[sane-devel] EPSON 3490, calibration and raw data

2006-02-16 Thread Krzysztof Halasa
Hi, Oliver Schwartz writes: > The Epson 3490 uses 14 bit internally. The gamma table is used to > spread or shrink the values into 8 / 16 bit. I see. So they just lie about 48-bit _in_? http://www.epson.co.uk/products/scanners/product_spec/Perfection3490Photo.htm Not nice, I wouldn't expect

[sane-devel] Debug scanner

2006-02-16 Thread sofian.teja
-- An HTML attachment was scrubbed... URL: http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20060216/ba6676f7/attachment.html From oliver.schwa...@gmx.de Thu Feb 16 20:49:52 2006 From: oliver.schwa...@gmx.de (Oliver Schwartz) Date: Thu Feb 16 20:50:27 2006 Subject

[sane-devel] ADF with scanner UMAX Astra 2400S problem

2006-02-16 Thread Alexandre Averyanov
Hi, All Does anybody know why "gray" mode images from ADF UMAX Astra 2400S are almost absolutely "white"? Is it a problem of calibration? I've tried to variate some parameters in "umax.conf" file but I failed in it. My system is: Mandrake 8.2, kernel 2.4.22, libsane 1.0.17 Thanks for any help in