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<TITLE>sane-devel: Re: Writing Fujitsu M3091 backend</TITLE>
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<META NAME="Author" CONTENT="Tom Martone (tom@martoneconsulting.com)">
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<META NAME="Subject" CONTENT="Re: Writing Fujitsu M3091 backend">
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<H1>Re: Writing Fujitsu M3091 backend</H1>
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<STRONG>From:</STRONG> Tom Martone (<A HREF="mailto:tom@martoneconsulting.com?Subject=Re:%20Writing%20Fujitsu%20M3091%20backend&In-Reply-To=<3A9EFFBF.B318096A@martoneconsulting.com>"><EM>tom@martoneconsulting.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Mar 01 2001 - 18:04:47 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0024.html">Tom Martone: "Re: Writing Fujitsu M3091 backend"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0022.html">Mick Barry: "Re: Writing Fujitsu M3091 backend"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0019.html">Davis, Tom: "RE: Writing Fujitsu M3091 backend"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0025.html">Davis, Tom: "RE: Writing Fujitsu M3091 backend"</A>
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<P>
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Greetings,
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<BR>
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<P><EM>> Davis, Tom wrote:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> I agree that for the vast majority of scanning applications, scanning until
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</EM><BR>
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<EM>> the ADF is empty is exactly what the user wants. However, there are common
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</EM><BR>
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<EM>> variations...
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> In the production scanning world, group of pages to be scanned are sometimes
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</EM><BR>
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<EM>> interspersed with separator pages on which information about what to do with
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</EM><BR>
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<EM>> the group of pages is encoded. The scanners can actually decode the separators
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</EM><BR>
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<EM>> and process the group accordingly.
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</EM><BR>
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<P>And sometimes the document itself has a barcode on it that holds a key piece of
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<BR>
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information which lets you know how to "index" the information into a database.
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<BR>
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<P>In each case, there needs to be a way to get this information from the decoder
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<BR>
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(in the backend) to the indexer (in the frontend). The way that I do that with
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<BR>
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scanadf and the Bell+Howell is with a TEXT frame type. Instead of getting image
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<BR>
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data, you get an xml encoded text that has all the info the the decoder wishes
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<BR>
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to send. Then the indexer parses it and does what it might, such as changing
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<BR>
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pagination and/or document numbering or assigning a keyword to the image(s) for
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<BR>
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storage in a database.
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<BR>
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<P>Tom
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Writing%20Fujitsu%20M3091%20backend&In-Reply-To=<3A9EFFBF.B318096A@martoneconsulting.com>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0024.html">Tom Martone: "Re: Writing Fujitsu M3091 backend"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0022.html">Mick Barry: "Re: Writing Fujitsu M3091 backend"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0019.html">Davis, Tom: "RE: Writing Fujitsu M3091 backend"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Thu Mar 01 2001 - 17:35:07 PST</EM>
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