7. Advanced
GLD correction on Hierarchy level 1
When a correction is applied to Hierarchy level 1 (blue line), its main influence is visible on 25% level. The sum of the adjustment
and the linear transition results in a transition as it is presented by the dash-dotted red line in the graph below.
Adjustment
Linear response
Sum
Intensity
Adj. value
Signal
0
1.0
1.5
0.5
512
1024
0
25% 50% 75% 100%
Image 7-142
GLD correction on Level 1
GLD correction on Hierarchy level 3
Following graph illustrates the same correction done on Hierarchy level 3.
Adjustment
Linear response
Sum
Intensity
Adj. value
Signal
0
1.0
1.5
0.5
512
1024
0
25% 50% 75% 100%
Image 7-143
GLD correction on Level 3
From the graph, you can clearly see the correction that has been done at:
•1.6%withinfluence from 0% to 6.3%
• 14,1% with influence from 3.6% to 25%
• 39.1% with influence from 25% to 56.3%
• 76.6% with influence from 56.3% to 100%
GLD correction on Hierarchy levels 1 and 3
Performing corrections on multiple hierarchies result in the sum of the different corrections. From the hierarchy 1 and hierarchy 3
corrections of the example above, the following final GLD correction is obtained.
R59770198 BARCO SIM 7D 13/02/2013
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