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Falcon2 4M, 8M, and 12M Camera User's Manual
03-032-20107-03
Teledyne DALSA
5.
Setu p the cam era to cap tu re a u niform d ark im age. Black p ap er w ith no illu m ination and the
camera lens‘ iris closed to minimu m can provid e such a d ark im age. Or cover the lens w ith a
black lens cap .
6.
Click on
Acquire Black Image
. The flat field calibration tool w ill grab vid eo fram es, analyze the
p ixel gray level sp read , and p resent the statistics. The d esired black reference im age shou ld have
p ixel valu es less then 20. If the resu lts are accep table, accep t the im age as the black reference.
7.
Setu p the cam era to acqu ire a u niform w hite im age (bu t not satu rated w hite). E ven illu m ination
on w hite p ap er can be u sed , w ith a gray level of m inim u m of 128 (8-bit m od e). It is p referable to
p rep are for the w hite level calibration step before starting the calibration p roced u re (see the
p reviou s section for inform ation).
8.
Click on
Acquire White Image
. The flat field d em o w ill grab vid eo fram es, analyze the p ixel gray
level sp read , and p resent the statistics. The cap tu red gray level for all p ixels shou ld be greater
than 128 bu t not satu rated . If the histogram show s a good grab accep t the im age as the w hite
reference.
