> I don't know what the gt68xx uses for calibration data, > but the highly experimental genesys/calibration-cache code stores(in memory > only) for each combination of color mode and resolution: > * exposure time > * AFE offset and gain > * per pixel offset and gain(actually just the black/white levels, but the > offset and gain are fully defined by those)
gt68xx uses for calibration data internal white and black marks inside the scanner, below the glas (at the -y positon of scanner head) Regards LLG
