I agree with capturing at as high a resolution/color quality, as possible, to support potential future uses. You can always batch convert high resolution files into low resolution files very quickly, if you want to handle smaller file sizes routinely today. That way you always have the high resolution file as your archive version for any future needs. An example: Our single file sizes range from half a MB to 300 MB routinely. We have about 50000 files online. We convert large color files to b&w and from 300dpi to 150, for daily use, but we keep the 300 dpi, color file, as the archival version. -Hope that helps a little.
Richard Cane
Massachusetts Water Resources Authority
Engineering and Construction Department
Design Information Systems Center
2 Griffin Way
Chelsea, Ma 02150
Tel. 617-305-5713
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-----Original Message-----
From: Records Management Program [mailto:[log in to unmask]] On Behalf Of Sutton, Paula
Sent: Monday, October 11, 2010 12:43 PM
To: [log in to unmask]
Subject: Large file size of scanned images
Good morning!
I am looking to my esteemed colleagues for some help and advice. J
We are in the pilot project process for our new ECM software using
HP-TRIM. We began scanning documents early last month and now have over
2500 documents in the system. We are scanning at 300 dpi, which I
believe is the industry standard for quality and OCR readability. We
OCR all documents and save scanned images as PDF/A. Unfortunately, we
are getting some very large file sizes. A personnel file with 230 pgs -
mixed color (10 pages), grayscale, (6 pages) and B/W has a file size of
346MG. We have several of these. A board resolution scanned with 2
pages B&W and one page color has 382KB. My question is: Have others
experienced this and what have you done? The large file size impacts
performance of the software with very slow retrieval speeds. I don't
feel my customers will be very happy with the slow retrieval times. I
vaguely remember something about using the "reduce file size" feature
for PDFs. Does anyone routinely do this for all docs? How much has it
decreased the size of the file, i.e. has it helped? How does it affect
quality and clarity of image? Does it work the same for PDF/A? Are the
file sizes for PDF/A differ than PDF? Thanks for your valuable input and
experiences!
Have a great day!
Paula Sutton, CRM, ERM p, ECM s
Records Manager
Platte River Power Authority
2000 East Horsetooth Road
Fort Collins, CO 80525
(970) 229-5274
(970) 219-4717 cell
(970) 229-5244 fax
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