I scanned slides and I have now 48 bit color and IR (infrared) 16 bit gray files. Now I am processing them to remove dust and scratches and I am looking for a way to batch-detect the correct threshold ...
I shoot both 6x6 and 6x7 formats. There are no problems with 6x6 - I cut it as 3,3,3,3 frame pieces to fill a 4-row sleeve and have no problem scanning them in my Nikon 9000. However, if I cut 6x7 ...