Hello I have been trying to use scanimage to batch scan some colour slides on an Epson 2450 Photo. My purpose is to have a digital reference file for every slide without having to interactively edit each image. Scans using the standard settings usually appear too dark. I decided to use the --red-gamma-table option as the --brightness option did not produce the desired results. The command I used is shown below
When doing this I get the error message attempted to set inactive option red-gamma-table As an alternative I tried to use the --gamma-table option (not listed for epson) I received this error unrecognized option '--gamma-table' The scanimage -h man page specifically mentions the red-gamma-table option (and green, blue). I have also used the --gamma-correction 'User defined' option at the same time which is accepted but I still get the same error message. Otherwise everything works perfectly. Anyone have a working version of this or know what is wrong? Is gamma correction unsupported? Any help much appreciated. Iain. ============================================= scanimage -d epson:/dev/usb/scanner0 --format=pnm --focus-position 'Focus 2.5mm above glass' --sharpness 2 --resolution 600 --red-gamma-table '/home/iain/.sane/gammatable.epson ' --source 'Transparency Unit' --film-type 'Positive Film' -x 28mm -y 40mm -l 38.5mm -t 7.8mm --mode Color > $fn.1.pnm debian scanimage 1.0.12 -- Iain Mac Donald Glenfintaig Lodge, Spean Bridge, Lochaber, PH34 4DX, Scotland Phone +44 (1397) 712 407 email [email protected]
