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(d) If available, load an image of a uniform |» ez eeesesvetetmmeere *
reflective board (under the Same | <9 sco oe o razo vb iimneres win corto tee
experimental conditions of the image) for °
flat fielding into the bottom box on the , JÚ
“object” thumbnail (Figure 3-62 and Keszeg TETEL [[A[8//ŰÁDV// Yy
Figure 3-63) and check the option to s. EN
"Flatfield UV-induced visible o Pata Na (a + * wi calératon rg
luminescence of object image”. If this is 0
not available leave this option
unchecked (as in Figure 3-63).
| use_flatfield | () Flatfield UV-induced visible luminescence of object image
Pair_flatfield (targets.image) (label ++ " of object")
flatfield
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v
a
v
Pair_load "UV-induced visible luminescence"
ő Figure 3-63
Converting the images to linear light (XY Z) using the embedded ICC profile and applying a
flat-field correction to the images.
4) Click on the “linear” tab to the right. Column J imports all the images in the "input" tab to
linear light (Figure 3-64) and applies a flat-field correction to the images.
5) Scroll down. The resultant flat-fielded, linear light (XYZ) images can be observed in J 16
(Figure 3-64),
Ú *F:\Technical Imaging\John Cupitt\zip files\bm2\bm-workspaces2.ws - linear
Eile Edit View Toolkits Help
input | linear markup / viscalb , uvicalb align specden , falsecolour uvistray , uvikm | vilstray vikm results +
| object label | visible-induced IR luminescence of object, just band 0
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object label | UV reflectance of object
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object
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v| 316 label | UV-induced visible luminescence
targets label | UV-induced visible luminescence with calibration targets
targets
object label | UV-induced visible luminescence of object
object
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| 317 label | visible-induced IR luminescence
targets label | visible-induced IR luminescence with calibration targets
targets
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object label | visible-induced IR luminescence of object
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Figure 3-64
6) Note that if an image of a uniform reflective board under the same experimental
conditions of the images was not uploaded (or the options in the “input” tab indicated
above were not checked), the images in the “targets” and “object” thumbnails are in
linear light but no flat field correction has been applied to them.
Version No. 1.0 155 Date : 14/10/2013