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Scanner : Any Tips On Scanning Gold?

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Bedrock Of The Community
Australia
38679 Posts
Posted 05/03/2011   09:58 am  Show Profile Bookmark this topic Add rod222 to your friends list Get a Link to this Message
Gold and silver seem to defract the light
as seen on this Hoxha minisheet.

Whilst the gold text is completely blurred
on the minisheet, on the real item
the printing is clear and precise.
(BTW : I'll have to add this to the thread "odd perforations")

Any tips on getting around this irritation?

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Edited by rod222 - 05/03/2011 10:02 am

Pillar Of The Community
United States
3568 Posts
Posted 05/03/2011   10:05 am  Show Profile Bookmark this reply Add jhlovell to your friends list  Get a Link to this Reply
Rod, maybe instead of scanning a close picture without flash. The bright light seems to be the problem. I just don't know if a picture can be sharp enough. - Jeff
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Pillar Of The Community
United States
2547 Posts
Posted 05/03/2011   10:12 am  Show Profile Bookmark this reply Add Russ to your friends list  Get a Link to this Reply
I seem to recall a recommenation of placing the stamp on a thin piece of clear plastic like from a sandwitch bag. I have never tried it but it is probably worth a shot.
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Valued Member
220 Posts
Posted 05/03/2011   10:44 am  Show Profile Bookmark this reply Add lockumupthrowawaykey to your friends list  Get a Link to this Reply
Use a Sony FD Mavica and put a piece of black electrical tape over the flash and a good soft white light source.
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Pillar Of The Community
Canada
2277 Posts
Posted 05/03/2011   12:31 pm  Show Profile Bookmark this reply Add nitrolures to your friends list  Get a Link to this Reply
Had the same problems with stamps and other items as well. Bright light I think as JH said is what kills it. A differnt indirect light source no flash and a tripod for stabilization is key but I certainly havn't mastered it .
Thought maybe you were out panning for them big aussie nuggets by the title.
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Bedrock Of The Community
Australia
38679 Posts
Posted 05/03/2011   4:43 pm  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply
OK, thanks gentlemen,
I only have a scanner and hence a fixed light source
so I'll try various plastic bags, and report back the results.


Result:
Used a brand new archival plastic pocket
I use for stamp storage ( similar to a very
clear, thin sandwich bag)

with the minisheet inside, (ie : 1 layer)
the resltant scan was not improved much.

Placing the bag on the scanner platen,
then the minisheet on top (hence 2 layers)
the result whilst not perfect was 100% better
than straight on platen pass.
The script could be easily read.

Thanks for the suggestion Russ.
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Edited by rod222 - 05/03/2011 6:08 pm
Pillar Of The Community
Australia
4031 Posts
Posted 05/04/2011   12:25 am  Show Profile Bookmark this reply Add KGV Collector to your friends list  Get a Link to this Reply
Hello! Rod.
I read the title to this thread and got a
picture that you were digging the foundation
for your shed and found Gold.
Sadly I was wrong. lol at myself. KG5

While talking about gold.
You were the 1st person to call me KG5.
When trying to use KGV as a user name elsewhere
it was taken but KG5 was not.
Thanks! KG5 is as good as gold.
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Bedrock Of The Community
Australia
38679 Posts
Posted 05/04/2011   01:16 am  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply

No need to be sad John, :)
I hope I am wise enough to know
that a lot of money is a curse.

Glad to see you found KG5 :)
I think the King would be pleased to
have you continue on with his legacy.
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Pillar Of The Community
United States
2547 Posts
Posted 05/04/2011   10:23 am  Show Profile Bookmark this reply Add Russ to your friends list  Get a Link to this Reply

Quote:
a lot of money is a curse.

Well I guess that I am greatly blessed
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Pillar Of The Community
United States
3568 Posts
Posted 05/05/2011   09:34 am  Show Profile Bookmark this reply Add jhlovell to your friends list  Get a Link to this Reply
I would like a little bit of a curse, please. And while we are at it Rod, could you post you new scan so we can see the writing also? Pleeeezzzz?
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Bedrock Of The Community
Australia
38679 Posts
Posted 05/05/2011   8:02 pm  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply
Cannot do Jeff,
In a peculiar occurence, when I reduce the scan
to fit the 90Kb limitation,
the jpg image goes out of focus again with the gold script.

You shall just have to take my word for it :)
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Valued Member
United States
27 Posts
Posted 05/06/2011   01:34 am  Show Profile Bookmark this reply Add SiBurning to your friends list  Get a Link to this Reply
Does your scanner have any way to scan a raw image? Perhaps to a bitmap? JPEG is compressed, and that includes colors. A raw image, such as a bitmap with 24bit or better color would store something nearer the right color, and not mess up as much when scaled.
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Bedrock Of The Community
Australia
38679 Posts
Posted 05/06/2011   02:34 am  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply
That's it SiBurning,
as a bitmap the gold was clear and crisp.

Something I shall have to live with
as a *.jpg image 240Kb as a Bitmap 4.8 Mb
I can live with the blurry gold.

Thanks for the solution! Sb

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Pillar Of The Community
United States
3568 Posts
Posted 05/06/2011   11:43 am  Show Profile Bookmark this reply Add jhlovell to your friends list  Get a Link to this Reply
okey dokey, now imagining what it would look like, :) jeff
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Valued Member
Panama
155 Posts
Posted 05/06/2011   1:20 pm  Show Profile Bookmark this reply Add Bob de Diego to your friends list  Get a Link to this Reply
What I can't achieve is the white on stamps, if you have one of my stamps in front of you the white will be white but when I scan the white turns light brown or as in this case light orange, here is an example



Darn!

Bob
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Valued Member
United States
27 Posts
Posted 05/07/2011   1:39 pm  Show Profile Bookmark this reply Add SiBurning to your friends list  Get a Link to this Reply
There might be ways to keep the color when you compress to JPEG. It might mean using different software or changing the settings, and figuring out just what settings to use. It might pay to look at a really good program such as photoshop or gimp. You can toss the larger image once you compress it to JPEG, but you can't undo the poor conversion you get from the scanner's JPEG engine.
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