11-01-2006, 05:15 PM
Jim Frazer's Avatar
Jim Frazer Jim Frazer is offline
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Scan Problem, Image on Silk Finish Paper

Hi,

I have 3 photos from my inlaws' wedding that I want to scan and include in a DVD slide show. In the process there will be some restoration. I'm seeing horizontal bands in the scanned images that may be due to the silk finish on the paper used to make the prints. They are also 60 years old!

The attachment shows the problem. I tried various resolutions when scanning and some of the other features, but the banding is always there. Note that the attached image was rotated so the banding may appear vertical.

I'm looking for suggestions on how to reduce the problem by using scan parameters or in PhotoShop or Paint Shop Pro.

Thanks,
Jim
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File Type: jpg Wedding Day.jpg (84.7 KB, 99 views)
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Old 11-01-2006, 05:39 PM
BillFrey BillFrey is offline
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Re: Scan Problem, Image on Silk Finish Paper

Hi, Jim Frazer,

Do you have the scanner software's automatic enhancements turned off?

The scan looks sharpened and if the scanner is picking up the fabric, it's 'enhancing' it, making it more prominent. Turning off all enhancements won't get rid of the problem entirely, but it will make the scan more fixable.

Another thought is that it might be 'scan lines' but it's hard to tell with the small sample.

Bill
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Old 11-01-2006, 05:55 PM
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Jim Frazer Jim Frazer is offline
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Re: Scan Problem, Image on Silk Finish Paper

Hi Bill,

All enhancements are turned off. I tried the "Descreen" feature but it made things worse. I tried both gray scale and true color. Grey scale is just slightly better.

Jim
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Old 11-01-2006, 06:27 PM
BillFrey BillFrey is offline
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Re: Scan Problem, Image on Silk Finish Paper

Hi, Jim Frazer

If the lines are coming from the paper texture, then you might try scanning twice, rotating the picture 180 degrees for the 2nd scan. Bring them into your photo editing software on layers, align them perfectly and set the uppermost layer to darken.

Because the scanner light is reflecting off the texture, it will reflect each scan from the 'other' side of the texture. Hopefully this will tone down those lines.

Good luck
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Old 11-01-2006, 06:32 PM
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mistermonday mistermonday is offline
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Re: Scan Problem, Image on Silk Finish Paper

Jim, a quick fix would be to run a noise filter on the image such as I have done with Noiseware. I applied it somewhat agressively. The shadows still need some evening out.
Regards, Murray
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File Type: jpg Jim Frazer Wedding Day rev MM.jpg (89.3 KB, 60 views)
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Old 11-01-2006, 07:11 PM
duwayne duwayne is offline
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Re: Scan Problem, Image on Silk Finish Paper

If you can scan the photo again in color mode, then take a look a each individual channel. You may find the bulk of the texture is confined to one channel. Kill this channel and merge the other two together.
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Old 11-01-2006, 09:23 PM
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Daviskw Daviskw is offline
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Re: Scan Problem, Image on Silk Finish Paper

Hi Jim

I used Image Analyzer to get rid of some of the lines.
Then Neat Image for some noise.
Lastly a few layers set to darken or softlight to get rid of more noise in the shadows.

Butch
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File Type: jpg Wedding-Day.jpg (99.5 KB, 45 views)
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Old 11-02-2006, 09:02 AM
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Jim Frazer Jim Frazer is offline
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Re: Scan Problem, Image on Silk Finish Paper

Hi,

Thanks for the responses everyone. I'll try the suggestions and let you know how it works out.

Jim
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Old 11-02-2006, 03:04 PM
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Craig Walters Craig Walters is offline
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Re: Scan Problem, Image on Silk Finish Paper

butch, did you use the fft of image analyzer to get rid of the pattern?
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Old 11-02-2006, 04:02 PM
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Re: Scan Problem, Image on Silk Finish Paper

Yes Craig I did.... it did a pretty good job getting rid of the long lines anyway

Butch
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