Re: Nikon Coolscan SCSI commands

From: Mick Barry (mick@objects.com.au)
Date: Mon Jul 16 2001 - 17:53:20 PDT

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    Thanks Karl I'll have a play.
    WOuld anyone happen to have any references to the algorithms involved?

    Karl Heinz Kremer wrote:

    > Take a look at vuescan. This application is used a lot among
    > serious "film scanners" (aka professional photographers).
    > IMHO the only thing missing in vuescan is the curve tool.
    >
    > If you want to scan negatives, you need a library of rules to remove
    > the orange mask for all sorts of films. In vuescan you select the
    > brand (e.g. Kodak) and then the type of film (e.g. Gold) and then
    > the emulsion revision (e.g. 6), so it's a rather sophisticated
    > algorithm to remove the mask.
    >
    > This is just one feature that makes or breaks a scanning application
    > for slides/negatives.
    >
    > You can download an evaluation version of vuescan from
    > http://hamrick.com/vsm.html
    >
    > There is a Windows, a Mac and a Linux version of the software.
    >
    > Karl Heinz
    >
    > On Tue, Jul 17, 2001 at 09:32:03AM +1000, Mick Barry wrote:
    >
    >> So what sort of functionality would be required from a f/e for scanning
    >> negatives/slides? Any references on the web for what's required?
    >>
    >> mick
    >> http://www.objects.com.au
    >>
    >> Jonathan Buzzard wrote:
    >>
    >>
    >>> andras@users.sourceforge.net said:
    >>>
    >>>
    >>>> I don't think so. If proper strip film feeder functions (frame
    >>>> selection) and decent dust removal are added to the backend, then SANE
    >>>> will be just as good and useful as VueScan, as far as I can tell.
    >>>
    >>>
    >>> VueScan does a whole pile of other things in the "front" end that make it
    >>> a far superior solution for scanning negatives. This is a bit hard to
    >>> separate as VueScan comes as a single program though. Things such as multiple
    >>> pass scans, auto croping, film loading, slide and negative gamma curves
    >>> and a whole pile more would be in a none existent Sane front end for
    >>> film scanners.
    >>>
    >>> Basically Sane needs a slide/negative front end, and I don't see one
    >>> in a usable state being available anytime soon. Lets face it there is
    >>> not even one in development. While XSane is great for a desktop scanner
    >>> for sheets of paper, photographs, you basic everyday reflective scanning,
    >>> it is entirely unsuitable for transmission scanning of negatives and slides.
    >>>
    >>> That is no reflection on XSane as the two are entirely different
    >>> propositions, and XSane is targeted at the more widely used reflective
    >>> scanning market. What is needed is a XFilmSane front end.
    >>>
    >>>
    >>>
    >>>
    >>>> In any case, there is no point giving up on the basis that there is a
    >>>> better (commercial) alternative.
    >>>
    >>>
    >>> You are of course quite right, but if it were me I would buy a copy of
    >>> VueScan while waiting/developing a negative/slide front end for Sane.
    >>>
    >>> At the moment if you are serious about scanning negatives and slides then
    >>> the only realistic option is VueScan.
    >>>
    >>> JAB.
    >>
    >>
    >> --
    >> Source code, list archive, and docs: http://www.mostang.com/sane/
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