[rescue] Scanning Best Practices - was Re: Inside Solaris newsletter
toby at telegraphics.com.au
Thu Oct 2 18:57:11 CDT 2014
On 02/10/14 1:30 PM, Jason T wrote:
> On Thu, Oct 2, 2014 at 9:26 AM, Andrew Hoerter <amh at pobox.com> wrote:
>> Thanks for doing this, Jason. Your mail was a reminder that I've got
>> some of these newsletters myself. I have these issues from each year:
>> 1996: 3-5, 7-12
>> 1997: 1-3, 7-12
>> 1998: 1-6
>> 1999: 4
> I'm willing to take on additional scans, if you want to send them
> over. I do chop the edges, though, so if you want them back, they'll
> be a little more narrow :)
> We've got 3-5/98 and 4/99 up, so that leaves the 96 and 97 issues plus
> 1-2/98 from your stack. Email me direct if you'd like to have me do
> them and I'll get you the address.
>> Speaking of scanning, are there any resources out there for figuring
>> out the ideal scanners to buy or pitfalls to avoid when sucking in old
1) I've heard good reports and seen excellent output from Epson
GT-15000. I wouldn't mind one of these myself.
2) It's obvious to most people, but: Never replace bitmaps with OCR. OCR
is only good for a hidden searchable layer. It is never a replacement
for the original scans.
3) Be very careful with DJVU compression - it is lossy! - the results
can be surprisingly dangerous. I can't find the link now, but there are
published examples of schematics involving substituted numbers
(literally one digit for another). It's clearly a risk derived from the
way djvu works. Use lossless TIFF LZW or similar.
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