[sane-devel] Epson 4490

[Karl Heinz Kremer]

First of all, vuescan has nothing to do with Sane, so I'm not  
commenting on your remarks about vuescan.

I am not planning infrared support for the Sane backend. This is  
something that should be handled outside of the backend, so that it's  
useful for all scanners that support an infrared channel. Digital ICE  
is technology from Kodak (http://www.asf.com), so you will not see  
that in Sane. I have not looked into infrared technology at all, but  
I assume that there are a number of patents that need to be worked  
around, so it's not a simple project to add this to an OSS project.

I don't understand your comment about RAW format. This is something  
that you would find in a digital camera, and not a scanner: You are  
getting raw image data from Sane. The backend is not interpreting/ 
manipulating/changing anything.

Karl Heinz


On May 30, 2006, at 9:32 AM, roger at eskimo.com wrote:

> Hey all.  I bought an Epson 4490 but am having some problems.  Some
> being Infrared, 16 bit color and 4800dpi support with Sane.
>
> The other, I'm having some h/w issues and Vuescan.  Vuescan uses a  
> motor
> speed with Pass #2 causing clicks during scan element initializing and
> vibration with the particular speed used for Pass #2 -- probably not a
> good thing when scanning at 4800 dpi and making 1+ passes!
>
> The windows software, although uses quieter motor speeds, quality is
> lacking and the Epson Windows software seems to really kill the  
> color on
> the scanned images (not using ICC profiles).
>
> Another minus, both Windows and Sane seems to lack RAW image support
> except for Vuescan?
>
> Anybody have any suggestions for scanning 35mm negatives?   I really
> need something that supports Infrared or Digital ICE from what I see
> from allot of my scans.
>
> (Epkowa seems broke in my latest sane compiles, but am curious if  
> epkowa
> has plans for infrared, etc., Who and where to help out with Epkowa  
> Sane
> Backend?)
>
>
> -- 
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