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Re: Well-log microfiche to digital, -> CDROM

Newsgroups sci.image.processing
Date 2015-11-20 14:18 -0800
References <4a01k4$5bn@strike.geo>#1/1>
Message-ID <38072cea-0d7e-400b-a61a-45673220849e@googlegroups.com> (permalink)
Subject Re: Well-log microfiche to digital, -> CDROM
From scgusa@gmail.com

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Michael,

Did you ever find a solution?  I also have 1000's of these well logs, but unlike you, cost does matter.  However I would like to learn your solution what ever it was, I have others I think I can share the cost with.

Sincerely,
Chris










Monday, December 4, 1995 at 2:00:00 AM UTC-6, Michael Dolan wrote:
> Images and Multi-media types,
> 
> (Please direct responses to mtdolan@mtu.edu, 
> and if a solution(s) are found, I will post them!)
> 
> Does anyone know of a technique to transfer standard microfiche to CDROM??
> 
> Here is the low down.
> First, cost is not an issue... 
> 
> I have a series of well-log data on either standard micro-fiche
> sheets or in 16mm rolls (the rolls were cut to make the
> micro-fiche).  The Principal investigator would like to take the
> 1000's of well logs and transfer them to CDROM for archival and
> database manipulation.  So far we are drawing blanks or dead ends
> on methods of tranfer.
> 
> Does any one have any experience, or know if this is even possible?
> Has is been done?  Have you seen micro-fiche data on a CDROM?
> 
> We have ruled out the following:
> o scanning the fiche with a flatbed transparency scanner
> 	(2400DPI). The images come out but are fuzzy and the 
> 	text is recognizable as text, but unreadable.  No good.
> 
> o printing them from a microfiche viewer (standard library viewer).  
> 	The paper prints would just be scanned in and
> 	concatenated back together. Two big draw backs here:
> 	distortion on the edges of the print and the copius
> 	amounts of paper needed just to do one well-log.
> 	Unfeasible.
> 
> o projection of the fishe to a white wall or into a CCD backed camera.
> 	The digital video signal would be imported into the
> 	computer and frames would be grabbed and later
> 	concatenated back together.  No good for several
> 	reasons.  Can't find a projector, the distortion at the
> 	edges would require such a small center to be frame
> 	grabbed that it would take forever.
> 
> The optimal solution would be to grab the original well-log data
> in digital form, but hind sight is 20-20, these logs are *old*,
> and only the fiche versions are known to exist in full.
> 
> Thanks in advance,
> mtdolan@mtu.edu
> Michael Dolan                
> Dept of Geol Eng & Sciences 
> Michigan Technological University

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Re: Well-log microfiche to digital, -> CDROM scgusa@gmail.com - 2015-11-20 14:18 -0800

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